KR101603056B1 - 강화된 이온화 및 무선 주파수 전력 커플링을 갖는 낮은 비저항의 텅스텐 물리 기상 증착 - Google Patents
강화된 이온화 및 무선 주파수 전력 커플링을 갖는 낮은 비저항의 텅스텐 물리 기상 증착 Download PDFInfo
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Abstract
Description
도 1a는 DRAM 메모리 내의 다이나믹 메모리 셀의 회로도를 도시한다.
도 1b는 본 발명의 일 실시예에 따른 게이트 전극 스택을 도시한다.
도 2는 본 발명의 일 실시예에 따른 게이트 전극 스택을 형성하는 방법의 프로세스 다이어그램을 도시한다.
도 3은 본 발명의 일 실시예에 따른 게이트 전극 스택을 형성하기 위한 복수의 챔버들을 갖는 플랫폼 시스템을 도시한다.
도 4a는 본 발명의 일 실시예에 따른 챔버의 단면도를 도시한다.
도 4b는 본 발명의 일 실시예에 따른 챔버의 등축도를 도시한다.
도 5는 본 발명의 일 실시예에 따른 프로세스 키트의 일부의 단면도를 도시한다.
도 6은 본 발명의 일 실시예에 따른 임피던스 제어기의 개략도를 도시한다.
도 7은 본 발명의 일 실시예에 따른 마그네트론의 일부의 평면도를 도시한다.
이해를 촉진시키기 위해, 도면들에 대해 공통적인 동일한 엘리먼트들을 가리키기 위해 가능한 경우 동일한 도면부호들이 사용되었다. 일 실시예에 개시된 엘리먼트들은 특정한 열거 없이 다른 실시예들에 유익하게 통합될 수 있음이 예상된다.
Claims (15)
- 플라즈마 프로세싱 챔버로서,
프로세싱 영역과 접촉하는 제 1 표면 및 상기 제 1 표면에 대향하는 제 2 표면을 갖는 타겟;
상기 타겟에 커플링되는 RF 또는 DC 전력 공급부;
상기 프로세싱 영역의 일부를 적어도 부분적으로 둘러싸며 접지에 전기적으로 커플링되고 히터에 열적으로 커플링되는, 접지형 차폐부(grounded shield);
상기 타겟 아래에 배치되는 기판 수용(receiving) 표면을 갖는 기판 지지부 ― 상기 기판 지지부는 상기 기판 수용 표면 아래에 배치되는 전극을 더 포함함 ―;
커버 링(cover ring);
상기 기판 지지부의 일부 위에 배치된 증착 링;
상기 기판 지지부 아래에 배치되는 페디스털 접지 조립체(pedestal grounding assembly) ― 상기 페디스털 접지 조립체는 상기 접지형 차폐부의 링 지지 부분과 기판 지지 조립체 사이에 연장되는 U-형상 부분을 갖는 플레이트를 포함함 ―; 및
상기 타겟의 상기 제 2 표면에 인접하게 배치되는 마그네트론(magnetron)을 포함하고;
상기 마그네트론은,
복수의 자석들을 포함하는 외측 폴; 및
복수의 자석들을 포함하는 내측 폴을 포함하고,
상기 외측 폴 및 상기 내측 폴은 폐쇄-루프 마그네트론 조립체를 형성하고, 상기 외측 폴과 상기 내측 폴 각각은 자기장을 생성하며, 그리고 상기 외측 폴과 상기 내측 폴에 의해 생성되는 자기장들의 비율은 1.56 내지 0.57인,
플라즈마 프로세싱 챔버. - 제 1 항에 있어서,
상기 내측 폴 내에 배치된 상기 복수의 자석들에 의해 생성되는 자기장은 상기 외측 폴 내에 배치된 상기 복수의 자석들에 의해 생성되는 자기장 보다 더 큰,
플라즈마 프로세싱 챔버. - 제 1 항에 있어서,
상기 전극은 상기 기판 지지부에 RF 전력 공급형(powered) 바이어스를 제공하는,
플라즈마 프로세싱 챔버. - 제 1 항에 있어서,
상기 접지형 차폐부는 단일 피스(single piece)인,
플라즈마 프로세싱 챔버. - 제 4 항에 있어서,
상기 접지형 차폐부는 상기 링 지지 부분을 관통하는(through) 복수의 개구들을 갖는,
플라즈마 프로세싱 챔버. - 제 1 항에 있어서,
상기 외측 폴과 상기 내측 폴에 의해 생성되는 자기장의 비율은 1.15 내지 0.93인,
플라즈마 프로세싱 챔버. - 제 6 항에 있어서,
상기 폐쇄 루프 마그네트론은 상기 타겟의 센터의 중심에 있는,
플라즈마 프로세싱 챔버. - 제 7 항에 있어서,
상기 폐쇄 루프 마그네트론은 방사상으로 대칭인,
플라즈마 프로세싱 챔버. - 제 8 항에 있어서,
상기 외측 폴 및 상기 내측 폴의 자석들은 제 1 축에 대해 대칭적으로 분포되고, 제 2 축에 대해 비대칭적으로 분포되는,
플라즈마 프로세싱 챔버. - 제 8 항에 있어서,
상기 외측 폴은 34개의 자석들을 포함하고 그리고 상기 내측 폴은 60개의 자석들을 포함하는,
플라즈마 프로세싱 챔버. - 제 1 항에 있어서,
상기 타겟 및 상기 접지형 차폐부는 절연체에 의해 전기적으로 절연되는,
플라즈마 프로세싱 챔버. - 제 1 항에 있어서,
상기 타겟은 상기 제 2 표면 상에서 덮개 외장(lid enclosure)에 커플링되고, 상기 제 1 표면 상에서 절연체에 커플링되는,
