Patents for H05K 3 - Apparatus or processes for manufacturing printed circuits (118,473)
11/1990
11/20/1990US4972050 Wire scribed circuit boards and methods of their manufacture
11/20/1990US4971895 Double exposure method of photoprinting with liquid photopolymers
11/20/1990US4971894 Method and structure for preventing wet etchant penetration at the interface between a resist mask and an underlying metal layer
11/20/1990US4971887 Positive-working photosensitive mixture and recording material of high thermal stability with phenolic novolak of m-cresol and 2,3,6-trialkylphenol
11/20/1990US4971863 Metallized films having an adherent copolyester coating
11/20/1990US4971858 Ink receiver sheets, multilayer, inorganic material, metals, metal oxides, glass frits
11/20/1990US4971856 Microwave components with a surface coating which imparts a very high RF loss
11/20/1990US4971741 Method of making a long narrow opening in a layer of electrically conductive material on a carrier of a synthetic resin material
11/20/1990US4971738 Sintering a laminate, forming metals from reducible metal oxides, oxidation of carbon
11/20/1990US4971083 Apparatus and method for cleaning solder paste from items associated with surface mount technology manufacturing
11/20/1990CA2033081A1 Three-dimensional circuit component assembly and method corresponding thereto
11/20/1990CA1276700C Contact strip
11/20/1990CA1276528C Method and arrangement for cleaning, activating and metallizing of boreholes in conductor boards
11/20/1990CA1276507C Mask for wave soldering machine
11/18/1990WO1990014225A1 Photo-curable resin laminate and method of producing printed wiring board using the same
11/16/1990WO1990014751A1 Interconnect device and method of manufacture thereof
11/16/1990CA2033060A1 Interconnect device and method of manufacture thereof
11/16/1990CA2015905A1 Acrylic adhesive compositions containing crosslinking agents and impact modifiers
11/15/1990WO1990013992A1 Twisted wire jumper electrical interconnector
11/15/1990WO1990013990A2 Circuit boards with recessed traces
11/15/1990WO1990013443A1 Etchant solution for photoresist-patterned metal layers
11/15/1990DE4014773A1 Mfr. of SMD carrying PCBs - using a metal pigment filled polymer paste for conductor tracks and contacts
11/15/1990DE4013094A1 Protecting catalytically treated plastic plate from solvents
11/15/1990DE3915767A1 Electrical switch unit for vehicle servo drive control - has number of contacts in parallel on pair of pressed metal elements
11/15/1990DE3915051A1 Distributing components amongst two or more assemblies - using computer switches connecting components to two reference sources and dummy loads to achieve minimum current
11/15/1990DE3915040A1 Vapour-phase esp. soldering unit for e.g. PCB - involves controlled stepwise or continuous preheating and/or cooling with immersion of workpieces in vapour phase region
11/14/1990EP0397529A2 Photohardenable electrostatic element with improved environmental latitude
11/14/1990EP0397441A2 Method of forming a pattern on a surface
11/14/1990EP0397412A2 Electroless plating process
11/14/1990EP0397327A1 Process for dissolving tin and tin alloys
11/14/1990EP0397304A1 Method and structure for wiring connection of a display device
11/14/1990EP0397177A2 Asymmetric adhesive sheet
11/14/1990EP0397073A2 Circuit pattern forming apparatus using mu-STM
11/14/1990EP0397066A1 Apparatus for continuous drying of panels having a coating on both sides
11/14/1990EP0396954A1 A printed circuit board
11/14/1990EP0396806A1 Glass-ceramic structure and method for making same
11/14/1990EP0396610A1 Electrochemical processes
11/14/1990EP0396583A1 Deposition of materials in a desired pattern on to substrates
11/14/1990EP0283481B1 Trimming passive components buried in multilayer structures
11/14/1990CN1010448B Process for mfg. copper thick-film conductor by infrared stove
11/13/1990US4970624 Electronic device employing a conductive adhesive
11/13/1990US4970587 Alignment table for automatic exposing apparatus
11/13/1990US4970577 Semiconductor chip module
11/13/1990US4970570 Use of tapered head pin design to improve the stress distribution in the braze joint
11/13/1990US4970553 Electrical component with conductive path
11/13/1990US4970369 Electronic device manufacturing methods
11/13/1990US4970368 Laser scribing method
11/13/1990US4970365 Method and apparatus for bonding components leads to pads located on a non-rigid substrate
