63results about How to "Guaranteed electrical continuity" patented technology

The invention discloses a local-fitting hole-avoiding flex-rigid combined board and a manufacturing method thereof. The manufacturing method comprises the following steps: S1, manufacturing a soft board; S2, windowing a hard board and a no-flow prepreg, corresponding a hard board window to a no-flow prepreg window in position and ensuring equal sizes of the two windows; S3, manufacturing a covering film, correspondingly fitting the covering film onto the soft board, adhering the no-flow prepreg on the covering film, and correspondingly positioning the covering film under the windowing position of the no-flow prepreg; and S4, laminating the hard board on the covering film to form the flex-rigid combined board. By the method, the bonding capability of the soft board and the hard board is improved, board cracking and layering are avoided, and the electrical conducting property of holes in a product is ensured; the manufacturing technology of the flex-rigid combined board is simple, convenient and controllable; and the reliability of the product is improved.

The invention discloses a focal plane array detector and a preparation method thereof. The focal plane array detector comprises an epitaxial layer. The lower surface of the epitaxial layer is providedwith multiple concave first doped regions. The interfaces of the epitaxial layer and the first doped regions are first PN junctions. A pixel element hole is arranged between the adjacent first PN junctions. The lower surface of the epitaxial layer is covered by a first passivation film. The first passivation film arranged on the surface of the first doped regions is provided with first contact holes. The exact middle of the first passivation film arranged on the surface of the pixel element holes is provided with second contact holes. The first contact holes and the second contact holes are filled with first indium bumps and second indium bumps respectively. The first indium bumps and the second indium bumps protrude out of the epitaxial layer. The upper surface of the epitaxial layer isprovided with multiple concave second doped regions. The first doped regions and the second indium bumps are connected in a one-to-one correspondence way. The objective of the invention is to solve the technical problems of crosstalk of the PN junctions of the adjacent pixel elements and small effective utilization area of the pixel elements.

The invention relates to the repairing of the electrolytic tank aluminum bus, especially to an anti-magnetic shielding apparatus for repairing welding of an electrolytic tank horizontal bus in a strong magnetic field environment. The anti-magnetic shielding apparatus is characterized in that the apparatus comprises complete and continuous shielding anti-magnetic covers that are made of materials with high magnetic permeability and cooperate well at a welding part and a welding machine; and guiding plates that can be dismounted are arranged at the rear ends of the shielding anti-magnetic covers in a cooperation mode. According to the invention, the structure is unique; the magnetic force lines can be shielded and guided; the magnetic field can be reduced even eliminated inside the shielding space; and thus objectives of successful welding and welding quality guarantee can be achieved.

The invention discloses an extensible open type active phased-array antenna array plane. The invention relates to the technical field of active phased-array antenna array planes. The extensible open type active phased-array antenna array plane specifically comprises a box body, the top of the box body is fixedly connected with sub-array planes, the surfaces of the sub-array planes are provided with conductive pressing strips, the side surface of the box body is provided with an air inlet, the top of the box body is provided with air outlets at positions corresponding to the sub-array planes, and the box body is internally provided with a primary comprehensive network and a primary inflation network. An array plane structure adopts a building block type design method, the array plane is divided into a plurality of identical sub-array planes through reasonable structural layout and module division, the sub-array planes can be expanded transversely and longitudinally to form a large antenna array plane, and the expansion number of the sub-array planes can be determined according to actual use requirements. The conductive pressing strips are arranged among the sub-array planes so as toensure the electrical continuity of the reflection plane of the whole array plane radiation unit. Each sub-array plane can be debugged, transported and operated independently, and the problems that alarge radar antenna array plane is difficult to transport and install and long in debugging period are solved.

The invention discloses a data wire storage box. The data wire storage box comprises a shell, a wire winding rod and a detecting device, wherein the shell comprises an upper shell and a lower shell which are detachably connected with each other; a first opening is formed in the curve surface of the upper shell; one side of the first opening is articulated with a first cover body; the inner wall of the first cover body is provided with a USB (Universal Serial Bus) plug socket; a second opening is formed in the curve surface of the lower shell; one side of the second opening is articulated with a second cover body; the inner wall of the second cover body is provided with a charging plug socket; the wire winding rod is formed from at least two segments of connecting rods which are sleeved mutually; the uppermost connecting rod is connected with the upper shell through a bearing; the lowermost connecting rod is in threaded connection with a screw cap; the detecting device comprises a first electric wire and a second electric wire; the second electric wire is connected with a battery and a display lamp. The data wire storage box disclosed by the invention can be used for storing a data wire inside a closed shell, is convenient to carry and provides convenience for use of the data wire without opening the shell; moreover, the detecting device for detecting the data wire is arranged on the shell; the data wire storage box disclosed by the invention has the advantages of being simple in structure, safe, reliable, economical, practical and the like.

