Patents for H05K 3 - Apparatus or processes for manufacturing printed circuits (118,473)
02/1991
02/27/1991EP0414594A1 Method of repairing a device comprising integrated circuits on a carrier substrate
02/27/1991EP0414546A2 Backpanel having multiple logic family signal layers
02/27/1991EP0414393A1 Improvements relating to electrical connectors
02/27/1991EP0414363A2 Method for applying a conductive trace pattern to a substance
02/27/1991EP0414362A2 Method for forming conductive traces on a substrate
02/27/1991EP0414240A2 Process for soldering allowing low ionic contamination without cleaning operation
02/27/1991EP0414204A2 Multilayer interconnection substrate and semiconductor integrated circuit device using the same
02/27/1991EP0414188A1 A busbar interconnecting structure
02/27/1991EP0414169A2 Photosensitive semi-aqueous developable gold conductor composition
02/27/1991EP0414168A2 Photosensitive semi-aqueous developable copper conductor composition
02/27/1991EP0414167A2 Photosensitive aqueous developable copper conductor composition
02/27/1991EP0414166A2 Photosensitive aqueous developable gold conductor composition
02/27/1991EP0414140A2 Light transmission paste and metallic copper deposition method using same
02/27/1991EP0414097A2 Method of direct metallization of a non-conductive substrate
02/27/1991EP0413961A1 Contact element for printed circuit board
02/27/1991EP0413848A1 Adaptor plate for electric coils
02/27/1991EP0413808A1 Control arrangement for a seat heater.
02/27/1991EP0413703A1 Ceramic-ceramic compounds, suitable for electrical applications
02/27/1991EP0413689A1 Wavesoldering device.
02/27/1991EP0204767B1 Method for fabricating modules comprising stacked circuit-carrying layers
02/26/1991US4996629 Circuit board with self-supporting connection between sides
02/26/1991US4996584 Thin-film electrical connections for integrated circuits
02/26/1991US4996391 Printed circuit board having an injection molded substrate
02/26/1991US4996160 Method and apparatus for quantitative measurement of ionic and organic contaminants remaining on cleaned surfaces
02/26/1991US4996116 A substrate, a eutectic/substrate-wetting enhancement layer and a metal-metal compound eutectic layer
02/26/1991US4996111 Ceramic surfaces with two or more thin layers of titanium, molybdenum, tungsten, nickel, copper or silver; hardness, adhesion, hermetic sealing
02/26/1991US4996106 Used as dust-proof cover during exposure of photomask or reticle
02/26/1991US4996097 High capacitance laminates
02/26/1991US4996005 Conductive composition and method for manufacturing printed circuit substrate
02/26/1991US4995941 Method of manufacture interconnect device
02/26/1991US4995818 Bus bar interlayer connector structure in junction box
02/26/1991US4995551 Bonding electrical leads to pads on electrical components
02/26/1991US4995411 Mass soldering system providing an improved fluid blast
02/26/1991US4995156 Method for assembling components upon printed circuit boards
02/25/1991CA2023949A1 Solder paste formulation containing stannous fluoride
02/25/1991CA2023928A1 Process for soldering allowing low ionic contamination without cleaning operation
02/25/1991CA2023846A1 Process for the direct metallization of a non-conducting substrate
02/24/1991WO1991003081A1 Rotation lock and wipe connector
02/24/1991WO1991002647A1 Capacitor laminate for printed circuit board
02/23/1991WO1991003144A1 Multi-layer circuit board that suppresses radio frequency interference from high frequency signals
02/23/1991CA2011933A1 Backpanel having multiple logic family signal layers
02/22/1991CA2023629A1 Photosensitive aqueous developable gold conductor composition
02/22/1991CA2023628A1 Photosensitive aqueous developable copper conductor composition
02/22/1991CA2023602A1 Photosensitive semi-aqueous developable gold conductor composition
02/22/1991CA2023601A1 Photosensitive semi-aqueous developable copper conductor composition
02/22/1991CA2014649A1 Method for forming conductive traces on a substrate
02/21/1991WO1991002298A1 Use of a liquid electrophotographic toner with an overcoat permanent master in electrostatic transfer
02/21/1991WO1991002295A1 Illumination device for illuminating a metal-clad base material
02/21/1991WO1991002110A1 Treatment to reduce solder plating whisker formation
