| Patents for H05K 3 - Apparatus or processes for manufacturing printed circuits (118,473) |
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| 08/05/1981 | EP0033155A1 Method of producing thermally and electrically stable metallic layers |
| 08/05/1981 | EP0033068A1 Process for reducing the concentration of chloride in a system containing ethylenically unsaturated chlorinated hydrocarbon, water and HCl |
| 08/05/1981 | EP0032932A1 Backup material and method for drilling |
| 08/05/1981 | EP0032931A1 Entry material and method for drilling circuit boards |
| 08/04/1981 | USRE30696 Comprising an ester of a polyhydric alcohol, an acid, an activator, and a hardener; printed circuits |
| 08/04/1981 | US4282559 Photoflash unit having flashlamps using looped lead-in wires for retention |
| 08/04/1981 | US4282558 Multilamp photoflash unit with circuit crossover |
| 08/04/1981 | US4282544 Encapsulated hybrid circuit assembly |
| 08/04/1981 | US4282314 Mask for selectively transmitting therethrough a desired light radiant energy |
| 08/04/1981 | US4282271 Dispersions for activating non-conductors for electroless plating |
| 07/29/1981 | EP0032537A2 Electrical socket bus |
| 07/29/1981 | EP0032530A1 Use of an apparatus for treating a board shaped object by a liquid |
| 07/28/1981 | US4281364 Multilamp photoflash unit construction |
| 07/28/1981 | US4281361 Simplified multilayer circuit board |
| 07/28/1981 | US4281038 Non-conductive substrate for a printed circuit and method of manufacture |
| 07/28/1981 | US4281034 Plating on plastics by softening with trichloroethylene and methylene chloride bath |
| 07/28/1981 | US4280977 Method of working ceramic green sheet |
| 07/28/1981 | US4280775 Hole drilling machine and work positioning system |
| 07/28/1981 | CA1106075A1 Interconnection pin for multilayer printed circuit boards and method for making same |
| 07/22/1981 | EP0032437A1 Thermocompression bonding tool |
| 07/22/1981 | EP0032179A2 Removal composition and process for removing a cured epoxy polymer from a substrate |
| 07/22/1981 | EP0032153A1 Plating resist with improved resistance to extraneous plating. |
| 07/21/1981 | US4279984 Positive resist for high energy radiation |
| 07/21/1981 | US4279073 Method for releasing printed wiring boards from printed wiring board racks |
| 07/21/1981 | CA1105568A1 Method for manufacturing spiral-seam-welded steel pipe with the use of a plurality of electrodes in tandem |
| 07/21/1981 | CA1105428A1 Photoflash unit with secured insulator |
| 07/21/1981 | CA1105333A1 Multi-layer vacuum evaporation deposition method |
| 07/15/1981 | EP0031852A1 Process and apparatus for continuous production of laminates |
| 07/14/1981 | US4278867 System for chip joining by short wavelength radiation |
| 07/14/1981 | US4278752 Flame retardant radiation sensitive element |
| 07/14/1981 | US4278739 Electroless metal plated laminates |
| 07/14/1981 | US4278712 Method for activating non-noble metal colloidal dispersion by controlled oxidation for electroless plating |
| 07/14/1981 | US4278707 Sealing, sizing |
| 07/14/1981 | US4278706 Method for making discrete electrical components |
| 07/14/1981 | US4278702 Method of making printed circuit board by induction heating of the conductive metal particles on a plastic substrate |
| 07/14/1981 | US4278557 Solvent mixture for dissolving and removing epoxy resinous compounds |
| 07/14/1981 | US4278511 Plug plating |
| 07/14/1981 | CA1105193A1 Epoxide resins |
| 07/14/1981 | CA1105093A1 Laser deposition of metal upon transparent materials |
| 07/09/1981 | WO1981001912A1 Fabrication of circuit packages |
| 07/09/1981 | WO1981001909A1 Multi-conductor flat cable and methods and apparatus for the manufacture and connectorization of same |
| 07/08/1981 | EP0031593A1 Radiation-polymerizable composition and radiation-sensible copying material produced therewith |
| 07/08/1981 | EP0031592A1 Photopolymerizable composition and photopolymerizable copying material produced therewith |
| 07/07/1981 | US4277548 Method of producing a charge plate for use in an ink recorder |
| 07/07/1981 | US4277518 Protecting copper tracks in printed circuits against oxidation |
| 07/07/1981 | US4277517 Diffusion, dopes, oxidation to form electroconductor pattern in dielectric material |
| 07/07/1981 | US4277321 Plasma etching to remove adhesive smears from holes |
