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:
Jan. 11, 2022
Filed:
Jun. 24, 2020
Ipu Semiconductor Co., Ltd., Miaoli County, TW;
Cheng-Chi Lin, Hsinchu County, TW;
Chih-Hao Chen, Hsinchu County, TW;
IPU SEMICONDUCTOR CO., LTD., Miaoli County, TW;
Abstract
A transient voltage suppression device including a substrate of a first conductivity type, a first well of a second conductivity type, a first anode, a first cathode, and a first trigger node is provided. The first well is disposed in the substrate. The first anode is disposed in the substrate outside the first well and includes a second doped region of the second conductivity type and a third doped region of the first conductivity type disposed between the second doped region and the first doped region. The first trigger node is disposed between the first anode and the first cathode, and includes a fourth region of the first conductivity type disposed in the substrate and a fifth doped region of the second conductivity type at least partially disposed in the first well and disposed between the fourth doped region and the third doped region.
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