30results about How to "Keep flat" patented technology

A method of turning a medical device, having a magnetically responsive element associated with its distal end, at an operating point within an operating region inside a patient's body from an initial direction to a desired final direction, through the movement of at least one external source magnet. The at least one external source magnet is moved in such a way as to change the direction of the distal end of the magnetic medical device from the initial direction to the desired final direction without substantial deviation from the plane containing the initial direction and the desired final direction.

Disclosed is a radiation imaging device configuring a radiation imaging system. Specifically disclosed is a radiation imaging device wherein external force action mechanisms are capable of applying external force to the peripheral sections of a radiation conversion panel, or applying the external force while being laminated on the radiation conversion panel, or pressing the radiation conversion panel against the inner wall of a panel containing unit, which contains the radiation conversion panel, at least in imaging when radiation is applied.

A heat sink includes a base plate and a plurality of heat dissipating fins upwardly extending from the base plate. Each fin includes a heat dissipating portion and a connecting portion integrated with the base plate by punching whereby concave sections are left in the connecting portion. The fins can be formed in various shapes by shearing and bending or by bending a metal sheet. A method for making a reliable heat sink includes a preparing step, a punching step and a flattening step. The preparing step comprises manufacturing a base plate and a plurality of fins each including a connecting portion and a heat dissipating portion. The punching step comprises punching the connecting portions of the fins against the base plate thereby integrating the connecting portions with the base plate, forming concave sections in the connecting portion and convex sections on an opposite lower surface of the base plate. The flattening step comprises flattening the convex sections of the base plate to maintain the planarity of the base plate.

A material for an organic electroluminescence device including an indenofluorenedione derivative shown by the following formula (I):wherein X1 and X2, which may be the same or different, are any of specific divalent groups; R1 to R10, which may be the same or different, are a hydrogen atom, an alkyl group, an aryl group, a heterocycle, a halogen atom, a fluoroalkyl group, an alkoxy group, an aryloxy group or a cyano group; and R3 to R6 or R7 to R10 may be bonded to each other to form a ring.

The invention relates to a dynamic corn seed image acquisition conveying mechanism comprising a conveying belt and a belt wheel. The conveying belt comprises a corn seed positioning profiling groove part, a balance layer part and a middle layer part; the belt wheel comprises a wheel core and a blocking piece. Conveying belt corn profiling grooves are evenly distributed in rows in the upper plane of the conveying belt and have a good positioning function on corn seeds so that the corn seeds can keep a flat state. Balance layers are arranged on the opposite sides of the corn profiling grooves in the surface of the conveying belt, and the balance layers reduce mass difference on the two sides of the conveying belt, and eliminate deviation generated in the process that the corn seeds are conveyed through the conveying belt. Middle layers are arranged between the corn profiling grooves and the balance layers, the middle layers are thicker than the two sides of the conveying belt, the whole conveying belt can be well supported in the conveying process to keep a stable state, and the strength of the conveying belt is guaranteed. The mechanism is used for recognizing dynamic corn seed purity through machine vision and acquiring images of the corn seeds in variation tests, the defect of the method that the corn seeds are vertically placed manually is overcome, the problem that the method cannot adapt to circulation on-site work easily and the purity recognition site of the corn seeds is limited is solved, and the dynamic corn seed image acquisition conveying belt is provided and can be carried to adapt to circulation on-site work.

A material for an organic electroluminescence device including an indenofluorenedione derivative shown by the following formula (I):wherein X1 and X2, which may be the same or different, are any of specific divalent groups; R1 to R10, which may be the same or different, are a hydrogen atom, an alkyl group, an aryl group, a heterocycle, a halogen atom, a fluoroalkyl group, an alkoxy group, an aryloxy group or a cyano group; and R3 to R6 or R7 to R10 may be bonded to each other to form a ring.

A heat sink includes a base plate and a plurality of heat dissipating fins upwardly extending from the base plate. Each fin includes a heat dissipating portion and a connecting portion integrated with the base plate by punching whereby concave sections are left in the connecting portion. The fins can be formed in various shapes by shearing and bending or by bending a metal sheet. A method for making a reliable heat sink includes a preparing step, a punching step and a flattening step. The preparing step comprises manufacturing a base plate and a plurality of fins each including a connecting portion and a heat dissipating portion. The punching step comprises punching the connecting portions of the fins against the base plate thereby integrating the connecting portions with the base plate, forming concave sections in the connecting portions and convex sections on an opposite lower surface of the base plate. The flattening step comprises flattening the convex sections of the base plate to maintain the planarity of the base plate.

