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120results about How to "Increase the overlapping area" patented technology

Split gate type flash memory and forming method thereof

The invention discloses a split gate type flash memory which comprises a semiconductor substrate, a word line, two discrete storage bit units and oxidation layers, wherein the word line is located at the bottom surface of the semiconductor substrate; the two storage bit units are located at two sides of the word line; the oxidation layers are arranged between the two storage bit units and the word line; each storage bit unit comprises a first insulation layer which is located on the bottom surface of the semiconductor substrate, a floating gate which is located on the surface of the first insulation layer, a second insulation layer which is located on the surface of the floating gate, a control gate which is located on the surface of the second insulation layer and a side wall structure which covers the floating gate and the control gate; each floating gate comprises a first floating gate and a second floating gate; and the distance between each first floating gate and the word line is greater than the distance between each second floating gate and the word line. The distance between the first floating gates and the word line is greater than the distance in the prior art, so that the coupling capacitance between the floating gates and the word line is smaller than the capacitance in the prior art, the coupling capacitance between the word line and the floating gates is as small as possible and then the erasing efficiency and the read-write efficiency of the flash memory are improved.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP

Manufacturing method of assembly type prefabricated superposed beam with steel structure connection joints

The invention discloses a manufacturing method of an assembly type prefabricated superposed beam with steel structure connection joints. The manufacturing method comprises the following steps that first, main structures, located under the top face of a concrete part, of a superposed beam reinforcement cage and the steel structure connection joints are manufactured; second, the main structures of the steel structure connection joints are connected to the ends of the superposed beam reinforcement cage; third. A formwork is erected, then concrete is poured, and the concrete part of the prefabricated superposed beam is formed; fourth, the formwork is disassembled, and then the parts, protruding the top face of the concrete part, of the steel structure connection joints are welded on the top face of the main structures of the steel structure connection joints. The prefabricated superposed beam manufactured by the method enables the structure of beam column connection joints to be simple, and construction is convenient. According to the prefabricated superposed beam, under the loading effect, the steel structure connection joints can deform and absorb energy first, has good ductility under the earthquake load effect, and is suitable for being applied and popularized to a construction site.
Owner:TIANJIN UNIV RES INST OF ARCHITECTRUAL DESIGN & URBAN PLANNING +1

Semiconductor and forming method thereof

The invention provides a semiconductor and a forming method thereof, wherein the forming method of the semiconductor device comprises the following steps that a semiconductor substrate is provided, and a first interlayer dielectric layer is formed on the surface of the semiconductor substrate; a second interlayer dielectric layer is formed on the surface of the first interlayer dielectric layer; meanwhile, second interlayer dielectric layers in a first region and a second region are etched, a first groove is formed in the second interlayer dielectric layer formed in the first region, a second groove is formed in the second interlayer dielectric layer formed in the second region, in addition, the first groove comprises a first trench and a plurality of first through holes positioned at the bottom of the first trench, and a bulge is formed between the adjacent through holes; a metal blocking layer, an insulation layer and a third metal layer are sequentially formed in the first region, the metal blocking layer covers the bottom and the side wall of the first groove, and the metal blocking layer also covers the side wall and the top of the bulges. The semiconductor method and the forming method have the advantages that the mutual connection structure is formed, meanwhile, an MIM capacitor is formed, the unit area capacitance is increased, and the chip area is saved.
Owner:SEMICON MFG INT (SHANGHAI) CORP

Internal recycle photoelectron-catalytic oxidation combined treatment device

The invention discloses an internal recycle photoelectron-catalytic oxidation combined treatment device. According to the treatment device, a water inlet (2) is formed in the bottom of a treatment device cylinder (1) and is communicated with a circular water distributor (3); wastewater is uniformly distributed to the bottom of the device through the circular water distributor (3); a photoelectron-catalytic oxidation combined treatment system (4) is arranged above the circular water distributor (3); a sediment mud bucket (5) is arranged under the circular water distributor (3) and is communicated with a mud discharge hole (6); under the condition that a direct-current power supply is loaded to the photoelectron-catalytic oxidation combined treatment system (4), the wastewater is lifted to the top of the device from the bottom of a photoelectron-catalytic oxidation unit (7); part of the wastewater is discharged out from a water outlet (9) in the upper part of the device; another part of the wastewater is further circulated to the bottom of the photoelectron-catalytic oxidation unit (7) through a central partitioning cylinder (8) and is mixed with water, then circulation of the wastewater inside the photoelectron-catalytic oxidation combined treatment system (4) is achieved, mud dregs generated from reaction can be discharged out from the mud discharge hole (6) at regular time, and generated tail gases can be discharged out from a top tail gas treater (10).
Owner:CHINA NAT OFFSHORE OIL CORP +2

