42results about How to "Linear stability" patented technology

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 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 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 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 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 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 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.