67results about How to "Act as a reflection" patented technology

The invention provides an LED bulb which comprises a lamp cap, a lamp holder, a light source module provided with an LED and a circuit board and a radiating column that is used for realizing omnibearing lighting angel by increasing the height of a light source and has the function of radiating; wherein, the lamp holder is a radiator, one end of which is connected with the lamp cap, and the other end is provided with the radiating column; the free end of the radiating column is fixed with the light source module; thus, the radiating column can heighten the position of the light source to shift the light source out of the lamp holder and increase the irradiation angle of the light source, thus realizing approximate 360-degree lighting effect of the LED bulb and improving the defect that the light rays of the LED are blocked out by the lamp holder since the LED is installed at the rear part of a base plate of the lamp holder, close to the horizontal direction; the radiating column also has the function of radiating, so that the heat generated by the LED in the working period can be quickly transferred to the radiating aluminum lamp holder contacted with the air through the radiating column, thus enlarging the radiating area, fully guaranteeing the radiating requirements and the service life of the LED, reducing the weight of the high-power LED bulb and not increasing the size of the bulb.

The invention relates to an etching apex non-doped intrinsic layer asymmetrical metal film vertical cavity surface emitting laser and a preparation method thereof. The invention comprises a Bragg reflector, a high resistive layer, an electrode, a substrate and a quantum well active region. The upper surface is etched with a round metal reflection film, a metal film lead, a contact layer of the metal film and an upper electrode and the upper electrode; the lower surface of the substrate is provided with the round metal reflection film, a lower surface metal film lead and a lower surface electrode. By introducing the non-doped intrinsic layer to etch the current aperture and combining the upper surface with the substrate surface to etch a metal film asymmetrical structure in order to implement the restriction to current and optical field, the invention has the efficacies of the electrode and the reflector of the metal film, simplifies a vertical cavity emitting laser array integration process, reduces the logarithm of distributed Bragg reflector, restricts the diffusion area of the current, improves the photoelectric coupling efficiency of injected current, avoids proton bombardment or respective oxidation process and is beneficial for integration as the intrinsic high-resistive layer and a chip implement the grown in one operation.

The invention provides a small beam-switchable antenna capable of conducting omni-directional scanning in an H face perpendicular to an antenna plane, belongs to the technical field of electronics, and particularly relates to a beam-switchable antenna technology with PIN diode switches. The antenna comprises a rectangular middle layer insulating substrate with a feed input port, patch vibrators arranged on the surface of the middle layer insulating substrate, a metal grounding plate arranged on the lower surface of the middle layer insulating substrate, four rectangular surface layer insulating substrates tightly attached to the upper surface and the lower surface of the middle layer insulating substrate, parasitic patches, the PIN diode switches and biasing circuits of control switches, wherein the parasitic patches, the PIN diode switches and the biasing circuits are arranged on the surfaces of the surface layer insulating substrates. Eight beam radiation directions are switches by controlling switching on and switching off of the control switches, and therefore omni-directional scanning in the vertical plane is achieved, the scanning dimension of the antenna is expanded to the plane perpendicular to the antenna from the plane where the antenna is located, the rough scanning method and the fine scanning method are achieved under two different working frequency bands, the application range of the antenna is widened, and different environment requirements can be met.

The invention belongs to the technical field of optical coating, and particularly relates to a solar control-low radiation type heat-insulation membrane system, which aims to provide the solar control-low radiation type heat-insulation membrane system capable of functioning in reflecting near infrared rays, middle infrared rays and far infrared rays. The membrane system comprises a PET layer (1), TiO2 layers (2), an Ag layer (3) and a Ti layer (4), wherein the PET layer (1) is a substrate; the first TiO2 layer (2) is covered on the PET layer; the Ag layer (3) is covered on the TiO2 layer (2); the Ti layer (4) is covered on the Ag layer (3); and the second TiO2 layer (2) is covered on the Ti layer (4). The solar control-low radiation type heat-insulation membrane type has low radiance, proper shading coefficient, the functions of sunshade and heat preservation and wide application, can function in reflecting the near, middle and far infrared rays and reduce the inflow and outflow of indoor heat, and is applied in summer, winter and hot and cold regions.

