120results about How to "Solve contact problems" patented technology

The invention relates to a preparing heterojunction solar cell method of combining wet process deposition with low temperature heat treatment. The preparing heterojunction solar cell method of combining the wet process deposition with the low temperature heat treatment is characterized in that metal grate lines are deposited on a single-face transparent conducting layers or a double-face transparent conducting layers, the low temperature heat treatment is conducted to alloying, wherein (1) the metal grate lines at least comprise metal contact layers, metal conducting layers and metal welding layers, the metal contact layers are located on the transparent conducting layers, and the metal conducting layers, and the metal welding layers are located on the metal contact layers in sequence; (2) the wet process deposition comprises electro-deposition, or light induction deposition, or chemical deposition, or the combination of the electro-deposition, and the light induction deposition and the chemical deposition ; (3) the low temperature heat treatment alloying can form good contact and adhesion property. The preparing heterojunction solar cell method of combining the wet process deposition with the low temperature heat treatment has the advantages that the metal grate lines which have no silvers or little silvers are achieved, cost is reduced, and the low temperature heat treatment is matched with existing heterojunction solar cell processing. In a word, preparing heterojunction solar cell method of combining the wet process deposition with the low temperature heat treatment has no seed layer electrofacing, the metal layers are metal or alloy which have specific temperature characteristic, the good contact and the adhesion property can be formed with transparent conducting films under the heat treatment temperature of 250 DEG C.

The invention relates to geophysical exploration key-drawing technique, especially a method for drawing a complex normal fault isoline structure diagram able to realize rectangular-grid automatic tracking, gridding discrete data to obtain grid file, searching an equivalent point on the four sides of the grid as well as the inner sides according to the user-set isoline starting value, then calculating the coordinates of the next equivalent point on the other three sides of the current grid unit, and according to that either line or column numbers of the two successive units that the isoline passes through are equal, setting a tracking program to automatically continue tracking until the whole isoline is completed. And as compared with the program of encrypting while tracking, it is simple and quick.

The invention provides a projection device and a fabrication method of a polarization grating. The projection device includes a light source, a reflective spatial polarization modulator, a polarization grating and a projection lens; the light source is used for providing light beam; the reflective spatial polarization modulator is arranged on the path of the light beam and is used for reflecting the light beams and modulating the polarization state of the light beams; the polarization grating is arranged on the path of the light beam between the light source and the reflective spatial polarization modulator, wherein the reflective spatial polarization modulator reflects the light beam from the polarization grating to the polarization grating; and the projection lens is arranged on the path of the light beam from the reflective spatial polarization modulator, and the polarization grating is arranged on the path of the light beam between the reflective spatial polarization modulator and the projection lens.

The invention discloses a gold alloy target and a preparation method thereof and is mainly applied to manufacturing of ohmic contacts of GaAs-based semiconductor devices. The gold alloy target comprises components in percentage as follows: 9.5-13.5wt% of Ge, 4.2-5.8wt% of Ni and the balance of Au. The density of the target is higher than 99.8%, the oxygen content is lower than 50 ppm, the surface roughness Ra is higher than 0.5 mu m, the target is accurate in component and precise in size, has the tinier organization structure and is prepared with centrifugal casting, hot pressing and machining methods, and the method is short in process, low in cost and suitable for mass production. With the adoption of the method, the machining difficulty caused by alloy brittleness is overcome, and the gold alloy sputtering target with excellent performance can be prepared.

