42results about How to "Linear stability" patented technology

A biasing circuit for a CMOS passive mixer core to stabilize its conversion gain, linearity and noise figure. The RF inputs are fed differentially from the two RF ports, the LO inputs are fed differentially from the two LO ports, and the IF outputs are obtained at the two IF ports. The biasing circuit comprises a reference current derived from the bandgap voltage and a n-channel MOSFET transistor. The conversion gain is stabilized by keeping the Vgs−Vth value of the passive mixer core almost constant at all process corners, temperature and power supply changes. This is achieved by implementing Vs in such a way that it will increase the same amount as VDD decreases, and that Vs will decrease the same amount as Vth increases.

The invention relates to a device and a method for etching silver syrup on an electronic product. The device is characterized in that an optical shutter is arranged at an output end of a high-frequency short pulse laser, wherein a beam expanding lens is arranged at the output end of the optical shutter; a 1 / 2 wave plate and a Glan prism are arranged at the output end of the beam expanding lens in turn; a 45-degree holophote is arranged at the output end of the Glan prism; a vibrating lens and a scanning field lens are arranged at the output end of the 45-degree holophote in turn; the scanning field lens is opposite to a four-shaft absorbing platform; a coaxial blowing and sucking dust-collecting system is arranged on the four-shaft absorbing platform; and CCD (charge coupled device) contraposition systems are respectively arranged at opposite angle positions of the four-shaft absorbing platform. The method is characterized by using a high-frequency infrared pulse laser as a laser source, processing a target position of a material by using a diagonal CCD grabbing target, ensuring a processing chart being one-to-one corresponding to a sample position on a platform, and etching the silver syrup, copper films or molybdenum aluminum layers in invisible areas of different touch screen products, thereby achieving the etching purpose by gasifying film materials in the invisible areas under the action of the high-frequency short pulse infrared laser.

The invention relates to a device and a method for laser etching the anode film material of an OLED display. The output end of the high-frequency short-pulse laser is arranged with an electric shutter, the output end of the electric shutter is provided with an electric beam expander, and the output end of the electric beam expander A 45-degree total reflection mirror is arranged in sequence, and the output end of the 45-degree total reflection mirror is arranged with a vibrating mirror and a scanning field mirror. The scanning field mirror is facing the three-axis adsorption platform, and one side of the three-axis adsorption platform is equipped with an ion wind blower system, the dust collection system is installed on the other side, the CCD alignment observation system is installed at the diagonal positions on the three-axis adsorption platform, and the high-frequency short-pulse laser and the vibrating mirror are connected to the industrial computer. Using high-frequency pulsed lasers of different wavelengths as the laser source, laser etching is performed on the anode material of the OLED display, so that the anode material of the OLED display is vaporized under the action of the high-frequency short-pulse laser to achieve the purpose of erosion, and the processed product is pollution-free. , OLED display products with stable linearity and good functions.

The invention relates to a device and method for laser etching cathode thin film materials of OLED displays. An electric shutter and an electric beam expander are arranged at the output end of the high-frequency short-pulse laser, and a 1 / 2 wave plate is arranged at the output end of the electric beam expander. 1 The output end of the / 2 wave plate is arranged with a polarization beam splitter, the output end of the polarization beam splitter is arranged with a first half-mirror and a first 45-degree reflector, and the output end of the first half-mirror is arranged with a first focusing mirror and a first half-mirror. The second 45-degree reflective mirror, the output end of the second 45-degree reflective mirror is arranged with a second focusing mirror, the output end of the first 45-degree reflective mirror is arranged with a second half mirror, and the output end of the second half mirror is arranged There is a third focusing mirror and a third 45-degree reflecting mirror, and a fourth focusing mirror is arranged at the output end of the third 45-degree reflecting mirror, and the output end of the focusing mirror is facing the two-axis adsorption platform. The cathode material of the OLED display is vaporized under the action of a high-frequency short-pulse laser to achieve the purpose of erosion, and the four beams realize the line etching of the cathode area.

