1047 results about "Central region" patented technology

An acoustic wave device, a radio frequency filter and an electronics module are provided. The acoustic wave device, comprises a layer of piezoelectric material, a pair of interdigital transducer electrodes disposed on an upper surface of the layer of piezoelectric material, each interdigital transducer electrode including a bus bar and a plurality of electrode fingers extending from the bus bar through a central region of the interdigital transducer electrode towards an edge region of the interdigital transducer electrode, each of the plurality of electrode fingers having a width in a direction perpendicular to the extension of the electrode fingers that is smaller in the edge regions than in the central regions, and trench portions located in the upper surface of the layer of piezoelectric material, the trench portions overlapping with the edge regions of the interdigital transducer electrodes. The acoustic wave device provides effective suppression of transverse modes.

The invention discloses a spiral resonance photoacoustic cell and an operation method, the spiral resonance photoacoustic cell comprises a gas chamber straight tube, a spiral tube, an optical fiber collimator and an optical fiber F-P sonic sensor, the two ends of the gas chamber straight tube are open, the two ends of the spiral tube are communicated with the gas chamber straight tube, an acoustic resonance point is formed at the center of the spiral tube, and the optical fiber F-P sonic sensor is arranged in the central area of the spiral tube; and the optical fiber collimator is arranged at one end of the air chamber straight pipe. The spiral pipe is wound outside the air chamber straight pipe, the spiral pipe is communicated with the air chamber straight pipe, the structural design of the spiral pipe enables the spiral pipe to form acoustic resonance at a specific frequency, and the optical fiber F-P sonic sensor obtains a photoacoustic signal; compared with a conventional resonance photoacoustic cell, the physical volume of the resonance photoacoustic cell is greatly compressed, and the system integration level is effectively improved. More importantly, under the condition that a compact appearance similar to that of a non-resonant photoacoustic cell is kept, the device amplifies the photoacoustic signal intensity by several times through an acoustic resonance effect, and the detection sensitivity and the signal-to-noise ratio of the system are remarkably improved.

A method of forming a bonding contact, a bonding structure and a semiconductor device are disclosed. The method includes forming a bonding layer. The bonding layer comprises a central region and a peripheral region. A second conductive material layer is deposited onto the surface of the bonding area, forming a capping layer. The second conductive material layer is a different conductive material from a first conductive material layer. A portion of the capping layer in the central region is removed to expose the first conductive material layer, thereby forming the bonding contact having the remaining portion of the capping layer.

The invention discloses wafer cleaning equipment, a wafer chuck thereof and a wafer cleaning method, and belongs to the technical field of semiconductor process equipment. The wafer chuck comprises a chuck base body, an air injection assembly and a plurality of wafer lifting shafts, the air injection assembly and the wafer lifting shafts are arranged on the chuck base body, the chuck base body is provided with a bearing face used for bearing a wafer, and an air outlet of the air injection assembly is located in the central area of the bearing face and used for injecting air between the bearing face and the wafer. The multiple wafer lifting shafts are distributed on the periphery of an air outlet of the air injection assembly in the circumferential direction of the bearing face in a surrounding mode, each wafer lifting shaft can move relative to the chuck base body, each wafer lifting shaft is provided with an arc-shaped inclined table, each arc-shaped inclined table is provided with an inclined extending face extending in the circumferential direction of the corresponding wafer lifting shaft, and the inclined extending faces are used for bearing the edge of a wafer. When the wafer lifting shaft moves relative to the chuck base body, the wafer can move to different height positions along the inclined extending face. According to the invention, the height of the wafer can be accurately positioned, and the wafer cleaning efficiency is improved.

To provide a wearable article for pets that can ensure a good fit while suppressing excessive pressure on the genitals. [Solution] The wearing article 1 is a pet wearable article to be worn by wrapping it around the waist of a pet, and to which an absorbent article 100 is attached. The main body 2 of the wearing article 1 has a space-forming portion 4 that forms a space S extending in the front-to-rear direction D2 for positioning the pet's genitals when the wearing article 1 is worn. The space-forming portion 4 has a central region R1 obtained by dividing the main body 2 into thirds in the front-to-rear direction D2, and a pair of side regions R2, R3 located on both sides of the central region R1 in the front-to-rear direction D2. The central region R1 is configured to protrude toward the pet's non-skin side Z2 beyond at least one end R2a, R3a of the pair of side regions R2, R3, regardless of whether the pair of side regions R2, R3 are stretchable in the waist-circumference direction D1.