The invention belongs to the field of semiconductor storage and particularly discloses gating tubes applied to a three-dimensional flash memory and a preparation method thereof. The gating tubes comprise first metal shielding layers, second metal shielding layers and gating function layers. The gating tubes are disposed at top ends of flash memory strings for forming the three-dimensional flash memory and are directly located above a vertical channel. The gating tubes are in one-to-one correspondence with the flash memory strings, and any of the flash memory strings is vertically set on the substrate in a three-dimensional stacked structure. The gating function layers are used for controlling the gating of the flash memory strings under the gating tubes according to the voltage on or off on the first metal shielding layers and the second metal shielding layers. According to the invention, by improving the internal structures and setting mode of the gating tubes, the problems that the preparation process of the gating tubes is not compatible with the preparation process of the three-dimensional flash memory and the power consumption of the gating tubes is high can be effectively solved compared with the prior art.

The invention discloses a flame-retardant fireproofing power cable. The flame-retardant fireproofing power cable comprises a plurality of conductors, fireproofing insulating layers coating the outer sides of the conductors, a flame-retardant filling rope, an aluminum plastic composite belt isolating layer and a flame-retardant jacket layer, wherein the conductors and the fireproofing insulating layers form insulating cable cores, the aluminum plastic composite belt isolating layer wraps the outside of a cabling structure which is formed by a plurality of insulating cable cores in a twisting mode, the flame-retardant filling rope is filled into the gap between the fireproofing insulating layers and the aluminum plastic composite belt isolating layer, and the flame-retardant jacket layer is arranged on the outer surface of the aluminum plastic composite belt isolating layer. According to the flame-retardant fireproofing power cable, a combined structure of the fireproofing insulating layers, the aluminum plastic composite belt isolating layer and the flame-retardant jacket layer is adopted, an original mica tape lapping fire resisting structure is replaced, the production processes of the cable are reduced, the flame-retardant fireproofing performance of the cable is enhanced, staff loss and property loss under a fire environment are effectively lowered, the using safety performance of the power cable is improved, the service life of the cable is prolonged.

The invention discloses a multifunctional cable which comprises a plurality of insulation wire cores, an inflaming retarding filling rope, an aluminum plastic composite belt isolation layer and an inflaming retarding sheath layer. The plurality of insulation wire cores are arranged on the periphery of the inflaming retarding filling rope, the aluminum plastic composite belt isolation layer wraps the outsides of the plurality of insulation wire cores, and the inflaming retarding sheath layer is arranged on the outer surface of the aluminum plastic composite belt isolation layer. By means of the combination structure of a fireproof insulation layer, the aluminum plastic composite belt isolation layer and the inflaming retarding sheath layer, the inflaming retarding fireproof performance of the cable is improved. Due to the fact that the plurality of insulation wire cores are arranged on the periphery of the inflaming filling rope and the inflaming retarding filling rope has flexibility, namely the inflaming retarding filling rope is easy to deform compared with the insulation wire cores, the inflaming retarding filling rope is pressed by the insulation wire cores when the cable is bent, and the outer edge of the inflaming retarding filling rope is deformed. Therefore, the cable has bending durability and flexibility and can be used under repeated bending environment, and environment adaptability of the cable is improved.

The invention discloses an overload relay based on wireless connection and belongs to the technical field of overload relays. Firstly, a contact pin of a J27A-17ZK connector is inserted into a bonding pad of a first printed board assembly to be welded, and a contact pin of a J27A-17TJ connector is inserted into a bonding pad of a second printed board assembly and is welded. Then an electric conduction sealing gasket is arranged inside a groove of a shell body, a J599 connector is fixed on the shell body, the first printed board assembly is put into the shell body, a GK-8B relay on the first printed board assembly is put into the shell body inwards and is contacted with the shell body, a contact pin of the J599 connector is inserted into the bonding pad of the first printed board assembly and is welded, and the first printed board assembly and the shell body are fixed through screws on the back side of the first printed board assembly. The second printed board assembly is put into the shell body, the second printed board assembly and the shell body are fixed through screws, the electric induction sealing gasket is put into the groove of the shell body, is covered with a cover plate and is fixed through screws.

The invention relates to an encapsulated conducting structure for a semiconductor substrate and the forming method thereof. The dielectric layer of the encapsulated conducting structure is locally covered with the metal layer of the semiconductor substrate, and defines an accommodation space with an elevating layer and a conducting layer inside, the conducting layer stretches to connect with a bump, and the elevating layer is connected with a dielectric layer , so that the deposition of the edge of the dielectric layer is stabilized, and thus improving the reliability of the encapsulated conducting structure.