The invention relates to a capacitive touch pad with comb-shaped electrodes, which comprises a transparent substrate and inductive electrodes. The inductive electrodes are arranged on the transparent substrate and comprise a group of transverse electrode wire traces, a group of longitudinal electrode wire traces and leading-out wires connected with the I / O ports of a touch chip, wherein the transverse electrode wire traces intersect with the longitudinal electrode wire traces. The invention is characterized in that at least partial leading-out wires are connected with the electrode wire traces in a way that one leading-out wire corresponds to a plurality of electrode wire traces. By adopting the arrangement, one I / O port of the touch chip corresponds to one leading-out wire and one leading-out wire can correspond to a plurality of electrode wire traces. Thereby, the number of the electrode wire traces in a touch area can be multiplied, the number of the electrodes can be multiplied, the distribution of the electrodes is kept to be even, the density of charges distributed on the capacitive touch pad is enabled to be changed more stably, the linearity of an electric field is enabled to be more stable, the coupling capacitance on the touch area is improved and the accuracy and the sensitivity of the touch pad are improved.

The invention relates to a device and a method for etching a copper conducting film on glass substrate ink by using pulse laser. An optical gate and a beam expander are arranged at the output end of a high-frequency pulse laser in turn; a 1 / 2 wave plate and a Glan prism are arranged at the output end of the beam expander in turn; a high-reflectivity lens is arranged at the output end of the Glan prism; a total reflection mirror is arranged at the output end of the high-reflectivity lens; a vibrating mirror field lens system is arranged at the output end of the total reflection mirror; the output end of the vibrating mirror field lens system is opposite to a four-axis high-accuracy platform; a charge coupled device (CCD) contrapuntal observation system is arranged above the four-axis high-accuracy platform; a plasma air blowing system is arranged on one side of the four-axis high-accuracy platform, and a dust collection system is arranged on the other side of the four-axis high-accuracy platform; a real-time power monitoring probe is also arranged at the output end of the high-reflectivity lens and is connected with the vibrating mirror field lens system through a communication system and a control system; and the high-frequency pulse laser is used for etching lines of a copper conducting film layer in an invisible area of a black ink substrate on glass.

The invention relates to a device and a method for laser etching of conducting film layers on touch on lens (TOL) and one glass solution (OGS) touch components. Lasers emitted by a laser enter a beam expanding lens through an optical shutter, light beams enter a total reflection lens group to be subjected to light path adjustment after beam expansion and collimation are performed to the light beams through the beam expanding lens, the lasers are totally reflected to a galvanometer system and accurately controlled by a telecentric field lens to focus to a conducting film on glass, and the size of each focus light spot is 20-40 mu m; the laser and the galvanometer system are in data communication with an industrial personal computer through a communication system so as to transform scanning patterns to digital signals, the patterns are transformed onto a work piece to be etched and processed, and the work piece to be processed is adsorbed by a vacuum adsorption platform; a charge coupled device (CCD) alignment observation system shoots leading-in localizers and grasps targets to control processing; and after one unit is etched by the lasers, the vacuum adsorption platform moves the next unit, the lasers start to perform processing again, and such is repeated so that etching of processing breadth is achieved. The processing way is concise, the processing efficiency is high, and consumable items are not required.

The invention discloses an automatic wire-welding surface treatment process for stainless steel, which comprises the following steps: (1) paying off by using a high pay-off rack, wherein the welding wire generatrix is fed in a rolling manner into a coating grove filled with a skin film solution for skin film treatment; (2) feeding the dried welding wire subjected to skin film treatment in the step (1) into a drawbench to be subjected to drawing; (3) feeding the drawn welding wire into a straightener for eliminating residual stress generated in the drawing process to straighten; (3) feeding the straightened welding wire which is dried and rubbed and washed into an electrolytic bath for electrolytic washing; (5) cleaning the electrolyzed welding wire to remove electrolyte on the surface layer and drying. The invention further discloses an automatic wire-welding surface treatment device. By means of the process and device provided by the invention, the problems of oxidization of welding wire surface layer, pollution of impurities, poor linearity and the like are effectively solved.

