Patents for H05K 3 - Apparatus or processes for manufacturing printed circuits (118,473) |
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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 |