Semiconductor device with antenna and collector screen

Details Semiconductor device with antenna and collector screen Semiconductor device with antenna and collector screen

2007-02-20

2007-02-20

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S788000, C343S793000

Reexamination Certificate

active

11071596

ABSTRACT:
A semiconductor device includes a substrate, for example made of silicon, and layers, deposited on this substrate. Within at least one of these layers a radio signal transmission/reception antenna is formed. Located between the antenna and the substrate, a screen for collecting induced currents between this antenna and this substrate is formed within at least one of the layers. The screen includes at least one main branch connected to a fixed potential, for example a ground reference, and a plurality of secondary branches connected to the main branch at one of their extremities. The collector screen accordingly presents a tree-like structure.

REFERENCES:
patent: 4654622 (1987-03-01), Foss et al.
patent: 5386214 (1995-01-01), Sugawara
patent: 5386215 (1995-01-01), Brown
patent: 5400039 (1995-03-01), Araki et al.
patent: 5903239 (1999-05-01), Takahashi et al.
patent: 6424315 (2002-07-01), Glenn et al.
patent: 2003/0132430 (2003-07-01), Tsai
Preliminary French Search Report, FR 04 02710, dated Jul. 13, 2004.

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