The invention relates to a high-performance agricultural greenhouse shed film. The high-performance agricultural greenhouse shed film comprises an outer layer, an intermediate layer and an inner layer, wherein the surface of the film is coated by surfactant coating liquid with a fog dispersal dripping function; the outer layer comprises 90-110 parts of LDPE (low-density polyethylene); the intermediate layer comprises 20-30 parts of LDPE, 65-75 parts of LLDPE (linear low density polyethylene) and an intermediate layer master batch of which the weight of diffusion powder accounts for 1-1.5 weight percent of the total mass of the intermediate layer; the inner layer comprises 20-25 parts of LDPE, 20-25 parts of LLDPE, 45-50 parts of MLLDPE (metallocene polyethylene) and a heat-preserving master batch which accounts for 10-15 weight percent of the total mass of the inner layer; the intermediate layer master batch comprises 87.8-93.75 parts of carrier resin, 5-10 parts of diffusion powder, 0.5-1 part of a light stabilizer, 0.7-1 part of an ultraviolet absorber, 0.5-1 part of an anti-oxidant and 0.05-0.1 part of a dispersing agent; the heat-preserving master batch comprises hydrotalcite and the LDPE, and the weight ratio of the hydrotalcite to the LDPE is 3:7; the LDPE of the outer layer is FB2230 low-density polyethylene which is produced by Borealis; the coating liquid is formed by diluting raw liquid and deionized water at a proportion of 1:(15-20). The aging life of the shed film reaches 1-3 years, the duration of fog dispersal dripping is 1-3 years, and crop growth is facilitated.

The invention belongs to the technical field of food processing, and particularly relates to jelly with high transparency, high elasticity and high toughness and a preparation method of the jelly. According to the jelly disclosed by the invention, xanthan gum and locust bean gum are used for substituting konjaku flour in the prior art, besides, a compounding thickening agent consists of the xanthan gum, the locust bean gum and other components in definite proportion, so that the components in the compounding thickening agent have synergistic reactions, under the condition that the konjaku flour is not added, high elasticity and high toughness of the jelly are maintained, and besides, the transparency of the jelly is obviously promoted. The transmittance of the jelly is as high as 95% which is close to that of water, so that the jelly is glittering and translucent like crystals, the grade of the jelly is promoted, and the limit that the jelly has the elasticity and the toughness only by when the konjaku flour in the prior art is added can be broken through. According to the jelly disclosed by the invention, substances are taken and used according to a specific proportion, so that the compounding thickening agent is formed into a stable mesh structure, the hard and brittle properties of the jelly produced from several kinds of colloid disclosed by the invention in the prior art are reduced, and the transparency is improved. The locust bean gum is applied, so that an obvious water retention effect can be realized, and the water releasing amount of the surface of the colloid is greatly reduced.

The invention relates to a waterproof LED lamp tube. A heat dissipating base comprises a mounting platform, protruding bars are arranged on the two sides of the mounting platform, and a groove used for mounting an LED substrate is formed among the two protruding bars and the platform. The top of each protruding bar extends inward to be provided with a first limiting plate, the top of each protruding bar extends outward to be provided with a second limiting plate, the top surfaces of the first limiting plates are provided with inclined surfaces inclining inward, and the top surfaces of the second limiting plates are provided with inclined surfaces inclining outward. LED chips are arranged linearly on the LED substrate. Guide grooves comprise inward first slide grooves and downward second slide grooves, the openings of the first slide grooves face outward, and the openings of the second slide grooves face upward. Guide bars comprise inward first slide bars and downward second slide bars, the first slide bars are matched with the first slide grooves, and the second slide bars are matched with the second slide grooves. The surfaces of the second limiting plates are smooth and can have the reflection effect, thus, light on the side face of a lampshade can be reflected to the bottom of the side face of the lampshade, and the lampshade can made to emit light more evenly.