The invention belongs to the technical field of automatic equipment, and particularly relates to an automatic assembling system of an automobile door lock connector. The automatic assembling system comprises a feeding device, a first assembling device, a first indexing device, a carrying device, a second assembling device, a second indexing device and a discharging device, wherein the feeding device is used for placing a product on the first indexing device; the first assembling device is used for carrying out electronic element assembling on the product on the first indexing device; the carrying device is used for carrying the product on the first indexing device to the second indexing device; and the second assembling device is used for carrying out electronic element assembling and detection on the product on the second indexing device. According to the system, electronic elements are automatically combined with hardware in a shell, so that the installation precision and the electric communication between the electronic elements and the hardware are ensured, the production efficiency is improved, and meanwhile, the labor cost is reduced; and the system is simple in structure andis practical and convenient. In addition, the invention provides a working process of the system. The working stability and efficiency of the system are improved.

The invention discloses a dust-free workshop moving shielding room. The dust-free workshop moving shielding room comprises a workshop body, a shielding base is installed at the bottom of the workshopbody, the area of the shielding base is larger than that of the cross section of the workshop body, at least four walking wheels are installed at the bottom of the shielding base, and at least two ground contact braking mechanisms are symmetrically installed at the two ends of the shielding base; base plates are spliced to the bottom of the workshop body and the upper end of the shielding base; anelectromagnetic shielding layer fits the inner wall of the workshop body, and a door body is installed in the side wall of the workshop body. By means of the dust-free workshop moving shielding room,concave-and-convex clamping design, namely the embedding cooperation of a shielding frame and a shielding block is adopted for the door body and the workshop body, the linear size of the door body and the workshop can be reduced, and the electrical connection between contact faces of the door body and the workshop body is guaranteed; by means of the design mode, the electrical continuity of the contact faces can be effectively guaranteed, and the problem in the traditional art that a shielding body is discontinuous due to gaps of the door body is effectively solved.

The invention relates to an ultra-thick core board punching system and an ultra-thick core board punching method. The ultra-thick core board punching system comprises a first punching piece, a secondpunching piece and a milling tool piece. The first punching piece is used for conducting positioning punching on a core board. The milling tool piece conducts controlled depth milling on the core board. The core board is provided with a plurality of controlled depth areas through the milling tool piece. The second punching piece conducts punching in the controlled depth areas. For example, when the thickness of the core board is larger than 1 mm, the milling tool piece is used for conducting material milling operation firstly, in other words, the controlled depth areas are formed in the core board, and then the second punching piece is inserted in the controlled depth areas for further punching. According to the manner, the milling tool piece is used for conducting controlled depth treatment on the large-thickness core board with the thickness larger than 1 mm, it is guaranteed that the second punching piece punches the core board under the situation that the precision is guaranteed atthe time, it is guaranteed that two adjacent core boards can be accurately aligned during laminating, and the core board alignment precision is improved.

The invention discloses an extended electrode for a photovoltaic tellurium-cadmium-mercury probe and a preparation method for the extended electrode. The electrode is an extended electrode, and the electrode of a pn junction injection area is extended to the surface of a composite passivation layer of a non-injection area. The method comprises the following steps of: performing photoetching by adopting a negative photoresist to obtain a photoresist mesa with big top and small bottom, growing the composite passivation layer with slowly variable thickness around the pn junction injection area of a tellurium-cadmium-mercury chip by using the pattern shadow effect of the photoresist mesa when a film is grown, growing a layer of electrode, and extending the electrode to a position far away from the pn junction injection area. The electrode prepared by using the method can ensure that the electrode in the pn junction injection area is completely electrically communicated with the electrode on the surface of the composite passivation layer; and meanwhile, an indium post for face-down bonding interconnection is prepared at the extended position of the electrode and far away from the pn junction injection area, so that a pressure bearing point is far away from the pn junction during face-down bonding interconnection and the performance of a device is improved.

The invention relates to the technical field of automobile accessories, and discloses a wiring harness connector terminal plugging device for automobile wiring harness production, which comprises a fixed end. A binding post is fixedly mounted in the middle of the inner wall of the fixed end, a conductive post is movably mounted in the middle of the binding post, and a reset spring is movably mounted on the inner wall of the binding post. One end of the reset spring is fixedly installed on the conductive post, the other end of the reset spring is fixedly installed on the inner wall of the binding post, and a wire is fixedly installed on the inner wall of the fixed end. The driving column is arranged on the binding post, so that in the clamping process of the movable end and the fixed end, the driving column is locked on the locking groove and the guide groove, self-locking is formed, the driving column can lock the locking groove and the binding post, and therefore what is guaranteed is that in the current flowing process, the phenomenon of poor contact caused by separation of the power transmission sleeve and the binding post due to vibration is prevented, and the purpose of stable connection of the end is finally achieved.