KR20170010074A - 가스 정제기 - Google Patents
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Abstract
Description
도 1은 가스 분포 박스, 극자외선(EUV) 국소환경 및 EUV 진공 챔버의 블록 다이아그램이다.
도 2는 대기압 이하 가스 정제기 평가에 대한 실험 설정의 도식적 표시이다.
도 3은 정제기 압력의 함수로서의 수분 수준의 그래프이고, A(산소 및 수분을 제거하기 위해 질소 및 수소 정제에 사용되는 상업용 정제기), B("H" 정제기, 수소에서 환원될 수 있고 산소를 제거하는 금속 촉매 및 수분을 제거하는 건조제를 포함하는 매사추세츠주 베드포드에 소재하는 Entegris, Inc.로부터 구입 가능) 및 C(지지체 위의 금속 촉매 및 분자체 건조제를 포함하는 하기 실시예 2에 기재된 스킴 2의 정제기)의 3 가지 정제기 기술들에 대한 대기압 이하 조건 하의 수분 탈기체를 나타낸다.
도 4는 시간의 함수로서의 수분 수준의 그래프이고, H2로의 N2 가스 흐름 스위치(기기 하부 검출 한계(LDL) = 1ppb) 하에 3개의 대표적인 정제기들(A, B 및 C)에 대한 수분 탈기체 수준의 압력 의존도를 나타낸다.
도 5a 및 도 5b는 시간의 함수로서의 수분 수준의 그래프이고, H2 가스 중의 습식(25ppm) 입구 수분 도전 하의 정제기 C(본 명세서에 기재된 스킴 2 조성물, 실시예 2)의 출구 수분(도 5a) 및 N2-H2 흐름 스위치 동안 건식(50ppb 미만) 입구 수분(도 5b)을 나타낸다.
도 6은 도전 시간의 함수로서의 출구 수분 수준의 그래프이고, 정제기 C(본 명세서에 기재된 스킴 2 조성물) 및 제2 정제기(본 명세서에 기재된 스킴 1 조성물)에 대한 돌파 곡선들을 예시한 것이다.
도 7은 입구 압력의 함수로서의 정제기 압력 변화의 그래프이고, 다양한 유속에서 스킴 1 및 스킴 2 정제기 조성물들에 대한 압력 강하 곡선들을 예시한 것이다.
도 8은 스킴 1 및 스킴 2 정제기들에 대한 정제기 출구 농도에 대한 정규화 빈도의 그래프이고, 각각 10 SLPLM의 가스 유속에서 1천 2백만 분율 용적(ppmv)의 수분 도전 하에 표준 70KF 크기 정제기 하우징들에서의 스킴 1 및 스킴 2 조성물들에 대한 출구 수분 함량을 예시한 것이다.
도 9는 시간 단위의 시간의 함수로서의 정제 디바이스에 의한 처리 후의 수소 가스의 십억분율 용적 단위의 수분 농도를 나타낸다.
도 10은 막을 픽스하고 보유하기 위한 팽창성 매체 보유 고리 또는 스냅 고리가 있거나 없이 사용되는 가스 정제기의 일련의 이미지들을 나타낸다. 상부 이미지는 스냅 고리가 없이 사용된 가스 정제기로부터의 이미지이고, 업스트림 매체 층으로부터 입자들의 침착물들을 갖는 다운스트림 매체 층을 나타낸다. 중앙 이미지는 하우징에 보유된 팽창성 매체 보유 고리 및 막을 갖는 가스 정제기를 나타낸다. 하부 이미지는 팽창성 고리가 장착된 사용된 가스 정제기로부터의 이미지이고, 업스트림 층으로부터의 임의의 입자 침착물들을 나타내지 않는 다운스트림 매체 층을 나타낸다.
도 11은 가스 입구(상부) 및 가스 출구(하부)를 갖는 하우징, 입구 근처의 업스트림 프릿, 다운스트림 매체의 상부 표면과 접촉하여 단단히 고정된 막에 의해 다운스트림 정제 매체로부터 분리된 업스트림 정제 매체를 포함하는 정제기 발명의 비제한적인 버전을 예시한 것이고, 다운스트림 매체는 하우징의 출구 근처에 입자 필터 또는 프릿을 오버레이한다. 상부 매체 층(미세한 점들)은 막 또는 세퍼레이터 및 고리에 의해 하부 매체 층(굵은 점들)으로부터 분리되는 것으로 도시되어 있다. 대안적으로, 막은 이의 테두리에서 하우징에 납땜되어 고정되고 고리는 제거된다.