The invention provides a broadband slot antenna, which comprises a U-shaped waveguide cavity, wherein at least one rectangular slot is formed in one side of an opening of the U-shaped waveguide cavity; two coupling feeds and two feed points are arranged in a way of corresponding to each slot. The broadband slot antenna has the beneficial effects that the antenna uses a U-shaped radiation cavity structure, so that a reflection effect is achieved; meanwhile, a main body part of the antenna is supported; the whole structure design is compact. In addition, the broadband slot antenna is different from a single feed point structure of a conventional slot antenna; the dual-point feed is used; the same-phase feed requirement is met; a directional diagram index is realized; and the impedance broadband requirement can be met. Experiment simulation results show that the two feed points cause two resonant frequencies. In addition, the micro-strip coupling feed is used; the impedance broadband requirement can be met. A coupling feed conduction band is distributed inside the cavity, so that the requirement of a simple structure is met.

The invention provides a high electromagnetic shielding effectiveness magnesium alloy and a preparation method thereof. Components of the alloy comprise, by weight percentage, 1-5 wt.% of Zn, 1-5 wt.%of Sn, 0.1-0.5 wt.% of Ca, 0.1-0.5 wt.% of Ce and the balance Mg and inevitable impurities. By adding alloy elements (Mg, Zn, Sn, Ca and Ce) in the magnesium alloy to be matched to hot rolling and hot treatment, the high electromagnetic shielding effectiveness magnesium alloy is achieved. The method includes the specific process steps of smelting, homogenizing, hot rolling and solid solution aging. Adding of a small amount of calcium and cerium alloy elements, forming and precipitating of a second phase are promoted, and the conductivity and the shielding performance of the alloy are improved; meanwhile, due to precipitating of the high-density second phase, electromagnetic waves can also be effectively reflected; besides, in combination of refined crystal strengthening, precipitating strengthening and the like, the alloy has high strength while good electromagnetic shielding performance is achieved. Process equipment related to the high electromagnetic shielding effectiveness magnesium alloy and the preparation method thereof is universal equipment, cost is low, operation is easy, and industrial achievement is easy.

An organic electroluminescent device comprises a substrate, an anode, a luminous layer and a cathode which are sequentially arranged in a laminating mode. The anode comprises a first metal layer, a dielectric layer and a second metal layer which are sequentially arranged on the substrate in a laminating mode, wherein the first metal layer is made of aluminum, silver, gold, aluminum-silver alloy, or magnesium- silver alloy and the thickness of the first metal layer is from 80 to 150 nm; the dielectric layer is made of transparent conductive oxide materials and the thickness of the dielectric layer is from 60 to 100 nm; and the second metal layer is made of aluminum, silver or gold and the thickness of the second metal layer is from 6 to 12 nm. The organic electroluminescent device has the advantage of being low in reflectivity. The invention also provides a production method of the organic electroluminescent device.

Provided is an electric connector, which is used for butt joint with a cable. The cable has a core. The electric connector is characterized in that the electric connector comprises an insulation bodyhaving a plurality of accommodating grooves, and each accommodating groove is provided with a first inclined surface and a second inclined surface, which are connected to each other, forming a intersecting line, and the first inclined surface and the second inclined surface are respectively disposed at two corresponding sides of the vertical plane; the electric connector comprises a plurality of signal terminals, which are respectively provided with a contact part; the plurality of contact parts of the multiple signal terminals are arranged in a row along the horizontal direction; the contactpart is provided with a butt joint face for connecting to the core in the manner of laser welding, and a first surface opposite to the butt joint face, and a second surface connected to the butt jointface and the first face. The invention is advantageous in that the first surface is in parallel with and contacts with the first inclined surface, and the second surface is in parallel with and contacts with the second inclined surface, and thereby the contact part is disposed in the accommodating groove in an inclined manner; the laser is reflected downwardly to the contact part of the core andthe butt joint surface by the butt joint surface, and thereby the laser energy can be well focused.

