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:
Oct. 29, 2013
Filed:
Nov. 30, 2011
Applicant:
Mueng-ryul Lee, Seoul, KR;
Inventor:
Mueng-Ryul Lee, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device includes an output port that has a first lateral double diffused metal oxide semiconductor (LDMOS) device and an electrostatic discharge protection device that has a second LDMOS device and a bipolar transistor and that protects the output port from electrostatic discharge. A breakdown voltage of the second LDMOS device is equal to or lower than a breakdown voltage of the first LDMOS device.