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:
Jul. 21, 2020
Filed:
Nov. 05, 2018
Upi Semiconductor Corp., Hsinchu County, TW;
Ming-Chun ChenHsu, Hsinchu County, TW;
Chih-Hao Chen, Hsinchu County, TW;
uPI Semiconductor Corp., Hsinchu County, TW;
Abstract
Provided is an electrostatic discharge protection device including a first work area and a second work area. The first work area is configured to form a face-to-face connected diode string. The first work area includes a plurality of first sub-work areas. Each of the first sub-work areas includes a first doped region of a first conductivity type disposed in a substrate, a second doped region of a second conductivity type disposed in the substrate and surrounding the first doped region, and a third doped region of the second conductivity type disposed below the second doped region. The second work area is configured to form at least one diode. The second work area includes at least one second sub-work area. The second sub-work area includes a fourth doped region of the second conductivity type disposed in the substrate. Besides, the fourth doped region is electrically connected to the first doped region.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile