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Class Information
Number: 174/262
Name: Electricity: conductors and insulators > Conduits, cables or conductors > Preformed panel circuit arrangement (e.g., printed circuit) > With particular conductive connection (e.g., crossover) > Feedthrough
Description: Subject matter including a passage used to make electrical and mechanical connection between conductive patterns on plural planes of a printed circuit board.










Sub-classes under this class:

Class Number Class Name Patents
174/266 Hollow (e.g., plated cylindrical hole) 529
174/264 Voidless (e.g., solid) 545
174/263 With solder 468


Patents under this class:
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Patent Number Title Of Patent Date Issued
7645944 Printed circuit board for high-speed electrical connectors Jan. 12, 2010
7645943 Configurable printed circuit board Jan. 12, 2010
7645942 Electrical interconnect with maximized electrical contact Jan. 12, 2010
7645940 Substrate with via and pad structures Jan. 12, 2010
7642473 Explosion containment vessel Jan. 5, 2010
7642468 Multilayer wiring board and fabricating method of the same Jan. 5, 2010
7637008 Methods for manufacturing imprinted substrates Dec. 29, 2009
RE41051 Package substrate Dec. 22, 2009
7633766 Preferential via exit structures with triad configuration for printed circuit boards Dec. 15, 2009
7633765 Semiconductor package including a top-surface metal layer for implementing circuit features Dec. 15, 2009
7630210 Lead(Pb)-free electronic component attachment Dec. 8, 2009
7629541 High speed interposer Dec. 8, 2009
7627946 Method for fabricating a metal protection layer on electrically connecting pad of circuit board Dec. 8, 2009
7626829 Multilayer printed wiring board and manufacturing method of the multilayer printed wiring board Dec. 1, 2009
7626270 Coreless package substrate with conductive structures Dec. 1, 2009
7625214 High density power connector with impedance control Dec. 1, 2009
7624501 Method of manufacturing multilayer wiring board Dec. 1, 2009
7615709 Circuit board through-hole impedance tuning using clearance size variations Nov. 10, 2009
7615708 Arrangement of non-signal through vias and wiring board applying the same Nov. 10, 2009
7615707 Printed circuit board and forming method thereof Nov. 10, 2009
7614142 Method for fabricating an interposer Nov. 10, 2009
7612298 Connecting unit for wick of cold cathode fluorescent lamp Nov. 3, 2009
7612296 Visually inspectable surface mount device pad Nov. 3, 2009
7612295 Printed wiring board and method for manufacturing the same Nov. 3, 2009
RE40947 Multilayer printed wiring board and its manufacturing method, and resin composition for filling through-hole Oct. 27, 2009
7609526 Circuit board Oct. 27, 2009
7603771 Method of manufacturing a combined multilayer circuit board having embedded chips Oct. 20, 2009
7599192 Layered structure with printed elements Oct. 6, 2009
7598609 Structure of polymer-matrix conductive film and method for fabricating the same Oct. 6, 2009
7596842 Method of making multilayered construction for use in resistors and capacitors Oct. 6, 2009
7595454 Method of making a circuitized substrate with enhanced circuitry and electrical assembly utilizing said substrate Sep. 29, 2009
7594318 Multilayer circuit board with embedded components and method of manufacture Sep. 29, 2009
7593235 Thermal conduit Sep. 22, 2009
7589398 Embedded metal features structure Sep. 15, 2009
7589283 Method of making circuitized substrate with improved impedance control circuitry, electrical assembly and information handling system Sep. 15, 2009
7586755 Electronic circuit component Sep. 8, 2009
7582833 Transparent substrate provided with electroconductive strips Sep. 1, 2009
7581312 Method for manufacturing multilayer flexible printed circuit board Sep. 1, 2009
7579553 Front-and-back electrically conductive substrate Aug. 25, 2009
7576995 Flex circuit apparatus and method for adding capacitance while conserving circuit board surface area Aug. 18, 2009
7576288 Circuit board, multi-layer wiring boards, method of producing circuit boards and method of producing multilayer wiring boards Aug. 18, 2009
7566835 Multilayer printed wiring board and component mounting method thereof Jul. 28, 2009
7565739 Method of making zinc-aluminum alloy connection Jul. 28, 2009
7565738 Method for manufacturing circuit device Jul. 28, 2009
7564694 Apparatus and method for impedance matching in a backplane signal channel Jul. 21, 2009
7563987 Electronic parts packaging structure and method of manufacturing the same Jul. 21, 2009
7557304 Printed circuit board having closed vias Jul. 7, 2009
7550321 Substrate having a functionally gradient coefficient of thermal expansion Jun. 23, 2009
7548430 Buildup dielectric and metallization process and semiconductor package Jun. 16, 2009
7546682 Methods for repairing circuit board having defective pre-soldering bump Jun. 16, 2009

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