Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Reexamination Certificate
2007-07-03
2007-07-03
Nguyen, Vinh P. (Department: 2829)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
C324S1540PB
Reexamination Certificate
active
11382601
ABSTRACT:
Disclosed is a shielded clock tree that has one or more clock signal buffers and clock signal splitters, with clock signal wiring connecting the clock signal buffers to the clock signal splitters. Shielding is adjacent the clock signal wiring, where ground wiring connects the shielding to ground. The shielding comprises shield wires positioned adjacent and parallel to the clock signal wiring. The invention provides switches in the ground wiring, and these switches are connected to, and controlled by, a test controller.
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Cohn John M.
Pastel Leah M. P.
Sopchak Thomas G.
Vallett David P.
Gibb & Rahman, LLC
International Business Machines - Corporation
Nguyen Vinh P.
Sabo, Esq. William D.
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