KR101718524B1 - 정전 방전 보호 소자 및 그 제조 방법 - Google Patents
정전 방전 보호 소자 및 그 제조 방법 Download PDFInfo
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- KR101718524B1 KR101718524B1 KR1020117028949A KR20117028949A KR101718524B1 KR 101718524 B1 KR101718524 B1 KR 101718524B1 KR 1020117028949 A KR1020117028949 A KR 1020117028949A KR 20117028949 A KR20117028949 A KR 20117028949A KR 101718524 B1 KR101718524 B1 KR 101718524B1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
- H01L23/60—Protection against electrostatic charges or discharges, e.g. Faraday shields
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D89/00—Aspects of integrated devices not covered by groups H10D84/00 - H10D88/00
- H10D89/60—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD]
- H10D89/601—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD] for devices having insulated gate electrodes, e.g. for IGFETs or IGBTs
- H10D89/911—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD] for devices having insulated gate electrodes, e.g. for IGFETs or IGBTs using passive elements as protective elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3011—Impedance
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- General Physics & Mathematics (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Semiconductor Integrated Circuits (AREA)
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Abstract
Description
도 1은 종래의 다이오드 보호의 개략도이다.
도 2A는 종래의 전압 스위칭-가능 폴리머 ESD 보호 소자의 사시도이다.
도 2B는 도 2A에 도시된 소자의 단면도이다.
도 3A는 도 2A에 도시된 소자에 연결된 ESD를 테스트하는 회로의 개략도이다.
도 3B는 전압 스위칭-가능 폴리머의 과열 및 불량을 유발할 수 있는 도 3A의 테스트 회로를 도시한다.
도 4는 일반적인 전압 스위칭-가능 폴리머 ESD 보호 소자의 예를 도시하는 단면도이다.
도 5A는 본 발명의 제1 실시예의 사시도이다.
도 5B는 도 5A의 실시예의 단면도이다.
도 5C는 테스트 회로 내의 도 5A의 실시예의 개략도이다.
도 6은 본 발명의 제2 실시예를 구성하기 위한 공정 단계들의 단면도이다.
도 7은 청구된 발명의 제3 실시예의 확대 사시도이다.
도 8은 도 6의 실시예의 소자의 단면도이다.
도 9는 청구된 발명의 제4 실시예를 구성하기 위한 제조 방법의 제2 실시예의 공정 단계들의 단면도이다.
Claims (19)
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- 도전성 기판 상에 마스크 물질을 형성하고,
상기 마스크 물질을 이용하여 상기 도전성 기판의 일부분들을 식각함으로써 서로 이격된 복수 개의 축받이들(pedestal)을 형성하고;
상기 마스크 물질을 제거하고;
상기 도전성 기판 상에 상기 축받이들과 이격되는 스페이서 물질을 추가하고;
상기 축받이들 상에 정전 방전 전압 스위칭-가능 폴리머를 제공하고; 그리고
상기 스페이서 물질의 위에 도전성 커버를 추가하고, 상기 정전 방전 전압 스위칭-가능 폴리머를 가압하여, 상기 도전성 기판과 상기 도전성 커버 사이로 퍼지도록 하는 것을 포함하는 정전 방전 보호 소자의 제조 방법. - 청구항 12에 있어서,
상기 도전성 커버를 상기 도전성 기판에 부착된 상기 스페이서 물질에 본딩하는 단계를 더 포함하는 정전 방전 보호 소자의 제조 방법. - 청구항 12에 있어서,
상기 정전 방전 전압 스위칭-가능 폴리머는 상기 도전성 커버에 의해 가압될 때, 상기 도전성 기판을 덮도록 제공되는 정전 방전 보호 소자의 제조 방법. - 청구항 12에 있어서,
상기 도전성 커버는 더 감소되어 전극 구조들을 형성하는 정전 방전 보호 소자의 제조 방법. - 마스크 물질로 도전성 기판을 패터닝하고,
상기 도전성 기판에 대한 미러 이미지로 도전성 커버를 패터닝하고,
상기 도전성 기판 및 상기 도전성 커버를 식각하여, 상기 마스크 물질 주변에서 상기 도전성 기판 및 상기 도전성 커버의 표면을 감소시켜 상기 도전성 기판 및 상기 도전성 커버 상에 축받이들을 형성하고,
상기 식각된 상기 도전성 기판 및 상기 도전성 커버 모두에서 상기 마스크 물질을 제거하고,
상기 식각된 도전성 기판에 스페이서 물질을 추가하고,
상기 축받이들 상에 정전 방전 전압 스위칭-가능 폴리머를, 상기 식각된 도전성 커버에 대해 가압될 때 상기 식각된 도전성 기판을 덮도록 제공하고,
상기 스페이서 물질 상에 상기 식각된 도전성 커버를 추가하고, 상기 정전 방전 전압 스위칭-가능 폴리머를 가압하여 상기 식각된 도전성 기판 및 상기 식각된도전성 커버 사이로 퍼지도록 하고,
상기 식각된 도전성 커버를 상기 식각된 도전성 기판에 부착된 상기 스페이서 물질에 본딩하는 단계를 포함하는 정전 방전 보호 소자의 제조 방법. - 제 1 방향으로 연장하는 도전성 기판;
상기 제 1 방향과 수직한 제 2 방향으로 연장되고, 상기 도전성 기판과 교차하는 도전성 커버;
상기 도전성 기판과 상기 도전성 커버의 교차점에서 상기 도전성 기판과 상기 도전성 커버 사이에 제공되는 전압 스위칭-가능 폴리머; 및
상기 전압 스위칭-가능 폴리머를 둘러싸는 주변 물질을 포함하고,
상기 전압 스위칭-가능 폴리머의 하면은 상기 도전성 기판과 접하고 상기 전압 스위칭-가능 폴리머의 상면은 상기 도전성 커버와 접하고, 상기 전압 스위칭-가능 폴리머는 상기 상면 및 상기 하면과 수직한 노출된 복사 표면을 포함하고,