According to the splicing type Ritchey-Common detection method and system based on neural network model training, the sensitivity rules of aberration orders and Ritchey angles are combined, angle differentiation configuration is combined with reconstruction of the marginal area weight through a fusion detection model, and therefore on the premise that no sensitive blind area exists, the detection accuracy is improved, and the detection efficiency is improved. The influence of weak edge aberration signals is counteracted, so that the deviation between the detection precision of the edge region and the central region can be remarkably reduced, full-order high-precision detection of large-aperture plane mirror aberration is realized, particularly, the detection precision of the edge region aberration is remarkably improved, and the detection precision of the large-aperture plane mirror aberration is improved. The problems that in a traditional method, the precision deviation between an edge area and a center area is large, and full-order aberration coverage is insufficient are solved.

The invention discloses a region segmentation and spraying track planning method and system of a mobile composite spraying robot and a storage medium, and belongs to the technical field of industrial robots. The method comprises the steps that a workpiece point cloud is obtained through a three-dimensional camera and preprocessed; extracting a central region based on statistical characteristics, and segmenting the point cloud into plane and curved surface sub-regions by adopting an improved RANSAC algorithm; generating a grating path for the plane area, and generating a path for the curved surface area through Poisson reconstruction, adaptive slicing and two-dimensional projection planning; uniformly controlling the attitude of the spray gun and the normal included angle, and sectionally setting the slice spacing according to the curvature radius; and finally, multi-station spraying is completed through cooperation of the AGV moving platform. According to the full-automatic spraying device, the dependence of traditional spraying on a CAD model is overcome, the technical problems that large workpieces are difficult to cover and the uniformity of curved surface spraying is poor are solved, and high-quality and full-automatic spraying of large complex components is achieved.

A floor cleaning / refurbishment pad that includes a support layer, the support layer having a central region and an outer peripheral edge defining an outer support layer dimension, a loft material layer overlaying the support material layer and connected thereto, the loft material composed of at least one loft material and the microfiber loft material layer having a height HL and an outwardly facing surface and an agitator / abrasive strip overlaying a portion of the support material layer and connected thereto, the agitator strip having a height HA and an outwardly facing surface.

Aspects of the disclosure provide a first lens. The first lens can include an optically transparent member having a first surface and a second surface. The optically transparent member can be configured to receive light from a display device via the first surface. The received light exits the optically transparent member through the second surface. The first surface and the second surface of the optically transparent member can be aspheric. An in inner surface of the first surface is convex, and an outer surface of the first surface is concave. The inner surface is surrounded by the outer surface of the first surface. A thickness of a central region of the first lens can decrease from a center of the first lens, anda thickness of a peripheral region of the first lens can increase from a boundary of the central region.

A separator for a fuel cell includes a rectangular plate-shaped body. The body forms passages through which gas flows. The body includes central regions and a reversing region. The central regions extend along one side of the body, and are arranged in a direction in which another side of the body that intersects the one side extends. The passages include multiple central passage sections that extend in the longitudinal direction through each central region, and a reversing passage section that extends through the reversing region and connects the central passage sections of adjacent ones of the central regions. The ribs are formed such that two or more of the central passage sections are formed in each of the central regions, and the reversing passage section in the reversing region is connected to two or more of the central passage sections in the corresponding central region.

The invention discloses a display panel and a display device. The display panel comprises a plurality of pixel units, and each pixel unit comprises a shared pixel and a peep-proof pixel. The shared pixels at least comprise a first color shared pixel and at least one second color shared pixel; the peep-proof pixels at least comprise at least one second color peep-proof pixel; the first color sharing pixel is located in the central area of the pixel unit, and the second color sharing pixel and the second color peep-proof pixel are symmetrical about the center of the first color sharing pixel; in the sharing mode, the first color sharing pixel and the second color sharing pixel emit light, and the second color peep-proof pixel does not emit light; in the peep-proof mode, the first color sharing pixel and the second color peep-proof pixel emit light, and the second color sharing pixel does not emit light. The first color sharing pixel is set to be in a light-emitting state in the sharing mode and the peep-proof mode, only the opening states of the second color sharing pixel and the second color peep-proof pixel are adjusted, and the normal display effect and the peep-proof effect are guaranteed.