The invention discloses a welding device and a welding method thereof which are used for welding a first work piece and a second work piece. The welding device consists of a first temperature controlling device and a second temperature controlling device; the first temperature controlling device further comprises a first temperature controlling tool and a first body; and the second temperature controlling device further comprises a second temperature controlling tool and a second body. The first temperature controlling device and the second temperature controlling device can coordinate with each other to clamp the first work piece and the second work piece, thereby sticking the first work piece to the second work piece. The first temperature controlling device provides a relative low temperature to the first work piece; the second temperature controlling device provides a relative high temperature to the second work piece; and the two work pieces are welded. Therefore, the surface of the welded work pieces has excellent flatness.

The invention discloses a rapid arranging ironing device for garment processing. The device mainly comprises an outer frame, a bracket, a vacuum pump, a steam generator and a tensioner, wherein the vacuum pump is fixedly mounted at the left part of the top end of the bracket, a reversing valve is fixedly mounted on the front side wall of the upper part of the bracket, an air inlet of the vacuum pump is fixedly communicated with an air outlet of the reversing valve through a hose, the steam generator is fixedly mounted at the right part of the top end of the bracket, and a hanging pin is fixedly mounted on the outer wall of the middle of the front side of the steam generator. The device has reasonable design in structure, the ironing device can perform real-time dehumidification on ironed garments, the garments are avoided from getting damp, and later garment storage for a long time is facilitated; the garments are rolled and turned when ironed, frequent hand contact with garments is not required, impurities left on the garments are minimized as soon as possible, flattening is continuously kept, and use efficiency is guaranteed; and the device has a stable structure, can be adjusted, and has good flattening effects when coping with different garments and different sizes of ironing.

The invention relates to a semiconductor structure and a forming method thereof. The forming method for the semiconductor structure comprises the following steps of: providing a substrate, which is provided with a first surface and a second surface opposite to the first surface; forming a first device on the first surface of the substrate; forming a buffer layer covering the first surface of the substrate and the first device; and sticking a protective film on the surface of the buffer layer, wherein the protective film is provided with a hole structure; and the hole structure comprises multiple holes. By means of the forming method for the semiconductor structure, gas bump formed between the buffer layer and the protective film can be avoided; and the protection performance of the protective film and the reliability when the substrate is grabbed by a machine in a following process can be improved.

Disclosed is a radiation imaging device configuring a radiation imaging system. Specifically disclosed is a radiation imaging device wherein external force action mechanisms are capable of applying external force to the peripheral sections of a radiation conversion panel, or applying the external force while being laminated on the radiation conversion panel, or pressing the radiation conversion panel against the inner wall of a panel containing unit, which contains the radiation conversion panel, at least in imaging when radiation is applied.

The invention relates to the field of solar cells and discloses a preparation method of a chain wet black silicon cell chip with high conversion efficiency, which comprises the following steps: 1) selecting P-type polycrystalline diamond wire silicon chip, cleaning and drying with organic alkali solution and water in turn; 2) plating a SiON: H film on that back surface and the periphery of the silicon wafer; 3) manufacturing a black silicon pile surface on that front surface of the silicon wafer; 4) diffusing that front surface of the silicon wafer to form a PN junction; 5) removing that phosphorus-silicon glass on the front side of the silicon wafer and etch the back side of the silicon wafer and the SiON: H films around the silicon wafer with an acid solution, washing with water and drying; 6) plating an antireflection film on that black silicon pile surface; 7) printing that positive electrode on the front side of the silicon wafer; 8) printing the back side of the silicon wafer andsintering. The conversion efficiency of the black silicon battery chip prepared by the method of the invention is effectively improve, and is suitable for the technical upgrading of the subsequent polycrystalline battery chip such as the black silicon + PERC series battery, the black silicon + MWT series battery and the like.