The invention discloses a WiMAX (World Interoperability for Microwave Access) radio frequency front-end standing wave detection system and method. The WiMAX radio frequency front-end standing wave detection system comprises an amplifier, a directional coupler, an attenuator, detecting circuits, a logic-arithmetic unit and an indicator, wherein one path of output of the directional coupler is connected with a positive detecting circuit through the attenuator, and the other path of output of the directional coupler is connected with a reverse detecting circuit through the attenuator; and the detecting circuits are respectively connected with the logic-arithmetic unit. The method comprises the following steps that a radio-frequency signal is transmitted to an antenna through the directional coupler after the radio-frequency signal is amplified; one part of signals of the directional coupler is attenuated and then is sent to the positive detecting circuit to be detected into stable direct-current level; the other part of signals of the directional coupler is attenuated and then is sent to the reverse detecting circuit to be detected and to be used as comparative level; the direct-current level is sent to the logic-arithmetic unit to be used as reference level; and the logic-arithmetic unit obtains an accurate standing wave value through logical operation to be input into the indicator. The accuracy of output standing wave detection of a power amplification module is high, the real-time monitoring of the power amplification module is realized, and the using safety of equipment and the running stability of the system are increased.

The invention relates to a device and a method for etching a silver paste conducting film layer on printing ink by pulse laser. An optical gate, a beam expander, and a semi-transparent semi-reflecting lens are sequentially arranged at the output end of a high-frequency pulsed laser; a first 1 / 2 wave plate and a second high-reflectivity lens are arranged at the output end of the semi-transparent semi-reflecting lens; a first Glan prism and a first high-reflectivity lens are sequentially arranged at the output end of the first 1 / 2 wave plate; the output end of the first high-reflectivity lens is provided with a first galvanometer field lens system; the output end of the first galvanometer field lens system is opposite to a four-axis high-accuracy platform; the output end of the second high-reflectivity lens is provided with a second 1 / 2 wave plate and a second Glan prism; the output end of the second Glan prism is provided with a third high-reflectivity lens; the output end of the third high-reflectivity lens is provided with a second galvanometer field lens system; and the output end of the second galvanometer field lens system is opposite to the four-axis high-accuracy platform. By the invention, silver paste and indium tin oxide (ITO) in a touch-screen product can be subjected to laser etching efficiently at high accuracy.

The invention discloses polynucleotide, a method and a kit for detecting listeria monocytogenes. Specifically, the invention discloses polynucleotide, which can be used as a standard molecule in realtime fluorescent PCR detection of listeria monocytogenes, and DNA constructs (LY01 and LY02). The provided plasmid standard molecule can solve the problem that realtime fluorescence PCR detection of listeria monocytogenes is lack of standard substances, and moreover, can guarantee the comparability of the detection results of realtime fluorescence PCR detection. A reliable quality control method is provided for the realtime fluorescence PCR detection of listeria monocytogenes.

The invention relates to a device and a method for etching a conducting layer made from graphene on a touch screen. An optical gate is arranged at the output end of a high-frequency short-pulse laser; a beam expanding lens is arranged at the output end the optical gate; a 45-degree full-reflection mirror is arranged at the output end of the beam expanding lens; a dynamic focusing mirror and a scanning field mirror are arranged at the output end of the 45-degree full-reflection mirror; the scanning field mirror is over against a working platform; a blowing device is arranged on one side of the working platform; and a dust collecting device is arranged on the other side of the working platform. High-frequency pulse lasers of different wavelengths are taken as laser sources for performing laser etching on conducting layers made from graphene in different touch screen products, so that the aim of etching graphene conducting layers by gasifying under the action of a high-frequency short-pulse laser is fulfilled; and a high-accuracy dynamic focusing mirror is matched with a galvanometer, so that an etching rang of (500 millimeters)*(500 millimeters) is realized at one time, and a touch screen electronic product having the advantages of no pollution, linear stability and complete functions is processed.

