Patents for H05K 1 - Printed circuits (98,583)
01/1991
01/15/1991US4985512 High-lubricity film
01/15/1991US4985509 Heat curable resin composition
01/15/1991US4985376 Conductive paste compositions and ceramic substrates
01/15/1991US4985308 Tetrafluoroethylene
01/15/1991US4985297 Metal sheet and composite of fluoropolymer impregnated with fluorine-containing polyimide
01/15/1991US4985294 Copper foil laminated to insulating layer of blend of epoxy resin and acrylonitrile-butadiene rubber
01/15/1991US4985293 Polymer blend for molded circuit boards and other selectively conductive molded devices
01/15/1991US4985116 Three dimensional plating or etching process and masks therefor
01/15/1991US4985098 Method of manufacturing ceramic laminate
01/15/1991CA1278912C Overprint copper composition
01/10/1991WO1991000627A1 Ferrite rod antenna
01/10/1991WO1991000309A1 Process for making fibre-reinforced substrate materials for the electrical sector
01/10/1991WO1990013990A3 Circuit boards with recessed traces
01/10/1991DE3922238A1 Intercommunication arrangement between electronic circuit boards - has back plane system with communication bus and separate power system
01/10/1991CA2019528A1 Polyetherimide precursor reinforced laminates and the preparation thereof
01/09/1991EP0407156A2 Circuit module
01/09/1991EP0407129A2 Process for producing molding for precision fine line-circuit
01/09/1991EP0407108A1 Improved method of assembly and apparatus for a small electrical device
01/09/1991EP0407099A1 Multi-layered ceramic elements and method for producing same
01/09/1991EP0406959A2 Maleimide composition
01/09/1991EP0406911A1 Process for preparation of polysilsesquioxane
01/09/1991EP0406859A2 Process for producing a resin molded article having a metal plated layer thereon
01/09/1991EP0406829A2 Printed circuit board
01/09/1991EP0406496A2 Switch provided with indicator
01/09/1991EP0406376A1 Improved method for making printed circuits
01/09/1991EP0253833B1 Multilayer printed circuit board
01/08/1991US4984064 Semiconductor device
01/08/1991US4984057 Semiconductor element string structure
01/08/1991US4983804 Localized soldering by inductive heating
01/08/1991US4983456 Compositions convertible to reinforced conductive components and articles incorporating same
01/08/1991US4982892 Solder interconnects for selective line coupling
01/08/1991CA1278878C Cooling method and apparatus for an integrated circuit casing
01/06/1991CA2020367A1 Multi-layered ceramic elements and method for producing same
01/03/1991DE4004844C1 Copper metallisation on ceramic substrate - obtd. by bonding copper foil directly to whole surface of substrate, then masking and etching
01/03/1991DE3920232A1 Pluggable wiring foil with conductive tracks - has several, loosely stacked foil circuits, with specified raster of soldering eyelets
01/03/1991DE3919632A1 Installations-bauelementensatz Installation Components rate
01/03/1991CA2019978A1 Process for producing molding for precision fine-line circuit
01/02/1991EP0405947A2 Method of manufacturing thick-film devices
01/02/1991EP0405838A2 Header device
01/02/1991EP0405828A1 Solder assembly of components
01/02/1991EP0405482A1 Improved wire scribed circuit boards and methods of their manufacture
01/02/1991EP0405089A2 Method for the preparation of a covering film for flexible printed circuit board
01/02/1991EP0404940A1 Memory testing system
01/02/1991EP0404891A1 Process for the manufacture of electrically conductive structures.
