KR102765503B1 - 개선된 캡슐화 구조를 갖는 전자기 방사선을 검출하기 위한 장치의 제조 공정 - Google Patents
개선된 캡슐화 구조를 갖는 전자기 방사선을 검출하기 위한 장치의 제조 공정 Download PDFInfo
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Abstract
Description
이미 설명한 도 1은 종래 기술의 일 예에 따른 검출 장치의 개략적인 부분 단면도이다.
도 2a 내지 도 2j는, 일 실시예에 따른 검출 장치를 제조하기 위한 공정에서 다양한 단계를 개략적인 부분 단면도로 도시한다.
Claims (11)
- 기판(2) 상에 안착된 적어도 하나의 열 검출기(10) 및 열 검출기(10)가 위치되는 공동(3)을 기판(2)과 함께 형성하는 하나의 캡슐화 구조(20)를 포함하는 전자기 방사선을 검출하기 위한 장치(1)를 제조하는 공정으로서,
기판(2) 상에 퇴적된 적어도 하나의 제1 희생 층(31)으로부터 열 검출기(10)를 생성하는 단계,
제1 희생 층(31) 상에 안착된 적어도 하나의 제2 희생 층(32)으로부터 열 검출기(10) 위로 연장하는 캡슐화 구조(20)의 얇은 캡슐화 층(21)을 생성하는 단계로서, 얇은 캡슐화 층(21)은 캡슐화 재료로 이루어지는, 얇은 캡슐화 층(21)을 생성하는 단계,
물리 증착(PVD)에 의해, 얇은 캡슐화 층(21)을 덮은 얇은 밀봉 층(24)을 생성하는 단계로서, 얇은 밀봉 층(24)은 캡슐화 재료의 열 팽창 계수와 상이한 열 팽창 계수를 갖는 밀봉 재료로 이루어지는, 얇은 밀봉 층(24) 생성 단계를 포함하는, 제조 공정에 있어서,
얇은 밀봉 층(24)을 생성하는 단계 전에, 얇은 캡슐화 층(21) 상에 적어도 하나의 릴리프(23)를 생성하는 단계로서, 릴리프(23)는 얇은 밀봉 층(24)의 퇴적 동안 얇은 밀봉 층(24)이 얇은 캡슐화 층(21) 상에 안착되는 적어도 하나의 층 세그먼트(24.1) 및 층 세그먼트(24.1)로부터 분리되어 릴리프(23) 상에 안착되는 적어도 하나의 패드(24.2)로부터 형성되고 이에 의해 릴리프(23)에서 얇은 밀봉 층(24)의 연속성의 국소 파괴가 형성되도록 하는 평균 두께를 갖는, 적어도 하나의 릴리프(23) 생성 단계를 더 포함하는 것을 특징으로 하는, 제조 공정. - 제1항에 있어서, 릴리프(23)는, 기판(2)에 대한 정사영에서 열 검출기(10)를 적어도 부분적으로 둘러싸는 종방향 세그먼트의 2차원 어레이를 형성하는, 제조 공정.
- 제2항에 있어서, 기판(2)에 대한 정사영에서의 릴리프(23)의 종방향 세그먼트의 상기 어레이는 열 검출기(10)를 연속적으로 둘러싸서, 패드(24.2)는 릴리프(23)의 종방향 세그먼트의 상기 어레이에 대해 연속적으로 연장되고 릴리프(23)의 종방향 세그먼트의 상기 어레이에 의해 둘러싸인 층 세그먼트(24.1)로부터 분리되는, 제조 공정.
- 제1항에 있어서, 열 검출기(10)는, 기판(2) 위에 현수되고 검온 변환기(12)를 포함하는 흡수성 멤브레인(11)을 포함하고, 릴리프(23)는 기판(2)에 대한 정사영에서 흡수성 멤브레인(11)으로부터 거리를 두고 배치되는, 제조 공정.
- 제1항에 있어서, 얇은 밀봉 층(24)은 평균 두께(ecs)를 갖고, 릴리프(23)는 평균 두께(ecs)의 1/5 이상인 평균 두께(er)를 갖는, 제조 공정.
- 제1항에 있어서, 릴리프(23)를 생성하는 단계는 얇은 캡슐화 층(21)의 재료와 상이한 재료로 이루어진 제1 층을 퇴적하는 단계, 및 후속하여 릴리프(23)를 형성하도록 얇은 캡슐화 층(21)에 대해 제1 층을 선택적으로 에칭함으로써 제1 층을 국소적으로 구조화하는 단계를 포함하는, 제조 공정.
- 제1항에 있어서, 검출 장치(1)는 상기 공동(3) 내에 배치되는 열 검출기(10)의 매트릭스 어레이를 포함하고, 릴리프(23)는 기판(2)에 대한 정사영에서 열 검출기(10) 각각을 적어도 부분적으로 둘러싸는 종방향 세그먼트의 2차원 어레이를 형성하는, 제조 공정.
- 제1항에 있어서, 얇은 캡슐화 층(21)은 규소계이고 얇은 밀봉 층(24)은 게르마늄계인, 제조 공정.
- 제1항에 있어서, 얇은 밀봉 층(24)은 증발에 의해 퇴적되는, 제조 공정.
