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