01/02/1991CA1278471C Multilayer printed wiring boards
01/01/1991US4982376 Method of mounting electrical and/or electronic components on a single-sided printed board
01/01/1991US4982265 Semiconductor integrated circuit device and method of manufacturing the same
01/01/1991US4982177 Arrangement for monitoring the temperature in flow soldering of flat modules
01/01/1991US4982056 Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxide
01/01/1991US4981941 Fluorinated epoxy resins with high glass transition temperatures
01/01/1991US4981753 Fabric for printed circuit substrate and printed circuit substrate
01/01/1991US4981248 Electronically controlled wave solder mask shield
12/1990
12/31/1990CA2019437A1 Header device
12/27/1990WO1990016141A1 Printed circuit board and method of mounting circuit parts
12/27/1990WO1990016102A1 Installation component set
12/27/1990WO1990015682A1 Bonding additives for refractory metallization inks
12/27/1990EP0404156A2 Personal computer having condition indicator
12/27/1990EP0404049A2 Process for etching polyimide resin
12/27/1990EP0403975A2 Circuit structure formed by insert molding of electric and/or optical transmission medium and method for manufacturing such a circuit structure.
12/27/1990EP0403862A2 Printed circuit with circumferential connections
12/27/1990EP0403851A2 Excimer induced topography of flexible interconnect structures
12/27/1990EP0403788A2 Sensor coil arrangement
12/27/1990EP0403643A1 Uniform current and voltage distribution device
12/27/1990EP0403602A1 Improvements relating to printed circuit boards
12/27/1990EP0297139B1 Flexible printed circuit board and process for its production
12/27/1990CA1278398C Nitrogenized electronic conductive polymers, their preparation processes, electrochromic display cell and electro-chemical generator using these polymers
12/25/1990US4980802 Flexible printed circuit
12/25/1990US4980663 Automated adjustment of air-core coil inductance
12/25/1990US4980659 Microwave dual level transition
12/25/1990US4980246 Dense ceramic alloys and process of making same
12/25/1990US4980239 Having sufficient adhesion strength
12/25/1990US4980225 Coating of metal, butyl acetate, toluene and carbon on a substrates
12/25/1990US4980219 Sprocket holes at predetermined intervals in side edge areas
12/25/1990US4980217 Printed circuit board fabrication
12/25/1990US4979787 Optical-electronic interface module
12/24/1990CA2019258A1 Process for manufacturing fiber-reinforced base materials for the electrical industry
12/20/1990DE4016663A1 DC servomotor with integrated speed controller - has chopper on PCB with interference screen due to housing protrusion
12/20/1990DE3919249A1 Two-layer tape-automated-bonding film carrier prodn. - without use of environmentally polluting solvents
12/19/1990EP0403335A2 Method of fabrication of a case for electronic circuits and such a case, especially for motor vehicles, obtained by this method
12/19/1990EP0403288A2 Bus structure
12/19/1990EP0403208A1 Heat sinking substrate
12/19/1990EP0402750A1 Process for surface treatment of polyamide articles and the articles obtained
12/19/1990EP0402546A2 Printed circuit board
12/19/1990EP0402446A1 High dielectric multilayer capacitor
12/18/1990US4979090 Power converter circuit board
12/18/1990US4979076 Hybrid integrated circuit apparatus
12/18/1990US4979075 Method and apparatus for controlling circuit expansion for consumer electronic systems
12/18/1990US4979019 Printed circuit board with inorganic insulating matrix
12/18/1990US4978914 Laminated board for testing electronic components
12/18/1990US4978844 Optical element carrying printed substrate and optical head device using the substrate
12/18/1990US4978574 Formation of organic membranes
12/18/1990US4977668 Method of making socket connector
12/18/1990CA1277947C Continuous process for fabricating metallic patterns on a thin film substrate
12/18/1990CA1277829C Polymer thick film inks
12/17/1990WO1990015706A1 Liquid crystal polymer film
12/15/1990CA2018187A1 Radial type of parallel system bus structure with printed, twisted conductor lines
12/13/1990WO1990015089A1 Epoxy-terminated polyoxazolidones, process of preparation, and electrical laminates therefrom
12/13/1990DE3918423A1 Double layer through-hole coupled rigid and flexible circuits - have support boards coupled together using adhesive bond to secure flexible unit in slot
12/12/1990EP0402055A2 Method and apparatus for a rapid interconnection to a computer bus
12/12/1990EP0402053A2 Signal carrier supports