485results about How to "Increase connection area" patented technology

The integral engineering rack of interface osteochondro tissue with bionic interface includes from the top to the bottom one cartilage layer, one calcified layer and one bone layer below cartilage connected organically. The cartilage layer consists of type II collagen and chitosan connected in covalent bond; the calcified layer consists of type II collagen and hydroxyapatite connected in covalent bond; the bone layer below cartilage consists of type I collagen and hydroxyapatite connected in covalent bond; and each of the cartilage layer and the bone layer below cartilage has at least one pore of 100-500 micron size. The integral engineering rack of the present invention has excellent biocompatibility, excellent degradability, sufficient mechanical first and bionic interface function.

An all-solid-state cell has a fired solid electrolyte body, a first electrode layer integrally formed on one surface of the fired solid electrolyte body by mixing and firing an electrode active material and a solid electrolyte, and a second electrode layer integrally formed on the other surface of the fired solid electrolyte body by mixing and firing an electrode active material and a solid electrolyte. The first and the second electrode layers are formed by mixing and firing the electrode active material and the amorphous solid electrolyte, which satisfy the relation Ty>Tz (wherein Ty is a temperature at which the capacity of the electrode active material is lowered by reaction between the electrode active material and the solid electrolyte material, and Tz is a temperature at which the solid electrolyte material is shrunk by firing).

The present invention relates to a metal-sealing material-feedthrough for igniters of airbags or belt tensioning devices, especially glass-metal-feedthrough, including at least one metal pin which is located in a feedthrough opening in the base body in a sealing material, wherein the base body has a front side and a back side. Structure is provided between the front and the back side in order to avoid a relative movement of sealing material in the direction toward the back relative to the inside circumference of the feedthrough opening. At least the feedthrough opening is punched out of the base body. The base body is configured so that the ratio of thickness (D) of the base body to the maximum dimension of the feedthrough opening vertical to the axis direction of the feedthrough opening is in the range of between and including 0.9 to 1.6.

A component-incorporated wiring substrate is provided. Some embodiments include a plate-like component incorporated in a core substrate and a build-up layer having an insulation layer and a conductor layer disposed in alternating layers. The component has terminal electrodes formed at its opposite ends having a side surface and a main surface. An insulation layer disposed on the main surface of the component has via conductors formed therein which are connected to the side surfaces and the main surfaces of the respective terminal electrodes. The via conductors are tapered, such that their via diameter decreases in a direction toward the terminal electrode, and their via diameter at a position where they connect to the main surface is greater than a length of the main surface. Accordingly, the area of connection between the via conductors and the corresponding terminal electrodes is increased, improving connection reliability through enhancement of tolerance for positional deviation.

The invention relates to a hollow short implant of a dental implant, which comprises an one-stage structure and a two-stage structure, wherein the one-stage implant part is connected with an abutment part into a whole; the two-stage structure comprises an implant, a bridge adapter ring and a central bolt; peripheral cylinder spirochaeta of the implant part is divided into three stages, saw-tooth double thread in the main part of the implant can bear heavier load; the hollow structural design of the implant part keeps live bone column with a base and blood supply so as to enhance the supporting strength of the bone and the implant; a self-tapping socket can make bone tissue of the internal and external of the implant grow through and heal; a platform transfer design allows the epithelial cuff of the gum around the implant more reliable to avoid bone resorption caused by micro moving and micro leakage. The short hollow implant realizes combination of the internal and external bone, increases the combination area and supporting strength for a short or a long term, can be implanted rapidly with high strength, better retention in the early stage, high success rate in a long term, and solves the problem that the upper and lower jaws abrase the dental area in the conventional oral implant technology.

The invention relates to a diffusion bonding method of hard alloy and metal, and aims to solve the problems that the conventional bonding method is complicated in process and low in bonding strength. The diffusion bonding method comprises the following steps: 1, roughening a lug boss; 2, cleaning before welding; 3, performing diffusion bonding: putting the hard alloy and the metal which are cleaned into a diffusion bonding furnace, fixing the hard alloy and the metal with pressing heads, and performing diffusion bonding by the diffusion bonding process to achieve diffusion bonding of the hard alloy and the metal. The diffusion bonding method is simple in process and high in production efficiency; by the diffusion bonding method, metallurgical bonding of the hard alloy and the metal is effectively implemented, the bonding strength is improved, and using requirements of hard alloy/ metal structural components can be met; the diffusion bonding method is applicable to the field of brazing.