- 제1항에 있어서, 얇은 밀봉 층(24) 상에 물리 증착에 의해 얇은 반사방지 층(25)을 생성하는 단계를 포함하고, 얇은 반사방지 층(25)은 연속성의 국소 파괴를 갖는, 제조 공정.
- 제1항에 있어서,
○ 릴리프(23)를 생성하는 단계와 얇은 밀봉 층(24)을 생성하는 단계 사이에, 얇은 캡슐화 층(21)을 통해 방출 벤트(22)로 지칭되는 적어도 하나의 관통-오리피스를 형성하는 단계로서,
● 이어서, 얇은 밀봉 층(24)이 방출 벤트(22)를 차단하도록 생성되는, 적어도 하나의 관통-오리피스 형성 단계,
○ 방출 벤트(22)를 통해 희생 층(31, 32)을 제거하는 단계를 포함하는, 제조 공정.
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FR1859483 | 2018-10-12 | ||
FR1859483A FR3087261B1 (fr) | 2018-10-12 | 2018-10-12 | Procede de fabrication d'un dispositif de detection d'un rayonnement electromagnetique a structure d'encapsulation amelioree |
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EP (1) | EP3637071B1 (ko) |
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FR3103552B1 (fr) * | 2019-11-22 | 2021-12-10 | Commissariat Energie Atomique | procede de fabrication d’un dispositif de detection presentant une protection amelioree du getter |
FR3109440B1 (fr) * | 2020-04-16 | 2022-03-25 | Commissariat Energie Atomique | Procédé de fabrication d’un dispositif de détection comportant une paroi périphérique en un materiau minéral |
US11758312B2 (en) * | 2021-06-01 | 2023-09-12 | Xmems Taiwan Co., Ltd. | Sound producing package structure and manufacturing method thereof |
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JP2007514556A (ja) | 2003-12-19 | 2007-06-07 | コミサリア、ア、レネルジ、アトミク | 密封されたマイクロキャビティを備えるマイクロ部品及びそのようなマイクロ部品の製造方法 |
JP2016194507A (ja) | 2015-02-20 | 2016-11-17 | コミサリア ア レネルジ アトミク エ オウ エネルジ アルタナティヴ | 排出口を有する封入構造を有する電磁放射検出装置 |
JP2017202953A (ja) | 2016-05-11 | 2017-11-16 | 日本電気硝子株式会社 | 封止材積層体及び接合体 |
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US20070235501A1 (en) * | 2006-03-29 | 2007-10-11 | John Heck | Self-packaging MEMS device |
FR2901264B1 (fr) * | 2006-05-22 | 2008-10-10 | Commissariat Energie Atomique | Microcomposant muni d'une cavite delimitee par un capot a resistance mecanique amelioree |
US7622717B2 (en) | 2007-08-22 | 2009-11-24 | Drs Sensors & Targeting Systems, Inc. | Pixel structure having an umbrella type absorber with one or more recesses or channels sized to increase radiation absorption |
FR2983297B1 (fr) * | 2011-11-29 | 2015-07-17 | Commissariat Energie Atomique | Detecteur infrarouge a base de micro-planches bolometriques suspendues |
US20140147955A1 (en) * | 2012-11-29 | 2014-05-29 | Agency For Science, Technology And Research | Method of encapsulating a micro-electromechanical (mems) device |
FR3033044B1 (fr) | 2015-02-20 | 2020-02-28 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Dispositif de detection de rayonnement comportant une structure d'encapsulation a tenue mecanique amelioree |
FR3050870B1 (fr) * | 2016-04-28 | 2018-05-25 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede de realisation d’un dispositif de detection de rayonnement electromagnetique comportant une couche en un materiau getter |
CN106276781B (zh) * | 2016-09-06 | 2017-10-17 | 烟台睿创微纳技术股份有限公司 | 一种微测辐射热计参考像元的制备方法和结构 |
FR3056292B1 (fr) | 2016-09-22 | 2020-11-20 | Commissariat Energie Atomique | Structure de detection de rayonnements electromagnetiques de type bolometre et procede de fabrication d'une telle structure |
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- 2019-10-10 US US16/598,197 patent/US10981782B2/en active Active
- 2019-10-14 KR KR1020190127047A patent/KR102765503B1/ko active Active
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JP2007514556A (ja) | 2003-12-19 | 2007-06-07 | コミサリア、ア、レネルジ、アトミク | 密封されたマイクロキャビティを備えるマイクロ部品及びそのようなマイクロ部品の製造方法 |
JP2016194507A (ja) | 2015-02-20 | 2016-11-17 | コミサリア ア レネルジ アトミク エ オウ エネルジ アルタナティヴ | 排出口を有する封入構造を有する電磁放射検出装置 |
JP2017202953A (ja) | 2016-05-11 | 2017-11-16 | 日本電気硝子株式会社 | 封止材積層体及び接合体 |
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KR20200041819A (ko) | 2020-04-22 |
CA3058107A1 (fr) | 2020-04-12 |
EP3637071A1 (fr) | 2020-04-15 |
US10981782B2 (en) | 2021-04-20 |
US20200115225A1 (en) | 2020-04-16 |
FR3087261B1 (fr) | 2021-11-12 |
EP3637071B1 (fr) | 2021-07-28 |
CN111044158B (zh) | 2023-12-19 |
FR3087261A1 (fr) | 2020-04-17 |
CN111044158A (zh) | 2020-04-21 |
RU2019132072A (ru) | 2021-04-12 |
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