The invention discloses an LED (Light-Emitting Diode) filament type bulb lamp with a reflecting layer. The LED filament type bulb lamp comprises a glass bulb shell, an upper bracket, an LED lamp bar, a core column, an LED power supply, a lamp cap, a guide wire and the reflecting layer, wherein the reflecting layer is arranged at the bottom of the glass bulb shell; the reflecting layer is 1-200 microns in thickness, and plays a role in reflecting light. By adopting the LED filament type bulb lamp, the problems of non-uniform illumination and weak light intensity at a center point in the conventional all-angle light-emitting bulb are solved, the illumination uniformity is increased, the problems of apertures and light spots are solved, the light loss is small, energy is saved, and environmental protection is facilitated.

The invention provides a novel turbine. The novel turbine comprises a wheel shaft, a power output wheel, a housing and a wheel disc. The wheel shaft and the wheel disc are hollow structures fixed and communicated with each other and form a rotor body of the turbine. The outer surface of the wheel disc is uniformly provided with multiple hollow gears along a circumferential direction, the hollow gears extends along a tangential direction and gear openings are turbine nozzles. The housing is provided with an exhaust channel with an exhaust valve. The inner wall of the housing is uniformly provided with multiple raised lines extending along an axial direction. The top of each one of the raised lines and the tops of the wheel tooth form slidable seal contact so that a supercharging propulsion chamber is arranged between the two adjacent rotary gears in the housing. The novel turbine effectively solves the problem of turbine pressure loss-caused energy loss, prevents influence on blades in a high temperature and high pressure environment and prolongs a wheel disc service life.

The invention discloses a multifunctional study desk. The multifunctional study desk comprises: a desk board body, a base and a lifting stand column, wherein the lifting stand column is connected with the desk board body and the base and used for adjusting the height of the desk board body relative to the base; an enclosure frame, which is connected with the desk board body and extends towards the upper portion of the desk board body, wherein the enclosure frame is provided with a left enclosure plate and a right enclosure plate which are located on the left side and the right side of the desk board body and a rear enclosure plate located on the side, away from a user, of the desk board body, and a working space is defined by the upper surfaces of the left enclosure plate, the right enclosure plate, the rear enclosure plate and the desk board body; a sound box unit, which is arranged in the working space; and a sound baffle assembly, which comprises two baffles arranged on the left side and the right side of the desk board body respectively and can move relative to the enclosure frame so as to allow the two baffles to stretch out of or retract into the enclosure frame. According to the multifunctional study desk, the sound effect of a sound box is good, and article storage capacity is high.

The invention provides a light energy street lamp height regulating device, which comprises a main lamp tube, a fixed protection base structure, a lamp pole height auxiliary regulating frame structure, a transverse silica gel ring, an adjustable lamp pole frame structure, a fixed screw bolt, an adjustable lamp frame structure, an L-shaped installing frame, a solar photovoltaic panel, a rechargeable lithium battery, a photovoltaic controller and a warning patch, wherein the fixed protection base structure is arranged at the bottom of the main lamp tube; the lamp pole height auxiliary regulatingframe structure is arranged at the inner side of the fixed protection base structure and is sleeved and connected onto the lower part of the outer side of the main lamp tube. The upper and lower endsof the electric air cylinder are respectively arranged at the lower part of the fixed side plate and the left and right sides of the lower side fixing ring; the work intensity during the adjustable lamp pole regulation can be favorably reduced; a rubber pad with the thickness being 3 to 5cm is also bonded onto the outer side of the protection outer frame; the damage degree of the vehicle collidedonto the protection outer frame can also be favorably reduced in the use process.

The invention provides an LED bulb which comprises a lamp cap, a lamp holder, a light source module provided with an LED and a circuit board and a radiating column that is used for realizing omnibearing lighting angel by increasing the height of a light source and has the function of radiating; wherein, the lamp holder is a radiator, one end of which is connected with the lamp cap, and the other end is provided with the radiating column; the free end of the radiating column is fixed with the light source module; thus, the radiating column can heighten the position of the light source to shiftthe light source out of the lamp holder and increase the irradiation angle of the light source, thus realizing approximate 360-degree lighting effect of the LED bulb and improving the defect that thelight rays of the LED are blocked out by the lamp holder since the LED is installed at the rear part of a base plate of the lamp holder, close to the horizontal direction; the radiating column also has the function of radiating, so that the heat generated by the LED in the working period can be quickly transferred to the radiating aluminum lamp holder contacted with the air through the radiating column, thus enlarging the radiating area, fully guaranteeing the radiating requirements and the service life of the LED, reducing the weight of the high-power LED bulb and not increasing the size of the bulb.

