Abstract: The present invention provides a multimass MEMS gyroscope featuring an orthogonal arrangement, which comprises an anchor point unit, a sensing unit and a driving unit; the anchor point unit comprises a central anchor point subunit located at the center of a rectangle and four corner anchor points located at the four corners of the rectangle respectively; the sensing unit comprises four detection mass blocks each of which has a frame structure and is elastically connected between the central anchor point subunit and the corresponding corner anchor point, receding spaces being formed between the detection mass blocks, and four detection decoupling parts; and the driving unit comprises four driving mass blocks, and driving decoupling parts. The gyroscope can improve the arrangement area of transducers and reduce the mass of the detection mass blocks to improve the Coriolis gain, thereby improving the mechanical sensitivity of the gyroscope.

Abstract: The present invention relates to a macro plastic and micro plastic detection method based on RGB and hyperspectral image fusion, which includes the following steps: obtaining macro plastics and micro plastics; mixing with solid wastes to obtain a solid-phase substrate; pretreating the obtained solid-phase substrate to obtain a material; drying to remove part of moisture and coating on a quartz window sheet, drying until the moisture is completely removed, and flattening by using another quartz window sheet to obtain a material to be detected; obtaining an RGB image and a hyperspectral image of the material to be detected respectively by using a high-resolution color image scanner and a hyperspectral camera; fusing the obtained RGB image and hyperspectral image; and automatically classifying and identifying the macro plastics and the micro plastics by using a supervised classification model.

Abstract: A display substrate includes: a base substrate (100); a plurality of sub-pixels (R, G, B) located on the base substrate (100), every two rows of sub-pixels (R, G, B) constituting a pixel group; a plurality of first gate lines (Gate1) located at first row gaps between the pixel groups, two first gate lines (Gate1) being arranged at each first row gap; and a plurality of photosensors (101), the orthographic projection of each row of photosensors (101) on the base substrate (100) completely covering a second row gap in the pixel group and partially overlapping with the orthographic projections of the sub-pixels (R, G, B), thereby avoiding the bright and dark difference between adjacent rows and ensuring the aperture ratio.

Abstract: A semiconductor device manufacturing method includes: providing a semiconductor base; patterning the first medium layer to form a groove extending along the base in the base; forming a first auxiliary layer and a first metal layer sequentially in the groove, where the first metal layer is located on the side of the first auxiliary layer towards the first medium layer; thinning the base on the second surface of the base to expose the first auxiliary layer; removing the first auxiliary layer to form a first opening; and forming a second metal layer on the second surface of the base, where the second metal layer fills the first opening.

Abstract: The present invention provides a capacitive micromechanical acceleromete. The capacitive micromechanical acceleromete includes a base with anchor points, at least one detection structure pair arranged on one side of the base and elastically connected to the anchor points, and a detection electrode spaced apart from each detection structure pair. Each detection structure pair includes two seesaw structures elastically connected to the base respectively. The seesaw structures are asymmetric about a rotation axis where the anchor points are located; asymmetric portions of the two seesaw structures are reversed and parallel. In a detection modality, changing directions of spacings formed between the two seesaw structures and the detection electrode are opposite. The capacitive micromechanical acceleromete can reduce the impact of the noise of the angular acceleration of the external rotation or the stress and other external factors on the detection of the accelerometer, and improving the detection accuracy.

Abstract: Provided is a fully decoupled MEMS gyroscope, including an anchor point unit, a sensing unit elastically connected to the anchor point unit, and a driving unit configured to drive the sensing unit to move. The anchor point unit includes a center anchor point subunit located at a center of a rectangle and four side anchor points. The driving unit includes four driving members located on four sides of the rectangle. The sensing unit includes two X mass blocks symmetrically arranged in two avoiding intervals, two Y mass blocks symmetrically arranged in the other two avoiding intervals, four Z mass blocks respectively located at an outer side of each driving member, and four Z detection decoupling members respectively located at an outer side of each Z mass block. The X mass blocks and the Y mass blocks are respectively connected to each side anchor point.

Abstract: The present invention provides an accelerometer, including base, anchor points, seesaw structures elastically, and a differential detection assembly; the seesaw structures includes a first seesaw structure and a second seesaw structure which are parallel to each other and placed in reverse; the anchor points includes a first anchor point and a second anchor point; the first seesaw structure includes a first elastic member and a first mass block connected to the first elastic member; the first mass block is driven by a normal phase carrier drive signal from the first anchor point; the second seesaw structure includes a second elastic member and a second mass block connected to the second elastic member; and the second mass block is driven by a reversed phase carrier drive signal from the second anchor point. The accelerometer can effectively suppress the impact of noise of an angular acceleration of rotation.

Abstract: Disclosed herein are stretchable conductive ink compositions comprising a polymer, conductive flake, an additive, and optionally conductive beads, wherein the initial resistivity is measured before elongation, and wherein the resistivity at 50% elongation is about 10 times or less of the initial resistivity.

Abstract: The present invention relates to an energy harvester, including: a base; an electromagnetic coil fixed in the base; a disk-shaped stator magnet fixed at the center of the base; a friction plate fixing ring fixed on the base; at least one friction plate unit fixed on an inner side surface of the friction plate fixing ring; a disk-shaped rotor magnet whose bottom is in contact with the electromagnetic coil, wherein the disk-shaped rotor magnet is attracted and held to the disk-shaped stator magnet, and an outer surface of the disk-shaped rotor magnet is tangent to an outer surface of the disk-shaped stator magnet; and an annular friction plate fixed on the disk-shaped rotor magnet, wherein the annular friction plate and a friction plate are made of materials with different polarities. The foregoing energy harvester has a simple structure and high electrical energy output efficiency.

