523results about How to "Reduce the difficulty of manufacturing process" patented technology

Embodiments of the invention disclose a three-dimensional memory and a formation method for a channel hole structure of the three-dimensional memory. By implementing two times of a through hole formation process of a first through hole and a second through hole, the channel hole structure in the three-dimensional memory is formed, so that the process difficulty and cost of the channel hole structure can be greatly lowered; the problem of high process difficulty and high cost caused by overhigh depth-to-width ratio of the through holes under the same caliber are solved; and meanwhile, the manufacturing process difficulty and cost of the three-dimensional memory are lowered.

The invention provides a grid electrode driving circuit and a display device. The grid electrode driving circuit comprises a plurality of grid electrode driving units, wherein each grid electrode driving unit is respectively connected with a pulse signal input end, a time sequence signal input end and at least two adjacent grid electrode scanning lines, and is used for sequentially providing pulse signals input from the pulse signal input end to at least two adjacent grid electrode scanning lines connected with the grid electrode driving unit under the control of the time sequence control signals input by the time sequence control signal input end, the pulse signal input end is connected with a grid electrode driver, and the grid electrode driver outputs the pulse signals according to the number of the grid electrode scanning lines corresponding to the grid electrode driving units. The grid electrode driving circuit and the display device provided by the invention have the advantages that one pulse signal input end can control the opening and the closing of at least two lines of pixel TFT (thin film transistor) arrays, and the number of the pulse signal input ends is reduced.

A piezoelectric electret material comprises a composite membrane and an electrode, wherein the composite membrane comprises a polymer layer and an elastic deformation layer which are stacked sequentially; the polymer layer is made of an electret material and used for storing charge; and the elastic deformation layer is made of an elastic material. The electrode is made of a conductive material and comprises a first electrode and a second electrode formed on the two opposite sides of the composite membrane. When the piezoelectric electret material suffers an external mechanical action, the elastic deformation layer deforms, and the induced charge on the electrode is changed, so that an external circuit shows short-circuit current or open-circuit voltage, and the piezoelectric electret material has relatively good piezoelectric property. The piezoelectric electret material forms a closed hole structure without special treatment, so that the charge storage capacity in a piezoelectric electret is not limited. Simultaneously, the invention provides a preparation method of the piezoelectric electret material.

The invention discloses a transflective liquid crystal display panel and a liquid crystal display. The transflective liquid crystal display panel comprises an upper base plate, a lower base plate and a liquid crystal layer, wherein the upper base plate and the lower base plate are in butt joint, and the liquid crystal layer is arranged between the upper base plate and the lower base plate. The lower base plate comprises a plurality of sub-pixel units distributed in arrays, wherein each sub-pixel unit comprises a reflection area and a transmission area, the reflection area sequentially comprises a substrate base plate, a black matrix, a reflection layer and a first color filter layer in the direction from the lower base plate to the upper base plate, the transmission area sequentially comprises a substrate base plate and a second color filter layer in the direction from the lower base plate to the upper base plate, and the thickness of the first color filter layer is smaller than that of the second color filter layer. By means of the transflective liquid crystal display panel, it is ensured that difficulty in the preparation technology of the transflective liquid crystal display panel can be reduced under the conditions that color saturation of the reflection areas and color saturation of the transmission areas trend to consistence.

The invention provides a lateral direction SOI power semiconductor device, and belongs to the technical field of power semiconductor devices. The cellular structure of the lateral direction SOI power semiconductor device comprises a substrate, an insulating dielectric layer and a device active layer arranged on the insulating medium layer, wherein the device active layer comprises a source region, a drain region, grids and a drift region. The drift region between the source region and the drain region is a sandwich structure formed by sandwiching a second semiconductor doping region between two first semiconductor doping regions parallel to the lateral direction of the device, the conduction type of the first semiconductor doping regions is different from that of a first conduction type semiconductor region in a source region structure, and the outer side faces of the two first semiconductor doping areas are respectively provided with a high k dielectric layer. The lateral direction SOI power semiconductor device can remit the substrate-assisted depletion effect existing in lateral direction super junction SOI power semiconductor devices, is free of the problem that charge balance of a super junction structure needs to be taken into consideration in the super junction power semiconductor devices, has higher reverse voltage resistant performance and lower forward on-resistance, and is relatively low in difficulty and cost of the manufacturing technology.