Tenon-and-mortise structure mortarless prefabrication assembled wall body building block

ActiveCN104989027ALight shockproofHigh strengthWallsSocial benefitsMortise and tenon
The invention discloses a tenon-and-mortise structure mortarless prefabrication assembled wall body building block, which is integrally formed by a pair of first cuboid sub building blocks in opposite arrangement and second cuboid sub building blocks clamped between the first sub building blocks in a staggered way, wherein parts, not in contact with the first sub building blocks, of the second sub building blocks form L-shaped tenons; and the parts, in contact with the second sub building blocks, of the first sub building blocks form L-shaped mortises. The wall body building block provided by the invention can be fast dismounted and mounted, can be cyclically used, and has the advantages that the structure is simple; a wall body is firm; the efficacy is high; and the cost is low, and the like. The goal of fast building the wall surface in indoor and outdoor positions can be achieved. Compared with a conventional technical product, the tenon-and-mortise structure mortarless prefabrication assembled wall body building block has the advantages that 90 percent of work hours can be saved; 70 percent of cost can be reduced; the mounting and the dismounting are very convenient and fast; the tenon-and-mortise structure mortarless prefabrication assembled wall body building block can be repeatedly used for many times; construction waste is not generated during dismounting or mounting; great benefits are achieved on environment and economy; and obvious social benefits are achieved.
Owner:GUANGXI CHENYU BUILDING MATERIAL SCI & TECH

Infrared ranging and guiding method applied to servo-actuated dolly

ActiveCN107463174AAccurately determine the mobile locationAccurately judge the directionPosition/course control in two dimensionsMoving speedMobile object
The invention relates to an infrared ranging and guiding method applied to a servo-actuated dolly. According to the method, a module erected by an infrared ranging sensor is used for detecting location information of a followed object in real time, thereby realizing guidance of a servo-actuated dolly by a moving object within a certain range. The method comprises the following steps that: (1), two infrared ranging sensors are arranged on the dolly to erect an infrared ranging sensor device; (2), a two-dimensional coordinate system is established between the dolly and a followed object, the sensors scan corresponding ranges at certain frequencies continuously, and initial position information of the followed object is record; (3), the dolly moves based on the changing location information to realize accurate determination of a moving location, a moving direction, and a moving speed of the followed object, so that the dolly moves by following the target at any time and avoids obstacles in front of the dolly. Therefore, an objective of accurate determination of a moving location, a moving direction, and a moving speed of a target object by a dolly is achieved; and thus the dolly moves by following the target at any time and avoids obstacles in front of the dolly.
Owner:SHENYANG POLYTECHNIC UNIV

Semiconductor device and manufacturing method therefor

The present disclosure relates to the technical field of semiconductors, and discloses a semiconductor device and a manufacturing method therefor. The method includes: providing a substrate structure, where the substrate structure includes: a substrate having a first device region and a second device region, a first dummy gate structure at the first device region, a second dummy gate structure at the second device region, and an LDD region below the first dummy gate structure. The first dummy gate structure includes a first dummy gate dielectric layer at the first device region, a first dummy gate on the first dummy gate dielectric layer, and a first spacer layer at a side wall of the first dummy gate. The second dummy gate structure includes a second dummy gate dielectric layer at the second device region, a second dummy gate on the second dummy gate dielectric layer, and a second spacer layer at a side wall of the second dummy gate. The method further includes removing the first dummy gate; etching back the first spacer layer to reduce a thickness of the first spacer layer; removing an exposed portion of the first dummy gate dielectric layer to form a first trench; and removing the second dummy gate and exposed second dummy gate dielectric layer to form a second trench.
Owner:SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORP +1
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