Patents for H05K 3 - Apparatus or processes for manufacturing printed circuits (118,473)
10/1991
10/01/1991US5053916 Surface-mounted multilayer capacitor and printed circuit board having such a multilayer capacitor
10/01/1991US5053881 Break away video board for a television chassis and method of manufacture
10/01/1991US5053358 Method of manufacturing hermetically sealed compression bonded circuit assemblies
10/01/1991US5053357 Method of aligning and mounting an electronic device on a printed circuit board using a flexible substrate having fixed lead arrays thereon
10/01/1991US5053318 Coating substrate with photoresist, electroless plating of catalyst, exposure to radiation, development
10/01/1991US5053280 Adhesive composition for printed wiring boards with acrylonitrile-butadiene rubber having carboxyl groups and 20 ppm or less metal ionic impurities; an alkyl phenol resin; an epoxy resin; palladium catalyst, and coupling agent
10/01/1991US5053195 Wetting metal powder with liquid metal; mechanically alloying in mixer
10/01/1991US5053183 Method of handling green ceramic cards
10/01/1991US5053099 Film bonding method and apparatus for performing same
10/01/1991US5052954 Solder-bearing terminal pin and lead
10/01/1991US5052935 Prewired circuit module
10/01/1991US5052612 Process for soldering allowing low ionic contamination without cleaning operation
10/01/1991US5052338 Apparatus for dispensing viscous materials a constant height above a workpiece surface
10/01/1991US5052291 Screen printing method comprising printing pressure regulation
10/01/1991US5052155 Apparatus for the treatment of articles by high velocity impacting thereof with a particulate abrasive material
10/01/1991US5052103 Clearances defined between glass fabric and resin in through holes filled with thermosetting resin
10/01/1991US5052102 Laser induced electrical connection of integrated circuits
10/01/1991CA1289990C Die attach pickup tools
10/01/1991CA1289803C Photoresist composition and printed circuit boards and packages made therewith
09/1991
09/30/1991CA2039557A1 Protected conductive foil assemblage and procedure for preparing same using static electrical forces
09/28/1991CA2039192A1 Solder delivery system
09/28/1991CA2038963A1 Photopolymerizable mixture and recording material prepared therefrom
09/26/1991DE4108986A1 Mfg. interconnected stacked multilayer plates - comprises forming insulating layers between conducting boards and hardening lacquer filling
09/26/1991DE4009563A1 Waessrig entwickelbares, negativ wirkendes, elektrophoretisch abscheidbares und photohaertbares beschichtungsmittel sowie seine verwendung zur herstellung von leiterbahnen Aqueous developable negative-acting, electrodepositable and photocurable coating medium and its use for the production of strip conductors
09/26/1991DE4009225A1 Verfahren zum herstellen von streifenleitern, insbesondere fuer elektronische hybrid-schaltungen im hochfrequenzbereich Method for the manufacture of strip conductors, particularly for electronic hybrid circuits in high frequency range
09/25/1991WO1991014972A1 Coating material with negative effect, which can be developed in water, precipitated by electrophoresis and hardened by light, and its use to manufacture conductive tracks
09/25/1991EP0448266A2 Surface mountable semiconductor device having self loaded solder joints
09/25/1991EP0448248A2 Process for making thick multilayers
09/25/1991EP0447677A2 Fluxless solder coating and joining process
09/25/1991EP0447642A1 Process for the continuous production of laminated sheets
09/25/1991EP0307425B1 Mounting arrangement for a chip carrier
09/25/1991CN1054836A Autodeposition emulsion and method of using thereof to selectively protect metallic surfaces
09/25/1991CN1054793A Ternavy azeotropic compositions of dichloropenta fluoropropane and trans-1,2-dichloroethylene with methanol or ethanol or isopropanol
09/25/1991CN1054792A Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane with methanol and 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane
09/25/1991CN1054791A Stabilized constant-boiling, azeotrope or azeotrope-like compositions of dichlorotrifluoroethane; 1,1-dichloro-1-fluoroethane, with methanol and/or ethanol
09/25/1991CN1054790A Azeotropic compositions of perfluoro-1, 2-dimethylcyclobutane with 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane
09/25/1991CA2078682A1 Coating material with negative effect, which can be developed in water, precipitated by electophoresis and hardened by light, and its use to manufacture conductive tracks
09/24/1991US5051813 Plastic-packaged semiconductor device having lead support and alignment structure
09/24/1991US5051811 Solder or brazing barrier
09/24/1991US5051555 Hot-bar suspension system
09/24/1991US5051542 Low impedance bus bar
