Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2005-01-25
2005-01-25
Chang, Richard (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S846000, C174S262000, C174S263000, C427S097100, C427S099300
Reexamination Certificate
active
06845557
ABSTRACT:
A method for creating an impedance controlled printing wiring board, particularly the formation of a structure for high speed printed wiring boards incorporating multiple differential impedance controlled layers. Furthermore, disclosed is the provision of a method for producing an impedance controlled printed circuit wiring board. Also, there is the provision of a method for producing high speed printed wiring boards with multiple differential impedance controlled layers.
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Miller Thomas R.
Rudik William J.
Testa Robert J.
Unger Kevin P.
Wozniak Michael
Chang Richard
Scully Scott Murphy & Presser
Steinberg William H.
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