02/21/1991WO1991001894A1 Inhibited composition and method for stripping tin, lead or tin-lead alloy from copper surfaces
02/21/1991CA2014793A1 Method for applying a conductive trace pattern to a substrate
02/20/1991EP0413639A1 Assembly of parts forming a mutual angle and method for producing this assembly
02/20/1991EP0413614A2 Electrical connections and a method for making the same
02/20/1991EP0413540A2 Manufacture of printed circuit board assemblies
02/20/1991EP0413335A2 Method of mutually connecting electrode terminals
02/20/1991EP0413261A2 Process for removing tin and tin-lead alloy from copper substrates
02/20/1991EP0413161A1 Conductive connecting structure
02/20/1991EP0413109A2 Fabrication of printed circuit boards using conducting polymer
02/20/1991EP0413098A2 Method for the treatment of pieces in a pass-through plant and device for carrying out this method
02/20/1991EP0413045A1 Electrical circuit board
02/19/1991USRE33541 Surface-mounted power resistors
02/19/1991US4994938 Mounting of high density components on substrate
02/19/1991US4994895 Hybrid integrated circuit package structure
02/19/1991US4994783 Doping metal-free polymer
02/19/1991US4994771 Micro-connector to microstrip controlled impedance interconnection assembly
02/19/1991US4994352 Optical memory media
02/19/1991US4994349 Selectively plating, masking, radiating, removal and development
02/19/1991US4994329 Article having nickel plated film comprising a varying content of phosphorus
02/19/1991US4994326 Solder powders coated with fluorine compounds, and solder pastes
02/19/1991US4994302 Multilayer ceramics; firing green tape
02/19/1991US4994215 Method of fabricating complex microcircuit boards, substrates and microcircuits and the substrates and microcircuits
02/19/1991US4994202 Solvent cleaning; refrigerants, aersol propellants, blowing agents for polymers
02/19/1991US4994154 Filling voids by plating metals from solutions; controlling voltage to prevent overheating
02/19/1991US4994153 Removing carbon black from tooling holes with aqueous solution containing alkanolamine, anionic and nonionic surfactants, metal hydroxide
02/19/1991US4994133 Impregnating substrate with unsaturated polyester; curing
02/19/1991US4994119 Water soluble soldering flux
02/19/1991US4993965 Support for floated header/connector
02/19/1991US4993958 High density planar interconnect
02/19/1991US4993957 Contact pin
02/19/1991US4993148 Method of manufacturing a circuit board
02/19/1991US4993097 Circuit board deburring system
02/19/1991US4993096 Circuit board deburring system
02/19/1991CA1280516C Apparatus and method for temporarily sealing holes in printed circuit boards
02/19/1991CA1280477C High density flex connector system
02/19/1991CA1280476C Connector with compliant retainer
02/14/1991DE3925455A1 Belichtungsvorrichtung zum belichten eines metallkaschierten basismaterials An exposure apparatus for exposing a metal-clad base material
02/13/1991EP0412475A2 Cleaning composition of dibasic ester and hydrocarbon solvent, and cleaning process
02/13/1991CN1049191A Ternary azeotropic composition of 2,3-dichloro-1,1,1,3,3-pentafluoropropane with trans-1,2-dichloroethylene and methanol
02/13/1991CN1011629B Xeroprinting with photopolymer master
02/12/1991US4992527 Polyamide, polyimide, and polyamide-imide polymers of diamino-t-butylbenzene
02/12/1991US4992399 Ceramic, circuit substrate and electronic circuit substrate by use thereof and process for producing ceramic
02/12/1991US4992354 Dry film photoresist for forming a conformable mask and method of application to a printed circuit board or the like
02/12/1991US4992144 Hydrophilizing surface, electroless deposition of nickel or cobalt, forming microcracks, heating to volatalize components, electrolytic coating of copper
02/12/1991US4992139 Second layer with pattern on a first later, etching first later not residing under second; low resistance, rugged
02/12/1991US4992053 Electrical connectors
02/12/1991US4991666 Terminal pad for fixing a clawed pin to the edge of a hybrid circuit substrate and a connection formed thereby
02/12/1991US4991359 Method of abrading a hardened resin
02/12/1991US4991290 Flexible electrical interconnect and method of making
02/12/1991US4991287 Method for fabricating printed circuit boards
02/12/1991US4991286 Method for replacing defective electronic components