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.

Date of Patent:
Aug. 13, 2019

Filed:

Dec. 13, 2017
Applicant:

Nxp B.v., Eindhoven, NL;

Inventors:

Lukas Frederik Tiemeijer, Eindhoven, NL;

Viet Thanh Dinh, Leuven, BE;

Valerie Marthe Girault, Overasselt, NL;

Assignee:

NXP B.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/40 (2006.01); H01L 29/417 (2006.01); H01L 23/66 (2006.01); H01L 23/528 (2006.01); H01L 29/423 (2006.01); H01L 23/522 (2006.01); H01L 29/78 (2006.01); H01L 27/02 (2006.01);
U.S. Cl.
CPC ...
H01L 29/41758 (2013.01); H01L 23/5226 (2013.01); H01L 23/5283 (2013.01); H01L 23/66 (2013.01); H01L 29/401 (2013.01); H01L 29/42376 (2013.01); H01L 27/0207 (2013.01); H01L 29/785 (2013.01);
Abstract

A Field Effect Transistor (FET) capable of operating at high frequencies and includes comb-shaped source and drain electrodes. The comb-shaped drain electrode includes a plurality of thin comb-shape drain electrode layers at corresponding levels of the FET, each comb-shaped drain electrode layer including a plurality of drain electrode fingers having substantially the same width as the comb-shaped drain electrodes of each other layer. The comb-shaped source electrode includes a plurality of comb-shape source electrode layers at the corresponding levels, each comb-shaped drain electrode layer including a plurality of drain electrode fingers having substantially the same width as the comb-shaped source electrodes of each other layer. In addition, the inter-level retraction of adjacent drain electrode layers is the same or substantially the same. Similarly, the inter-level retraction of adjacent source electrode layers is the same or substantially the same.


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