KR20200084355A - 반도체 웨이퍼의 전면에 에피택셜 층을 증착하는 방법 및 이 방법을 수행하기 위한 장치 - Google Patents
반도체 웨이퍼의 전면에 에피택셜 층을 증착하는 방법 및 이 방법을 수행하기 위한 장치 Download PDFInfo
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Abstract
Description
도 2는 <100>-배향을 가지는 반도체 웨이퍼를 평면도로 예시하고, 도 3은 <110>-배향을 가지는 반도체 웨이퍼의 도면이다.
도 4는 본 발명에 따른 장치를 단면도로 예시한다.
도 5, 도 6 및 도 7은 각각 본 발명에 따른 장치의 특징부인 링을 평면도로 예시한다.
도 8 및 도 9는 각각 둘레 방향 위치(CP)의 함수로서 반도체 웨이퍼의 엣지로부터 1mm 거리의 에피택셜 코팅된 반도체 웨이퍼의 두께와 코팅된 반도체 웨이퍼의 평균 두께 사이의 차이(Diff)를 예시하며, 여기서 에피택셜 층은 기존 방식(도 8) 또는 본 발명에 따른 방식(도 9)으로 증착된 것이다.
2 서셉터 링
3 서셉터 베이스
4 렛지
5 반도체 웨이퍼
6 배향 노치
7 서셉터 유지 샤프트
8 서셉터 유지 아암
9 링
10 서셉터 지지핀
11 구멍
12 웨이퍼 리프팅 샤프트
13 웨이퍼 리프팅 핀
14 돌출부
15 웹
16 링 세그먼트
17 돌출부의 내부 엣지
Claims (7)
- 단결정 재료로 구성된 반도체 웨이퍼의 전면(front side) 상에 에피택셜 층을 증착하는 방법으로서,
반도체 웨이퍼를 제공하는 단계;
상기 반도체 웨이퍼를 서셉터 상에 배치하는 단계;
상기 반도체 웨이퍼의 전면 및 후면으로 유도되는 열복사에 의해 상기 반도체 웨이퍼를 증착 온도로 가열하는 단계;
상기 반도체 웨이퍼의 전면에 걸쳐 증착 가스를 안내하는 단계;
상기 반도체 웨이퍼의 엣지에 있는 제1 부분 영역으로서, 상기 단결정 재료의 배향으로 인해, 상기 반도체 웨이퍼의 온도가 균일한 경우, 인접한 제2 부분 영역에서보다 상기 에피택셜 층의 성장 속도가 더 빠른 것인 제1 부분 영역이 더 약하게 가열되도록, 상기 반도체 웨이퍼의 후면으로 유도되는 열복사의 일부의 강도를 선택적으로 감소시키는 단계
를 포함하는 것을 특징으로 하는 방법. - 제1항에 있어서, 스펙트럼의 IR 범위에서 낮은 투과율을 가지는 재료를 상기 열복사의 빔 경로에 배치하는 것에 의해 상기 열복사의 일부의 강도를 선택적으로 감소시키는 것을 특징으로 하는 방법.
- 단결정 재료로 구성된 반도체 웨이퍼의 전면 상에 에피택셜 층을 증착하는 장치로서,
서셉터;
서셉터 유지 샤프트 및 서셉터 유지 아암을 가지는 서셉터를 유지 및 회전시키는 기구;
상기 서셉터 상에 배치된 반도체 웨이퍼의 엣지에 있는 제1 부분 영역으로서, 상기 단결정 재료의 배향으로 인해, 상기 반도체 웨이퍼의 온도가 균일한 경우, 인접한 제2 부분 영역에서보다 상기 에피택셜 층의 성장 속도가 더 빠른 것인 제1 부분 영역이 더 약하게 가열되도록, 통과되는 열복사의 강도를 선택적으로 감소시키는 내향 돌출부를 구비하고 상기 서셉터 유지 아암에 의해 유지된 링
을 포함하는 것을 특징으로 하는 장치. - 제3항에 있어서, 상기 링은 석영 유리로 구성된 것을 특징으로 하는 장치.
- 제3항 또는 제4항에 있어서, 상기 내향 돌출부는 각각 웹(web) 및 링 세그먼트를 포함하고, 상기 링 세그먼트는 스펙트럼의 IR 범위에서 낮은 투과율을 가지는 재료로 구성되고, 개구 각도(α)로 표현되는 15°이상 25°이하의 둘레 방향 폭을 가지는 것을 특징으로 하는 장치.