The invention relates to a dual-mass-block three-axis acceleration sensor and a processing method thereof. The sensor comprises an X-axis and a Y-axis which are arranged on a first mass block, and a Z-axis which is independently arranged on a second mass block. The X-axis movable comb tooth structure and the Y-axis movable comb tooth structure are arranged outside the first mass block; the movable comb tooth structure of the Z axis is arranged in a central area between the first mass block and the second mass block, and an included angle of 135 degrees or 45 degrees is formed between the extension direction of the movable comb tooth structure of the Z axis and the extension directions of the movable comb tooth structures of the X axis and the Y axis; the first elastic supporting piece is connected to the first mass block and the substrate and used for sensing the X-axis acceleration and the Y-axis acceleration. The second elastic supporting piece is connected to the second mass block and the substrate and used for sensing the Z-axis acceleration. The fixed comb tooth structures of the X axis, the Y axis and the Z axis are fixed to the substrate through anchor points and arranged in a staggered mode with the movable comb tooth structures. The X-axis, the Y-axis and the Z-axis are arranged on different mass blocks, the comb tooth structure forms an included angle, the cross-axis sensitivity is reduced, and the size is reduced.

This reduces the likelihood that devices contained in a plate-like material will be damaged and / or that chips manufactured from the plate-like material will detach from the first and / or second sheets due to the application of external force to the plate-like material. [Solution] A fastening device for fastening a second sheet to a frame unit, which includes a frame having a through hole formed therein, a first sheet whose outer edge region is fixed to the frame so as to close one end of the through hole, and a plate-like object fixed to the central region of the first sheet so as to be positioned in the through hole, wherein the fastening device comprises a holding mechanism for holding the frame unit and a fastening mechanism for fastening the second sheet to the frame unit, the holding mechanism including a holding portion for applying an attractive force to the plate-like object through the central region of the first sheet and a raised portion for raising an intermediate region of the first sheet located between the outer edge region and the central region toward or beyond the other end of the through hole.

The application provides a semiconductor device and a preparation method thereof, wherein the gate dielectric layer comprises a first edge region and a first central region, the thickness of the first edge region is greater than that of the first central region, and the source-drain region is formed in the semiconductor substrate on both sides of the gate dielectric layer. Since the thickness of the first edge region of the gate dielectric layer is greater than that of the first central region, the electric field intensity of the first edge region of the gate dielectric layer can be reduced, the longitudinal electric field intensity near the source-drain region is reduced, the injection energy of the electrons is reduced, the difficulty of the electrons to inject into the gate through the first edge region of the gate dielectric layer is increased, the hot carrier injection effect of the device is improved, the reliability of the device is improved, and the risk of circuit failure in the device is reduced.

The invention provides a preparation method of a cover plate assembly, the cover plate assembly and a battery monomer, and the preparation method of the cover plate assembly comprises the following steps: a trepanning step: forming a through hole in a plate; the through hole penetrates through the first surface and the second surface of the plate; a pole processing step: forming a first end surface at one end of the columnar pole body and a first bulge surrounding the first end surface; a first area and a second area are formed on the first end face, the first area is the center area of the first end face, and the second area surrounds the first area; an assembling step: at least inserting the pole body into the through hole; and a fixing step: moving the mold towards the first end face along the first direction and extruding the inner wall of the first bulge, so that the first bulge is outwards bent along the radial direction of the pole body and is close to the plate, and the second area is used for abutting against the end face of the mold and limiting the mold to continuously move so as to prevent the end face of the mold from being in contact with the first area. The preparation method of the cover plate assembly, the cover plate assembly and the battery cell provided by the invention have better safety.