The invention discloses an automatic dustbin dumping device of a sweeper, and relates to the field of sweeper trucks. The automatic dustbin dumping device of the sweeper comprises a sweeper chassis, a dustbin bracket, a dustbin, an electric push rod, an upper parallel rod, a lower parallel rod, a parallel rod connecting rod, a connecting plate, a clamping hook, a clamping buckle, a steel wire rope and an oil cylinder, wherein the electric push rod is connected with the sweeper chassis and the dustbin bracket; one end of the upper parallel rod is fixedly connected with the dustbin bracket, and the other end of the upper parallel rod is hinged to the dustbin; one end of the lower parallel rod is hinged to the parallel rod connecting rod, and the other end of the lower parallel rod is hinged to the dustbin; the end part of the parallel rod connecting rod and the end part of the connecting plate are hinged to the upper parallel rod; the other end of the connecting plate is hinged to the clamping hook; one end of the clamping buckle is hinged to the dustbin bracket; the other end of the clamping buckle is connected with the steel wire rope; the clamping buckle is buckled with the clamping hook; a cylinder barrel of the oil cylinder is hinged to the parallel rod connecting rod; and a piston rod of the oil cylinder is hinged to the dustbin bracket. The automatic dustbin dumping device of the sweeper solves the problems of dust leakage and garbage dropping in the automatic dustbin dumping process.

The invention relates to the technical field of OLEDs and provides a compound with TADF properties, a display panel comprising the compound and a display device comprising the compound. The compound has a structure shown as formula (1), wherein A1 and A2 are used for representing hydrogen atoms, phosphorus-containing oxygen substituent groups, sulfone substituent groups, aryl boron substituent groups and other electron acceptor groups; L1 and L2 are each independently selected from single bond, phenylene group, thienyl group, naphthylene group, anthranylene group, phenanthrylene group, and pyrenylene group; Ar1 and Ar2 are independently selected from hydrogen atoms, phenyl groups, thienyl groups, naphthyl groups, anthryl groups, phenanthrene groups, pyrenyl groups, phosphorus-containing oxygen group substituent groups, sulfone substituent groups, aryl boron substituent groups and other groups. A fused carbazole structure of the compound has very strong electron donating ability and thermal stability. When the fused carbazole structure is used as an electron donor to be combined with an appropriate acceptor material to form a bipolar main body material to be applied to light-emitting layers, good energy transfer can be realized between the bipolar main body material and a dopant, so that the light-emitting efficiency of devices is improved.

The invention discloses a joint strip tool for costume designing, and belongs to the technical field of costume designing. The joint strip tool comprises a bottom plate, two elastic pressing plates arranged at the upper and lower sides of the bottom plate respectively, and foldable pressing plates arranged at the left and right sides of the bottom plate respectively; when the elastic pressing plates are in the natural state, gaps are left between the elastic pressing plates and the bottom plate; the foldable pressing plates comprise mounting plates mounted at the bottom of the bottom plate andfoldable plates connected with the mounting plates through elastic parts; stitching grooves are formed in the left and right sides of the bottom plate and the portions where the foldable plates are folded to cover the bottom plate. By means of the tool, joint strips can be located and kept fitted, stitching is conducted at preset positions, and the tool is convenient to use and meets the requirement for stitching standardization.

The invention discloses a fuel type room air conditioner which comprises a furnace body, a heat exchanger and a four-way ratio device. According to the demands for convenient use of a plurality of rooms, casings can be additionally arranged on the peripheries of the furnace body, the heat exchanger and the four-way ratio device and connected with air pipelines. The air pipelines are connected with each room. In case of increasing the effect and improving the use performance, the air pipelines reaching each room also can be connected with indoor air circulators. In order to improve the use power of the whole device, an induced draft fan and a blower are respectively arranged on a fume exhaust pipeline and a fresh air inlet pipeline. In order to reduce the bad effect of external environment (rainy day and windy day) to the device, a three-way anti-pouring windproof device (pipeline tee) and a stable windproof device are additionally arranged at the end part of the pipeline in direct contact with the outside. The furnace body adopts the structure that a grate has a lateral surface and an upper air outlet adopts an annular air outlet; and the three-way ratio device is adopted on the main air distribution, so that the fuel burning effect and the use of the device are improved.

