| Patents for H05K 3 - Apparatus or processes for manufacturing printed circuits (118,473) |
|---|
| 09/17/1991 | CA1289006C Computer aided printer-etcher |
| 09/13/1991 | WO1991013946A1 Azeotropic compositions of perfluoro-1,2-dimethylcyclobutane with 1,1-dichloro-1-fluoroethane or dichlorotrifluoroethane |
| 09/13/1991 | CA2077913A1 Azeotropic compositions of perefluoro-1,2- dimethylcyclobutane with 1,1-dichloro-1- fluoroethane or dichlorotrifluoroethane |
| 09/13/1991 | CA2077912A1 Ternary azeotropic compositions of dichloropentafluoropropane and trans-1,2- dichloroethylene with methanol or ethanol or isopropanol |
| 09/11/1991 | EP0446112A1 Elastomer connector for integrated circuits of analogous devices, and its fabrication method |
| 09/11/1991 | EP0445968A1 Low-temperature sinterable inorganic composition having low dielectric constant |
| 09/11/1991 | EP0445881A1 Method of manufacturing conductor tracks |
| 09/11/1991 | EP0445870A1 Method of repairing a defect in a lithographic mask |
| 09/11/1991 | EP0445759A1 Multilayer structures with layer interconnection |
| 09/11/1991 | EP0445728A1 Apparatus and method for cleaning solid surface |
| 09/11/1991 | EP0445438A1 Azeotrope-like solvents mixture and process for cleaning electronic components using them |
| 09/11/1991 | EP0445174A1 Process and device for cleaning objects. |
| 09/11/1991 | EP0417211A4 Conversion of manganate to permanganate |
| 09/11/1991 | EP0368943A4 Process and composition for preparing printed circuit through-holes for metallization |
| 09/11/1991 | CN2084709U Table circuit board welding machine |
| 09/11/1991 | CN1054495A Photosensitive aqueous developable gold conductor composition |
| 09/11/1991 | CN1054441A 共沸溶剂组合物 Azeotropic solvent composition |
| 09/10/1991 | US5047896 Assembly of multi-layer circuit boards secured by plastic rivets |
| 09/10/1991 | US5047895 Flexible printed circuit board |
| 09/10/1991 | US5047714 Printed circuit board and a method of recognizing the position of surface mounted parts |
| 09/10/1991 | US5047368 Forming arrangement of conductor paths and integrated circuits on ceramic substrate, filling spaces with sintered nonconducting glass paste, planar, antiaccess material, observation impeding inclusions |
| 09/10/1991 | US5047313 Photosensitive semi-aqueous developable copper conductor composition |
| 09/10/1991 | US5047281 Surface bonding zones |
| 09/10/1991 | US5047279 Glass fiber nonwoven cloth impregnated with thermosetting resin |
| 09/10/1991 | US5047262 Masking Circuits With Removable Acrylic Resin |
| 09/10/1991 | US5047260 Curing by UV radiation an interior coating of silver-coated magnetite particles suspended in a polymer |
| 09/10/1991 | US5047128 Electrodialysis cell for removal of excess electrolytes formed during electrodeposition of photoresists coatings |
| 09/10/1991 | US5047114 Process for the production of metal clad thermoplastic base materials and printed circuits on thermoplastic base materials |
| 09/10/1991 | US5046971 Terminal pins for flexible circuits |
| 09/10/1991 | US5046966 Coaxial cable connector assembly |
| 09/10/1991 | US5046957 Solder plate assembly and method |
| 09/10/1991 | US5046955 Active connector assembly |
| 09/10/1991 | US5046954 Planar electrical connector |
| 09/10/1991 | US5046953 Method and apparatus for mounting an integrated circuit on a printed circuit board |
| 09/10/1991 | US5046658 Method and apparatus for soldering articles |
| 09/10/1991 | US5046415 Composite stencil for screen printing |
| 09/10/1991 | US5046414 Screen printing machine |
| 09/10/1991 | US5046264 Method and apparatus for continuously drying boards coated on both sides |
| 09/10/1991 | US5046238 Method of manufacturing a multilayer circuit board |
| 09/10/1991 | CA2037479A1 Process for making thick multilayers of polyimide |
| 09/10/1991 | CA1288802C Permanent master with a persistent latent image for use in electrostatic transfer to a receiving substrate |
| 09/05/1991 | WO1991013533A1 Selectively releasing conductive runner and substrate assembly |
| 09/05/1991 | WO1991013384A1 Three dimensional plating or etching process and masks therefor |
| 09/05/1991 | WO1991013144A1 A method of cleaning using azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, methanol and nitromethane |
| 09/05/1991 | WO1991012920A1 Floating heater bar and guide |
| 09/05/1991 | WO1991011493A3 Electrically conductive pressure sensitive adhesive |
| 09/05/1991 | DE4105885A1 Metal circuit board with circuit on insulating plate - has depressions formed in part of metal plate opposite to circuit |
| 09/04/1991 | EP0445040A1 Electrical HF circuit comprising a polymer layer |