Claims (15)
- 가스 정제기로서,
유체 입구 및 유체 출구를 구비한 하우징
을 포함하고,
상기 입구 및 상기 출구는 상기 하우징 내에 포함된 정제기 베드를 통해 유체로 연결되어 있고,
상기 정제기 베드는
정제 매체의 제1 베드;
상기 정제 매체의 제1 베드의 다운스트림인 정제 매체의 제2 베드; 및
상기 정제 매체의 제1 베드 및 상기 정제 매체의 제2 베드를 분리하는 매체 보유 다공성 가스 투과성 막
을 포함하고,
상기 매체 보유 막은 정제 매체의 입자가 통과하는 것을 방지하는 기공 크기를 갖고, 상기 매체 보유 막은 상기 하우징의 내면에 이의 테두리들에서 고정되어 있고,
상기 정제 매체의 제1 베드 및 상기 정제 매체의 제2 베드는 조성이 다른, 가스 정제기. - 제1항에 있어서, 상기 매체 보유 가스 투과성 다공성 막은 내부 원주, 외부 원주 및 잠금 기전이 체결될 때 상기 하우징의 내벽에 대한 방사상 힘에 의해 팽창성 고리를 팽창시키고 보유하는 잠금 기전을 포함하는 상기 팽창성 고리에 의해 상기 하우징의 상기 내면에 이의 테두리들에서 고정되어 있는, 가스 정제기.
- 제1항에 있어서, 상기 매체 보유 가스 투과성 다공성 막은 상기 하우징의 내면에 이의 테두리들에서 용접에 의해 고정되어 있는, 가스 정제기.
- 제1항에 있어서, 상기 매체 보유 다공성 막은 상기 정제 매체의 제2 베드와 친밀히 접촉을 보유하는, 가스 정제기.
- 제1항에 있어서, 상기 매체 보유 다공성 막은 팽창성 고리의 표면과 상기 정제 매체의 제2 베드의 표면 사이에 픽스되어 있는, 가스 정제기.
- 제1항에 있어서, 상기 정제 매체의 제1 베드 및 상기 정제 매체의 제2 베드 각각은 독립적으로 고표면적 지지 매체 위의 금속 촉매, 건조제 재료, 분자체, 제올라이트, 지지 매체 위의 유기 금속 반응물, 게터 재료, 또는 단소계 매체를 포함하는, 가스 정제기.
- 제1항에 있어서, 상기 매체 보유 다공성 막은 금속, 반금속, 탄소계, 세라믹, 중합체, 또는 열 전도성인 재료를 포함하는, 가스 정제기.
- 제1항에 있어서, 상기 매체 보유 다공성 막은 펠트, 와이어 메쉬, 소결된 입자, 전자 취입 섬유, 직조 막, 또는 부직조 막인, 가스 정제기.
- 제1항에 있어서, 잠금 기전은 스프링 잠금 기전인, 가스 정제기.
- 제1항에 있어서, 팽창성 고리는 금속(예를 들면, 스테인리스 강), 플라스틱, 또는 금속 합금을 포함하는, 가스 정제기.
- 제1항에 있어서, 팽창성 고리는 약 1.5밀리미터 내지 약 3.0밀리미터의 두께를 갖는, 가스 정제기.
- 제1항에 있어서, 상기 매체 보유 다공성 막은 약 0.05마이크론 내지 약 1.0마이크론의 기공 크기를 갖는, 가스 정제기.
- 제1항에 있어서, 정제 매체의 하나 이상의 추가 베드 및 하나 이상의 추가 매체 보유 다공성 막을 더 포함하고, 상기 추가 막은, 존재하는 경우, 정제 매체의 임의의 2개 베드를 분리하는, 가스 정제기.
- 제1항에 있어서, 상기 매체 보유 다공성 막은 다공성 펠트 막인, 가스 정제기.
- 제1항에 있어서, 상기 하우징은 상기 팽창성 고리를 위한 홈을 포함하지 않는, 가스 정제기.
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| US61/597,230 | 2012-02-10 | ||
| PCT/US2013/025239 WO2013119883A1 (en) | 2012-02-10 | 2013-02-08 | Gas purifier |
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| SG (2) | SG11201404783SA (ko) |
| TW (2) | TWI617344B (ko) |
| WO (1) | WO2013119883A1 (ko) |
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| FR3083718B1 (fr) * | 2018-07-11 | 2020-07-03 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Dispositif en toile permettant de limiter ou supprimer la migration de particules entre deux couches |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2013166144A (ja) | 2013-08-29 |
| TWI592205B (zh) | 2017-07-21 |
| KR101961048B1 (ko) | 2019-07-15 |
| KR102043480B1 (ko) | 2019-11-11 |
| EP3207976B1 (en) | 2021-06-30 |
| KR20140123581A (ko) | 2014-10-22 |
| US10245554B2 (en) | 2019-04-02 |
| SG10201702197PA (en) | 2017-04-27 |
| US9694319B2 (en) | 2017-07-04 |
| JP6585330B2 (ja) | 2019-10-02 |
| US20170333841A1 (en) | 2017-11-23 |
| CN107008142A (zh) | 2017-08-04 |
| EP2812101A1 (en) | 2014-12-17 |
| JP6480483B2 (ja) | 2019-03-13 |
| CN108097036A (zh) | 2018-06-01 |
| CN104245090A (zh) | 2014-12-24 |
| TW201345598A (zh) | 2013-11-16 |
| EP3207976A1 (en) | 2017-08-23 |
| SG11201404783SA (en) | 2014-10-30 |
| TWI617344B (zh) | 2018-03-11 |
| WO2013119883A1 (en) | 2013-08-15 |
| US20150056113A1 (en) | 2015-02-26 |
| JP2017119277A (ja) | 2017-07-06 |
| TW201714660A (zh) | 2017-05-01 |
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