The invention discloses an electric control dual-chamber relay valve which comprises a valve body, a piston rod positioned in the valve body and a lifting valve controlled by up-and-down motion of the piston rod, wherein a total air inlet of the valve body and an outlet of a brake cylinder are respectively communicated with a total air cavity and a brake cylinder cavity which are arranged at the upper part of the lifting valve, a piston on the piston rod comprises an upper piston and a lower piston, an upper template is arranged between the upper piston and the valve body, a lower template isarranged between the lower piston and the valve body, a pressure feedback cavity formed above the upper template is communicated with the brake cylinder cavity through a throttling hole, a first control cavity formed between the upper template and the lower template is communicated with a common pre-control pressure air inlet of the valve body, and a second control cavity below the lower templateis communicated with an emergency pre-control pressure air inlet of the valve. The relay valve has the advantages of safe and reliable property, high sensitivity, relatively lower difficulty in manufacture process and relatively lower manufacture cost.

A light-guide plate and its light-guide structures that are formed at the plate body of the light-guide plate in a concave configuration, a bottom side of the light-guide facet of the light-guide structures that face to the light source approximately presents an arc-like shape. The arc-like shape makes the light after deflecting have the effect of diffusion for a certain extent. These light-guide structures present a sparse-to-dense distribution along the direction that is away from the light source. The arc angles of the bottom side of the light-guide structures present a large-to-small configuration along the direction that is away from the light source such that the whole brightness of the light-guide plate is uniform.

The invention provides a car front longitudinal beam structure and a preparation method thereof. The front longitudinal beam is of a hollow type cavity structure which is formed by connecting an inner plate with an outer plate along a longitudinal extension direction, and comprises an energy absorption region located at the front part of the front longitudinal beam, a support region located at the rear part of the front longitudinal beam and a transition region for connecting the energy absorption region with the support region, wherein a plate material in the energy absorption region is thinner than a plate material in the support region, and the plate material in the transition region is continuously and uniformly transitioned from the energy absorption region to the support region. The inner plate and the outer plate are connected through the adoption of a technology of combining laser welding, spot welding and cementation, so that the front longitudinal beam preparation technology is simple; the transition region of the inner and outer plates is continuously and smoothly connected with the relatively thin energy absorption region and the relatively thick support region, so that difference of front and back performances of the front longitudinal beam is realized, light weight and relatively high collision and energy absorption effects are guaranteed; energy absorbing ribs are arranged uniformly on each surface of the inner and outer plates, so that the car front longitudinal beam structure further improves collision energy absorption and is conductive to further improving car safety performance.

A capacitive fingerprint sensor and a fingerprint imaging module are provided, comprising: a base board; and pixel units that are on a surface of the base board and are arranged in an array, wherein each pixel unit comprises an amorphous switching element and a first pole plate connected to the amorphous switching element, and the first pole plate is used to form a capacitor structure with a fingerprint and output an electrical signal when the amorphous switching element is conducted. According to the invention, the amorphous switching element and the first pole plate connected to the amorphous switching element are arranged, the electrical signal with fingerprint information are obtained by using the first pole plate, and a fingerprint image is obtained according to the electrical signal. The amorphous switching element and the first pole plate are integrated by using an amorphous silicon technology, and a crystalline silicon technology in the prior art is avoided, so that element manufacturing process difficulty can be effectively reduced, process complexity is reduced, an element manufacturing yield is improved, and element manufacturing costs are reduced.

The present invention relates to an electronic-controlled fuel injector of diesel engine common-rail injection system. Its control valve portion structure is characterized by that it has a throttle small orifice plate with fuel inlet orifice, a throttle large orifice plate with fuel-returning orifice and sealed cone and a regulating ring capable of regulating working gap of armature iron.

A phase change memory including a phase change layer, a first electrode, and a porous dielectric layer formed with a plurality of pores. The porous dielectric layer is formed between the phase change layer and the first electrode. Therefore, the phase change layer may make contact with the first electrode thorough the pores thereby decreasing the contact areas of the phase change layer and the first electrode.

