The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9530797 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 27, 2016

Filed:

Mar. 01, 2015
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Yugo Kunishi, Yokohama Kanagawa, JP;

Toshiki Seshita, Kawasaki Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2015.01); H01L 27/12 (2006.01); H03K 17/687 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1203 (2013.01); H03K 17/687 (2013.01);
Abstract

A semiconductor switch on a SOI substrate that includes a supporting substrate, an insulating layer on the supporting substrate, and a semiconductor layer provided on the insulating layer, includes a first and a second through FET groups, each including a plurality of field effect transistors connected in series between a common node and a first and second node, respectively. The first through FET group has an area equal to or less than an area Sfet, which is calculated by using an equivalent circuit including a resistance that represents leakage of a high frequency signal from the first through FET group to the supporting substrate.


Find Patent Forward Citations

Kunishi, Yugo. (2016). Semiconductor switch, wireless apparatus, and method of designing semiconductor switch (U.S. Patent No. 9530797). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9530797

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