A semiconductor structure and a method for forming the same, the method for forming the semiconductor structure includes: providing a substrate, the substrate has a first surface and a second surface opposite to the first surface; A first device is formed on one surface; a buffer layer covering the first surface of the substrate and the first device is formed; a protective film is pasted on the surface of the buffer layer, the protective film has a hole structure, and the hole structure includes a plurality of holes. The method for forming the above-mentioned semiconductor structure can avoid the formation of gas bulges between the buffer layer and the protective film, improve the protective performance of the protective film and the reliability of subsequent process tools when grabbing the substrate.

The invention discloses a turning adjustment device for wheelchair pedals, which includes a standpipe, a turning shaft, and a foot pedal. The turning shaft is pinned and fixed to the standpipe. The spherical hinged hole is hinged with a spherical hinged head, the spherical hinged head is arranged on the connecting rod, the connecting rod is pinned with a connecting head, the connecting head is provided with an insertion hole, and an insertion shaft is inserted in the insertion hole, The insertion axis is perpendicular to the turning axis and its upper end is connected and fixed with the turning axis; the foot pedal of the device can not only turn inside and outside, but also adjust the front and rear inclination angles, even after the disabled or injured can lie on their backs, they can still put their feet on rest On the footrest, keep it flat.

The invention relates to a method for making wool knitted cold-proof trousers with socks arranged on leg openings. The trousers are formed by connection of a trousers body, an elastic waistband and the socks arranged on the leg openings. An upper waistband opening is fixed to shell fabric, liner fabric, wool flocculus filler and a lining material through mesh stitching, a lower waistband opening is fixed to the liner fabric, wool flocculus and the lining material through tuck stitching, and the trousers body is of a four-layer structure formed by the shell fabric, the liner fabric, the wool flocculus filler and the lining material; the socks are of a tubular structure and are long enough to reach the front palm center of foot, the socks are woven from elastic stocking yarn, the wool flocculus filler and the lining material are fixed through vertical tuck stitching quilting lines, and the liner fabric, the lining material and the wool flocculus filler are fixed trough inclined tuck stitching quilting lines; a butt protection mat and knee protection mats are placed on the portions of an inner butt protection portion and two knee protection portions respectively and fixed through mesh stitching.

The invention discloses a rapid arranging ironing device for garment processing. The device mainly comprises an outer frame, a bracket, a vacuum pump, a steam generator and a tensioner, wherein the vacuum pump is fixedly mounted at the left part of the top end of the bracket, a reversing valve is fixedly mounted on the front side wall of the upper part of the bracket, an air inlet of the vacuum pump is fixedly communicated with an air outlet of the reversing valve through a hose, the steam generator is fixedly mounted at the right part of the top end of the bracket, and a hanging pin is fixedly mounted on the outer wall of the middle of the front side of the steam generator. The device has reasonable design in structure, the ironing device can perform real-time dehumidification on ironed garments, the garments are avoided from getting damp, and later garment storage for a long time is facilitated; the garments are rolled and turned when ironed, frequent hand contact with garments is not required, impurities left on the garments are minimized as soon as possible, flattening is continuously kept, and use efficiency is guaranteed; and the device has a stable structure, can be adjusted, and has good flattening effects when coping with different garments and different sizes of ironing.

The invention relates to a dynamic corn seed image acquisition conveying mechanism comprising a conveying belt and a belt wheel. The conveying belt comprises a corn seed positioning profiling groove part, a balance layer part and a middle layer part; the belt wheel comprises a wheel core and a blocking piece. Conveying belt corn profiling grooves are evenly distributed in rows in the upper plane of the conveying belt and have a good positioning function on corn seeds so that the corn seeds can keep a flat state. Balance layers are arranged on the opposite sides of the corn profiling grooves in the surface of the conveying belt, and the balance layers reduce mass difference on the two sides of the conveying belt, and eliminate deviation generated in the process that the corn seeds are conveyed through the conveying belt. Middle layers are arranged between the corn profiling grooves and the balance layers, the middle layers are thicker than the two sides of the conveying belt, the whole conveying belt can be well supported in the conveying process to keep a stable state, and the strength of the conveying belt is guaranteed. The mechanism is used for recognizing dynamic corn seed purity through machine vision and acquiring images of the corn seeds in variation tests, the defect of the method that the corn seeds are vertically placed manually is overcome, the problem that the method cannot adapt to circulation on-site work easily and the purity recognition site of the corn seeds is limited is solved, and the dynamic corn seed image acquisition conveying belt is provided and can be carried to adapt to circulation on-site work.