The invention provides a piezoelectric excitation pulled silicon micro-resonant pressure sensor chip and a preparation method thereof. The pressure sensor chip mainly comprises a sealed glass cover, aresonator layer, a pressure sensitive film layer, a stress isolation pad, a piezoelectric excitation element and a resistance vibration pick-up element. A composite structure of a pressure sensitivediaphragm and a resonator is adopted. For a second sensitive mode, the resonator layer comprises a resonant beam and a torsion beam. An extension part at one end of two adjacent resonant beams is connected to the same suspended torsion beam, and the other end is connected to a mass block. A coupling beam is arranged in the middle of the mass block. The resonator is connected to an anchor point through a connection point. A pressure guide hole is formed in the stress isolation pad, and the pressure is delivered to the rectangular pressure sensitive diaphragm under the guidance of the pressure guide hole to cause deformation. The deformation is amplified by the anchor point, and delivered to the resonator layer. Piezoelectric actuators and resistive vibration pick-up elements are respectively arranged on the outer surface of the resonant beam and the coupling beam. The piezoelectric actuators and the resistive vibration pick-up elements are connected with an external circuit through leads respectively.

The invention relates to a semiconductor light-emitting device and a production method thereof, particularly relates to a graphic substrate for epitaxial growth and a production method thereof, comprising the following steps: a layer of Al is deposited on a baseplate; on the upper surface of the layer of Al, Al with certain thickness on the upper part of the layer of Al is converted to an Al2O3 structure with porous graphics by using an anodic oxidation method; the above mentioned structure is heated to a temperature which is above 1000 DEG C but below the melting point of Al2O3 step by step from low to high until an amorphous Al2O3 is converted to a layer of monocrystal Al2O3 and eventually a layer of sapphire structure is formed, thereby forming the baseplate, the layer of Al, a layer of sapphire structure with porous graphics from bottom to top. The production of the graphic-structure substrate does not need mask lithography process; the substrate has high reflective properties, thus the thermal stress of an epitaxial layer can be released effectively; and on the substrate, epitaxial growth is compatible with the conventional sapphire substrate epitaxial technology.

The invention discloses a planar gas sensor which comprises a casing and a gas sensor positioned in the casing. The gas sensor comprises a substrate as well as a heating resistive layer and a gas sensing layer sequentially arranged at the front of the substrate, and the heating resistive layer and the gas sensing layer are separated by an insulating medium layer. The invention also discloses a manufacturing method of the planar gas sensor. The manufacturing method comprises the following steps of: screen printing heating parallel strap-shaped gold electrodes; screen printing the heating resistive layer; overprinting the heating electrodes on the heating resistive layer; screen printing the gas sensing layer on the insulating medium layer; screen printing a gas sensing layer detection electrode on the insulating medium layer so as to form the gas sensor; and welding the gas sensor on a tube socket. In the planar gas sensor provided by the invention, the heating resistive layer and the gas sensing layer of the gas sensor are arranged at the same side of the substrate, thus through holes are not needed to be prepared for introducing the electrodes to the same side, and then the difficulty of the production process of the gas sensor is greatly reduced.

The invention discloses an atomization device and an ultrasonic humidifier, wherein the atomization device comprises a transducer, an atomization enhancing part and a buoyancy part, wherein the atomization enhancing part is arranged in liquid above the transducer in a floating manner and comprises a guide cylinder with a through hole, an axial center line of the through hole is consistent to an axial center line of the transducer, and the buoyancy part is connected with the guide cylinder and can floats on the surface of the liquid above the transducer. According to the invention, the existing ultrasonic humidifier is revolutionarily improved, when the liquid above the transducer is at any liquid level height, the atomization device and the ultrasonic humidifier provided by the invention can generate good atomization effect, thereby being adapted to a use environment with any liquid level height, greatly increasing the atomization efficiency, and having the advantages of high adaptability, simple structure, low material consumption, low manufacture cost, convenience in installation, easiness in cleaning and the like.

The invention relates to a pneumatic continuous needle-free syringe adopting control of a pneumatically-controlled slide column valve. The pneumatic continuous needle-free syringe comprises a main body part, a pilot valve and the pneumatically-controlled slide column valve, wherein the pneumatically-controlled slide column valve is arranged in a control valve casing (29) of the main body part, the pilot valve is triggered to control compressed air to drive the pneumatically-controlled slide column valve, and an air cylinder is driven by the pneumatically-controlled slide column valve to drive a plunger pump to pressurize a medicine liquor. When the pilot valve is triggered by a trigger, the quick shooting is realized; when the pilot valve is triggered by a handle, the quick shooting and automatic shooting are realized. The pneumatic continuous needle-free syringe has the characteristics that the shooting is quick, the flow jetting parameter is stable, the continuous transfusion repetitiveness is good, and the safety and reliability in use are realized; the medicine liquor can be accurately, quantitatively and quickly transfused into bodies of people and animals in a high pressure liquid column jetting way; when the people and the animals are transfused, the transfusion is completed through automatic shooting when a microporous jetting spray head is in effective contact with the people and animals and is in certain pressing state.

