Electricity: conductors and insulators – Anti-inductive structures – Conductor transposition
Reexamination Certificate
2005-05-03
2005-05-03
Reichard, Dean A. (Department: 2831)
Electricity: conductors and insulators
Anti-inductive structures
Conductor transposition
C257S659000, C361S818000
Reexamination Certificate
active
06888063
ABSTRACT:
Disclosed is a semiconductor radio frequency (RF) device having a shielding structure for minimizing coupling between RF passive components and conductive routing for active components. In one example, the device includes at least one shielding layer formed between the RF passive components and conductive routing. The shielding layer includes at least one opening. In another example, a second shielding layer may be used. The second shielding layer may also have an opening, and the openings in the first and second shielding layers may be offset from one another. The first and second shielding layers may be connected to each other through a guard ring, and may also be connected to a common voltage potential.
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Chang Chung-Long
Chern John
Guo Jyh-Chyurn
Lien Wai-Yi
Haynes and Boone LLP
Nino Adolfo
Reichard Dean A.
Taiwan Semiconductor Manufacturing Company , Ltd.
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