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.:
Date of Patent:
Jun. 13, 2023
Filed:
Mar. 09, 2021
Applicant:
Palo Alto Research Center Incorporated, Palo Alto, CA (US);
Inventor:
Jengping Lu, Fremont, CA (US);
Assignee:
PALO ALTO RESEARCH CENTER INCORPORATED, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B81B 7/00 (2006.01); H01L 29/40 (2006.01); H01L 29/786 (2006.01); H01L 31/0376 (2006.01); H01L 31/108 (2006.01);
U.S. Cl.
CPC ...
B81B 7/008 (2013.01); H01L 29/402 (2013.01); H01L 29/78669 (2013.01); H01L 29/78696 (2013.01); H01L 31/03762 (2013.01); H01L 31/108 (2013.01); B81B 2201/03 (2013.01); B81B 2207/03 (2013.01);
Abstract
A device includes a first stage having a first optical switch, a first transistor connected to the first optical switch, and a second transistor connected to the first optical switch and the first transistor. The device also includes a second stage having a second optical switch, a third transistor connected to the second transistor and the second optical switch, and a fourth transistor connected to the second transistor, the second optical switch, and the third transistor.