The invention provides a mobile wave-proof wharf, and belongs to the technical field of ocean engineering. The mobile wave-proof wharf comprises a pontoon and reinforced concrete solid piles; a load-bearing steel plate is arranged on the pontoon, guide locating rings are fixedly mounted on the load-bearing steel plate, the guide locating rings are arranged vertically downwards, and the top of thereinforced concrete solid piles is fixedly connected with the load-bearing steel plate by flanges after the reinforced concrete solid piles pass through the rear top of the guide locating rings; and aplurality of vertically downward steel plates are fixedly connected to the bottom plate of the pontoon, the height of the steel plates varies from small to large in the wave direction, and a plurality of small holes are formed in the plate face of each steel plate. The mobile wave-proof wharf can be used for lengthening a wharf, and is high in typhoon resistance and wave resistance, good in berthing safety, simple in structure, easy to construct and easy to remove.

The invention provides an adjustable multifunctional road reflection indicating device. The adjustable multifunctional road reflection indicating device comprises an indicating device base, an adjustable light reflective mirror structure, a light reflective anti-collision bucket structure, an adjustable mounting frame structure, a light reflective indicating plate structure, a maintenance productplacing plate structure, a protective frame, a rain shield, a primary supporting column, a secondary supporting column, a groove, a bird dispeller, a vertical supporting rod, a transverse supporting rod and a moisture-proof pad; the adjustable light reflective mirror structure is connected to the upper position of the external surface of the secondary supporting column; and the light reflective anti-collision bucket structure sleeves the lower part position of the external surface of the primary supporting column. According to the adjustable multifunctional road reflection indicating device, awide angle lens is arranged to be beneficial for realizing a reflecting effect and be convenient for drivers in two directions to observe situations of side roads so that traffic accidents are avoided and a function of the indicating device is expanded; and a transverse rod, a slide groove and a longitudinal fixing rod are arranged to beneficial for adjusting different sizes and mounting positions of the indicating plates so as to meet mounting demands of the indicating plates with different models.

The invention discloses an LED bulb. The LED bulb comprises a lamp holder, a heat dissipation base, a connecting part, a cross light-emitting panel and a lamp shade, wherein LED lamps are mounted on the cross light-emitting panel; in addition, LED lamps are mounted on the connecting part for light distribution, so that the luminous brightness of the whole bulb is higher, and 320-degree lighting is realized; and the size of the heat dissipation base can be adjusted according to the quantity of the LED lamps so as to enable the radiating effect of the heat dissipation base to be matched with the watt level of the bulb. Compared with a lamp with the same power, such as an energy-saving lamp, a sodium lamp and a halogen lamp, the brightness of the LED bulb can be improved by 60-80 percent; and as the LED bulb does not contain mercury, lead and other poisonous substances, as well as infrared rays and ultraviolet rays, so that environmental pollution is prevented.

The invention discloses a waste gas catalytic oxidation reactor which comprises a reaction tank, a gas inlet and a gas outlet. The gas inlet is formed in the left side wall of the reaction tank, the gas outlet is formed in the right side wall of the reaction tank, a filter unit, a flow stabilizing unit and a catalytic oxidation unit are sequentially arranged in the reaction tank from left to right, the catalytic oxidation unit comprises a plurality of ultrasonic lamp poles and titanium dioxide catalysis plates, the ultrasonic lamp poles are arranged along the up-down directions, the titanium dioxide catalysis plates are arranged between the ultrasonic lamp poles at intervals and are arranged along the up-down directions, every two adjacent titanium dioxide catalysis plates are arranged atthe top and the bottom of the reaction tank, modifiers are doped in the titanium dioxide catalysis plates and comprise iron ions, rare metal and / or precious metal, and mirror surface treatment is carried out on the inner wall of the reaction tank. The waste gas catalytic oxidation reactor at least has the advantages that waste gas can be effectively catalytically oxidized, and the waste gas catalytic oxidation reactor is high in sterilization efficiency and is structurally optimized.