A printed circuit board using paste bumps and manufacturing method thereof are disclosed. With the method of manufacturing a printed circuit board using paste bumps, comprising: (a) perforating a core board to form at least one via hole, (b) filling the at least one via hole by fill-plating and forming a circuit pattern on at least one surface of the core board, (c) stacking a paste bump board on at least one surface of the core board, and (d) forming an outer layer circuit on a surface of the paste bump board, a structurally stable all-layer IVH structure can be implemented due to increased strength in the BVH's of the plated core boards, the manufacture time can be reduced due to parallel processes and collective stacking, implementing micro circuits can be made easy due to the copper foils of the paste bump boards stacked on the outermost layers, the manufacture costs can be reduced as certain plating and drilling processes may be omitted, the interlayer connection area is increased between circuit patterns for improved connection reliability, and dimple coverage can be obtained.

The invention discloses a lightning protection system of a wind power blade. The lightning protection system of the wind power blade comprises a metal net I used for conducting thunder and lightning and fixed on the two surfaces of a wind power blade shell, an laying area of each surface of the metal net I is basically matched with a main beam, the end, close to the root of the blade, of the metalnet I is connected with a ground lead so as to conduct the thunder and lightning to the ground, a plurality of metal nets II are arranged on the metal net I in a lap joint mode at intervals, lightning conductors used for conducting the thunder and lightning are arranged at the end, far away from the metal net I, of the metal net II, and the end, extending into the shell, of the lightning conductors is connected with a main cable line through a branch cable to realize conduction of the metal net I and the main cable line; and the tip part of the wind power blade is provided with a pointed partlightning arrester, the main cable line is correspondingly connected with the pointed part lightning arrester and the ground lead so as to conduct the thunder and lightning to the ground through theground lead. The lightning protection system can carry out diversion of the double-guide flow channel of the metal net I and the main cable line after being subjected to lightning, the problem that the whole failure of the lightning protection system caused by breakage of lightning stroke of the metal net I is avoided, and the operation safety of the blade can be guaranteed more comprehensively.

A semiconductor device and a manufacturing method therefor are provided. A cutting groove (22) is formed by cutting a predetermined thickness portion of a total thickness at a connecting strip of a lead wire frame (2) provided on a QFN substrate (1) with a rotary blade (21) thicker than a conventional rotary blade (24) ). Next, a plating layer (23) is formed on the bottom surface of the lead wire frame (2) and a surface of the cutting groove (22) via plating treatment. Next, the remaining thickness portion of the lead wire frame (2) at the cutting groove (22) and the total thickness portion of a sealing resin (8) are uniformly cut using the rotary blade (24) having a conventional thickness. The QFN substrate (1) is cut in two stages to completely remove the connecting bars, thereby manufacturing the QFN product (26). In the QFN product (26), the plating layer (23) can be stably formed on the bottom surface of a lead wire (5) and the surface of a concave portion (27) formed on a side surface of the lead wire (5).

The invention relates to a friction stir and ultrasonic compound welding method of light alloy and a resin-based composite. The method comprises the steps that firstly, the surface, making contact with the resin-based composite, in the light alloy is subjected to mechanical processing or electrochemical processing; secondly the light alloy serves as an upper plate, the resin-based composite servesa lower plate, a carbon nano tube composite thin film serves as a middle layer, and the upper plate, the lower plate and the middle layer are placed on a worktable and fixed; thirdly, an ultrasonic system is connected; fourthly, a stirring head is rotated and carries out downward pricking; fifthly, the ultrasonic system is started; and sixthly, after the shaft shoulder of the stirring head and the upper plate are in contact, the stirring head stays for 3 to 120 s, and then, the stirring head moves in the welding seam direction at the speed of 5 to 1000 mm/min until welding is finished. The welding seam width can be increased, the microcosmic mechanical interlocking capacity in the joint is increased, and the joint anti-shearing and stretching property can be improved.

The aim of the invention is to improve the compression ratio of a scroll compressor and decrease a power loss due to supercompression. A fixed scroll and a moving scroll on which spiral laps are erected on the inner surfaces of end plates and, respectively, are combined together and compression chambers moved to the central side as a volume is decreased are formed between the two laps. An inner peripheral surface of one lap consists of a first part composed of a part of an inner spiral surface slidably contacting with an outer peripheral surface of the other lap; a recessed circular arc-shaped second part continuously connected to the first part and slidably contacting with a small circular face at the tip on the central side of the other lap; a fourth part positioned further on the outside in a radial direction than the extension face of the second part and connected to a small circular arc face; and a third part discontinuously connected to the second part and rapidly outwardly separated from the extension face of the second part and connected to the fourth part.

