JP5918629B2 - セラミック抵抗器 - Google Patents
セラミック抵抗器 Download PDFInfo
- Publication number
- JP5918629B2 JP5918629B2 JP2012122015A JP2012122015A JP5918629B2 JP 5918629 B2 JP5918629 B2 JP 5918629B2 JP 2012122015 A JP2012122015 A JP 2012122015A JP 2012122015 A JP2012122015 A JP 2012122015A JP 5918629 B2 JP5918629 B2 JP 5918629B2
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- metal film
- conductive metal
- ceramic
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000919 ceramic Substances 0.000 title claims description 50
- 229910052751 metal Inorganic materials 0.000 claims description 65
- 239000002184 metal Substances 0.000 claims description 65
- 230000002093 peripheral effect Effects 0.000 claims description 24
- 229910052709 silver Inorganic materials 0.000 claims description 11
- 239000004332 silver Substances 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical group [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 10
- 230000002159 abnormal effect Effects 0.000 description 9
- 230000020169 heat generation Effects 0.000 description 8
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
- H01C1/148—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors the terminals embracing or surrounding the resistive element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/001—Mass resistors
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Non-Adjustable Resistors (AREA)
- Resistance Heating (AREA)
Description
1a 電流集中箇所
1b 電流迂回箇所
2 電極
3 導電性金属膜
4 リード端子
5 下地電極
P 最小長さ
L 最小幅寸法
11,12,12,14 セラミック抵抗器
Claims (4)
- 絶縁性セラミックに導電物質を混合して焼結させた円柱状の抵抗体と、この抵抗体の長手方向の両端部に嵌着された一対の電極とを備えたセラミック抵抗器において、
前記抵抗体の外周面の一部で前記電極から離隔した領域に、この抵抗体よりも低抵抗な導電性金属膜を全周に亘って付設したことを特徴とするセラミック抵抗器。 - 請求項1の記載において、前記抵抗体の半径をR、前記電極から前記導電性金属膜までの最小長さをPとすると、P≧Rに設定されていることを特徴とするセラミック抵抗器。
- 請求項2の記載において、前記導電性金属膜の長手方向に沿う最小幅寸法をLとすると、L≧Rに設定されていることを特徴とするセラミック抵抗器。
- 請求項1〜3のいずれか1項の記載において、前記導電性金属膜の主成分が銀であることを特徴とするセラミック抵抗器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012122015A JP5918629B2 (ja) | 2011-09-29 | 2012-05-29 | セラミック抵抗器 |
PCT/JP2012/074388 WO2013047434A1 (ja) | 2011-09-29 | 2012-09-24 | セラミック抵抗器 |
CN201280047818.8A CN103843078B (zh) | 2011-09-29 | 2012-09-24 | 陶瓷电阻器 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011215052 | 2011-09-29 | ||
JP2011215052 | 2011-09-29 | ||
JP2012122015A JP5918629B2 (ja) | 2011-09-29 | 2012-05-29 | セラミック抵抗器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013084896A JP2013084896A (ja) | 2013-05-09 |
JP5918629B2 true JP5918629B2 (ja) | 2016-05-18 |
Family
ID=47995466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012122015A Active JP5918629B2 (ja) | 2011-09-29 | 2012-05-29 | セラミック抵抗器 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5918629B2 (ja) |
CN (1) | CN103843078B (ja) |
WO (1) | WO2013047434A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018125489A (ja) * | 2017-02-03 | 2018-08-09 | Koa株式会社 | 抵抗器 |
JP6938274B2 (ja) * | 2017-08-21 | 2021-09-22 | Koa株式会社 | 抵抗器 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3735318A (en) * | 1971-11-04 | 1973-05-22 | Mallory & Co Inc P R | Fusing resistor |
JPS5437656B2 (ja) * | 1974-03-25 | 1979-11-16 | ||
US4038457A (en) * | 1976-02-12 | 1977-07-26 | Matsushita Electric Industrial Co., Ltd. | Fusible metal film resistor |
US4050053A (en) * | 1976-04-22 | 1977-09-20 | North American Philips Corporation | Resistor end terminations |
JPS55157205A (en) * | 1979-05-26 | 1980-12-06 | Matsushita Electric Ind Co Ltd | Fusion resistor |
JPS6119101A (ja) * | 1984-07-05 | 1986-01-28 | ニチコン株式会社 | 抵抗素体 |
JPH02272701A (ja) * | 1989-04-14 | 1990-11-07 | Koa Corp | セラミック固定抵抗器 |
JPH06224011A (ja) * | 1992-11-30 | 1994-08-12 | Tama Electric Co Ltd | ヒューズ抵抗器 |
WO1994027302A1 (fr) * | 1993-05-14 | 1994-11-24 | Kiyokawa Mekki Kougyo Co., Ltd | Resistance a film metallique ayant une fonction de fusion et procede de fabrication |
JPH09246001A (ja) * | 1996-03-08 | 1997-09-19 | Matsushita Electric Ind Co Ltd | 抵抗組成物およびこれを用いた抵抗器 |
JP2002367804A (ja) * | 2001-06-11 | 2002-12-20 | K-Tech Devices Corp | 抵抗器 |
JP2003324006A (ja) * | 2002-04-26 | 2003-11-14 | Koa Corp | 抵抗体およびセラミック固定抵抗器 |
CN101221844B (zh) * | 2007-01-09 | 2011-07-27 | 兴亚株式会社 | 带引线的电阻器及其制造方法 |
JP2012122015A (ja) * | 2010-12-09 | 2012-06-28 | Sumitomo Rubber Ind Ltd | タイヤ用ゴム組成物及び空気入りタイヤ |
CN201984919U (zh) * | 2010-12-31 | 2011-09-21 | 深圳意杰(Ebg)电子有限公司 | 复合型金属膜电阻器 |
-
2012
- 2012-05-29 JP JP2012122015A patent/JP5918629B2/ja active Active
- 2012-09-24 CN CN201280047818.8A patent/CN103843078B/zh active Active
- 2012-09-24 WO PCT/JP2012/074388 patent/WO2013047434A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN103843078A (zh) | 2014-06-04 |
JP2013084896A (ja) | 2013-05-09 |
WO2013047434A1 (ja) | 2013-04-04 |
CN103843078B (zh) | 2017-02-15 |
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