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Patent Searching and Data


Title:
SURGE PROTECTOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/118028
Kind Code:
A1
Abstract:
A surge protector device comprises: an N-type substrate having a rear P-well layer over the entirety of a rear surface thereof and a front P-well layer on a front surface of the N-type substrate, wherein a side of the front P-well layer is provided with N+ implant regions. A TVS and a TSS are integrated, such that the device displays TVS characteristics when subjected to a forward surge, and displays TSS characteristics when subjected to a reverse surge, thus solving the problem in applications in which a TVS and a TSS connected in series are required to be employed. The surge protector device has a high level of integration and a low product cost, facilitates connection to an external circuit, and can be easily and conveniently applied.

Inventors:
LUO SHENGHUI (CN)
Application Number:
CN2016/095630
Publication Date:
July 13, 2017
Filing Date:
August 17, 2016
Export Citation:
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Assignee:
SHENZHEN BENCENT ELECTRONICS CO LTD (CN)
International Classes:
H02H9/04; H01L29/87
Domestic Patent References:
WO2004004007A22004-01-08
Foreign References:
CN105552873A2016-05-04
CN205283121U2016-06-01
CN105609549A2016-05-25
CN205385026U2016-07-13
CN101552465A2009-10-07
CN102496619A2012-06-13
CN104505341A2015-04-08
US5401984A1995-03-28
CN2181754Y1994-11-02
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