상기 주변 물질은 상기 전압 스위칭-가능 폴리머의 상기 노출된 복사 표면과 이격되며, 상기 노출된 복사 표면으로부터 방출되는 복사 에너지를 흡수하는 노출된 흡수 표면을 포함하는 정전 방전 보호 소자. - 제 17항에 있어서,
상기 노출된 흡수 표면은 상기 전압 스위칭-가능 폴리머가 제공되지 않은 영역인 갭에 의하여 상기 노출된 복사 표면으로부터 이격되는 정전 방전 보호 소자. - 제 18항에 있어서,
상기 노출된 흡수 표면은 상기 노출된 복사 표면을 포함하는 물질이 제공되지 않은 영역인 갭에 의하여 상기 노출된 복사 표면으로부터 이격되는 정전 방전 보호 소자.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/435,812 | 2009-05-05 | ||
US12/435,812 US8199450B2 (en) | 2009-05-05 | 2009-05-05 | ESD protection utilizing radiated thermal relief |
PCT/US2010/033224 WO2010129423A2 (en) | 2009-05-05 | 2010-04-30 | Esd protection utilizing radiated thermal relief |
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KR20120038404A KR20120038404A (ko) | 2012-04-23 |
KR101718524B1 true KR101718524B1 (ko) | 2017-03-21 |
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US (1) | US8199450B2 (ko) |
KR (1) | KR101718524B1 (ko) |
WO (1) | WO2010129423A2 (ko) |
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JP2012018907A (ja) * | 2010-06-11 | 2012-01-26 | Nissan Motor Co Ltd | 電機部品 |
US8279608B2 (en) * | 2010-08-31 | 2012-10-02 | Chen chuan-fu | Heatsink device directly contacting a heat source to achieve a quick dissipation effect |
CN113489093A (zh) * | 2021-06-29 | 2021-10-08 | 中国长江电力股份有限公司 | 一种散热通道优化的蓄电池自动放电装置及使用方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US5807509A (en) | 1994-07-14 | 1998-09-15 | Surgx Corporation | Single and multi layer variable voltage protection devices and method of making same |
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BR8601387A (pt) | 1985-03-29 | 1986-12-02 | Raychem Ltd | Dispositivo para proteger um circuito eletrico,circuito eletrico,componente eletrico e uso de uma composicao amorfa |
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US4809124A (en) * | 1988-03-24 | 1989-02-28 | General Electric Company | High-energy low-voltage surge arrester |
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US5248517A (en) | 1991-11-15 | 1993-09-28 | Electromer Corporation | Paintable/coatable overvoltage protection material and devices made therefrom |
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US5262754A (en) * | 1992-09-23 | 1993-11-16 | Electromer Corporation | Overvoltage protection element |
ATE309610T1 (de) | 1996-01-22 | 2005-11-15 | Surgx Corp | Überspannungsschutzanordnung und herstellungsverfahren |
CN100446363C (zh) * | 2002-07-19 | 2008-12-24 | 埃普科斯股份有限公司 | 过电压放电保护装置及其应用 |
-
2009
- 2009-05-05 US US12/435,812 patent/US8199450B2/en active Active
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2010
- 2010-04-30 WO PCT/US2010/033224 patent/WO2010129423A2/en active Application Filing
- 2010-04-30 KR KR1020117028949A patent/KR101718524B1/ko not_active Application Discontinuation
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US5807509A (en) | 1994-07-14 | 1998-09-15 | Surgx Corporation | Single and multi layer variable voltage protection devices and method of making same |
US6108184A (en) | 1998-11-13 | 2000-08-22 | Littlefuse, Inc. | Surface mountable electrical device comprising a voltage variable material |
Also Published As
Publication number | Publication date |
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WO2010129423A2 (en) | 2010-11-11 |
KR20120038404A (ko) | 2012-04-23 |
WO2010129423A3 (en) | 2011-02-24 |
US20100284115A1 (en) | 2010-11-11 |
US8199450B2 (en) | 2012-06-12 |
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