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