Patents for H05K 1 - Printed circuits (98,583)
09/1981
09/23/1981EP0036320A1 Film of aromatic polyamide and process therefor
09/23/1981EP0036226A1 Electric connecting means
09/23/1981EP0036208A1 Photoflash device
09/22/1981US4291148 Process for preparation of a phenolic-polybutadiene-HCHO resin composition useful for laminated sheet
09/22/1981US4290838 Method for vacuum lamination of flex circuits
09/22/1981US4290748 Photoflash lamp array circuit board having radiation sensitive fuse elements
09/22/1981US4290747 Photoflash lamp array circuit board having radiation sensitive fuse elements
09/22/1981CA1109536A1 Means for connecting the headlamp of a car to a printed circuit
09/15/1981US4290052 Capacitive touch entry apparatus having high degree of personal safety
09/15/1981US4289829 Method for metallizing ceramic substrates and new, thus obtained products
09/15/1981US4289719 Method of making a multi-layer ceramic substrate
09/15/1981US4289534 Organic groups chemically bonded to metal powder making it nonconductive until it is fused
09/15/1981US4288916 Method of making mass terminable shielded flat flexible cable
09/15/1981CA1109042A1 Multilamp photoflash unit with electrostatic protection
09/09/1981EP0035187A2 Prolonged tack toners for the preparation of electric circuits
09/08/1981US4288840 Printed circuit board
09/08/1981US4288530 Method of tuning apparatus by low power laser beam removal
09/08/1981US4288359 Epoxy imide compositions
09/08/1981US4288282 Etching metallic foil, photoresist
09/08/1981CA1108790A1 Integral telephone set and handset
09/02/1981EP0034817A2 Use of prolonged tack toners for the preparation of electric circuits
09/01/1981US4287253 Made by adsorption of a metal salt onto a filler, and treatment with hydrazine
09/01/1981US4287014 Novel crosslinkable resin composition and method for producing a laminate using said composition
09/01/1981CA1108307A1 Hybrid integrated circuit and a method for producing the same
08/1981
08/25/1981US4285781 Noncracking coating from the electrodeposition of granular aluminum and anodizing; miniaturization; circuits
08/25/1981CA1107526A1 Photoflash lamp array having high voltage shorting type flash lamps and radiation sensitive switching elements
08/12/1981EP0033677A2 Assembly of printed-circuit cards and process for producing it
08/11/1981US4283758 Encapsulated neon lamps
08/11/1981US4283755 Modulator multilayer detector
08/11/1981US4283462 Smooth surfaces
08/05/1981EP0033121A1 Photoflash unit having a reflector
08/05/1981EP0032931A1 Entry material and method for drilling circuit boards
07/1981
07/28/1981US4281363 Multilamp photoflash unit with reflective-protective circuit board element
07/28/1981US4281361 Simplified multilayer circuit board
07/28/1981US4281360 High-voltage capacitor
07/28/1981US4281038 Non-conductive substrate for a printed circuit and method of manufacture
07/28/1981US4280977 Method of working ceramic green sheet
07/28/1981CA1106076A1 Inductive circuits fabrication process
07/28/1981CA1106048A1 Electrical interconnection assembly
07/15/1981EP0031852A1 Process and apparatus for continuous production of laminates
07/14/1981US4278707 Sealing, sizing
07/09/1981WO1981001909A1 Multi-conductor flat cable and methods and apparatus for the manufacture and connectorization of same
07/07/1981US4277528 Ceramic substrate
07/07/1981CA1104684A1 Socket for vertically mounting multi-pin device
07/01/1981EP0031283A2 Protective circuit for a switching circuit
07/01/1981EP0031240A2 An electrical component comprising semiconductor chips
07/01/1981EP0030993A1 Mounting plate for an electric or electronic construction unit
06/1981
06/30/1981US4276630 Electronic watch movement
06/30/1981US4276522 Circulator in a stripline microwave transmission line circuit
06/25/1981WO1981001784A1 Recessed circuit module
06/24/1981EP0030634A1 Nickel-X/gold/nickel-X conductors for solid state devices
06/23/1981US4275462 Electronic timepiece
06/23/1981CA1103811A1 Metalized substrate having a thin film barrier layer