A mounting bracket for assembling a first component and a second component includes: a bracket body rotatable relative to the two components; the mounting bracket is mounted on the first component and includes a circular array of fastener through-holes through each fastener through-hole and into a threaded hole in the first component to fasten the mounting bracket to the first component. A locator pin protrudes from the central region of the bracket body, the locator pin being inserted into a pin aperture in the second component, thereby attaching the mounting bracket and the first component to the second component. A pair of fastener holes are positioned diametrically opposite one another across the locator pin and both are positioned at a common radial distance from the locator pin. Another pair of fastener holes are positioned diametrically opposite one another across the locator pin, and each fastener hole is positioned at a different distance from the locator pin.

The invention relates to a platform (1) for arranging at least one item of furniture or household appliance on the platform (1), the platform comprising a base (2) and a support element (3) which is mounted so as to be movable relative to the base (2) both translationally and rotationally at the same time, wherein: the base (2) and the support element (3) have mutually facing planar bearing regions (21, 33); guide tracks (22, 34) are arranged in at least one of the bearing regions (21, 33) and guide elements (4), which are guided in or on contours of the guide tracks (22, 34), are arranged in the other of the bearing regions (21, 33), such that the support element (3) is rotatable relative to the base (2), at least in part under positive guidance, in one of two possible opposite directions of rotation (R1, R2) and movable in a predetermined translational direction (A1, A2); the guide tracks (22, 34) are shaped such that, when a torque is applied to the support element (3), the support element (3) can be moved from a starting position via an intermediate position, in which the support element (3) is rotated relative to the base (2) in one of the two possible opposite directions of rotation (R1, R2) and is displaced in the translational direction (A1, A2), by continued rotation in said one of two possible opposite directions of rotation (R1, R2) and displacement counter to the translational direction (A1, A2), into an end position which is congruent with the starting position or is offset therefrom by a distance in a translational direction (x); at least one sliding or rolling element (5) is fastened to the support element (3) in order to provide movable support for the platform (1) on a floor surface or functional floor (10); at least one support element (6, 7) protruding from the bearing region (21, 33) is arranged in at least one of the bearing regions (21, 33); and the at least one support element (6, 7) is arranged in a central region of the bearing region (21, 3

The invention relates to an anti-dazzle glass dot matrix arrangement method and anti-dazzle glass, and the anti-dazzle glass dot matrix arrangement method comprises the following steps: setting an initial round dot in a central area of a layout area, and annularly generating a first round chain by taking the initial round dot as a center; a common circumscribed circle is generated outwards with the starting circle point and the end point circle point of the first circular chain as the reference to serve as a first circular chain extension circle point, and a second circular chain is generated outwards in the clockwise direction or the anticlockwise direction with the first circular chain extension circle point as the center; and sequentially generating second round chain extension dots along the generation direction of the second round chain, sequentially generating a next round chain along the generation rule of the second round chain and the second round chain extension dots, and stopping the generation of the round chains until the layout area is full of the round chains.

The utility model discloses a self-adhesive agricultural mulching film, which relates to the technical field of agricultural mulching films, and comprises a middle film, two sides of the middle film are fixedly connected with side films, the mulching film is in cohesive connection with ground soil through a cohesive layer at the bottom of a cohesive weed suppression layer, and the design of ensuring the cohesive gradient ensures that the cohesive of a central area is larger. After the sticky protrusions are combined with the soil, the laying efficiency of workers is improved, fixing through U-shaped nails is not needed, physical loss is reduced, the labor intensity of the workers is reduced, the sticky strength of the edges is small, film uncovering is facilitated, the film uncovering speed is increased, and the waste film recycling speed is increased. A plurality of groups of dividing holes are arranged in sequence to realize temperature adjustment and promote plant growth, the directional flow guide grooves adopt the design of V-shaped grooves, namely the design of inclination angles, so that the rainwater diversion efficiency is improved, drainage can be helped, and waterlogging damage to roots can be effectively prevented; and the problem that the mulching film is lifted due to overlarge wind force is effectively prevented.