Abstract: Disclosed herein are stretchable conductive ink compositions comprising a polymer, conductive flake, an additive, and optionally conductive beads, wherein the initial resistivity is measured before elongation, and wherein the resistivity at 50% elongation is about 10 times or less of the initial resistivity.

Abstract: The present invention relates to an energy harvester, including: a base; an electromagnetic coil fixed in the base; a disk-shaped stator magnet fixed at the center of the base; a friction plate fixing ring fixed on the base; at least one friction plate unit fixed on an inner side surface of the friction plate fixing ring; a disk-shaped rotor magnet whose bottom is in contact with the electromagnetic coil, wherein the disk-shaped rotor magnet is attracted and held to the disk-shaped stator magnet, and an outer surface of the disk-shaped rotor magnet is tangent to an outer surface of the disk-shaped stator magnet; and an annular friction plate fixed on the disk-shaped rotor magnet, wherein the annular friction plate and a friction plate are made of materials with different polarities. The foregoing energy harvester has a simple structure and high electrical energy output efficiency.

Abstract: A nucleic acid isothermal amplification method is based on a polymerase spiral reaction using only one pair of primers. The method employs a self-spiraling amplification method, and has a high amplification efficiency.

Abstract: A nucleic acid isothermal amplification method is based on a polymerase spiral reaction using only one pair of primers. The method employs a self-spiraling amplification method, and has a high amplification efficiency.

Abstract: A mounting device for a display module includes a positioning member and an installation member. The positioning member includes a limiting portion and a positioning piece. The limiting portion defines a first receiving slot. The positioning piece defines a cutout. The installation member is secured to the positioning member and includes an elastically deformable limiting block. The installation member defines a second receiving slot and a limiting slot. A limiting rib is located on the limiting block and in the limiting slot. The first receiving slot and the second receiving slot rotatably receive a rotating shaft of the display module therebetween. The limiting block abuts a connecting shaft connected to the rotating shaft and blocks the connecting shaft in the limiting slot. The cutout is adapted to receive the connecting shaft when the rotating shaft is rotated to rotate the connecting shaft out of the limiting slot.

Abstract: Electronic device enclosure includes a base plate, a bracket, and a sliding pole slidably mounted to the bracket. The base plate includes a number of protrusion portions. A locking hole is defined in each of the number of protrusion portions. The locking hole includes two opposite first sides and two opposite second sides. A resisting block extends from the sliding pole. The resisting block includes two opposite third sides and two opposite fourth sides. The third sides are aligned to the corresponding first sides. The resisting block is passed through and rotated in the locking hole. The third sides are misaligned to the corresponding first sides. The resisting block is locked in the locking hole to mount the bracket to the base plate.

Abstract: A circuit board mounting assembly includes a chassis with a securing hole, a circuit board attached to the chassis, a drive bracket mounted in the chassis, and a latch member configured to latch the circuit board. The drive bracket comprises at least one clamp engaged with the circuit board for preventing the circuit board from moving along a first direction. The latch member comprises a retractable post movable between a latched position and an unlatched position along the first direction. When the retractable post is in the latched position, the retractable post is received through the securing hole for preventing the circuit board from moving along a second direction perpendicular to the first direction, thereby locking the circuit board to the chassis. When the retractable post is in the unlatched position, the retractable post is removed from the securing hole for unlocking the circuit board.

Abstract: A hard disk drive enclosure includes a housing and an operation module attached to the housing. The operation module includes a mounting block attached to the housing, a handle pivotably attached to the mounting block, and a sliding member slidably attached to the handle. When the handle is rotated to a closed position, the handle abuts against the mounting block, and the sliding member is slidable between a first position, in which the sliding member is latched to the mounting block for locking the handle at the closed position, and a second position, in which the sliding member is unlatched from the mounting block and the handle is rotatable away from the closed position to an open position. When the handle is rotated to the open position, a free end of the handle is spaced away from the mounting block.

Abstract: A plug device, for engaging a first connector with a second connector or disengaging the first connector from the second connector, includes a base, an operation platform, a sliding member, and an operation assembly. The operation platform is secured to the base. The operation platform is used for securing the second connector and support the first connector. The sliding member is used for grasping the first connector. The operation assembly includes a handle. The handle is rotatable relative to the base to slide the sliding member relative to the operation platform, so that the first connector is engaged with the second connector or disengaged from the second connector.

Abstract: A fan mounting apparatus includes an operating platform, a mounting base, multiple mounting members, multiple pushing members, and multiple driving members. The mounting base is located on the operating platform and configured to mount a fan frame. The multiple mounting members are rotatably connected to the mounting base and configured to mount the multiple fan brackets. The multiple pushing members are configured to push the multiple mounting members. The multiple driving members are configured to push the multiple pushing members. In an original state, the multiple mounting members are substantially parallel to the mounting base. When the multiple pushing members are pushed out of the operating platform by the multiple driving members, the multiple mounting members rotate relative to the mounting base and resist against the fan frame, and the multiple fan brackets on the multiple mounting members are mounted to the fan frame.