The invention provides an epitaxial structure of a red and yellow GaAs diode and a preparation method of the epitaxial structure. The epitaxial structure comprises a substrate, and a Bragg reflector, an N-type limiting layer, a multi-quantum well layer, a P-type limiting layer, a P-type covering layer and a current expansion layer which are sequentially grown upwards on the substrate, wherein the Bragg reflector is of a periodic structure, Si doping is carried out on the Bragg reflector, and the Si doping concentration in the Bragg reflector is gradually increased along with increasing of the growth period of the Bragg reflector structure, so that the Bragg reflector has the function of an N-type covering layer. According to the invention, the epitaxial structure and the epitaxial processing technology can be simplified, the production cost is lower, the Bragg reflector integrates the reflection effect of the Bragg reflector structure and the composite light-emitting electron providing effect of the N-Cladding structure, and the light-emitting brightness of the diode can be improved.

The invention belongs to the technical field of wastewater treatment, in particular to a photocatalytic oxidation device for printing and dyeing wastewater treatment. Directed at the problem that wastewater chromaticity affects the catalytic effect, the invention puts forward the following scheme that: the device comprises a bottom plate, an ozone generator and a bleaching box are arranged on theouter wall of the top of the bottom plate, an air distribution pipe is arranged on the inner wall of the bleaching box, aeration discs distributed at equal intervals are arranged on the outer wall ofthe air distribution pipe, the inner wall of one side of the air distribution pipe and the output end of the ozone generator are provided with the same first guide pipe, and the air distribution pipeis of a V-shaped structure. The ozone method generator, the aeration discs, a first stirring rod, the air distribution pipe, an inclined rod, an elastic rope and a stirring frame are arranged; firstly, a dye can acquire a good decolorization effect through an ozone oxidation method, the air distribution pipe and the first stirring rod are both of a V-shaped structure, ozone and wastewater can be comprehensively and uniformly mixed by the first stirring rod at the first time after ozone is sprayed out of the aeration discs, and the decolorization effect of ozone can be effectively improved.

The invention provides a preparation method of a dissolved oxygen sensing membrane head and the dissolved oxygen sensing membrane head, and aims to solve the problems of long response time and easy falling of a fluorescent layer in the sensing membrane head in the prior art. The preparation method comprises the following steps: dissolving an indicator in a tetrahydrofuran solution to obtain an indicator solution, and adding the indicator solution into an emulsion of polystyrene microspheres while stirring; adding a calcium chloride aqueous solution, stirring, carrying out ultrasonic treatment, pouring onto a quartz plate, volatilizing, drying and curing to obtain a fluorescent layer; adding acrylic resin, styrene, ethyl acetate, xylene and organic silicone into a test tube, stirring and dissolving, spraying on the fluorescent layer, and drying to obtain a reflecting layer; dichloromethane, butyl acetate, polyacrylic resin, polystyrene, carbon black, paraformaldehyde, sulfonamide formaldehyde resin, simethicone, titanium dioxide powder, polyvinyl chloride, ethyl cellulose and stearic acid are mixed, stirred and dissolved, then sprayed to the reflecting layer and dried, and the shading layer is obtained. The fluorescent layer is not easy to elute.

The invention relates to a solar light reflecting structure system which comprises a mounting support, two symmetrical inclined struts are arranged on the front side of the mounting support, a plurality of threaded columns are fixedly connected to the front side walls of the inclined struts, nuts are in threaded connection to the threaded columns, and two symmetrical connecting plates are further fixedly connected between the two inclined struts; through the transmission assembly, the dust cleaning assembly and the water spraying assembly, dust on the surfaces of the reflecting plate and the reflecting strips can be brushed away under the action of bristles and water flow, and the situation that the dust is accumulated on the reflecting plate and the reflecting strips and influences reflection of sunlight is avoided; according to the design, dust on the surfaces of the reflecting plate and the multiple reflecting strips can be automatically cleaned, so that the cleanliness of the surfaces of the reflecting plate and the multiple reflecting strips is guaranteed, the reflecting effect of the reflecting plate and the multiple reflecting strips on sunlight is guaranteed, and the utilization efficiency of the sunlight is improved.