The application discloses a coreless ring-shaped heat uniformizing plate, which comprises two housings arranged in an upper and lower mode, the two housings are connected to form a sealed cavity, a central region of the sealed cavity is an evaporation region, and a surrounding region of the sealed cavity is a condensation heat exchange region; a plurality of groove structures are arranged in a ring mode in the sealed cavity, a unidirectional valve system is arranged between two adjacent groove structures, an inlet of the unidirectional valve system is communicated with a tail end of a previous-stage groove structure located in the condensation heat exchange region, and an outlet of the unidirectional valve system is communicated with a head end of a next-stage groove structure located in the evaporation region, so that liquid working medium of the previous-stage groove structure flows to the next-stage groove structure, the groove structures are sequentially connected in a head-to-tail mode through the adjacent unidirectional valve systems, and an internal flow channel located in the sealed cavity is formed to supply unidirectional circulation of working medium. The application can solve the problems of manufacturing difficulty, insufficient capillary force, increased flow resistance and low heat transfer limit caused by a liquid absorbing core of a traditional heat uniformizing plate.

A yarn take-up device is provided. A take-up device (25) of a spinning machine takes up a spun yarn (5) supplied from a spinning device (22) to form a package (7). In a case where the spun yarn (5) is broken, a joint device (82) performs joint of the spun yarn (5) on the spinning device (22) side and the spun yarn (5) on the package (7) side. In a case where the spun yarn (5) is broken, a suction device (24) can catch the spun yarn (5) on the package (7) side, and a suction pipe (83) can catch the spun yarn (5) on the spinning device (22) side. The spinning machine has a plurality of spinning units (2). The take-up device (25) of each spinning unit (2) has a package rotation device and a traversing device (73). In a case where the spun yarn (5) is broken between the spinning device (22) and the take-up device (25), at least one of the package rotation device and the traversing device (73) is operated before joint by the joint device (82), thereby bringing the spun yarn (5) on the package (7) side close to a central region in a take-up width direction of the package (7).

A pin fastener includes a body extending along a longitudinal axis, the body having a first side, a second side, a first end region, a second end region, and a central region therebetween. A first angular projection is positioned adjacent the central region of the body and extending away from the longitudinal axis, a stop is positioned adjacent the second end region. The first end region has a first width and a first height, and the second end region has a second width and a second height, and the first width is smaller than the second width and the first height is smaller than the second height.

The present disclosure relates to IC structures including a porous semiconductor layer located beneath a channel isolation proximate to a source / drain region. An integrated circuit (IC) structure includes an active device located above a bulk semiconductor substrate, and an isolation structure in the bulk semiconductor substrate surrounding the active device. The active device includes a semiconductor layer having a central region, a first end region laterally spaced apart from the central region by a first trench isolation, a second end region laterally spaced apart from the central region by a second trench, a gate located above the central region, and a source / drain region located in each of the first and second end regions. The isolation structure includes a polysilicon isolation layer located beneath the active device, a third trench isolation surrounding the active device, and a porous semiconductor layer located between the first trench isolation and the polysilicon isolation layer and between the second trench isolation and the polysilicon isolation layer.

According to the integrated clamp for grinding and detecting the lap joint surfaces of the graphite multi-valve rings, lap joints are arranged at the two ends of each graphite ring, the integrated clamp comprises a base, a measuring piece and a fixing block, a positioning mandrel is arranged in the center area of the top face of the base, the outer ring size of the positioning mandrel is matched with the inner ring surface of the whole graphite ring, and the measuring piece is arranged on the inner ring surface of the whole graphite ring. A plane notch is formed in any diameter direction, the length of the notch is matched with the length of the fixing block, and the plane notch is used for installing the fixing block; the fixing block is used for installation of a measuring piece, the meter reading end of the measuring piece is far away from the positioning mandrel, the measuring end of the measuring piece faces the positioning mandrel and is provided with a movable meter head, and an avoiding groove is formed in the position, between the fixing block and the position adjacent to the positioning mandrel, of the base. The avoiding groove can ensure that the measuring end of the measuring piece and the positioning mandrel are in the same axial direction, so that the gauge outfit can be in contact with the lap joint, and the use efficiency is improved.