The invention discloses an organic electroluminescence display, an optical thin film stacking body of the organic electroluminescence display and a preparing method of the optical thin film stacking body. The optical thin film stacking body comprises a circular polaroid film layer, a protection film layer located on the incident side of the circular polaroid film layer, a binding layer located on the light-emitting side of the circular polaroid film layer and a water blocking oxygen film layer. The water blocking oxygen film layer is located between the light-emitting side of the circular polaroid film layer and the binding layer, and/or located between the incident side of the circular polaroid film layer and the protection film layer. Due to the fact that the optical thin film stacking body comprises the circular polaroid film layer and the water blocking oxygen film layer, the optical thin film stacking body has the anti-reflection function and the good water blocking oxygen property. When the optical thin film stacking body with the double functions is applied to the OLED, the problems, caused by secondary pasting, of the complex technological process, high cost and soft OLED crimping difficulty and the like are solved, and meanwhile the OLED can have the advantages of being lighter, thinner, better in displaying effect and the like.

The embodiment of the invention provides an antenna and a fabrication method thereof, and relates to the field of glass substrate antenna fabrication. By the antenna and the fabrication method thereof, the purposes of adjusting a resistance value of a glass substrate patch antenna on the basis of arranging a variable inductor and a variable capacitor without punching is achieved. The antenna comprises a first substrate, a second substrate, a first antenna electrode, a second antenna electrode, a microstrip line and a liquid crystal layer, wherein the first substrate and the second substrate are opposite to each other, the first antenna electrode is arranged at one side, far away from the second substrate, of the first substrate, the second antenna electrode is arranged at one side, far away from the first substrate, of the second substrate, the microstrip line is arranged at one side, near to the first substrate, of the second substrate, the liquid crystal layer is arranged between thefirst substrate and the second substrate, at least one driving electrode assembly is arranged between the first substrate and the second substrate, the driving electrode assembly is configured to adjust impedance of the antenna by controlling liquid crystal molecule deflection of the liquid crystal layer, and positive projection of the first antenna electrode on the second substrate and positiveprojection of the microstrip line on the second substrate are at least partially overlapped.

The preparation process of vanadium oxide film includes: cleaning substrate surface; sputtering vanadium film to the substrate in vacuum chamber after the substrate and the target being cleaned with parallel particle beam and focused particle beam; oxidizing the vanadium film in an annealing furnace heated in argon atmosphere and filled with oxygen to prepare vanadium oxide film; annealing the vanadium oxide film in pure argon atmosphere; and cooling in argon environment to room temperature. The said process results in compact film with high adhesion to the substrate, no need of strict control in reaction gas flow rate, high repeatability and capacity of preparing vanadium oxide film with different chemical composition for different requirement.

The invention discloses an etched diffraction grating-type wavelength division multiplexing/demultiplexing device. The etched diffraction grating-type wavelength division multiplexing/demultiplexing device includes an input waveguide, output waveguides, a free transmission slab waveguide region and an etched diffraction gratings; the input waveguide and the output waveguides are located at the same side of the free transmission slab waveguide region and are both connected with the free transmission slab waveguide region; the other side of the free transmission slab waveguide region is connected with the etched diffraction gratings; and grating surfaces of the etched diffraction gratings are of two-dimensional photonic crystal reflector structures. According to the etched diffraction grating-type wavelength division multiplexing/demultiplexing device of the invention, the two-dimensional photonic crystal reflector structures are adopted to replace grating surfaces of conventional etched diffraction gratings, and therefore, fabrication technique difficulty of the device can be effectively reduced, and large fresnel reflection loss between a grating medium and an air interface can be effectively decreased, thereby reducing the insertion loss of the device; full reflection of a single polarization mode can be realized, and full transmission of another polarization mode can be realized, and therefore, polarization maintaining of the device is maintained.