The invention discloses a polynucleotide, a method and a kit for detecting Bacillus anthraci, and particularly discloses the polynucleotide which can be used as a standard molecule for real-time fluorescent PCR (polymerase chain reaction) detection of the Bacillus anthraci as well as DNA constructs PA and capA. By the aid of the plasmid standard molecule, the problem of lack of standard substances for real-time fluorescent PCR detection of the Bacillus anthraci is solved, the comparability of the detection result of a real-time fluorescent PCR method of the Bacillus anthraci is guaranteed, and a reliable quality control method is provided for detection with the real-time fluorescent PCR method of the Bacillus anthraci.

The invention discloses a device and method for etching a conductive film of an unviewable zone on a touch screen. The output end of a high-frequency short-pulse laser is provided with an optical shutter; the output end of the optical shutter is provided with a beam expander; the output end of the beam expander is successively provided with 45-degree total reflection mirrors; the output end of each 45-degree total reflection mirror is successively provided with a dynamic focus lens and a scanning field lens; the scanning field lens just faces to a working platform; one side of the working platform is provided with a blowing device; and the other side of the working platform is provided with a dust catching plant. The conductive film material of the unviewable zone is etched by an optimized optical path focusing system and a high-frequency pulse laser, thus a thinner and stable line width is obtained, and a substrate is not damaged.

The invention relates to an HID (High Intensity Discharge) electronic ballast, which comprises an EMI (Electro-Magnetic Interference) filtering and rectifying circuit, an active power factor correcting circuit, a high-frequency half-bridge inverter circuit, a lighting circuit and high-frequency half-bridge inversion driving circuit, and is characterized by further comprising a constant-power control circuit, wherein the input end of the constant-power control circuit is connected with the output end of the active power factor correcting circuit; the output end of the constant-power control circuit is connected with the high-frequency half-bridge inversion driving circuit; and the constant-power control circuit is used for acquiring current at the output end of the active power factor correcting circuit and outputting different control signals to the high-frequency half-bridge inversion driving circuit to adjust the working frequency of a control chip in the high-frequency half-bridge inversion driving circuit and realize correction and / or adjustment on the power of an HID bulb. Compared with the prior art, the HID electronic ballast has the advantages that: the constant-power control circuit is arranged, so that the HID electronic ballast provided by the invention has the characteristics of high reliability and capability of keeping stable work of the HID bulb.

The invention discloses polynucleotide, a method and a kit for detecting salmonella bacteria. Specifically, the invention discloses polynucleotide and DNA constructs pXL10 and pXL11, which can be used as standard molecules for real-time fluorescent PCR (polymerase chain reaction) detection of the salmonella bacteria. The plasmid standard molecules disclosed by the invention solve the difficulty that the real-time fluorescent PCR detection of the salmonella bacteria lacks standard substances, thereby ensuring the comparability of a result of a real-time fluorescent PCR method detection of the salmonella bacteria, and providing a reliable quality control method for the real-time fluorescent PCR method detection of the salmonella bacteria.

The invention relates to an electronic accelerator pedal, in particular to an anti-interference device of a magnetic sensing accelerator pedal. The technical proposal of the invention is that a protection output terminal of a power supply protection circuit is connected with a signal collection and output circuit; when the environment supplies electricity for the signal collection and output circuit, the power supply protection circuit provides protection for the signal collection and output circuit; when the accelerator pedal is trampled, the signal collection and output circuit converts the deflection quantity of the angle of the accelerator pedal into the electromagnetic signal and converts the collected magnetic signal into the electric signal at the same time which is sent to an engine accelerograph controller. The invention can improve the safety, sensitiveness and driving comfort, reduces the oil consumption, reduces the exhaust pollution, and meets the environmental requirement much better.