The invention provides an F-P spectral imaging system and method, and belongs to the technical field of spectral component measurement, and the system comprises a front lens which is used for collecting light energy and converting the light energy into emergent light meeting the limitation of the clear aperture of an F-P interferometer; the annular band optical filter comprises a central area and a plurality of concentric annular areas surrounding the central area, the bandwidth of each area is the same as the free spectral range of the F-P interferometer, and the annular band optical filter is used for eliminating level aliasing in emergent light of the front lens; the F-P interferometer is used for carrying out wavelength selection on emergent light of the annular band optical filter and outputting an interference field; the imaging mirror is used for projecting the interference field to the detector; and the detector is used for converting the projected optical signal into a digital electric signal. The F-P spectral imaging system which can maintain high spectral resolution and also can realize wide spectrum coverage is constructed by introducing the annular band optical filter which is accurately matched with the FSR of the F-P interferometer.

The present invention relates to a high frequency output device comprising: a base; and an electrode formed on the base and outputting a high frequency to the skin when power is applied, wherein the electrode includes, in an electrode region including from the center to the outermost periphery, a central region, an edge region, and an intermediate region between the central region and the edge region, has a maximum value of electrode density in the central region, has a minimum value of the electrode density in the edge region, and has a value in which the electrode density is equal to or less than the maximum value and equal to or greater than the minimum value in the intermediate region, and the electrode density is an area ratio in which the electrode is formed per unit area of the base.

The invention provides a sample preparation method for PN junction profile contour failure analysis, and the method comprises the following steps: obtaining and cutting a defective wafer, obtaining a to-be-detected wafer, and enabling the defect to be located in the central region of the to-be-detected wafer; after the defect is marked, cutting the wafer to be detected to obtain a rough cutting sample, and enabling the defect to be positioned in a corner area of the rough cutting sample; etching the roughly-cut sample to expose a working area of the roughly-cut sample, and dyeing the working area of the roughly-cut sample; and thinning the rough cut sample to a thickness which can be observed by an electron microscope to obtain a sheet sample. The invention provides a sample preparation method for PN junction profile contour failure analysis, which can simply and accurately position a failure position.

An absorbent article is provided that can further improve the fit relative to the excretion opening by utilizing a central pleat. The absorbent article (1) comprises: an absorbent body (30) having absorbent material; a top sheet (21) disposed in a central region (R10) of the width center (1CW) of the absorbent article, which abuts against the wearer's skin; and a central pleat (40) disposed between the top sheet and the absorbent body, which raises the top sheet toward the skin side (T1) in the central region. The central pleat has a central telescopic member (42) that extends at least in the front-back direction. The central pleat is engaged with the top sheet at a pair of first joints (45) on both sides relative to the width center of the article, and engaged with the absorbent body at a pair of second joints (46) on both sides relative to the width center of the article.

A semiconductor structure and a method for fabricating the semiconductor structure are provided in the present disclosure. The method includes providing a substrate, wherein the substrate includes a plurality of first regions to-be-etched extending along a first direction; a first region to-be-etched includes a central region and an edge region adjacent to each of two sides of the central region; and a material layer to-be-etched is on the substrate; forming a plurality of discrete initial mask structures on the material layer to-be-etched; etching initial mask structures at the edge region till a surface of the material layer to-be-etched is exposed to form a plurality of mask structures; using the plurality of mask structures as a mask, etching the material layer to-be-etched to form a plurality of discrete layers to-be-etched; and removing layers to-be-etched at the central region till a surface of the substrate is exposed.

The invention relates to a crucible assembly for physical vapor deposition on a surface, the crucible assembly comprising: - a susceptor (22) for supporting and driving a crucible (18) in rotation about an axis of rotation (A), the susceptor comprising a susceptor upper surface (34) having a first alignment relief (30), - a crucible (18) comprising: - at least one cavity (24) arranged at a peripheral region (38) of the crucible (18) with respect to the axis of rotation (A), - a crucible bottom surface (25) intended to contact the susceptor upper surface (34) of the susceptor (22), the crucible bottom surface (25) having a second alignment relief (32) complementary in shape with respect to the first alignment relief (30), the second alignment relief (32) being arranged at a central region (36) of the crucible (18) with respect to the axis of rotation (A).