06/23/1981CA1103794A1 Cabinets for electric or electronic equipment
06/17/1981EP0030335A2 Electroconductive board
06/17/1981EP0030293A1 Method of achieving uniform shrinkage in a laminated planar green ceramic substrate during sintering and apparatus therefor
06/16/1981US4273822 Glass frit
06/16/1981US4273583 Flake silver powders with chemisorbed monolayer of dispersant
06/10/1981EP0030167A1 Connecting device for the multiplexing of electronic microcircuits, and read-write head and display panel using this method
06/10/1981EP0029985A1 Printed wiring board for recording or displaying information
06/10/1981EP0029877A1 Magnetic printing head and method of manufacture
06/09/1981US4272500 Process for forming mullite
06/02/1981US4271236 Air fireable end termination compositions for multilayer capacitors based on nickel borides
06/02/1981US4270823 Method of forming conductors in slots in a plate
06/02/1981US4270265 Method of manufacturing hybrid integrated circuit assemblies
06/02/1981CA1102106A1 Conductor compositions
05/1981
05/26/1981US4268956 Method of fabricating an interconnection cable
05/20/1981EP0028819A1 A thick film copper conductor composition and a dielectric substrate having a thin layer of the composition bonded thereto
05/20/1981EP0028802A1 Electrically insulating substrate and a method of making such a substrate
05/20/1981EP0028657A1 Hollow multilayer printed wiring board, and method of fabricating same
05/19/1981US4268891 Multilamp photoflash unit having grounded reflector
05/19/1981US4268584 Nickel-X/gold/nickel-X conductors for solid state devices where X is phosphorus, boron, or carbon
05/19/1981US4268433 1,2-Polybutadiene compositions and cured flame retarded 1,2-polybutadiene resin materials
05/19/1981US4268339 Process for radiation cured continuous laminates
05/19/1981US4268337 Sheet molding material produced by associating a layer comprising a photopolymerizable material with layers comprising thermosetting resins
05/12/1981US4267520 Hybrid component for very high frequency amplification
05/12/1981US4267088 Comprising aqueous solutions of epichlorohydrin or ethylene oxide modified polyethyleneimine
05/12/1981CA1101141A1 Planar printed circuit board arrangement useful in the uhf portion of a television tuner
05/06/1981EP0028051A1 Air fireable end termination compositions for multilayer capacitors based on nickel borides
05/06/1981EP0027825A1 Ceramic base
05/05/1981US4266091 Layer-built laminated bus embedding condensers
05/05/1981US4265942 Non-noble metal colloidal compositions comprising reaction products for electroless deposition
05/05/1981US4265549 Flat flexible printed circuit cable for a print head
04/1981
04/29/1981EP0027568A1 Process for preparing resin impregnated substrates, resin impregnated substrate and electrical laminate therefrom
04/29/1981EP0027496A1 Hearing aid device with a conductor plate acting as a carrier for conducting strips, and electrical and mechanical component parts and stages
04/28/1981CA1100165A1 Pushbutton switch assembly for telecommunications and other input apparatus
04/28/1981CA1099905A1 Electric part insertion method and apparatus
04/21/1981US4263341 Conductive coating by spraying while partially blocking holes
04/16/1981WO1981001079A1 Thin film structure for ceramic substrates
04/15/1981EP0027047A2 Printed circuit board
04/15/1981EP0026839A1 Flexible printed circuit
04/15/1981EP0026807A1 Multilayer module with constant characteristic wave impedance
04/14/1981US4262295 Semiconductor device
04/14/1981US4262085 Process for preparation of metal patterns on insulating carrier materials
04/14/1981US4261773 Electrical connection means for a linear photoflash lamp array
04/08/1981EP0026310A2 Fire protection finish for resol-type resinous laminates
04/07/1981US4260963 4:1 Balun
04/07/1981US4260449 Method of forming a printed circuit
04/07/1981CA1098946A1 Electrical switch
03/1981
03/31/1981US4259564 Integrated thermal printing head and method of manufacturing the same