A substrate for mounting a semiconductor chip is formed as a multilayer substrate by alternately laminating insulation layers and wiring layers. Wires of the wiring layers are electrically connected through a via-hole for interlayer continuity. A through-hole provided through the insulation layer of the outermost surface layer is formed. A bump is inserted in the through-hole to a bump allocating position of the semiconductor chip to be mounted in the insulation layer of the outermost surface layer. A portion of the wire in the wiring layer of the outermost surface layer is projected to the internal side of through-hole at the aperture of the through-hole.

The invention discloses a water permeable brick for a sponge city. The water permeable brick comprises a hollow brick body. A water inlet is formed in the upper end of the brick body in a penetratingmanner, two symmetrically formed lifting grooves are formed in the inner wall of the brick body, a partition plate leans against the bottoms of the two lifting grooves jointly, two ends of the partition plate are hermetically and slidably connected to the inner walls of the two lifting grooves, separately, a plurality of columns are fixed to the upper end of the partition plate, a chute is formedin the upper end of each column, and an air bag is fixed to the inner bottom of each chute. The water permeable brick has the advantages that rainwater entering the brick body through the water inletdoes not directly permeate into an underwater channel as being blocked by the partition plate but is stored in the brick body in advance, so that the rainwater can be stored to a certain extent, and therefore, accumulated water is supplied to air conveniently after rain stop, and the comfort level of the urban environment is improved; a water flow enters into a water outlet tank when too much accumulated water exits and is further drained to the underwater channel through a water falling pipe, so that normal drainage of the city is guaranteed.

The invention belongs to the technical field of accessories for assembling profiles, and particularly relates to a compound angle code for corner combinations of the profiles. The compound angle code for the corner combinations of the profiles comprises a first angle code body and a second angle code body which are symmetrically arranged, wherein a first diversion groove which extends along first connection arms and second connection arms is formed in the inner side face of a corner, a first gel injection groove is formed in the outer side face of an adjacent portion of each two adjacent first connection arms, a second gel injection groove is formed in the outer side face of an adjacent portion of each two adjacent second connection arms, a second diversion groove is formed in the outer side face of the corner, a third diversion groove is formed in a corner on an adjacent face of the first angle code body and the second angle code body, the third diversion groove is respectively communicated with the first diversion groove, the first gel injection grooves, the second gel injection grooves and the second diversion groove, and forth diversion grooves respectively communicated with the first diversion groove and the second diversion groove are formed in a corner on a side face of the first angle code body, far away from the adjacent face, and a corner on a side face of the second angle code body, far away from the adjacent face. When used, the compound angle code for the corner combinations of the profiles can improve connection strength of the profiles after the corner combinations, simultaneously can improve flatness of corner combination portions of the profiles, and prevents water from leaking through the corner combination portions of the profiles.

The invention provides a coil electric conductor device and a manufacture method thereof. The method comprises the following steps of: a lower leading-out end step, a coil conductor step, a casting step and an upper leading-out end step, wherein the coil conductor step comprises a connection point step: printing a coil conductor, wherein cavities can be generated at the tip position of a lower leading-out end and the middle position of the tip position of the coil conductor if the thickness of the tip position of the coil conductor is less than that of the middle part of the coil conductor; drying again; printing first connection points at the positions of the cavities; then casting a layer of ferrite pulp film; and printing second connection points the area of which is larger than that of the first connection points on the first connection points after the ferrite pulp film is dried; in the casting step, casting a layer of ferrite pulp film, and exposing the second connection points out of the ferrite pulp film; drying, and then repeating the coil conductor step, the connection point step and the casting step on the ferrite pulp film for several times so as to form the coil conductor.

The invention provides a retractable and broken PDC composite drill bit, which relates to the technical field of oil drilling tools, and includes a drill body and a blade fixed on the drill body. The blade is provided with several cutting teeth. The drill bit The center of the body is provided with a breaker bit detachably connected to the drill body, an embedding groove for inserting the breaker bit, and an ejection mechanism, and the ejection mechanism is arranged in the drill body and is fixedly connected with the breaker bit; the drill body A floating support block is arranged between the broken drill bit. Through the implementation of this technical solution, the rock-breaking efficiency of the core of the drill bit can be effectively improved, and the technical problem that the PDC bit is difficult to drill in the hard formation is overcome; and the drill bit body around the broken bit body will not be caused faster Wear and tear is conducive to improving the service life of the drill bit and saving drilling costs.