- 제3항 내지 제5항 중 어느 항에 있어서,
인접한 돌출부까지의 거리가 90°인 4개의 돌출부
를 포함하는 것을 특징으로 하는 장치. - 제3항 내지 제5항 중 어느 항에 있어서,
인접한 돌출부까지의 거리가 180°인 2개의 돌출부
를 포함하는 것을 특징으로 하는 장치.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017222279.4A DE102017222279A1 (de) | 2017-12-08 | 2017-12-08 | Verfahren zum Abscheiden einer epitaktischen Schicht auf einer Vorderseite einer Halbleiterscheibe und Vorrichtung zur Durchführung des Verfahrens |
| DE102017222279.4 | 2017-12-08 | ||
| PCT/EP2018/082820 WO2019110386A1 (de) | 2017-12-08 | 2018-11-28 | Verfahren zum abscheiden einer epitaktischen schicht auf einer vorderseite einer halbleiterscheibe und vorrichtung zur durchführung des verfahrens |
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| Publication Number | Publication Date |
|---|---|
| KR20200084355A true KR20200084355A (ko) | 2020-07-10 |
| KR102370949B1 KR102370949B1 (ko) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020207017835A Active KR102370949B1 (ko) | 2017-12-08 | 2018-11-28 | 반도체 웨이퍼의 전면에 에피택셜 층을 증착하는 방법 및 이 방법을 수행하기 위한 장치 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US11538683B2 (ko) |
| EP (1) | EP3721469B1 (ko) |
| JP (1) | JP7026795B2 (ko) |
| KR (1) | KR102370949B1 (ko) |
| CN (1) | CN111433891B (ko) |
| DE (1) | DE102017222279A1 (ko) |
| IL (1) | IL275116B2 (ko) |
| SG (1) | SG11202005075RA (ko) |
| TW (1) | TWI704253B (ko) |
| WO (1) | WO2019110386A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102019207772A1 (de) * | 2019-05-28 | 2020-12-03 | Siltronic Ag | Verfahren zum Abscheiden einer epitaktischen Schicht auf einer Vorderseite einer Halbleiterscheibe und Vorrichtung zur Durchführung des Verfahrens |
| EP3835281A1 (de) | 2019-12-13 | 2021-06-16 | Siltronic AG | Verfahren zur herstellung eines plattenförmigen formkörpers mit einer siliziumkarbid-matrix |
| CN110981172A (zh) * | 2019-12-21 | 2020-04-10 | 张忠恕 | 一种外延工艺石英焊件组件及其加工工艺 |
| CN112501688B (zh) * | 2020-10-30 | 2022-03-15 | 松山湖材料实验室 | 用于生长大尺寸外延片的石墨盘及其使用方法 |
| EP3996130B1 (de) * | 2020-11-09 | 2023-03-08 | Siltronic AG | Verfahren zum abscheiden einer epitaktischen schicht auf einer substratscheibe |
| CN115161623A (zh) | 2021-03-18 | 2022-10-11 | Asm Ip私人控股有限公司 | 用于膜沉积期间衬底温度控制的双高温计系统 |
| KR20220130621A (ko) | 2021-03-18 | 2022-09-27 | 에이에스엠 아이피 홀딩 비.브이. | 램프 뱅크 정렬을 갖는 웨이퍼 외곽 에지 온도 측정 시스템 |
| CN115233191A (zh) * | 2022-08-03 | 2022-10-25 | 拓荆科技股份有限公司 | 一种反应腔及镀膜设备 |
| JP1746404S (ja) * | 2023-01-11 | 2023-06-15 | サセプタカバーベース |
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2018
- 2018-11-26 TW TW107142039A patent/TWI704253B/zh active
- 2018-11-28 IL IL275116A patent/IL275116B2/en unknown
- 2018-11-28 WO PCT/EP2018/082820 patent/WO2019110386A1/de not_active Ceased
- 2018-11-28 EP EP18811247.8A patent/EP3721469B1/de active Active
- 2018-11-28 SG SG11202005075RA patent/SG11202005075RA/en unknown
- 2018-11-28 JP JP2020530995A patent/JP7026795B2/ja active Active
- 2018-11-28 CN CN201880079351.2A patent/CN111433891B/zh active Active
- 2018-11-28 KR KR1020207017835A patent/KR102370949B1/ko active Active
- 2018-11-28 US US16/765,479 patent/US11538683B2/en active Active
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| US20070227441A1 (en) * | 2006-03-30 | 2007-10-04 | Kazuhiro Narahara | Method of manufacturing epitaxial silicon wafer and apparatus thereof |
| WO2011075563A2 (en) * | 2009-12-18 | 2011-06-23 | Applied Materials, Inc. | Substrate processing apparatus having a radiant cavity |
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Also Published As
| Publication number | Publication date |
|---|---|
| US11538683B2 (en) | 2022-12-27 |
| IL275116B (en) | 2022-12-01 |
| US20200294794A1 (en) | 2020-09-17 |
| EP3721469A1 (de) | 2020-10-14 |
| EP3721469B1 (de) | 2026-03-18 |
| CN111433891A (zh) | 2020-07-17 |
| KR102370949B1 (ko) | 2022-03-08 |
| TW201936982A (zh) | 2019-09-16 |
| SG11202005075RA (en) | 2020-06-29 |
| IL275116A (en) | 2020-09-30 |
| JP7026795B2 (ja) | 2022-02-28 |
| IL275116B2 (en) | 2023-04-01 |
| DE102017222279A1 (de) | 2019-06-13 |
| CN111433891B (zh) | 2023-06-02 |
| WO2019110386A1 (de) | 2019-06-13 |
| TWI704253B (zh) | 2020-09-11 |
| JP2021506125A (ja) | 2021-02-18 |
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