| 09/04/1991 | EP0444820A2 MMIC package and connection |
| 09/04/1991 | EP0444665A2 A laser scanning apparatus |
| 09/04/1991 | EP0444598A1 Azeotropic solvent composition |
| 09/04/1991 | EP0444469A2 High density internconnect |
| 09/04/1991 | EP0444359A2 Dynamic flood conveyor with weir |
| 09/04/1991 | EP0444328A1 Improved hot-bar suspension system |
| 09/04/1991 | EP0444216A1 Via-forming ceramics composition |
| 09/04/1991 | EP0420874A4 Treating an autodeposited coating with an alkaline material |
| 09/04/1991 | EP0373208A4 Process for the manufacture of multi-layer circuits with dynamic flexing regions and the flexible circuits made therefrom |
| 09/04/1991 | EP0372043A4 Process for the manufacture of multi-layer circuits with dynamic flexing regions and the flexible circuits made therefrom |
| 09/04/1991 | CN2084232U Large capacity cylindric plate type dry corrosion machine |
| 09/04/1991 | CN1013771B Method for metallized polymers |
| 09/03/1991 | WO1991012921A1 A device for applying a solder paste, a glue or the like in patches on a substrate |
| 09/03/1991 | US5046120 Method of and apparatus for increasing the processing speed in the scanning inspection of circuit boards and other objects |
| 09/03/1991 | US5046113 Method of and apparatus for detecting pattern defects by means of a plurality of inspecting units each operating in accordance with a respective inspecting principle |
| 09/03/1991 | US5045976 Device for mounting a metal element on a board |
| 09/03/1991 | US5045975 Three dimensionally interconnected module assembly |
| 09/03/1991 | US5045970 Joined substrates having planar electrical interconnection of hybrid circuits |
| 09/03/1991 | US5045921 Pad array carrier IC device using flexible tape |
| 09/03/1991 | US5045914 Plastic pad array electronic AC device |
| 09/03/1991 | US5045824 Dielectric filter construction |
| 09/03/1991 | US5045820 Three-dimensional microwave circuit carrier and integral waveguide coupler |
| 09/03/1991 | US5045780 Electrical test probe contact tip |
| 09/03/1991 | US5045666 Self-soldering flexible circuit connector |
| 09/03/1991 | US5045642 Printed wiring boards with superposed copper foils cores |
| 09/03/1991 | US5045641 Moulded electrical connector and method for manufacturing same |
| 09/03/1991 | US5045437 Method for producing a structured ceramic film or a ceramic member constructed of such films by sintering and useful as ultrasound transducers |
| 09/03/1991 | US5045353 Method for treating interior surfaces of holes and apparatus therefor |
| 09/03/1991 | US5045249 Electrical interconnection by a composite medium |
| 09/03/1991 | US5045159 Derivatives of compounds containing a carbonyl group conjugated to an aromatic moiety and electrophilic methods of fabrication thereof |
| 09/03/1991 | US5045141 Method of making solderable printed circuits formed without plating |
| 09/03/1991 | US5045128 Printed circuits |
| 09/03/1991 | US5045127 Fluxing agent is quaternary ammonium hydroxide |
| 09/03/1991 | US5045120 Method for cleaning electronic and other devices |
| 09/03/1991 | US5045117 System for removing flux residues from printed wiring assemblies |
| 09/03/1991 | US5044992 Printed circuit injection molded connector with removable bifurcated contacts capable of high temperature exposure |
| 09/03/1991 | US5044980 High density and multiple insertion connector |
| 09/03/1991 | US5044966 Electrical panel for physically supporting and electrically connecting electrical components |
| 09/03/1991 | US5044963 Surface connector for radio frequency signals |
| 09/03/1991 | US5044615 Dual purpose work board holder |
| 09/03/1991 | US5044542 Shield gas wave soldering |
| 09/03/1991 | US5044312 Conformal coat contact insertion strip mask |
| 09/03/1991 | US5044306 Solder applying mechanism |
| 09/03/1991 | US5044074 Method for manufacturing metal core printed circuit boards |
| 09/03/1991 | US5044073 Process for producing printed-circuit board |
| 09/03/1991 | US5044053 Method of manufacturing a curved array ultrasonic transducer assembly |
| 09/03/1991 | CA2077449A1 Device for applying a solder paste, a glue or the like in patches on a substrate |
| 09/03/1991 | CA1288538C Photosensitive compositions containing microgels |
| 08/29/1991 | DE4006078A1 Ground connection for circuit board - provides conduction track, accessible from both sides, with very small potential difference of even distribution |
| 08/29/1991 | DE4004602A1 Verfahren zum vorbeloten eines substrats A method for vorbeloten a sub- strate |
| 08/29/1991 | CA2036837A1 Azeotropic solvent composition |
| 08/28/1991 | EP0443967A1 Process for mechanical lift-off of a metal layer on a polymer |