Patents for H05K 1 - Printed circuits (98,583)
07/1991
07/03/1991EP0435212A1 Process of pretreatment of metal-plating resin molded articles
07/03/1991EP0435058A2 Layer transfer process for image production and apparatus to perform the process
07/03/1991EP0403643A4 Uniform current and voltage distribution device
07/03/1991CN2080293U Dual in-line semiconductor display device with support frame
07/02/1991US5029242 Glass-ceramic structure and method for making same
07/02/1991US5029043 LC circuit incorporated ceramic substrate
07/02/1991US5029041 Electrostatic discharge protection for a printed circuit board
07/02/1991US5028986 Semiconductor device and semiconductor module with a plurality of stacked semiconductor devices
07/02/1991US5028867 Printed-wiring board
07/02/1991US5028743 Printed circuit board with filled throughholes
07/02/1991US5028741 High frequency, power semiconductor device
07/02/1991US5028473 Three dimensional microcircuit structure and process for fabricating the same from ceramic tape
07/02/1991US5028111 Method of fixing cylindrical optical part and electric part
07/02/1991US5027505 Method of producing electronic components
07/02/1991CA1285625C Circuit board contact guide pattern
06/1991
06/29/1991CA2028201A1 Automated adjustment of air-core coil inductance
06/28/1991WO1991010291A1 Board for surge absorbing device of communication line
06/28/1991CA2045670A1 Circuit board for surge absorber for communication lines
06/27/1991WO1991009511A2 Electrical conductors of conductive resin
06/27/1991WO1991009450A1 Power converter circuit board
06/27/1991WO1991009087A1 Novel bistriazene compounds and polymeric compositions crosslinked therewith
06/27/1991WO1991009081A1 Crosslinkable fluorinated polymer compositions
06/27/1991WO1991009071A1 Electronic articles containing a fluorinated poly(arylene ether) dielectric
06/27/1991WO1991009070A1 Fluorinated poly(naphthyl ethers)
06/27/1991WO1991009062A1 Novel resin, process for preparing the same, and composition comprising the same
06/27/1991DE4041071A1 Vorrichtung zur abschirmung und isolierung einer elektronischen schaltungskarte Apparatus for shielding and isolation of an electronic circuit card
06/27/1991DE3942509A1 HF circuit with tunable printed coil - having inductance varied by moving relative position of ferrite element i.e. by distance or amt. of coverage
06/27/1991DE3942390A1 Parallel bus link between sensors and data units - has identical connection to prevent faulty assembly and give variable bus length
06/26/1991EP0434543A2 High-density memory array packaging
06/26/1991EP0434471A1 Surface mounted LED package
06/26/1991EP0434313A2 Enhanced direct bond structure
06/26/1991EP0434312A2 Bonding a conductor to a substrate
06/26/1991EP0434311A1 An epoxy/polyimide copolymer blend dielectric and layered circuits incorporating it
06/26/1991EP0434192A2 Offset basecard
06/26/1991EP0434144A1 Balun
06/26/1991EP0433997A2 Improved connector arrangement system and interconnect element
06/26/1991EP0433992A1 Method of forming metallized layer on aluminium nitride sintered body
06/26/1991EP0433814A2 Keyboard
06/26/1991EP0433742A2 Photo module
06/26/1991CN1052473A Ceramic-metal bonding
06/25/1991US5027256 Component carrier with curved base
06/25/1991US5027255 High performance, high current miniaturized low voltage power supply
06/25/1991US5027253 Printed circuit boards and cards having buried thin film capacitors and processing techniques for fabricating said boards and cards
06/25/1991US5027089 High frequency noise bypassing
06/25/1991US5027088 Signal wiring board
06/25/1991US5026748 Matrix filled with three-dimensional arrangement of carbon fibers, thermoplastic, thermosetting or elastomeric resins; bonding electronic components
06/25/1991US5026292 Card edge connector
06/25/1991US5026134 Optical communication apparatus with base for fixing elements
06/25/1991US5025555 Method of producing electric circuit patterns
06/25/1991US5025553 Circuit board manufacture
06/25/1991US5025552 Method of manufacturing ion current recording head
06/24/1991CA2032698A1 Layer transfer process for image production and apparatus to perform the process
