Patents for H05K 3 - Apparatus or processes for manufacturing printed circuits (118,473)
08/1989
08/01/1989US4853827 High dielectric multilayer capacitor
08/01/1989US4853763 Mounting base pad means for semiconductor devices and method of preparing same
08/01/1989US4853320 Method of locally providing metal on a surface of a substrate
08/01/1989US4853317 Printing masking ink on photoresist; identification
08/01/1989US4853277 Method for producing circuit boards with deposited metal patterns and circuit boards produced thereby
08/01/1989US4853273 Drill board and method of making the same
08/01/1989US4853253 Method of activating surface of shaped body formed of synthetic organic polymer
08/01/1989US4853252 Radiation transfer of metal/carrier coating agent onto substrate followed by chemical metallization
08/01/1989US4853095 Conversion of manganese dioxide to permanganate
08/01/1989US4853081 Process for removing contaminant
08/01/1989US4853080 Lift-off process for patterning shields in thin magnetic recording heads
08/01/1989US4852804 Machine for treating objects with a treating liquid
08/01/1989US4852595 Machine for etching objects
08/01/1989CA1258138A1 Method for manufacture of printed circuit boards having solder-masked traces
08/01/1989CA1258013A1 Method and apparatus for dispensing viscous materials
07/1989
07/27/1989WO1989006710A1 Sensitizing activator for chemical plating
07/27/1989WO1989006639A1 Alkaline permanganate etchant regeneration process and apparatus
07/27/1989WO1989006581A1 Means and method for soldering and desoldering electronic components
07/27/1989DE3903346A1 Arrangement having two parallel-connected transistors
07/27/1989DE3900835A1 Rotatable manual device for the engraving and machining of printed electronic circuits
07/27/1989DE3801352A1 Printed circuit board
07/27/1989DE3800918A1 Bath for currentless deposition of tin
07/26/1989EP0325401A2 Improved screen printing machine
07/26/1989EP0325355A1 Inspection of multipattern circuit boards
07/26/1989EP0325265A1 Azeotropic compositions of 1,1-Dichloro-1-Fluoroethane and Methanol/Ethanol
07/26/1989EP0325108A2 Material-working tools and method for lubricating
07/26/1989EP0325097A1 Chemical polishing bath and method for aluminum alloys
07/26/1989EP0325068A1 Modular hybrid microelectronic structure with high integration density
07/26/1989EP0324890A1 Printed wiring board
07/26/1989EP0145785B1 Solderable plated plastic components
07/26/1989CN1004910B Electrical interconnection means
07/25/1989US4851966 Method and apparatus of printed circuit board assembly with optimal placement of components
07/25/1989US4851964 Connecting mechanism for electronic circuit board blanks
07/25/1989US4851903 Automatic focusing system of an observing means for inspecting an object
07/25/1989US4851806 Fuse device and method of manufacturing such fuse device
07/25/1989US4851648 Heater bar assembly
07/25/1989US4851615 Printed circuit board
07/25/1989US4851614 Non-occluding mounting hole with solder pad for printed circuit boards
07/25/1989US4851613 Dielectric substrate with polyaramid layer, conductive layer spaced panels of woven polyaramid insulating layer; good dimensional stability
07/25/1989US4851320 Method of forming a pattern of conductor runs on a dielectric sheet
07/25/1989US4851301 Thick film circuitry
07/25/1989US4851153 Conductive high molecular weight composition
07/25/1989US4850883 High density flexible circuit connector
07/25/1989US4850754 Automatic drilling machine
07/25/1989US4850104 System for configuring, automating and controlling operations performed on PCBS and other products
07/25/1989US4850103 Method for manufacturing an electronic part
07/25/1989CA1257915A1 Thermo-stabbed electrical contact prong on a printed circuit board, and connector having like prongs
07/25/1989CA1257803A1 Photosensitive polymer composition and electrophoretic deposition process
07/19/1989EP0324615A2 Metal oxide superconducting polymer composites
