43results about How to "Compliant with miniaturization" patented technology

The invention discloses a gate driving circuit which comprises a plurality of gate driving sub-circuits, wherein each gate driving sub-circuit comprises an upward-pull switch element, a downward-pull switch element and a latch; and the latch is used for respectively carrying out first-stage upward pull and second-stage upward pull on voltage output from the output end of the latch through a first upward pull signal and a second upward pull signal which are respectively input from a first upward pull signal input end and a second upward pull signal end so as to improve a control signal output from the latch to a first control end of the upward-pull switch element. According to the invention, the latches can output very high voltage to the upward-pull switch elements in a time period in which the gate driving sub-circuits output gate voltage, and then the output capability of the upward-pull switch element is improved, so that the sizes of the upward-pull switch elements can be further decreased on the premise of outputting enough gate voltage, therefore, the gate driving circuit is specifically suitable for meeting the design requirements of small-panel liquid crystal display devices.

The invention discloses a CMOS / MEMS compatible spectroscopic gas sensor which performs qualitative and quantitative analysis by using near-infrared transmission spectra of gases to be measured. The sensor consists of an infrared light source, a photon crystal dispersing prism, an infrared photoelectric detection array and the like, judges the type of gases by adopting the reference structure and analyzing the position of the characteristic line and determines concentration of gases by corresponding absorbance. The invention overcomes the deficiencies that the traditional MEMS gas sensor has complex processes and short service life, has the high sensitivity detectivity and can be manufactured compatible with CMOS processes. The CMOS / MEMS compatible spectroscopic gas sensor can be produced in large scale with reduced cost and analyze the gas concentration gradient through the integrated array.

The invention discloses high-dimensional stability Sn-Ag-Cu solder suitable for electronic packaging. The main component metal elements of the solder include Sn, Ag, Cu and Be. According to the solder, the excellent melting property, the excellent welding performance and the excellent mechanical property of Sn-Ag-Cu solder alloy are maintained, the elasticity modulus of a welding connector can also be remarkably improved, a welding spot is made to have high toughness, the dimensional stability is good, and the solder is particularly suitable for ultra-small interval electronic packaging. The electric conductivity and heat conductivity of the prepared welding spot can also be improved, so that the welding spot still has the excellent comprehensive service performance while bearing electric, thermal and mechanical loads and accords with the miniaturization, precision and high-performance development tendency of modern electronic components, the using reliability of the electronic products is improved, and the service life of the electronic products is prolonged. Furthermore, through one or more of Al, Ni and V, the high-temperature oxidation resistance, wettability, fluidity and high-temperature chemical stability of the solder can be further improved, the solder alloy is refined, and the mechanical property of the welding spot is improved.

The invention discloses a micro-nano-satellite multi-component thermal vacuum batch test device, which includes a guide rail in a heat sink of a vacuum tank, a heating unit, and a heat insulation board; the heating unit includes an infrared cage, a bracket, a mounting plate, and a micro-nano satellite to be tested Multiple components are arranged on the mounting plate and the geometric envelope of the infrared cage completely covers the components to be tested, the bracket and the mounting plate. The invention also discloses a corresponding test method. The invention can significantly improve test efficiency and reduce test cost.

The invention reveals an image capturing optical system, an image capturing device, and an electronic device. The system sequentially comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens from the object space to the image space. The first lens has the positive refraction power, and the object space surface of the first lens is a convex surface. The second lens has the positive refraction power, wherein the object space surface of the second lens is a convex surface, and the image space surface of the second lens is a concave surface. The third lens has the negative refraction power, and the image space surface of the third lens is a concave surface. The fourth lens has the positive refraction power. The fifth lens has the negative refraction power, and the image space surface of the fifth lens is a concave surface. Moreover, an off-axis part of the image space surface of the fifth lens comprises at least one convex surface, and the object space and image space surfaces of the fifth lens are aspheric surfaces. When a specific condition is met, the stabilization of the imaging quality and assembly of the system is facilitated. The invention also discloses the image capturing device with the system, and the electronic device with the image capturing device.

The invention discloses an array waveguide light-splitting based infrared spectrum MEMS (Micro-electromechanical System) gas sensitive transducer. The kinds and the concentrations of gases can be determined by using an infrared transmission spectrum of the gases. The sensor comprises an infrared heat light source (1) integrated on a silicon substrate, a photonic crystal waveguide array light splitter (2), a measuring gas chamber (3), an infrared detection array (4) of the measuring gas chamber, a reference ratio gas chamber (5) and an infrared detection array (6) of the reference ratio gas chamber. The invention solves the problems that the traditional MEMS gas sensitive transducer requires a complicated process for fabrication and has a limited service life, has high-sensitivity detectivity, is compatible with the CMOS (Complementary Metal-Oxide-Semiconductor Transistor) process in the manufacture, can be produced in batch and can detect the concentration gradient of the gases in a unit array way.