An articulated work vehicle with linked front and rear frames includes a joystick lever, a force imparting component, a speed sensor, and a controller. The joystick lever is configured to change a steering angle of the front frame with respect to the rear frame by operation by an operator. The force imparting component is configured to impart an assist force or a counterforce to operation of the joystick lever by the operator. The speed sensor is configured to sense speed of the work vehicle. The controller is configured to control the force imparting component so as to impart the assist force or the counterforce according to the speed sensed by the speed sensor.

The device has a first substrate on which an electrical resistive element is mounted, and a second substrate on which a contact electrode is mounted. The contact electrode is disposed opposite the resistive element at an electrically insulating distance. It can be brought into electrical contact with the resistive element by pressing the substrates together. The device is provided with electrical or electronic circuitry for detecting the location of the compression point. At least one of the substrates is equipped with a flat leaf spring of spring-grade sheet metal attached flush thereto, which leaf covers the compression zone of the substrates.

The invention discloses plasmid standard molecules PLW03 and PLW04 for detecting Shiga-toxin-producing Escherichia coli and application thereof. The invention particularly discloses a polynucleotide for Shiga-toxin-producing Escherichia coli PCR detection and a primer pair matched with the polynucleotide. The polynucleotide sequence is prepared into the standard plasmid molecules by using an appropriate framework plasmid. When being matched with the primer pair to perform real-time fluorescent PCR detection, the standard plasmid molecules have the advantages of excellent specificity, excellent sensitivity and favorable stability.

The invention relates to a metering standard device of a single-tube type chemiluminescent analyzer. The metering standard device comprises an optical bench formed by an optical tool bracket, a tritium light source, a light attenuation piece and a fixed clamp ring, an interference filter and a spectrum neutral filter, wherein the tritium light source and the light attenuation piece are sequentially arranged in a cavity of the optical tool bracket from bottom to top, and are fixed at the bottom of the cavity by the fixed clamp ring; the interference filter and the light attenuation piece are arranged above the fixed clamp ring along the same axial direction; and the spectrum neutral filter and the light attenuation piece are arranged above the interference filter along the same axial direction. According to the different parameters to be measured, various types of optical filters can be flexibly replaced for the metering standard device, so that the multiple parameters of the various instruments to be measured can be accurately acquired. The invention also comprises a using method of the metering standard device.

The invention discloses an automatic wire-welding surface treatment process for stainless steel, which comprises the following steps: (1) paying off by using a high pay-off rack, wherein the welding wire generatrix is fed in a rolling manner into a coating grove filled with a skin film solution for skin film treatment; (2) feeding the dried welding wire subjected to skin film treatment in the step (1) into a drawbench to be subjected to drawing; (3) feeding the drawn welding wire into a straightener for eliminating residual stress generated in the drawing process to straighten; (3) feeding the straightened welding wire which is dried and rubbed and washed into an electrolytic bath for electrolytic washing; (5) cleaning the electrolyzed welding wire to remove electrolyte on the surface layer and drying. The invention further discloses an automatic wire-welding surface treatment device. By means of the process and device provided by the invention, the problems of oxidization of welding wire surface layer, pollution of impurities, poor linearity and the like are effectively solved.

The invention provides a sickle wing vertical take-off and landing aircraft which is of an upper single-wing structure. The wing comprises a wing root part and a wing tip part, the front edge of the wing root part is integrally straight, the rear edge of the wing root part is in a convex triangle shape, and the front edge part is provided with a separated tiltable wing surface, a power system anda rotor wing are mounted on the wing surface, the front edge and the rear edge of the wing tip part are both inclined and swept forward integrally relative to the wing root part. The sickle wing vertical take-off and landing aircraft has the advantages of being high in hovering efficiency, good in stability and high in level flight efficiency.