11/13/1990US4970196 Method and apparatus for the thin film deposition of materials with a high power pulsed laser
11/13/1990US4970135 Acrylic ester polymers
11/13/1990US4970107 Composite article comprising a copper element and a process for producing it
11/13/1990US4970106 Thin film multilayer laminate interconnection board
11/13/1990US4970013 Binary azeotropic composition of 2,3-dichloro-1,1,1,3-3-pentafluoropropane and methanol
11/13/1990US4969979 Direct electroplating of through holes
11/13/1990US4969973 Time profile
11/13/1990US4969958 Alkali metal chlorite, alkali metal hydroxide, amphipathic anionic surfactant; high peel strength
11/13/1990US4969835 Reinforced connection for a electronic circuit members and method for constructing therefor
11/13/1990US4969829 Surface mounted connector having a securing tab
11/13/1990US4969827 Modular interconnecting electronic circuit blocks
11/13/1990US4969825 Electrical connector
11/13/1990US4969824 Electrical connector
11/13/1990US4969296 Apparatus of surface grinding of planar member
11/13/1990US4969259 Pin with tubular elliptical compliant portion and method for affixing to mating receptacle
11/13/1990US4969257 Transfer sheet and process for making a circuit substrate
11/13/1990CA1276128C Method for selectively plating plastics
11/13/1990CA1276096C Process and apparatus for chemically treating articles in a contained chamber, with sealed-door access to the chamber
11/13/1990CA1276088C Enhanced adhesion between metals and polymers
11/12/1990CA2016389A1 Photohardenable electrostatic element with improved environmental latitude
11/11/1990CA2016234A1 Asymmetric adhesive sheet
11/10/1990CA2016362A1 Method and apparatus for continuously drying boards coated on both sides
11/08/1990DE4013658A1 Thermal printing head esp. for facsimile machine
11/08/1990DE4013188A1 Edelmetall-polymer-verbundmaterialien und daraus hergestellte flexible duennfilmleiter Precious metal-polymer-composite materials made therefrom and flexible duennfilmleiter
11/08/1990DE3914462A1 Automatic assembly of components onto circuit board - has retractable block and dispensing stage supplying adhesive through nozzle with robot controlled gripper to insert component
11/08/1990DE3913066A1 Hermetically sealed housing for electronic circuits - has edge sealed by soldered layer that bonds cover to surface of circuit board with screen printed coating
11/08/1990DE3744747C2 Ceramic substrates with chemically roughened surfaces
11/07/1990EP0396524A1 A system and method for manufacture of micro-panels
11/07/1990EP0396523A2 High density interconnect strip
11/07/1990EP0396522A2 Universal electrical interconnection system and method
11/07/1990EP0396484A2 Solder column connection
11/07/1990EP0396466A2 Pressure foot for microwave drill detection system
11/07/1990EP0396259A2 Optical image forming apparatus
11/07/1990EP0396252A1 Electrolytic regeneration of alkaline permanganate etching bath
11/07/1990EP0396248A2 Electrical pin and method for making same
11/07/1990EP0396152A1 Semiconductor device comprising a package
11/07/1990EP0396056A2 Treatment of copper foil for printed circuits
11/07/1990EP0395961A1 Method for making electrically conductive patterns
11/07/1990EP0395871A2 Protected conductive foil and procedure for protecting an electrodeposited metallic foil during further processing
11/07/1990CN2065390U Adhesive fixture
11/07/1990CN1046829A Carrier of electronic elements and manufacture thereof
11/06/1990US4968962 Thermal cutoff and resistor assembly
11/06/1990US4968780 Soluble in n-methylpyrrolidone, high glass transition temperature, heat resistant films, fibers and composites
11/06/1990US4968589 Large number of probes in precise configuration
11/06/1990US4968586 Photoresist compositions containing cobalt (III) compound and redox transfer ligand
11/06/1990US4968570 Method of preparing a permanent master with a permanent latent image for use in electrostatic transfer
11/06/1990US4968398 Process for the electrolytic removal of polyimide resins
11/06/1990US4968388 Continuous processing, chemically and electrochemically metallizing a nonconductor foil
11/06/1990US4968383 Method for molding over a preform
11/06/1990US4968377 Method and apparatus for shaping cylindrical electrical parts
11/06/1990US4968263 Multi-pin electrical connector with floating terminal pins
11/06/1990US4967950 Attachment of electronic chips