JP5871275B2 - 回路保護素子および電極構体 - Google Patents
回路保護素子および電極構体 Download PDFInfo
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- JP5871275B2 JP5871275B2 JP2012222031A JP2012222031A JP5871275B2 JP 5871275 B2 JP5871275 B2 JP 5871275B2 JP 2012222031 A JP2012222031 A JP 2012222031A JP 2012222031 A JP2012222031 A JP 2012222031A JP 5871275 B2 JP5871275 B2 JP 5871275B2
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- 239000000758 substrate Substances 0.000 claims description 90
- 238000010438 heat treatment Methods 0.000 claims description 32
- 239000000956 alloy Substances 0.000 description 18
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- 238000005476 soldering Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000007772 electrode material Substances 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
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- 239000000919 ceramic Substances 0.000 description 3
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- 229910000743 fusible alloy Inorganic materials 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
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Description
特許文献2:特開2011−034755号公報
20,30・・・ヒータ付き回路保護素子用の電極構体、
50・・・回路保護素子、
60,70・・・ヒータ付き回路保護素子、
11,21,31,41,51,61,71・・・絶縁基板、
12,22,32,42,52,62,72・・・上面のパタン電極、
15,25,35,55,65,75・・・下面のパタン電極、
12a,22a,32a,52a,62a,72a・・・基板長辺側のパタン電極、
12b,22b,52b,62b・・・基板中央のパタン電極、
32b,72b・・・基板短辺側のパタン電極、
13,23,33,43,53,63,73・・・張出部、
13a,23a,33a,53a,63a,73a・・・基板長辺側パタン電極の張出部、
13b,23b,53b,63b・・・基板中央パタン電極の張出部、
33b,73b・・・カバー電極の張出部、
14,24,34,44,54,64,74・・・スルーホール、
26,36,66,76・・・発熱素子、
26a,36a,66a,76a・・・抵抗体、
26b,36b,66b,76b・・・絶縁層、
37,77・・・カバー電極、
100・・・ヒューズ素子、
110・・・蓋体、
120・・・溶断部位。
Claims (3)
- 絶縁基板と、この絶縁基板に設けた複数の電極とを備えた電極構体であって、前記電極のうちヒューズ素子と接合する三つの電極の中央電極は、これを挟む他の二つの電極と対向する電極辺の両辺を弧状に張り出した張出部を含み、さらに残り二つの電極は、該中央電極の前記両辺と対向する電極端を弓なりに湾曲させた電極形状で、前記ヒューズ素子の接合に必要な接合代を確保しながら前記ヒューズ素子と接合する電極の電極面積を拡張したことを特徴とする回路保護素子用の電極構体。
- 前記絶縁基板は、前記中央電極の下部に当接して設けた発熱素子、または前記中央電極の下部に前記絶縁基板を間に挟んで該基板裏面に設けた発熱素子をさらに備えたことを特徴とする請求項1に記載の回路保護素子用の電極構体。
- 前記中央電極および該中央電極を挟む前記他の二つの電極の電極形状は、前記発熱素子の熱によって加熱され高温になる前記絶縁基板のホットスポットの形状に整合した形状であることを特徴とする請求項2に記載の回路保護素子用の電極構体。
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JP2014075270A JP2014075270A (ja) | 2014-04-24 |
JP5871275B2 true JP5871275B2 (ja) | 2016-03-01 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2003217416A (ja) * | 2002-01-25 | 2003-07-31 | Nec Schott Components Corp | 温度ヒュ−ズおよびこれを装着した保護装置 |
JP5489683B2 (ja) * | 2009-12-07 | 2014-05-14 | 京セラ株式会社 | 抵抗温度ヒューズパッケージ、並びに抵抗温度ヒューズ |
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