플라즈마 프로세싱 챔버. - 제 12 항에 있어서,
상기 덮개 외장은 액체로 채워져 있는,
플라즈마 프로세싱 챔버.
- 삭제
- 삭제
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35355410P | 2010-06-10 | 2010-06-10 | |
| US61/353,554 | 2010-06-10 | ||
| PCT/US2011/039867 WO2011156650A2 (en) | 2010-06-10 | 2011-06-09 | Low resistivity tungsten pvd with enhanced ionization and rf power coupling |
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| KR1020167006059A Division KR101714607B1 (ko) | 2010-06-10 | 2011-06-09 | 강화된 이온화 및 무선 주파수 전력 커플링을 갖는 낮은 비저항의 텅스텐 물리 기상 증착 |
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| Publication Number | Publication Date |
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| KR20130111518A KR20130111518A (ko) | 2013-10-10 |
| KR101603056B1 true KR101603056B1 (ko) | 2016-03-14 |
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| KR1020137000595A Active KR101603056B1 (ko) | 2010-06-10 | 2011-06-09 | 강화된 이온화 및 무선 주파수 전력 커플링을 갖는 낮은 비저항의 텅스텐 물리 기상 증착 |
| KR1020167006059A Active KR101714607B1 (ko) | 2010-06-10 | 2011-06-09 | 강화된 이온화 및 무선 주파수 전력 커플링을 갖는 낮은 비저항의 텅스텐 물리 기상 증착 |
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| KR1020167006059A Active KR101714607B1 (ko) | 2010-06-10 | 2011-06-09 | 강화된 이온화 및 무선 주파수 전력 커플링을 갖는 낮은 비저항의 텅스텐 물리 기상 증착 |
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| Country | Link |
|---|---|
| US (2) | US8558299B2 (ko) |
| KR (2) | KR101603056B1 (ko) |
| CN (2) | CN105256276B (ko) |
| TW (2) | TWI517390B (ko) |
| WO (1) | WO2011156650A2 (ko) |
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- 2011-06-09 KR KR1020137000595A patent/KR101603056B1/ko active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102939657A (zh) | 2013-02-20 |
| WO2011156650A2 (en) | 2011-12-15 |
| TWI572043B (zh) | 2017-02-21 |
| US8895450B2 (en) | 2014-11-25 |
| TW201628197A (zh) | 2016-08-01 |
| KR20130111518A (ko) | 2013-10-10 |
| CN102939657B (zh) | 2016-08-10 |
| US20140042016A1 (en) | 2014-02-13 |
| KR20160031056A (ko) | 2016-03-21 |
| TWI517390B (zh) | 2016-01-11 |
| US20110303960A1 (en) | 2011-12-15 |
| TW201216469A (en) | 2012-04-16 |
| CN105256276B (zh) | 2018-10-26 |
| WO2011156650A3 (en) | 2012-04-19 |
| CN105256276A (zh) | 2016-01-20 |
| US8558299B2 (en) | 2013-10-15 |
| KR101714607B1 (ko) | 2017-03-09 |
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