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Class Information
Number: 174/250
Name: Electricity: conductors and insulators > Conduits, cables or conductors > Preformed panel circuit arrangement (e.g., printed circuit)
Description: Subject matter wherein a cable or conductor is formed on or attached to a panel or sheet-like insulating body so as to form a unitary structure.










Sub-classes under this class:

Class Number Class Name Patents
174/254 Convertible shape (e.g., flexible) or circuit (e.g., breadboard) 1,170
174/253 Micropanel 81
174/252 With cooling means 605
174/260 With electrical device 2,494
174/251 With encapsulated wire 173
174/261 With particular conductive connection (e.g., crossover) 2,078
174/256 With particular material 773
174/255 With particular substrate or support structure 2,076
174/268 With single conductive plane (e.g., tape, cable) 152


Patents under this class:
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Patent Number Title Of Patent Date Issued
5751556 Method and apparatus for reducing warpage of an assembly substrate May. 12, 1998
5742009 Printed circuit board layout to minimize the clock delay caused by mismatch in length of metal lines and enhance the thermal performance of microeletronics packages via condution through the p Apr. 21, 1998
5740066 Electrical circuit board and circuit board assembly Apr. 14, 1998
5736679 Deformable interconnect structure for connecting an internal plane to a through-hole in a multilayer circuit board Apr. 7, 1998
5736680 Polymorphic rectilinear thieving pad Apr. 7, 1998
5729435 Semiconductor device and assembly board having through-holes filled with filling core Mar. 17, 1998
5729439 Printed wiring substrate Mar. 17, 1998
5723822 Structure for fabricating a bonding pad having improved adhesion to an underlying structure Mar. 3, 1998
5723823 Circuit board with enhanced rework configuration Mar. 3, 1998
5714239 Composite component Feb. 3, 1998
5707714 Printed circuit board for flow soldering Jan. 13, 1998
5700981 Encapsulated electronic component and method for encapsulating an electronic component Dec. 23, 1997
5687476 Method of making printed circuit arrangement Nov. 18, 1997
5686172 Metal-foil-clad composite ceramic board and process for the production thereof Nov. 11, 1997
5686699 Semiconductor board providing high signal pin utilization Nov. 11, 1997
5686702 Polyimide multilayer wiring substrate Nov. 11, 1997
5683601 Laser ablation forward metal deposition with electrostatic assisted bonding Nov. 4, 1997
5682298 Balancing power distribution in a power supply system with redundant power sources Oct. 28, 1997
5677515 Shielded multilayer printed wiring board, high frequency, high isolation Oct. 14, 1997
5674077 Interleaved connector circuit having increased backplane impedance Oct. 7, 1997
5661267 Detector alignment board Aug. 26, 1997
5659153 Thermoformed three dimensional wiring module Aug. 19, 1997
5645123 Semiconductor device having temperature regulation means formed in circuit board Jul. 8, 1997
5646368 Printed circuit board with an integrated twisted pair conductor Jul. 8, 1997
5639994 Flexible printed circuit Jun. 17, 1997
5640308 Field programmable circuit module Jun. 17, 1997
5625169 Electronic parts with an electrode pattern between two dielectric substrates Apr. 29, 1997
5614698 Circuit board apparatus with integral, edge-readable bar code structure, and associated methods Mar. 25, 1997
5597983 Process of removing polymers in semiconductor vias Jan. 28, 1997
5589669 Electrical contact for printed circuit boards Dec. 31, 1996
5590017 Alumina multilayer wiring substrate provided with high dielectric material layer Dec. 31, 1996
5585602 Structure for providing conductive paths Dec. 17, 1996
5583321 Multi-layer circuit construction methods and structures with customization features and components for use therein Dec. 10, 1996
5569488 Method of making multi-dielectric laminates Oct. 29, 1996
5567917 Metal base board and electronic equipment using the same Oct. 22, 1996
5565837 Low profile printed circuit board Oct. 15, 1996
5557504 Surface mountable integrated circuit package with detachable module Sep. 17, 1996
5552567 Printed circuit board having a plurality of circuit board patterns Sep. 3, 1996
5550325 Printed-circuit board including circuit pattern having location to be cut if necessary Aug. 27, 1996
5548090 Heat sink and printed circuit board combination Aug. 20, 1996
5543584 Structure for repairing electrical lines Aug. 6, 1996
5541366 Foam printed circuit substrates Jul. 30, 1996
5537740 Method of making printed circuit board Jul. 23, 1996
5539156 Non-annular lands Jul. 23, 1996
5536908 Lead-free printed circuit assembly Jul. 16, 1996
5536909 Semiconductor connection components and methods with releasable lead support Jul. 16, 1996
5534666 Multi-layer wiring board having a base block and a stacking block connected by an adhesive layer Jul. 9, 1996
5528826 Method of constructing high yield, fine line, multilayer printed wiring board panel Jun. 25, 1996
5527999 Multilayer conductor for printed circuits Jun. 18, 1996
5528001 Circuit of electrically conductive paths on a dielectric with a grid of isolated conductive features that are electrically insulated from the paths Jun. 18, 1996

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