| 07/07/1981 | US4277175 Method and apparatus for inspecting printed wiring boards |
| 07/07/1981 | CA1104684A1 Socket for vertically mounting multi-pin device |
| 07/07/1981 | CA1104683A1 Electrical connector and method of manufacture |
| 07/07/1981 | CA1104675A1 Flexible electrical jumper and method of making same |
| 07/07/1981 | CA1104669A1 Ceramic capacitor device |
| 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 | US4276186 Cleaning composition and use thereof |
| 06/30/1981 | US4275655 Method and apparatus for screen printing registered images on opposite sides of a web |
| 06/30/1981 | CA1104010A1 Methods of producing at least partially metallophobic surfaces on objects |
| 06/25/1981 | WO1981001784A1 Recessed circuit module |
| 06/24/1981 | EP0030641A2 Insulating coating for ceramic substrate and method to form such a coating |
| 06/24/1981 | EP0030634A1 Nickel-X/gold/nickel-X conductors for solid state devices |
| 06/24/1981 | EP0030574A1 Electrical connector and method of manufacture |
| 06/23/1981 | CA1103811A1 Metalized substrate having a thin film barrier layer |
| 06/23/1981 | CA1103810A1 Process for depositing a conducting metal layer on an insulating support |
| 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 |
| 06/17/1981 | EP0030267A1 Method of making contact with small electrically conducting wires |
| 06/17/1981 | EP0030233A1 Device for effecting a contact between the conductive paths of printed circuit boards and connection pins. |
| 06/16/1981 | US4273812 Method of producing material patterns by evaporating material through a perforated mask having a reinforcing bridge |
| 06/16/1981 | US4273804 Process using activated electroless plating catalysts |
| 06/16/1981 | US4273399 Transducer supporting and contacting means |
| 06/16/1981 | CA1103083A1 Phototropic dye system and photosensitive compositions containing the same |
| 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 | EP0030008A2 Miniature motor coil |
| 06/09/1981 | US4272607 Photosensitive resin composition |
| 06/09/1981 | US4272140 Arrangement for mounting dual-in-line packaged integrated circuits to thick/thin film circuits |
| 06/09/1981 | US4271588 Process of manufacturing a encapsulated hybrid circuit assembly |
| 06/09/1981 | CA1102927A1 Automated hybrid circuit board assembly apparatus |
| 06/09/1981 | CA1102924A1 Methods and apparatus for making scribed circuit boards |
| 06/09/1981 | CA1102921A1 Packaged microcircuit and method for assembly thereof |
| 06/02/1981 | US4271426 Leaded mounting and connector unit for an electronic device |
| 06/02/1981 | US4271258 Photopolymerizable ink compositions |
| 06/02/1981 | US4270985 Hydroxyalkyl (meth)acrylate-type monomer, polyester binder, free radical initiator, photoresist |
| 06/02/1981 | US4270823 Method of forming conductors in slots in a plate |
| 06/02/1981 | US4270465 Apparatus for screening paste solder onto leaded hybrid substrates |
| 06/02/1981 | US4270265 Method of manufacturing hybrid integrated circuit assemblies |
| 06/02/1981 | US4270260 Method for the salvage and restoration of integrated circuits from a substrate |
| 06/02/1981 | CA1102277A1 Method of applying and curing epoxy coating compositions using dicarbonyl chelate of group iiia- va element and uv irradiation |
| 06/02/1981 | CA1102276A1 Radiation curing in the presence of steam |
| 05/28/1981 | WO1981001494A1 Method for metalizing holes in insulating material |
| 05/27/1981 | EP0029061A1 Accelerated particle lithographic processing. |
| 05/26/1981 | US4269870 Stabilization of the electronic components inserted into printed circuits by coating the connectors with a melted solder-compatible compound and hardening; waxes; addition polymers |
| 05/26/1981 | US4269549 Method for drilling circuit boards |
| 05/26/1981 | US4269138 Apparatus for distributing liquid over a surface |
| 05/26/1981 | US4268956 Method of fabricating an interconnection cable |
| 05/26/1981 | US4268934 Cleaner for circuit boards |
| 05/20/1981 | EP0028749A2 Photopolymerisable composition and photopolymerisable recording material made therewith |
| 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 | US4268713 Flasher for vehicle lights |
| 05/19/1981 | US4268614 Photopolymerization, unsaturated resin polyepoxide, curing agent, |