Title:
PROTECTIVE ELEMENT
Document Type and Number:
WIPO Patent Application WO/2024/018863
Kind Code:
A1
Abstract:
Provided is a protective element capable of preventing an influence of reflow mounting on quick fusion-cutting property of a fuse element while achieving low cost. A protective element 1 comprises: an insulation substrate 2; a first electrode 4 and a second electrode 5 provided on the insulation substrate 2; a fuse element 7 that is disposed on the surfaces of the first electrode 4 and the second electrode 5 and that electrically connects the first electrode 4 and the second electrode 5 to each other; and a connection conductor 8 that connects the fuse element 7 to the first electrode 4 and the second electrode 5. The fuse element 7 is composed of a lead-free conductor, and has a liquid phase point higher than a reflow heating temperature. The connection conductor 8 has a liquid phase point lower than that of the fuse element 7, and a solid phase point lower than the reflow heating temperature.
Inventors:
KOMORI CHISATO (JP)
Application Number:
PCT/JP2023/024087
Publication Date:
January 25, 2024
Filing Date:
June 28, 2023
Export Citation:
Assignee:
DEXERIALS CORP (JP)
International Classes:
H01H85/06; H01H37/76; H01H85/143; H01M50/583
Domestic Patent References:
| WO2020209198A1 | 2020-10-15 | |||
| WO2009130946A1 | 2009-10-29 |
Foreign References:
| JP2015035281A | 2015-02-19 | |||
| JP2001266734A | 2001-09-28 | |||
| JP2009301964A | 2009-12-24 | |||
| JP2007152385A | 2007-06-21 | |||
| JP2017152387A | 2017-08-31 | |||
| JP2790433B2 | 1998-08-27 |
Attorney, Agent or Firm:
NOGUCHI, Nobuhiro et al. (JP)
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