The invention relates to an organic dye adsorbent, in particular to a gold doped cuprous oxide and a preparation method thereof. The preparation method of the gold doped cuprous oxide comprises the following steps: taking copper-hydrogen as a precursor and polyvinyl pyrrolidone as a protective agent, uniformly coating polyvinyl pyrrolidone on copper-hydrogen, then mixing with chloroauric acid in a water solution under normal temperature and pressure for oxidation-reduction reaction for 1-3 hour(s), and obtaining a black micronano level solid powder through centrifugal separation, wherein the percentage composition of gold in weight takes up 1-55 percent of the total weight and the balance is cuprous oxide. The adsorbent has good adsorption effect on dye with sulfonic acid group but has no adsorption effect on other dyes. Therefore, some mixed dye waste liquid can be circularly used. When used as a photo-catalyst, the problem of contacting between the dye and the photo-catalyst during the process of photochemical catalyst can be solved, and the efficiency of photochemical catalyst is improved. Since the light wave absorbed is in the range of the visible light when the invention is used to photo-degrade the organic matter, the invention can be used in daily wastewater treatment and has no nitrogenous matter making the water quality eutrophication.

The micro refrigerator is used in raising the temperature control of laser device and computer CPU, improving the work efficiency of chip and prolonging their service life. The refrigerator is one multilayer structure including the high temperature area, metal layer, P-type semiconductor, N-type semiconductor, upper metal layer and low temperature area successively from bottom to top. It is prepared with superlattice material Si and Ge and the preparing process includes combined chemical plating process and oxide isolating process to form several stages of micro refrigerator, forming plasma reinforced chemical vapor deposited SiO2 film as protecting layer and chemical copper plating to form metal film in the bonding surfaces between P-type and N-type semiconductors.

The invention discloses a multi-junction solar cell, including the components as following: a double-junction solar sell comprised of a GaAs sub cell and a GaInP sub cess, wherein the GaAs sub cell possesses a first metal pattern; an Si sub sell, which possesses a second metal pattern, wherein the second metal pattern is corresponding to at least part of the first metal pattern; the conductive bonding layer is formed by the mechanical bonding of the first metal pattern and the second metal pattern, and the conductive bonding layer enables the Si sub cell electrically connected to the GaAs sub cell. Because a Ge sub cell is replaced by the Si sub cell, the multi-junction solar cell provided in the invention can effectively utilizes the band with energy of 1 eV, and thereby the total conversion efficiency can be further enhanced. In addition, a Ge base with high cost is no more required, and the multi-junction solar cell provided in the invention can be prepared with lower cost.

The invention discloses a nasogastric tube with a double-tube cavity, which comprises a perfusion tube cavity, and the inside of the tube body is also provided with a guide wire tube cavity which allows a guide wire to insert in, wherein the tail end of the guide wire tube cavity is a blind end, and the diameter of the guide wire tube cavity is equivalent to that of the guide wire. The nasogastric tube has the advantages that: 1, the problem that the guide wire is directly contacted with exudates in vivo is effectively solved so as to reduce the infection probability; and 2, the diameter of the guide wire tube cavity is made to be equivalent to that of the guide wire so as to greatly increase the strength of the nasogastric tube body, and ensure that the nasogastric tube can be inserted into the body of a patient smoothly and positioned accurately, and the operation can be completed by once insertion so as to avoid repeated operation, and reduce the pain of the patient.

The invention discloses a method for manufacturing a brightness-improved GaN-based light emitting diode (LED) chip. The method comprises the following steps of: 1, taking a semiconductor substrate; 2, sequentially growing a low-temperature GaN buffer layer, a non-doped GaN layer, an N-GaN layer, a multi-quantum well light emitting layer and a P-GaN layer on the semiconductor substrate by adopting a metal organic chemical vapor deposition method to form a GaN epitaxial sheet; 3, performing downward etching on one side of the surface of the GaN epitaxial sheet till reaching the N-GaN layer, and forming a mesa on one side of the N-GaN layer; 4, performing vapor deposition on the upper surface of the GaN epitaxial sheet to form an indium tin oxide (ITO) film; 5, photo-etching a groove on the ITO film on the P-GaN layer, corroding the ITO film on the side walls of the multi-quantum well light emitting layer and the P-GaN layer, and reserving the ITO film on the mesa; and 6, manufacturing a P electrode in the groove on the ITO film, manufacturing an N electrode on the ITO film on the mesa, and thus obtaining the GaN-based LED chip.