The invention belongs to the technical field of fans, and particularly relates to a fan processing method. The fan processing method solves the technical problem that in the prior art, design is unreasonable. The fan processing method comprises the first step of fan framework processing, the second step of pin penetrating and the third step of fan paper fixing. The fan processing method has the advantage that the service life can be prolonged.

The invention relates to an optical surveying and mapping prism adjusting base which comprises a fixation plate and a guard board fixedly encircling the circumference of the fixation plate. The adjusting base is characterized in that the fixation plate is provided with three first fixation holes arranged like the Chinese character "pin"; the fixation plate in a triangle formed by connecting the three first fixation holes is provided with a second fixation hole; when the three first fixation holes in the fixation plate are respectively provided with a prism unit simultaneously, the second fixation hole cannot be provided with a prism unit; and when the second fixation hole in the fixation plate is provided with the prism unit, the three first fixation holes cannot be provided with the prism unit. Through the arrangement of the three first fixation holes and the second fixation hole, three prism units can form a group to carry out reflection work simultaneously; and through switching, the state that only one prism unit works can also be realized; and thus reflection condition flexibility of the surveying and mapping work is better.

The invention relates to a prism adjustment seat for optical surveying and mapping, which comprises: a fixed plate, and a guard plate fixed around the circumference of the fixed plate, characterized in that, the fixed plate is provided with three a first fixing hole, and a second fixing hole is arranged on the fixing plate in the triangle formed by the connecting lines of the three fixing holes; when the three first fixing holes on the fixing plate are respectively provided with a prism lens, At this time, the second fixing hole cannot be provided with a prism lens; when one second fixing hole on the fixing plate is provided with a prism lens, at this time, the three first fixing holes cannot be provided with a prism lens. Three first fixing holes and one second fixing hole are set, so that three prism lenses can be used for reflection work at the same time, and it can also be switched to only one prism lens for work, and the reflection conditions of surveying and mapping work are more flexible it is good.

The invention belongs to the field of lasers, and particularly relates to a femtosecond laser for material processing, and is characterized in that a bimirror refraction block is fixed at one side of a pulse light source and an optical resonator, a totally-reflecting mirror is fixed between the bimirror refraction block and the optical resonator, a semi-reflecting mirror, a prism A, an optical axis drift correction lens, a prism B and a beam splitter are fixed at the other side of the optical resonator in sequence, a thin lens A, a frequency doubling crystal A, a laser output coupling mirror A and a focusing lens A are fixed at one side of the beam splitter in sequence, a thin lens B, a frequency doubling crystal B, a laser output coupling mirror B and a focusing lens B are fixed at the other side of the beam splitter in sequence, laser output ports arranged on a laser shell and extends outward to form laser output port fixing trays, reflectors are fixed outside the laser output ports respectively, and fixing groove covers of reflector shells sleeve the outside of the laser output port fixing trays and are fastened through bolts.

The invention relates to an image sensor and a forming method thereof, and the image sensor comprises a first substrate, wherein the first substrate comprises a first surface and a second surface which are opposite to each other, the first substrate comprises a plurality of pixel regions which are separated from each other, and an isolation region located between adjacent pixel regions; a first reflecting structure which is located on the surface of the second surface of the first substrate; a second reflection structure which is located in the isolation region, wherein the second reflection structure penetrates from the first surface to the second surface; a second substrate which is located on the surface of the first reflection structure, wherein the second substrate comprises a third surface and a fourth surface which are opposite to each other, and the third surface is in contact with the surface of the first reflection structure, and a plurality of floating diffusion regions which are separated from one another are arranged in the second substrate; and a conductive plug which is located in the second substrate, penetrates into the second substrate from the pixel region, and is electrically connected with the floating diffusion region and the pixel region. The imaging quality of the image sensor is good.