| Patents for H05K 3 - Apparatus or processes for manufacturing printed circuits (118,473) | 
|---|
| 02/10/1981 | US4249302 Multilayer printed circuit board | 
| 02/05/1981 | WO1981000310A1 Plating resist with improved resistance to extraneous plating | 
| 02/04/1981 | EP0023400A1 Leadless packages for semiconductor devices | 
| 02/04/1981 | EP0023324A1 Coating process | 
| 02/04/1981 | EP0023294A2 Method for repairing integrated circuits | 
| 02/04/1981 | EP0023240A1 Method of activating plastic surfaces | 
| 02/03/1981 | US4249230 Photoflash unit utilizing circuit board having flashlamps clamped thereto | 
| 02/03/1981 | US4248921 Method for the production of electrically conductive and solderable structures and resulting articles | 
| 02/03/1981 | US4248633 Universal copper-plating solution | 
| 02/03/1981 | US4248075 Method of forming aperture with rounded edges in sheet material | 
| 02/03/1981 | US4247981 Methods of assembling interconnect members with printed circuit boards | 
| 02/03/1981 | CA1094929A1 Adhesion promoter for additively plated printed circuit boards | 
| 02/03/1981 | CA1094811A1 Apparatus for treatment of sheet material with the use of ferromagnetic powder | 
| 01/28/1981 | EP0022934A1 Electrooptical display device, especially liquid crystal display | 
| 01/27/1981 | US4247864 Light emitting diode assembly | 
| 01/27/1981 | US4247611 Acetal resin, acid doner | 
| 01/27/1981 | CA1094502A1 Electrolytically etching masked gold layer without exceeding the chemical etching rate | 
| 01/27/1981 | CA1094431A1 Deposition mask and methods of making same | 
| 01/27/1981 | CA1094377A1 Dry system image producing element having a photosensitive layer on a metal layer | 
| 01/21/1981 | EP0022580A1 Advantageous fabrication technique for devices relying on magnetic properties | 
| 01/20/1981 | US4246627 Electrical circuit element with multiple conection pins for solder plug-in connection | 
| 01/20/1981 | US4246147 Screenable and strippable solder mask and use thereof | 
| 01/20/1981 | CA1094226A1 Printed wiring board comprising a conductive pattern retreating at least partly in a through-hole | 
| 01/14/1981 | EP0022279A1 Method of manufacturing an optically transparent and electroconductive thin-film pattern | 
| 01/13/1981 | US4245189 Probe assembly for measuring conductivity of plated through holes | 
| 01/13/1981 | US4244789 By pretreating with a water soluble polymer dispersed in a hydrophilic water insoluble film | 
| 01/13/1981 | US4244109 Apparatus for mounting and aligning printed circuit board | 
| 01/07/1981 | EP0021894A1 Method and device for interconnecting electronic components | 
| 01/07/1981 | EP0021697A2 Electrode probe | 
| 01/07/1981 | EP0021672A1 Oriented polypropylene film substrate and method of manufacture | 
| 01/07/1981 | EP0021402A2 Integrated circuit board | 
| 01/07/1981 | EP0021149A1 Cleaning composition, process for its production and its use | 
| 01/07/1981 | EP0021087A1 Method of preparing macrocrystalline or monocrystalline films of metals or alloys and application of the method to the manufacture of semiconductor circuits and contact electrodes | 
| 01/06/1981 | US4243743 Photosensitive compositions | 
| 01/06/1981 | US4243700 Method of rendering an ink strippable | 
| 01/06/1981 | US4243474 Process of producing a printed wiring board | 
| 01/06/1981 | US4243460 Conductive laminate and method of producing the same | 
| 01/06/1981 | CA1093169A1 Electrical connector for use in flat, stepped layer cable systems | 
| 12/30/1980 | US4242720 Integrated circuit mounting board having internal termination resistors | 
| 12/30/1980 | US4242719 Solder-weld P.C. board apparatus | 
| 12/30/1980 | US4242401 Screen-printing mask | 
| 12/30/1980 | US4242378 Method of making a decorated film with a metal layer in the form of a given pattern | 
| 12/30/1980 | US4242157 Using a curable dielectric adhesive which remains tacky during testing | 
| 12/30/1980 | US4241968 Electrical connector with floating connection adjustor | 
| 12/23/1980 | US4241436 Method of manufacturing of electronic modules for timepieces and electronic module obtained by carrying out this method | 
| 12/23/1980 | US4240945 Solder mask composition | 
| 12/23/1980 | US4240888 Suspension of carbon or graphite powders in electrolyte, dissolved vanadium compound | 
| 12/23/1980 | US4240453 Apparatus for the treatment of surfaces involving the use of at least a solvent | 
| 12/23/1980 | CA1092205A1 Electrolytic capacitor with self-retaining lead assembly | 
| 12/23/1980 | CA1091917A1 Dielectric compositions of zirconates and/or aluminates and devices thereof | 
| 12/23/1980 | CA1091916A1 Dielectric compositions of glass and magnesium titanates | 