A top-jet type spray etching machine comprises an etching machine body and a liquid medicine circulating system, wherein the etching machine body is mainly composed of a transition area, a cleaning area and an etching area, spraying devices are arranged on the cleaning area and the etching area respectively, synchronous belt conveying devices are arranged below the transition area and the cleaning area, a servo drive motor is arranged below the transition area, a slide rail penetrating through the transition area, the cleaning area and the etching area is arranged below the etching machine body, etching basket tools are placed on the slide rail, the synchronous belt conveying devices are connected and linked through push rods, and the liquid medicine circulating system is mainly composed of a DI water tank body, a chemical liquid medicine tank body, a heating tank, corresponding pipelines, corresponding valves and a circulating pump. In the glass panel etching process, the temperature, pressure, flow and the like of liquid medicine can be controlled in a full-automatic mode, double-sided waterfall etching is conducted on glass panel, no manual operation is needed in the whole working process, cleaning and etching are both completed automatically, and the etching precision and efficiency are remarkably improved.

The invention provides a battery box which comprises a box body, battery monomer modules and supporting racks. The battery monomer modules in the battery box are connected in series, the supporting racks are T-shaped supporting racks, the battery monomer modules in the box body are arranged in parallel, and the transverse part of each supporting rack is connected with conductive metal sheets of two adjacent rows of battery monomer modules, so that the adjacent battery monomer modules arranged in parallel are isolated from each other. According to the battery box in the scheme, the adjacent battery monomer modules arranged in parallel are isolated through the T-shaped supporting racks, and compared with the isolating mode of welding fixed isolation plates in the prior art, the structure is simpler and more reasonable, and the problem about contact between the adjacent battery monomer modules can be solved through an AGV box body.

The invention relates to an air conditioner with an air conditioner condensate water recycling filter. The air conditioner comprises a filter shell and a water outlet pipe; the water outlet pipe is connected to the side wall of the filter shell in a communicating and inserted manner; and a blocking mechanism is arranged on the water outlet pipe. According to the air conditioner, an existing condensate water pipeline structure is improved, the blocking device is additionally arranged on the improved condensate water pipeline, due to the existence of the blocking device, the pipeline can be blocked, and therefore when the air conditioner is not used, the pipeline can be blocked, outside winged insects or solid floating dust can be effectively prevented from entering the filter, the filter is protected, and the service life of the air conditioner can be effectively prolonged.

A capillary tube throttling dynamic pressure and static pressure mixed bearing used for a heavy roll grinder grinding spindle comprises five static pressure cavities, an arc-shaped shallow cavity and three axial oil return tanks. The upper static cavity and the lower static cavity form a pair of oil containing cavities and are located on the perpendicular line of the bearing. The center of the front static pressure is located on the right of the horizontal line of the bearing and is close to a ground workpiece. The front static pressure cavity is arranged opposite to the left rear static pressure cavity and the right rear static pressure cavity. The horizontal center line of the front static pressure cavity, the horizontal center line of the left rear static pressure cavity and the horizontal center line of the right rear static pressure cavity are in the same horizontal plane. The left rear static pressure cavity and the right rear static pressure cavity are distributed in a central symmetry mode in the width direction of the bearing. A dynamic pressure cavity is the portion, except for the left rear static pressure cavity and the right rear static pressure cavity, of a dynamic pressure oil sealing face. The three axial oil return tanks are arranged at the upper end and the lower end of the front static pressure cavity and the left side of the upper static pressure cavity respectively. The five static pressure cavities are communicated with corresponding oil inlets (7) respectively. The arc-shaped shallow cavity is arranged between the lower static pressure cavity and the dynamic pressure cavity. The requirement for selection of the size of a capillary tube throttle exits. It is ensured that the spindle has high bearing capacity and low temperature rise at a high speed. The spindle has the anti-inclination capacity.

