Patents for H05K 1 - Printed circuits (98,583)
12/1990
12/12/1990EP0402052A2 Signal carrier supports
12/12/1990EP0402050A2 Triplate centre conductors
12/12/1990EP0402028A2 Process for producing boards for precision fine-line circuits
12/12/1990EP0401836A1 A composite substrate
12/12/1990EP0401549A2 Thick film hybrid circuit board device and method of manufacturing the same
12/12/1990EP0401341A1 Low temperature cofired ceramic packages for microwave and millimeter wave gallium arsenide integrated circuits.
12/11/1990US4977383 Resonator structure
12/11/1990US4977297 Cladding for optical fibers; protective coatings
12/11/1990US4977042 Rechargeable type small electric appliance
12/11/1990US4977026 Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole
12/11/1990US4977025 Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole
12/11/1990US4977012 Ceramic wiring substrate blank material and process for production thereof
12/11/1990US4977008 Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole
12/11/1990US4976814 Method of making a ceramic semiconductor package having crack arrestor patterns
12/11/1990US4976813 Mixture of polyhydroxyether, formaldehyde and melamine
12/11/1990US4976808 Dissolving resin with hydrazine hydrate solution, then dissolving residual film with solution containing ammonium or halogen ions
12/11/1990US4976573 Apparatus for chamfering planar plate
12/09/1990CA2018069A1 Method and apparatus for a rapid interconnection to a computer bus
12/06/1990CA2018265A1 Epoxy-terminated polyoxazolidones, process for the preparation thereof and electrical laminates made from the epoxy-terminated polyoxazolidones
12/06/1990CA2017230A1 Process for producing board for precision fine-line circuit
12/05/1990EP0401019A2 Structure of a duplexer for radio equipment
12/05/1990EP0400885A1 Printed circuit having twisted conductor lines printed thereon
12/05/1990EP0400749A1 Bisbenzocyclobutene/bisimide compositions
12/05/1990EP0400642A2 Electrically conductive paste composition
12/05/1990EP0400332A2 Thin film multilayer laminate interconnection board assembly method
12/05/1990EP0400071A1 Laminar polymeric sheet
12/05/1990EP0400070A1 Laser-machining polymers
12/05/1990CN1047515A Composition of free redical polymerization
12/05/1990CN1010719B Connection constitution of flat cable
12/04/1990US4975825 Stacked power converter
12/04/1990US4975824 Power converter circuit board
12/04/1990US4975763 Edge-mounted, surface-mount package for semiconductor integrated circuit devices
12/04/1990US4975671 Transformer for use with surface mounting technology
12/04/1990US4975623 Electromagnetic relay for transmitting operating sounds thereof
12/04/1990US4975521 Polyamide, polyimide, and polyamide-imide polymers and copolymers using 3,5-diamino-t-butylbenzene
12/04/1990US4975505 Fluoropolymers; high glass transition temperature
12/04/1990US4975319 Printed circuit board from fibers impregnated with epoxy resin mixture, halogenated bisphenol and polyphenylene ether
12/04/1990US4975312 Multiaxially oriented thermotropic polymer substrate for printed wire board
12/04/1990US4975142 Fabrication method for printed circuit board
12/04/1990US4975068 Flexible cable connector
12/04/1990US4974498 Synthetic diamond protective coating
12/04/1990CA1277429C Process for the manufacture of substrates to interconnect electronic components
12/01/1990WO1990015455A1 Snap fit contact assembly
11/1990
11/30/1990CA2017713A1 Electrically conductive paste composition
11/30/1990CA2017152A1 Printed circuit having twisted conductor lines printed thereon
11/30/1990CA2016956A1 Bisbenzocyclobutene/bisimide compositions
11/29/1990WO1990014750A1 Low-loss electrical interconnects
11/29/1990WO1990014626A1 Systems with data-token/one-wire-bus
11/29/1990DE4016532A1 Integrated circuit unit with metal substrate - is produced as encapsulated module with plug connections at either end
11/29/1990DE3916899A1 Diverting mounting support for electronic components - has base of thermally-conducting plastics material accepting thick film circuit
11/28/1990EP0399524A1 Structure for the realisation of circuits and components, applied to microwave frequencies
11/28/1990EP0399463A2 Radically polymerizable composition
11/28/1990EP0399372A2 Liquid crystal display
11/28/1990EP0399299A2 Electrically conductive polymeric materials and uses thereof
11/28/1990EP0399219A2 Laminate
11/28/1990EP0399161A2 Multi-level circuit card structure
11/28/1990EP0398917A1 Ethers of the condensation products of phenoldicyclopentadiene adducts as thermosetting resins.
11/27/1990US4974121 Wiring module
11/27/1990US4974120 IC card
11/27/1990US4974119 Conforming heat sink assembly
11/27/1990US4974057 Semiconductor device package with circuit board and resin
11/27/1990US4974048 Integrated circuit having reroutable conductive paths
11/27/1990US4973799 Printed circuit board for use with an image forming apparatus
11/27/1990US4973794 Cable assembly for an electrical signal transmission system
11/27/1990US4973659 Hear resistant films, fibers, composites
11/27/1990US4973636 Thermosetting resins, toughness, lamination, high glass transition temperature
11/27/1990US4973262 Conduct member for electrical conductors
11/27/1990US4973142 Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole
11/27/1990US4972580 Method for connecting electronic components with dummy patterns
11/27/1990CA1276947C Porcelain enamel composition and subtrates coated therewith
11/27/1990CA1276758C Process for making substrates for printed circuit boards
11/24/1990CA2017352A1 Circuit and component realisation structure applied to microwaves
11/22/1990EP0398572A1 Method of manufacturing a thick film resistor element
11/22/1990EP0398188A2 Modular computer memory circuit board
11/22/1990EP0397976A2 Method for making composite materials
11/22/1990EP0397747A1 Three-dimensional circuit component assembly and method corresponding thereto
11/21/1990CN1047090A Imide prepolymers cured products, method for making, laminate preparation, and encapsulating compositions
11/21/1990CN1010524B Weldable conductive composite with high adhesive strength
11/20/1990WO1990015478A2 Improved three-dimensional circuit component assembly and method corresponding thereto
11/20/1990US4972295 Electrical junction box
11/20/1990US4972050 Wire scribed circuit boards and methods of their manufacture
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
11/20/1990CA2033081A1 Three-dimensional circuit component assembly and method corresponding thereto
11/20/1990CA1276680C Modularized solid state register
11/19/1990CA2016546A1 Modular computer memory circuit board
11/15/1990WO1990013990A2 Circuit boards with recessed traces
11/15/1990WO1990013943A1 A high-frequency bandpass filter
11/15/1990DE4014773A1 Mfr. of SMD carrying PCBs - using a metal pigment filled polymer paste for conductor tracks and contacts
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
11/14/1990EP0397304A1 Method and structure for wiring connection of a display device
11/14/1990EP0396954A1 A printed circuit board
11/14/1990EP0396806A1 Glass-ceramic structure and method for making same
11/14/1990EP0283481B1 Trimming passive components buried in multilayer structures
11/14/1990CN1010431B Non-destructive method for determining the extent of cure of a polymer
11/13/1990US4970624 Electronic device employing a conductive adhesive
11/13/1990US4970587 Alignment table for automatic exposing apparatus
11/13/1990US4970577 Semiconductor chip module
11/13/1990US4970512 Printed circuit rotary switch with decoder