| 12/16/1980 | US4239813 Process for forming printed wiring by electroless deposition | 
| 12/16/1980 | US4239812 Pretreatment of printed circuits with wax to fill apertures and act as temporary cement | 
| 12/16/1980 | US4239789 Exposing regions where plating is sought to an energy beam | 
| 12/16/1980 | US4239387 Compact transport apparatus especially for removal of material by ultrasonic assist | 
| 12/16/1980 | CA1091818A1 Method and apparatus for mounting devices on a substrate | 
| 12/16/1980 | CA1091813A1 Method of selectively depositing a metal on a surface | 
| 12/11/1980 | WO1980002752A1 Accelerated particle lithographic processing and articles so produced | 
| 12/11/1980 | WO1980002662A1 Device for effecting a contact between the conductive paths of printed circuit boards and connection pins | 
| 12/10/1980 | EP0019836A1 Unipolar multiple tap-changing device for circuits on printed boards | 
| 12/10/1980 | EP0019802A2 Soldering mask composition to be processed by a screen printing process and subsequently removed and process for producing a removable soldering mask | 
| 12/10/1980 | EP0019667A1 Fixing means for a liquid crystal display device on a support plate | 
| 12/09/1980 | US4238848 Electronic timepiece | 
| 12/09/1980 | US4238559 Photoresists | 
| 12/09/1980 | US4238528 Coating electronic circuits with a polyamide, solvent, and nonionic fluorocarbon surfactant; curing to a polyimide | 
| 12/09/1980 | US4238527 Method of providing metal bumps on an apertured substrate | 
| 12/09/1980 | US4238277 For propagating and detecting magnetic domains | 
| 12/09/1980 | US4237606 Method of manufacturing multilayer ceramic board | 
| 12/02/1980 | US4237469 Electrostatic write head | 
| 12/02/1980 | US4237210 Aqueous photoresist method | 
| 12/02/1980 | US4237086 Method for releasably mounting a substrate on a base providing heat transfer and electrical conduction | 
| 12/02/1980 | US4236777 Integrated circuit package and manufacturing method | 
| 12/02/1980 | US4236776 Electrical contact with improved means for solder wicking and degassing | 
| 12/02/1980 | US4236306 Method for mounting devices on a substrate | 
| 12/02/1980 | US4236301 Apparatus for mounting devices on a substrate | 
| 12/02/1980 | CA1090910A1 Terminal for printed circuits | 
| 12/02/1980 | CA1090739A1 Upper frame section of a shower partition with clothes and laundry holder | 
| 12/02/1980 | CA1090546A1 Machines for board mounting and socket mounting components | 
| 11/27/1980 | WO1980002633A1 Hollow multilayer printed wiring board,and method of fabricating same | 
| 11/27/1980 | WO1980002632A1 Method of forming electrical wire paths on an insulator substrate | 
| 11/27/1980 | WO1980002570A1 Solution for activation of dielectric surface and obtaining conducting layer thereon | 
| 11/26/1980 | EP0019499A1 Method of making a supporting chassis for printed circuits especially utilized in a television receiver | 
| 11/26/1980 | EP0019385A1 A planar-faced charge electrode structure for ink jet printers and method of fabricating such a structure | 
| 11/26/1980 | EP0019064A1 Chemical or electrochemical process for selectively removing material | 
| 11/25/1980 | CA1090438A1 Electrical connector having spaced contacts at surfaces of an elastomeric body and its method of manufacture | 
| 11/25/1980 | CA1090408A1 Process for the preparation of printing forms and/or metallized images | 
| 11/18/1980 | US4234631 Aqueous bath containing plumbous and stannous salts, a thiourea, and hydrochloric or -bromic acid | 
| 11/18/1980 | US4234628 Two-step preplate system for polymeric surfaces | 
| 11/18/1980 | US4234626 Producing printed circuits by conjoining metal powder images | 
| 11/18/1980 | US4234395 Printed circuits, aluminum alloy, electroplating copper, overplating with zinc or indium | 
| 11/18/1980 | US4234373 Method and apparatus for vacuum lamination of flex circuits | 
| 11/18/1980 | US4234367 Method of making multilayered glass-ceramic structures having an internal distribution of copper-based conductors | 
| 11/18/1980 | US4233863 Foil applicator tool | 
| 11/18/1980 | CA1089971A1 Switch device for printed circuit board and circuit structure | 
| 11/12/1980 | EP0018557A1 Apparatus and method for dressing a chip site on a substrate | 
| 11/12/1980 | EP0018500A1 Electroplating with a selective increase of the deposition rate | 
| 11/12/1980 | EP0018499A1 Selective electroless plating process for the surfaces of a workpiece | 
| 11/11/1980 | US4233395 Containing a mercaptan to promote adhesion to copper or its alloy | 
| 11/11/1980 | US4233344 Method of improving the adhesion of electroless metal deposits employing colloidal copper activator | 
| 11/11/1980 | US4233113 Used for printed circuits |