Title:
MULTILAYER VARISTOR AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/113822
Kind Code:
A1
Abstract:
The present disclosure addresses the problem of providing a multilayer varistor with which reliability can be improved by preventing peeling, cracks, etc. even in a harsh environment. A multilayer varistor (1) comprises: a sintered body (11); a first exterior electrode (13A); a second exterior electrode (13B); a first interior electrode (12A); a second interior electrode (12B); and a high resistance portion (16). The first interior electrode (12A) is provided inside the sintered body (11), and is electrically connected to the first exterior electrode (13A). The second interior electrode (12B) is provided inside the sintered body (11), and is electrically connected to the second exterior electrode (13B). The high resistance portion (16) includes: a surface high-resistance portion (14) provided so as to cover the surface of the sintered body (11); and an interior high-resistance portion (15) extending from the surface high-resistance portion (14) toward the inside of the sintered body (11).
Inventors:
KAWAJIRI KEIJI
MUTOU NAOKI
MOTOMITSU HIRONORI
WATANABE MICHIYA
YAMAGISHI YUJI
NISHIMURA YASUHIRO
MUTOU NAOKI
MOTOMITSU HIRONORI
WATANABE MICHIYA
YAMAGISHI YUJI
NISHIMURA YASUHIRO
Application Number:
PCT/JP2021/042054
Publication Date:
June 02, 2022
Filing Date:
November 16, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01C7/102; H01C17/02
Foreign References:
| JP2007242995A | 2007-09-20 | |||
| JP2020119935A | 2020-08-06 | |||
| JPH09205005A | 1997-08-05 | |||
| US20030043013A1 | 2003-03-06 | |||
| JPH027401A | 1990-01-11 | |||
| JP2004023090A | 2004-01-22 |
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (JP)
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