The invention discloses a time resolution immunity fluorescence kit for detecting the content of beta-hCG. The time resolution immunity fluorescence kit comprises a box body and a box cover which is arranged above the box body, wherein a separation layer which is used for placing an elisa plate coated by a beta-hCG monoclonal antibody is arranged in the box body; vessel holes for arranging reagent bottles are formed in the box body, and in the vessel holes, a reagent bottle with analysis solution, a reagent bottle with a cleaning solution, a reagent bottle with an enhanced solution, a reagent bottle with a beta-hCG correction product and a reagent bottle with a labeled anti-alpha-TSH monoclonal antibody are placed. In addition, the invention also discloses a preparation method of the kit and application of the kit in detecting the content of beta-hCG. The kit is high in sensitivity, wide in detection range and good in stability. The time resolution immunity fluorescence kit can be full-automatically operated by utilizing a full-automatic time resolution fluorescent immunity analyzer and is simple and time-saving to operate and high in sensitivity reaching up to 0.01mIU / ml, good in accuracy and free from radiation pollution.

The invention relates to a metering standard device of a single-tube type chemiluminescent analyzer. The metering standard device comprises an optical bench formed by an optical tool bracket, a tritium light source, a light attenuation piece and a fixed clamp ring, an interference filter and a spectrum neutral filter, wherein the tritium light source and the light attenuation piece are sequentially arranged in a cavity of the optical tool bracket from bottom to top, and are fixed at the bottom of the cavity by the fixed clamp ring; the interference filter and the light attenuation piece are arranged above the fixed clamp ring along the same axial direction; and the spectrum neutral filter and the light attenuation piece are arranged above the interference filter along the same axial direction. According to the different parameters to be measured, various types of optical filters can be flexibly replaced for the metering standard device, so that the multiple parameters of the various instruments to be measured can be accurately acquired. The invention also comprises a using method of the metering standard device.

The device has a first substrate on which an electrical resistive element is mounted, and a second substrate on which a contact electrode is mounted. The contact electrode is disposed opposite the resistive element at an electrically insulating distance. It can be brought into electrical contact with the resistive element by pressing the substrates together. The device is provided with electrical or electronic circuitry for detecting the location of the compression point. At least one of the substrates is equipped with a flat leaf spring of spring-grade sheet metal attached flush thereto, which leaf covers the compression zone of the substrates.

The invention discloses a time-resolved fluoroimmunoassy test strip used for quantitative determination of sST2, and a preparation method thereof. The time-resolved fluoroimmunoassy test strip used for quantitative determination of sST2 comprises a base plate; a sample pad, a conjugate pad, a coating membrane, and an absorbent paper are arranged on the base plate in a staggered manner; the coating membrane is arranged on the middle part of the base plate; the upper end of one side edge of the coating membrane is covered by the conjugate pad, and the upper end of the other side edge is covered by the absorbent paper; and the edge of one side, far from the coating membrane, of the conjugated pad is covered by the sample pad. Compared with the prior art, the time-resolved fluoroimmunoassy test strip possesses following advantages: time-resolved fluoroimmunoassy is introduced into detection of soluble growth stimulation expressed gene 2 (sST2), quantitative determination of single portion sST2 is realized via combination with a time resolved fluorescence detector, sensitivity is high, intra-assay and inter-assay difference is low, great convenience is provided for clinical application, operation of the preparation method is simple, the preparation method is suitable for large scale production, and the preparation method possesses active significance in quantitative determination of sST2.

The invention discloses polynucleotide, a method and a kit for real-time fluorescence quantitative PCR (Polymerase Chain Reaction) detection of vibrio cholerae, and particularly provides the polynucleotide, usable for vibrio cholerae PCR detection, and a primer pair matched with the polynucleotide. A polynucleotide sequence is prepared into a standard plasmid molecule PLW07 by using an appropriate framework plasmid, and real-time fluorescence PCR detection is carried out by virtue of the primer pair; the specificity and the sensitivity are extremely high, and the stability is high.