Patents for H05K 3 - Apparatus or processes for manufacturing printed circuits (118,473)
12/1981
12/22/1981US4307181 Masking agent for the deposition of a material and method for such a deposition using this masking agent
12/22/1981US4307179 Photoresist patterns
12/22/1981US4306933 Tin/tin-lead stripping solutions
12/22/1981US4306925 Method of manufacturing high density printed circuit
12/16/1981EP0041928A1 A method to braze by the Joule effect an electroconductive element onto a silk-screen printed support or the like as well as a device and product relating the same
12/16/1981EP0041857A1 Solder delivery device
12/16/1981EP0041678A2 Process for the production of highly heat-resistant relief structures, and their use
12/16/1981EP0041643A2 Self-trimming photosensitive layer
12/16/1981EP0041642A2 Integrated laminating process
12/16/1981EP0041640A2 Photopolymerizable composition
12/16/1981EP0041639A2 Laminating process
12/15/1981US4305997 Electrolessly metallized product of non-catalytic metal or alloy
12/15/1981US4305975 Electroless plating
12/15/1981US4305436 Wire tensioning apparatus
12/15/1981US4305204 Method for making display device
12/09/1981EP0041332A2 Apparatus for, and a method of, inserting electrical terminals into an electrical connector housing
12/09/1981EP0041083A1 Method of making a thin film
12/08/1981US4304849 Methods of depositing metallic copper on substrates
12/08/1981US4304841 Disulfide compound to lower sensitivity to oxygen
12/08/1981US4304646 Method for selective removal of copper contaminants from activator solutions containing palladium and tin
12/08/1981US4304640 Method of plating solder onto printed circuit boards
12/08/1981US4304624 Method of fabricating a multi-layer structure for detector array module
12/08/1981US4304536 Green sheet support fixture speed and position control system for a screening machine
12/08/1981CA1113985A1 Illuminated pushbutton assembly
12/02/1981EP0040942A1 Electrical contact receptacle for substrate to printed circuit board connection
12/02/1981EP0040905A1 The manufacture of ceramic circuit substrates
12/02/1981EP0040843A1 Laminating process
12/02/1981EP0040842A1 Laminating process
12/01/1981US4303798 Heat shock resistant printed circuit board assemblies
12/01/1981US4303715 Printed wiring board
12/01/1981US4303698 Use of prolonged tack toners for the preparation of electric circuits
12/01/1981US4303480 Electroplating of thick film circuitry
12/01/1981US4303297 Socket structure for electrical components
12/01/1981US4303291 Method of seating connector terminals on circuit board contact pads
12/01/1981CA1113560A1 Leaded mounting and connector unit for an electronic device
12/01/1981CA1113355A1 Chemical etching of polymers for metallizing
12/01/1981CA1113296A1 Process for making electrode with integral dielectric layer
11/1981
11/25/1981EP0040424A1 Negative-working dry peel apart photopolymer element
11/25/1981EP0040379A1 Improved printed wire board sub-assembly for a hybrid thick film circuit
11/25/1981EP0040190A1 Method for metalizing holes in insulating material.