The invention discloses a liquid crystal display panel, a driving method thereof and a liquid crystal display device. The liquid crystal display panel comprises a first substrate and a second substrate which are arranged oppositely; multiple drive arrays formed by subpixel drive units are arranged on the opposite surfaces of the first substrate and the second substrate, multiple subpixel arrays formed by subpixels are arranged on the surface, opposite to the first substrate, of the second substrate, a black matrix is arranged between every two subpixels, and the subpixels correspond to the subpixel drive units one to one; each subpixel comprises a first subpixel region and second subpixel regions, wherein the first subpixel region is a colored subpixel region, and the second subpixel regions are white subpixel regions. The drive arrays control the first subpixel regions and the second subpixel regions. A liquid crystal molecular layer is arranged between the first substrate and the second substrate.

The invention discloses a chemiluminescence micro-fluidic chip, which comprises a chip body, a sample injection port arranged on the chip body, a liquid driving force inlet, a substrate chemiluminescent solution inlet, a rinse-solution inlet, a substrate chemiluminescent solution subchannel, a rinse-solution subchannel, a main fluid channel and multiple functional zones. The main fluid channel iscommunicated with the multiple functional zones. The invention also discloses an analytical instrument containing chemiluminescence micro-fluidic chip. According to the chemiluminescence micro-fluidicchip, identification positioning and quantification of liquid samples are realized through a specific liquid quantification zone, manufacturing difficulty of the chip is reduced, and detection accuracy is raised.

The invention belongs to the technical field of ultra-high-speed impact loading test, in particular to a three-stage light gas gun. The technical scheme of the three-stage light gas cannon driven by hydrogen-oxygen mixed detonation is: the ratio of the inner diameter of the first-stage pump tube to the inner diameter of the second-stage pump tube is 2 to 4, and the ratio of the inner diameter of the second-stage pump tube to the inner diameter of the launch tube Between 3 and 5; the aspect ratio of the primary pump tube is 3 to 5, the aspect ratio of the secondary pump tube is 4 to 7, and the aspect ratio of the launching tube is 1 to 2; the cone angle of the primary high pressure cone section The cone angle of the secondary high-pressure cone section is 5°-25°; the combustion chamber is filled with a mixture of hydrogen, oxygen and nitrogen, and the primary pump tube and the secondary pump tube are respectively filled with hydrogen gas to launch The tube is vacuumed. The invention adopts hydrogen-oxygen mixed gas as a driving source, has stronger loading capacity, low pollution, and stably launches a projectile with a mass of 1g at a speed exceeding 10km/s.

The invention provides a pixel structure, a mask plate and a display device, which belongs to the field of display technologies and can solve a problem that the aperture ratio of sub-pixels is limitedby a mask opening of the existing mask plate. The pixel structure comprises a plurality of repeating units which are arranged in an array mode, wherein each repeating unit is rectangular in outer contour and comprises four first sub-pixels, four second sub-pixels and four third sub-pixels, the four first sub-pixels are arranged at the center of the repeating unit in a 2*2 array mode to form a first sub-pixel group; the four second sub-pixels are respectively located at four sides of the repeating unit; the four third sub-pixels unit are respectively located at four top corners of the repeating unit; two adjacent second sub-pixels in any two adjacent repeating units form a second sub-pixel group, and the second sub-pixel group is polygonal or circular in outer contour; and four adjacent third sub-pixels in any four repeating units arranged in the 2*2 array mode form a third sub-pixel group.

The invention discloses a pure-phase spatial light modulator based on a metasurface. The pure-phase spatial light modulator comprises a lower substrate and an upper substrate, and the portion betweenthe upper substrate and the lower substrate is filled with a birefringent material with a dynamic phase modulation function; the lower substrate comprises a substrate with pixel point voltage modulation capability and a nano-structure array distributed on the substrate; the sizes and shapes of nanostructures in the nano-structure array are different, spatial distribution is uneven, the phase modulation amount generated by the nano-structure array can be changed by changing the geometric structure sizes of the nanostructures at different positions, and the static phase modulation function is achieved; phase modulation results of the birefringent material and the nanostructures are independent of each other; and an orientation layer is prepared in the surface, facing the birefringent material, of the upper substrate. The pure-phase spatial light modulator based on the metasurface effectively integrates a pixelated liquid crystal dynamic phase modulation function and a static phase modulation function of a nano-structure array metasurface.