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:
Feb. 12, 2019
Filed:
May. 17, 2016
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventor:
Yohei Mikami, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/02 (2006.01); H01L 31/107 (2006.01); H04B 10/40 (2013.01);
U.S. Cl.
CPC ...
H01L 31/02027 (2013.01); H01L 31/107 (2013.01); H04B 10/40 (2013.01);
Abstract
An optical module includes: an avalanche photodiode; a power supply terminal; a self bias resistor connected between a cathode of the avalanche photodiode and the power supply terminal; a grounding terminal; and a surge preventing Zener diode having a cathode connected to a connection point between the power supply terminal and the self-bias resistor and an anode directly connected to the grounding terminal.