11/24/1981US4302737 RC Network
11/24/1981US4302625 Multi-layer ceramic substrate
11/24/1981US4302501 Porous, heat resistant insulating substrates for use in printed circuit boards, printed circuit boards utilizing the same and method of manufacturing insulating substrates and printed circuit boards
11/24/1981US4302268 Process for preparing flexible printed-circuit board
11/24/1981US4302067 Edge connectors for circuit cards and methods of assembly
11/24/1981US4301580 Manufacture of multi-layered electrical assemblies
11/24/1981CA1113107A1 Photosensitive copying composition
11/18/1981EP0040067A1 Strip line cable
11/18/1981EP0040010A1 Flat electrical cable with connecting pins
11/18/1981EP0040002A1 Water-dispersible energy curable heterocyclic group-containing polyesters
11/17/1981US4301324 Glass-ceramic structures and sintered multilayer substrates thereof with circuit patterns of gold, silver or copper
11/17/1981US4301230 Oriented polystyrene support for photopolymerizable element
11/17/1981US4301192 Method for coating thru holes in a printed circuit substrate
11/17/1981US4301190 Pretreatment with complexing agent in process for electroless plating
11/17/1981US4301189 Method for applying a solder resist ink to a printed wiring board
11/11/1981EP0039472A1 Radiation-crosslinkable polyesters and polyesterethers
11/11/1981EP0039445A2 Means for illuminating printed circuit boards
11/10/1981US4300184 Conformal coating for electrical circuit assemblies
11/10/1981US4300146 Electrostatic write head
11/10/1981US4300115 Multilayer via resistors
11/10/1981US4299873 Plurality of ceramic substrates containing conductive patterns and separated by dielectric bonding layers
11/10/1981US4299866 Rupturing polymer surface and applying a second polymer
11/10/1981US4299863 With aqueous solution of ferric chloride followed by hydrogen peroxide
11/10/1981US4299670 Where surface is exposed to a benzotriazole compound
11/10/1981US4299430 Lamp holder for baseless lamp
11/10/1981US4299031 Plotting device
11/10/1981CA1112372A1 Method of reinforcing a conductive base pattern by electroplating
11/10/1981CA1112371A1 Method of providing spacers on an insulating substrate
11/10/1981CA1112312A1 Carrier strip for round lead pins and method for making same
11/10/1981CA1112205A1 Method of and apparatus for electrochemically processing metallic surfaces
11/10/1981CA1112065A1 Multiple photoflash unit having grounded reflector
11/04/1981EP0038931A2 Substrate and integrated circuit module with this substrate
11/03/1981US4298856 Metallized resistor and methods of manufacturing and adjusting the resistance of same
11/03/1981US4298786 Thin film thermal print head
11/03/1981US4298770 Printed board
11/03/1981US4298636 Process for activating plastic surfaces for metallization thereof by treatment with a complex forming solution
11/03/1981US4298444 Vacuum sputtering from two or more sources
11/03/1981US4298424 Dissolving inorganic filler with borofluoric acid
11/03/1981US4298407 Organic flux to lower electrical conductivity and to obscure eutectic domains on alloy particles
11/03/1981US4297773 Method of manufacturing a monolithic ceramic capacitor
11/03/1981CA1111817A1 Shield connection in photoflash array
10/1981
10/29/1981WO1981003105A1 Operation line for production of printed-circuit cards
10/28/1981EP0038447A1 Apparatus for partially electroplating conductive surfaces or surfaces rendered conductive
10/28/1981EP0038422A1 Die-stamped circuit board assembly for photoflash devices and method of making
10/27/1981US4297435 Consisting of a triarylmethane leuco dye and a bromo-substituted cyclohexane
10/27/1981US4297397 Mixing catalysts of group 1b and 8 metals and compounds of group 2a, 3, 4, 5, 6 and 7 metals
10/27/1981US4297257 Metal stripping composition and method
10/27/1981US4297177 Method and composition for electrodepositing palladium/nickel alloys
10/27/1981US4296993 Electrical contact with improved means for solder wicking and degassing
10/27/1981US4296548 Method for splicing an electrical cable
10/27/1981CA1111569A1 Wire scribed circuit board and method for the manufacture thereof
10/27/1981CA1111398A1 Photoflash array and method of construction
10/21/1981EP0038174A2 Process of forming a magnetic toner resist using a transfer member
10/21/1981EP0037988A1 Method of applying electrically conductive paths to an insulating support
10/21/1981EP0037936A2 Method of making printed circuit boards
10/20/1981US4296457 Apparatus for electrically connecting a plurality of contacts
10/20/1981US4296272 Composite substrate
10/20/1981US4296146 Method for removing resist layer from substrate with combustible gas burnoff
10/20/1981US4295711 Liquid crystal display device
10/20/1981US4295700 Interconnectors