The invention discloses a welding-free and paint-free color steel door body, a door frame and an assembled metal door. The door body is located in the door frame and matched with the same, the door body and the door frame are both formed by bending paint-free color steel plates, and a first door plank and a second door plank of the door body and an upper beam and a door stand column of the door frame are mechanically connected through an embedding device formed at a time, welding is not needed, and the problems of environment pollution and the like caused by welding can be avoided; product attractiveness is high and the market competitiveness is high; and the connecting strength of the adopted embedding device is high, the machining process is convenient, and the application of the color steel plate to the field of metal door manufacturing is realized in a breakthrough manner.

The invention relates to nude mouse pincers for tissue membrane transplantation. The nude mouse pincers comprise a nude mouse pincers body, wherein the nude mouse pincers body comprises two sets of nude mouse pincers split bodies and a pin shaft; mounting holes are formed in the front ends of the nude mouse pincers split bodies, the pin shaft penetrates through the mounting holes in the front endsof the two sets of nude mouse pincers split bodies to fix the nude mouse pincers split bodies, and each nude mouse pincers split body comprises handheld parts, clamping arms and flattening arms; anda handheld hole is formed in the rear end of each handheld part, each clamping arm is arranged at the front end of the corresponding handheld part, each flattening arm is arranged at the bottom end ofthe corresponding clamping arm, clamping teeth are arranged on one sid, close to the pin shaft, of the front end of the corresponding clamping arm, and corrugated teeth are arranged on one side awayfrom the pin shaft, of the corresponding flattening arm. The tissue forceps are convenient to use independently, and extra auxiliary instruments are not needed. The nude mouse pincers are suitable forclinical sterilization methods, can be widely applied to soft tissues with different sizes by changing clamping parts, can be manufactured into different sizes, and is more convenient and wider to use.

The invention discloses a detachable automobile pile which comprises a bottom box, an internal thread sleeve, a vertical cylinder, a box cover, a control bolt, a gasket and a padlock. The two ports of the vertical cylinder are both square, the vertical cylinder is pressed in the bottom box by the gasket on the control bolt and cannot rotate, the padlock locks the upper part of the control bolt and the box cover, and the control bolt, the vertical cylinder and the box cover can be taken down and put into a vehicle only by opening the padlock to rotate the control bolt to retreat from the internal thread sleeve and separating the gasket from the bottom of the vertical cylinder. The technical scheme has the characteristics that the structure is simple, use is convenient, safety early warning can be achieved, bottom box construction positioning is easy, and automobile piles are fast to mount and dismount.

A painting panels capable of maintaining planarity of a canvas without being subject to an aging, which may happen often in wooden frames is provided. A painting panel in which a covering member including a plurality of layers made of neutral paper is stretched and secured over an outer surface of a grid framework formed by assembling squared bars made of at least one selected from cedar, Japanese cypress, Maki, paulownia, ash, beech, zelkova, oak, cherry, and teak into a grid shape.

The invention relates to the field of solar cells and discloses a preparation method of a chain wet black silicon cell chip with high conversion efficiency, which comprises the following steps: 1) selecting P-type polycrystalline diamond wire silicon chip, cleaning and drying with organic alkali solution and water in turn; 2) plating a SiON: H film on that back surface and the periphery of the silicon wafer; 3) manufacturing a black silicon pile surface on that front surface of the silicon wafer; 4) diffusing that front surface of the silicon wafer to form a PN junction; 5) removing that phosphorus-silicon glass on the front side of the silicon wafer and etch the back side of the silicon wafer and the SiON: H films around the silicon wafer with an acid solution, washing with water and drying; 6) plating an antireflection film on that black silicon pile surface; 7) printing that positive electrode on the front side of the silicon wafer; 8) printing the back side of the silicon wafer andsintering. The conversion efficiency of the black silicon battery chip prepared by the method of the invention is effectively improve, and is suitable for the technical upgrading of the subsequent polycrystalline battery chip such as the black silicon + PERC series battery, the black silicon + MWT series battery and the like.