07/19/1989EP0324599A2 Process for preparing polymeric materials for application to printed circuits
07/19/1989EP0324596A2 Method of and apparatus for applying polymeric materials to printed circuits
07/19/1989EP0324439A2 Package for an electromagnetic relay
07/19/1989EP0324352A2 Process for making a metal core circuit board
07/19/1989EP0324189A2 Process for making electrical-circuit boards
07/18/1989US4849858 Composite heat transfer means
07/18/1989US4849533 Mono-or diglycidyl anthraquinones, redox catalysts for metal electrodeposition
07/18/1989US4849321 UV curable compositions for making improved solder mask coatings
07/18/1989US4849303 Alloy coatings for electrical contacts
07/18/1989US4849302 Electrolytically metallized article and processes therefore
07/18/1989US4849296 Electronics, printed circuits
07/18/1989US4849292 Using bonding agent; heating
07/18/1989US4849284 Electrical substrate material
07/18/1989US4849247 Enhanced adhesion of substrate materials using ion-beam implantation
07/18/1989US4849059 Alkanesulfonic acid electrolyte
07/18/1989US4849048 Using ultraviolet curing resins
07/18/1989US4848692 Apparatus for fitting rotary
07/18/1989US4848646 Method for depositing solder onto aluminum metal material
07/18/1989US4848644 Drag soldering method and apparatus for printed wiring boards
07/18/1989US4848641 Flux dispenser
07/18/1989US4848640 Apparatus for the application of a conductive adhesive medium to a printed circuit board
07/18/1989US4847979 "Tool changer having a retaining means actuatable during loading of a bit along the central axis of a pocket"
07/18/1989CA1257711A1 Mounting of semiconductor chips on a molded plastic substrate
07/13/1989WO1989006201A1 Central circuit arrangement for motor vehicles
07/13/1989WO1989006184A1 Apparatus and method for punching a foil or such sheet-like material
07/13/1989WO1989006172A1 Improved copper etchant compositions
07/13/1989DE3814224C1 Process for pretreating aluminium nitride ceramic to be metallised
07/13/1989DE3800136A1 Apparatus for printing printed circuit boards by means of a perforated film
07/13/1989DE3744617A1 Contact-making part
07/13/1989DE3743841A1 Electrooptic display device
07/12/1989EP0323685A1 Process for the production of molded articles having partial metal plating
07/12/1989EP0323673A1 Apparatus and method for punching a foil or such sheet-like material
07/12/1989EP0323563A2 Photosensitive thermosetting resin composition and method of forming solder resist pattern by use thereof
07/12/1989CN1033909A Molded-in lead frames
07/12/1989CN1033778A Device for transferring printed circuit board
07/11/1989USRE32982 Mass soldering system
07/11/1989US4847588 Electrical connector with pin retention feature
07/11/1989US4847471 Heater for use as either primary or auxiliary heat source and improved circuitry for controlling the heater
07/11/1989US4847465 Reflow soldering apparatus
07/11/1989US4847449 Alignment apparatus for use in mounting electronic components and heat sinks on circuit boards
07/11/1989US4847446 Printed circuit boards and method for manufacturing printed circuit boards
07/11/1989US4847445 Zirconium thin-film metal conductor systems
07/11/1989US4847178 Positive photosensitive o-quinone diazide composition with benzotriazole carboxylic acid or alkyl ester
07/11/1989US4847162 Passivation
07/11/1989US4847146 Process for fabricating compliant layer board with selectively isolated solder pads
07/11/1989US4847139 Flexible circuits
07/11/1989US4847138 Thermal writing on glass and glass-ceramic substrates
07/11/1989US4847136 Thermal expansion mismatch forgivable printed wiring board for ceramic leadless chip carrier
07/11/1989US4847114 Preparation of printed circuit boards by selective metallization
07/11/1989US4846941 Palladium, nickel alloys, current density, iodate ions for stability
07/11/1989US4846929 Wet etching of thermally or chemically cured polyimide