09/24/1991US5051381 Vanadium oxide, zinc oxide, boron oxide, silicon oxide and aluminum oxide with a group 2A metal oxide glass
09/24/1991US5051366 Plates, circuit bars, flexible circuits and resilient pads
09/24/1991US5051339 Method and apparatus for applying solder to printed wiring boards by immersion
09/24/1991US5051312 Contacting a polymer with a modifier while irradiating with actinic radiation to form a pattern
09/24/1991US5051219 Automatic handling of green ceramic tapes
09/24/1991US5051154 Copper salt, an electrolyte and an organic additive for modification of the charge transfer overpotential
09/24/1991US5051147 Laminator for cut-sheet lamination
09/24/1991US5051136 Procedure for washing circuit boards and means for use in said procedure
09/24/1991US5051097 Shape-memory metal core electrical contactor
09/24/1991US5050498 Stencil manufacturing and printing process and apparatus
09/24/1991US5050454 Engine/automatic transmission unified control device
09/24/1991US5050295 Multilayer through hole connections
09/24/1991CA2034462A1 Uv-curable epoxy silicones
09/24/1991CA1289680C Circuit board with grooves and coaxial circuits formed therein
09/24/1991CA1289642C Tag and method
09/24/1991CA1289641C Method of making tags
09/20/1991CA2025778A1 Film sticking method and apparatus
09/19/1991WO1991014015A1 Method and materials for forming multi-layer circuits by an additive process
09/19/1991WO1991013967A1 Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane with methanol and 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane
09/19/1991WO1991013934A1 Ternary azeotropic compositions of dichloropentafluoropropane and trans-1,2-dichloroethylene with methanol or ethanol or isopropanol
09/19/1991WO1991013846A1 1,1,2,2,3,3-hexafluorocyclopentane and use thereof in compositions and processes for cleaning
09/19/1991DE4023619A1 Metallising electrically insulating substrate surface - by first impregnating with oxidant and gas phase deposition of conductive polymer, esp. used for fibre material
09/19/1991DE4008542A1 Printed circuit boards - uses adaptor phases to fix non standard elements onto boards
09/19/1991DE4008215A1 Base material for electrical conductor patterns - comprises substrate covered with layer of mesoscopic metal particles on which conductor tracks can be made by irradiation
09/18/1991EP0446835A1 Galvanizing process
09/18/1991EP0446656A1 Method of manufacturing a multilayer circuit board
09/18/1991EP0446622A1 Device for fixing electrical conductors
09/18/1991EP0446580A1 Solder interconnection structure with encapsulant and composition of the latter
09/18/1991EP0446522A1 Electroless copper plating process
09/18/1991EP0446442A1 Poly(arylene sulfide) printed circuit boards having a good metal adhesion
09/18/1991EP0446367A1 Control device
09/18/1991EP0446346A1 Three dimensional microcircuit structure and process for fabricating the same from ceramic tape
09/18/1991CN2085141U Combined welder for circuit board
09/18/1991CN1054611A 1,1,2,2,3,3,-hexafluorocyclopentane and use thereof in compositions and processes for cleaning
09/17/1991WO1991013697A1 Method and apparatus for cleaning
09/17/1991US5050038 Heat sink device or surface mount type component mounted on a printed circuit board
09/17/1991US5049974 Interconnect device and method of manufacture thereof
09/17/1991US5049728 IC card system with removable IC modules
09/17/1991US5049628 Unsaturated group-containing polycarboxlic acid resin, resin composition and solder resist resin composition comprising the same and cured product thereof
09/17/1991US5049480 Photosensitive aqueous developable silver conductor composition
09/17/1991US5049434 Pre-patterned device substrate device-attach adhesive transfer system
09/17/1991US5049244 Method of manufacturing double-sided wiring substrate
09/17/1991US5049234 Water, hydrofluoric acid, nitric acid
09/17/1991US5049230 Single step pre-swelling and etching of plastics for plating
09/17/1991US5049221 Process for producing a copper-clad laminate
09/17/1991US5049201 Crown compounds
09/17/1991US5049089 Low cost arch connector
09/17/1991US5049084 Electrical circuit board interconnect
09/17/1991US5048965 Three-dimensional imaging technique with occlusion avoidance
09/17/1991US5048747 Solder assembly of components
09/17/1991US5048744 Improved wetting during fusion
09/17/1991US5048742 Solder-desolder modular station
09/17/1991US5048549 Apparatus for cleaning and/or fluxing circuit card assemblies
09/17/1991US5048375 Method for constructing a rotating cutting tool
09/17/1991US5048180 Method of bonding a semiconductor device with a substrate
09/17/1991US5048178 Alignment--registration tool for fabricating multi-layer electronic packages
09/17/1991US5048166 Method of making rigid-flexible multilayer board system
09/17/1991CA2050333A1 Cleaning method and cleaning apparatus
09/17/1991CA1289123C Locking brackets for auxiliary hanger-rods