A vehicle body front part structure of a vehicle capable of suppressing the upward deformation of side members and pitching in collision by securely transmitting an input in the collision from the side members to an apron member. Rigid members (20) are fixedly installed across the front end part (8c) of the apron member (8) and the side members (2), and the forward parts of the rigid members (20) are tilted diagonally downward so as to form a roughly linear shape from the apron member (8) toward the side members (2) as viewed from the side of the vehicle to distributedly transmit the input into the side members in the collision of the vehicle to the apron member (8) through the rigid members (20) and to suppress the upward deformation of the side members (2) by the rigid member (20).

The invention provides a lifting rod assembly and a ceiling fan. The lifting rod assembly comprises a motor, an adaptor assembly and a lifting rod; the adaptor assembly is connected with a motor shaft of the motor, and the lifting rod is connected with the adaptor assembly and can rotate relative to the motor through the adaptor assembly; and according to the ceiling fan, the lifting rod can rotate relative to the motor, in the transportation and carrying process, the lifting rod is folded, and the size of the ceiling fan is reduced; on one hand, the condition that all components of the ceiling fan are split and then are packaged, and consequently, components with the small size are lost is prevented from happening, and on the other hand, the condition that the lifting rod and the motor of the assembled ceiling fan are large in size, and consequently the ceiling fan is inconvenient to carry and low in transportation efficiency is prevented from happening; the lifting rod rotates relative to the motor, the size of the ceiling fan is small, under the condition that the transportation space of an operation device is unchangeable, more ceiling fans can be transported, and therefore the transportation efficiency is improved; and on the other hand, worker carrying is facilitated, and therefore the carrying efficiency is improved.

The invention provides a heat pipe heat storage heat exchanger with a pipe diameter change of communicating pipes. The heat exchanger comprises a gravity heat pipe, the heat pipe comprises an evaporation end and a condensation end; the evaporation end is arranged in a heat accumulator, and the heat accumulator is arranged in a heat source; the condensation end is arranged in a container of a coldsource, the evaporation end comprises a plurality of end parts, and the plurality of communicating pipes are arranged between every adjacent end parts; and the diameter of the communicating pipes is continuously increased in the direction from the center of the heat accumulator to the outer wall of the heat accumulator. Through the change of the pipe diameter of the communicating pipes, the pressure balance can be achieved as soon as possible in the fluid heating process.

The invention relates to the technical field of coiling devices, in particular to a coiling device for a flexible circuit plate. The coiling device comprises a left casing, a right casing, a rotary plate, an upper volute spiral spring and a lower volute spiral spring. According to the coiling device, as an outer casing is formed through the mutual buckling of the left casing and the right casing, the left casing and the right casing are tightly adhered, the connecting area is enlarged, and the device is not easy to vertically split, so that the outer casing is stable and firm in structure; moreover, as the upper volute spiral spring and the lower volute spiral spring, as well as an upper central shaft and a lower central shaft are arranged symmetrically and form a balanced double-spring structure, when the flexible circuit plate stretches and retracts, the application of force and counter operation force of the springs when the springs are loosened or tightened are dispersed on the upper part and the lower part of the rotary plate in a balancing manner so as to balance the stress of the rotary plate, therefore, the rotary plate is smooth in rotation and not easy to damage.

The invention provides a radiator. The radiator comprises a base plate, a plurality of cooling fins and brazing filler metal. The cooling fins are arranged on the base plate. A plurality of slots are formed in the base plate. Each cooling fin is inserted into the corresponding slot. Spaces between the slots and the cooling fins are filled with the brazing filler metal, and the brazing filler metal is melted to enable the cooling fins to be welded to the base plate. A plurality of protrusions are arranged on the two surfaces of each cooling fin at intervals. Spaces between the protrusions at the lowest ends of the cooling fins and the base plate are filled with the brazing filler metal, and the brazing filler metal is melted to enable the protrusions at the lowest ends of the cooling fins to be welded to the base plate. The radiator has the advantages that the brazing filler metal serves as a heat transfer medium, and accordingly, heat transfer efficiency is high; the connection areas of the cooling fins and the base plate are increased, and shock resistance is improved. The invention further provides a forming process based on the radiator.

In a side surface light emitting type light emitting device mounted on the surface of a wiring board, the light emitting device comprises: a base body part having a reflecting case and a terminal holding part formed integrally with the reflecting case in the rear part of the reflecting case; and lead members inserted into the base body part, having a pair of connecting parts including base parts of the connecting parts drawn out from the lower surface of the base body part and bent along the lower surface and side bending parts provided in the base parts of the connecting parts and bent along the side surfaces of the terminal holding part and connected to a pattern of the wiring board; and is characterized in that the base parts of the connecting parts are provided with protruding parts protruding toward the center of the lower surface of the terminal holding part and cut-out parts are provided for accommodating the protruding parts in the lower surface of the terminal holding part.