The invention discloses a toilet with automatic opening and closing of the toilet seat, which comprises a toilet seat. The upper end of the toilet seat is fixedly connected with a toilet seat support through bolts. The inside of the cavity is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a first gear, one end of the cavity close to the first gear is rotatably connected with a worm, and the lower end of the worm is fixedly connected with a second gear, the first The second gear and the first gear mesh with each other, the upper end of the toilet ring support is rotatably connected with a bearing, the end of the bearing close to the worm is covered with a worm wheel, the worm wheel and the worm mesh with each other, and the two ends of the bearing are welded with square axis. The invention has a novel structure, and the toilet seat is automatically opened and closed by a motor, thereby providing a toilet with an automatic opening and closing of the toilet seat, solving the problem of contact between the user and the toilet seat in daily use, and protecting the health of the user.

The invention discloses an intelligent water pipe butt joint method and removing method based on a fire extinguishing robot. The intelligent water pipe butt joint method comprises the steps that an image inside a fire hydrant when a fire hydrant door is opened is collected; the image is analyzed and processed, and a processed image is obtained; the position of a water pipe connector inside the fire hydrant is determined through a feature point matching method according to the processed image; a hard water pipe moves to the position of the water pipe connector and is inserted into the water pipe connector inside the fire hydrant; and a steering engine of the water pipe connector of the fire hydrant is rotated by 90 degrees. By the adoption of the two methods, the problem of butt joint and contact of a water pipe of the fire extinguishing robot and the fire hydrant is solved in time.

The invention discloses a sewage treatment method of a magnetic three-phase Fenton reactor and equipment thereof. The sewage treatment method comprises the following steps: (A), sewage to be treated enters the bottom of a reactor through a water inlet hole, and the sewage to be treated is mixed with hydrogen peroxide at the bottom of the reactor; (B), after mixing, the mixed solution undergo uniform water distribution in a water intake area and then enters a Fenton reaction area to undergo a Fenton reaction, and iron mud sediment and carrier particles generated during the reaction process enter a water production area under the action of current; and (C), gas generated by a reaction at the top of the water production area is discharged out of the reactor through an exhaust valve at the topof the water production area. The equipment of the magnetic three-phase Fenton reactor is composed of a reactor, a water intake area, a Fenton reaction area, a water outlet area, a stirring device, areflux pump, a pH monitor, an exhaust valve, a return pipe, a support, aeration equipment, an aeration disc, an air compressor, a flowmeter, a sewage intake pump, a dosing pump and the like. According to the invention, hardly-degradable organic wastewater can be treated effectively, and chroma of sewage is removed. The equipment of the invention has a simple structure and is convenient to use. Bythe sewage treatment method and the equipment, use efficiency of a catalyst is raised, and sedimentation of iron mud is reduced.

The invention discloses a side compression hall sensor for tension detection, mainly comprising a hall element and processing circuit module, a tension detection module, a power module, a magnet, an output protection circuit module and an LED display module, wherein the tension detection module is mounted on the side of a yarn reel to be detected and is used for detecting tension value of yarn andconverting it into corresponding displacement; the magnet is used for changing a distance from the hall element and processing circuit module according to the displacement; the hall element and processing circuit module is used for acquiring output differential voltage according to a detected change in magnetic field intensity, and analog voltage is output after the differential voltage is processed by a subsequent circuit; the LED display module is connected with the output end of the hall element and the processing circuit module and is used for receiving and displaying the analog voltage.The side compression hall sensor uses the hall principle to output analog voltages by changing magnet displacement according to tension magnitude to trigger changes in the magnetic field intensity.