06/20/1991DE3941814A1 Carrier plate for power semiconductor components - has metal plate provided with ceramics disc divided into pieces between metallised areas
06/19/1991EP0433176A2 A multilayer hybrid circuit
06/19/1991EP0433093A2 Thermal head for thermal recording machine
06/19/1991EP0432907A1 Improved paste compositions
06/19/1991EP0432331A2 Rechargeable type small electric appliance
06/18/1991US5025348 Bonding structure of an electronic device and a method for manufacturing the same
06/18/1991US5025307 Modular semiconductor device
06/18/1991US5025211 Technique for reducing electromagnetic interference
06/18/1991US5024975 Crystallizable, low dielectric constant, low dielectric loss composition
06/18/1991US5024883 Glass matrix with ceramic and metallic particles dispersed therein for enhanced flow characteristics; semiconductor casings
06/18/1991US5024871 Ceramic filled fluoropolymetric composite material
06/18/1991US5024734 Solder pad/circuit trace interface and a method for generating the same
06/18/1991US5024623 Electrical circuit board mounting method
06/18/1991US5023994 Method of manufacturing a microwave intergrated circuit substrate including metal lined via holes
06/18/1991CA1284922C Flexible multilayer polyimide laminates
06/18/1991CA1284862C Molded metalized plastic articles and processes for making the same
06/13/1991WO1991008588A1 High power, high density interconnect method and apparatus for integrated circuits
06/13/1991WO1991008248A1 Quaternary ammonium polyarylamides
06/12/1991EP0431938A1 Dielectric compositions of devitrified glass
06/12/1991EP0431834A1 Light-shielding aluminium nitride sintered body and method of manufacturing the same
06/12/1991EP0431606A2 Surface structure of ceramics substrate and method of manufacturing the same
06/12/1991EP0431524A1 A ceramic substrate material coated with an amorphous fluorine resin
06/12/1991EP0431333A1 Method for producing glass cloth
06/12/1991EP0431260A1 Flexible cable connector
06/12/1991EP0431095A1 Composition for a solder mask, product thereof and process for using same
06/12/1991EP0419577A4 Film-based structural components with controlled coefficient of thermal expansion
06/12/1991EP0282487B1 Means for use in manufacturing circuit cards and method for manufacturing the means
06/11/1991US5023753 Printed circuit
06/11/1991US5023751 Method of producing a tape for providing electronic modules, and tape obtained by this method
06/11/1991US5023726 Unitary chassis for television receivers with two circuit boards and method of manufacture
06/11/1991US5023580 Surface-mount filter
06/11/1991US5023498 Flexible circuit board for motor position adjustment
06/11/1991US5023407 Printed circuit board with a uniform conductive layer formed by equalization of metals therein
06/11/1991US5023202 Rigid strip carrier for integrated circuits
06/11/1991US5022956 Making hole(s) in glass fiber reinforced epoxy resin sheet, plasma etching with tetrafluoromethane and oxygen to remove resin only
06/11/1991US5022922 Agent for improving composite materials
06/11/1991US5022862 Modular connector
06/11/1991US5022580 Vernier structure for flip chip bonded devices
06/11/1991CA1284801C Dielectric inks for multilayer copper circuits
06/06/1991DE3939628A1 Adhesive compsn. which can be cured by UV light - used to fix components to hybrid substrates before solder reflow process and can be exposed by radiation through substrate
06/06/1991DE3939627A1 Layer circuits with substrate of aluminium oxide or nitride ceramic - are bonded to base of metal, ceramic or plastic using UV-hardenable adhesive
06/05/1991EP0430864A2 Method of making electrical interconnections on a universal substrate and device therefor
06/05/1991EP0430842A2 Apparatus and method for reworking printed wire circuit boards
06/05/1991EP0430476A1 Improved silicone-polyimide material for electronic devices
06/05/1991EP0430333A1 Laminate for electroless metallization, a printed circuit provided with same, and a process for the manufacture of such a laminate
06/05/1991EP0430277A1 Conductive paste and conductive coating film
06/05/1991EP0430251A1 Connector device having large number of connecting terminals
06/05/1991EP0430157A2 Composite circuit board and manufacturing method of the same