The invention discloses a welding method for solar cells and interconnectors, which is firm in welding and has no cold solder joints. Firstly spraying scaling powder on a main grid line of a cell and the front faces and rear faces of interconnectors, and then welding the interconnectors on the main grid line of the cell through an automatic welding machine. The welding method for the solar cells and the interconnectors has the advantages of enabling the scaling powder to be simultaneously sprayed on the cell and the interconnectors, well solving the contacting problem between the cell and the interconnectors, and enabling power loss of the cell to be reduced. Moreover, requirements of the automatic welding machine on interconnector performance and cell main grid line size can be lowered, Welding tension can be increased, and accordingly zero cold solder joints can be achieved. The welding method for the solar cells and interconnectors aims at increasing use ratio of the cells.

The invention discloses a sterile liquid medicine package which comprises a self-resetting bottle and a combined bottle plug system mounted on the upper portion of the self-resetting bottle. The self-resetting bottle is filled with the sterile liquid medicine, the combined bottle plug system comprises a fastener bottle plug shell, a filter device and a liquid medicine channel one-way valve, the fastener bottle plug shell is fixedly mounted at a self-resetting bottle opening, the filter device and the liquid medicine channel one-way valve are mounted in the fastener bottle plug shell, the filter device is provided with a liquid medicine channel and an air filter channel, the fastener bottle plug shell is provided with an air channel inlet communicated with the air filter channel, and the liquid medicine channel one-way valve is mounted in the liquid medicine channel of the filter device and used for controlling sterile liquid medicine to be ejected towards the outside from the inside ofthe self-resetting bottle and cannot inhale from the outside. The package is provided with the filter device and solves the problem that liquid medicine in a package system contacts with common environmental air, and the air entering the package system reaches a sterile level.

The invention discloses a vegetable wrapping tape which comprises a composite tape. The composite tape comprises a base tape, adhesive and an auxiliary tape. The adhesive is positioned between the base tape and the auxiliary tape and is prevented from being in contact with vegetables; wire holes are formed in the auxiliary tape and are used for tearing the auxiliary tape and wrapping the vegetables; the composite tape is wound on a reel in order to bring convenience for production and usage. The vegetable wrapping tape has the advantages that the vegetable wrapping tape is provided with the protective auxiliary tape with non-setting adhesive, the non-setting adhesive is prevented from being in contact with the vegetables when the vegetable wrapping tape is used, the wire holes are formed in the auxiliary tape, the portions, which are positioned at the head end and the tail end of the composite tape and correspond to the locations of the wire holes, of the auxiliary tape are torn off when the vegetables are about to be wrapped, the head end and the tail end of the composite tape are adhered with each other by the aid of the exposed adhesive, accordingly, the vegetables can be wrapped, and the problem of contact between existing adhesive and existing vegetables can be solved.

Provided is a method for in-situ preparation of Fe / TiC composite powder by vacuum carbon thermal reduction. Titanium dioxide, a carbonaceous reducing agent, and iron or iron oxide are used as raw materials and are mixed and uniformly stirred according to a certain mass ratio; and the mixed powder after being pressed into cakes is put into a vacuum high-temperature furnace to be heated and is subjected to thermal insulation at a temperature of 1300-1600 DEG C and a pressure of 10-200 Pa for 1-2 hours to obtain a Fe / TiC composite powder material finally. The method has the beneficial effects that (1), the titanium dioxide, the carbonaceous reducing agent, and the iron or iron oxide are used as raw materials, compared with a traditional preparation method, the cost is lower, the technologicalprocess is simple, and easy industrial production is achieved; (2), an in-situ synthesis method is adopted, titanium dioxide is reduced by carbon in iron liquid at a high temperature, and TiC is directly generated in situ, so that TiC is uniformly distributed in an iron phase and impurities between Fe / TiC interfaces are avoided; and (3), a vacuum method is used for promoting reaction to reduce the content of dissolved carbon in the iron phase, and at the same time, the deoxidation can be more thorough and the higher purity composite powder is obtained. Therefore, the method has obvious advantages in terms of cost, process and purity.