KR100775732B1 - 반도체 장치와 그 제조 방법 - Google Patents
반도체 장치와 그 제조 방법 Download PDFInfo
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- KR100775732B1 KR100775732B1 KR1020020036800A KR20020036800A KR100775732B1 KR 100775732 B1 KR100775732 B1 KR 100775732B1 KR 1020020036800 A KR1020020036800 A KR 1020020036800A KR 20020036800 A KR20020036800 A KR 20020036800A KR 100775732 B1 KR100775732 B1 KR 100775732B1
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Abstract
Description
Claims (10)
- 반도체 장치에 있어서,주표면을 갖는 실리콘 기판;상기 실리콘 기판의 주표면에 형성된 분리 영역에 의해 구획된 제1 및 제2 활성 영역;상기 제1 활성 영역 위에 형성된, 게이트 절연막을 구비한 제1 절연 게이트, 상기 제1 절연 게이트의 양측의 상기 제1 활성 영역에 형성된 제1 엑스텐션(extension) 영역, 및 상기 제1 엑스텐션 영역보다 깊은 위치에서 상기 제1 절연 게이트의 양측의 상기 제1 활성 영역에 형성된 제1 포켓 영역 - 상기 제1 포켓 영역에는 제1 농도의 인듐이 도핑되어 있음 - 을 갖는 제1 n채널 MOS 트랜지스터; 및상기 제2 활성 영역 위에 형성된, 게이트 절연막을 구비한 제2 절연 게이트, 상기 제2 절연 게이트의 양측의 상기 제2 활성 영역에 형성된 제2 엑스텐션 영역, 및 상기 제2 엑스텐션 영역보다 깊은 위치에서 상기 제2 절연 게이트의 양측의 상기 제2 활성 영역에 형성된 제2 포켓 영역 - 상기 제2 포켓 영역에는 상기 제1 농도보다 낮은 제2 농도의 인듐이 도핑되어 있음 - 을 갖는 제2 n채널 MOS 트랜지스터를 포함하는 반도체 장치.
- 제1항에 있어서,상기 제2 포켓 영역에는 붕소가 더 도핑되어 있는 반도체 장치.
- 제1항에 있어서,상기 제2 n채널 MOS 트랜지스터는, 상기 제1 n채널 MOS 트랜지스터보다 좁은 게이트 폭을 갖는 반도체 장치.
- 제1항에 있어서,상기 분리 영역에 의해 구획된 제3 활성 영역; 및상기 제3 활성 영역 위에 형성된 게이트 절연막을 갖는 제3 절연 게이트, 상기 제3 절연 게이트의 양측의 상기 제3 활성 영역에 형성된 p형 엑스텐션 영역, 및 상기 p형 엑스텐션 영역보다 깊은 위치에서 상기 제3 절연 게이트의 양측의 상기 제3 활성 영역에 형성된 n형 포켓 영역을 더 포함하는 반도체 장치.
- 반도체 장치에 있어서,주표면을 갖는 실리콘 기판;상기 실리콘 기판의 주표면에 형성된 분리 영역에 의해 구획된 제1 및 제2 활성 영역;상기 제1 활성 영역 위에 형성된, 게이트 절연막을 구비한 제1 절연 게이트, 상기 제1 절연 게이트의 양 측벽에 형성된 제1 측벽 스페이서, 상기 제1 절연 게이트의 양측의 상기 제1 활성 영역에 형성된 제1 엑스텐션 영역, 및 상기 제1 엑스텐션 영역보다 깊은 위치에서 상기 제1 절연 게이트의 양측 상의 상기 제1 활성 영역 내에 형성된 제1 포켓 영역 - 상기 제1 포켓 영역에는 제1 농도의 인듐이 도핑되어 있음 - 을 포함하며, 상기 제1 측벽 스페이서 아래쪽으로 비정질상(amorphous phase)의 영역을 포함하는 제1 n채널 MOS 트랜지스터; 및상기 제2 활성 영역 위에 형성된, 게이트 절연막을 구비한 제2 절연 게이트, 상기 제2 절연 게이트의 양 측벽에 형성된 제2 측벽 스페이서, 상기 제2 절연 게이트의 양측의 상기 제2 활성 영역에 형성된 제2 엑스텐션 영역, 및 상기 제2 엑스텐션 영역보다 깊은 위치에서 상기 제2 절연 게이트의 양측 상의 상기 제2 활성 영역 내에 형성된 제2 포켓 영역 - 상기 제2 포켓 영역에는 상기 제1 농도보다 낮은 제2 농도의 인듐이 도핑되어 있음 - 을 포함하며, 상기 제2 측벽 스페이서 아래쪽은 상기 제1 측벽 스페이서 아래쪽보다 적은 비정질상의 영역을 포함하는 제2 n채널 MOS 트랜지스터를 포함하는 반도체 장치.
- 반도체 장치의 제조 방법에 있어서,(a) 주표면을 갖는 실리콘 기판에 소자 분리 영역을 형성하여, 제1 및 제2 활성 영역을 구획하는 공정;(b) 상기 제1 및 제2 활성 영역에 게이트 절연막을 형성하는 공정;(c) 상기 게이트 절연막 위에 도전성 게이트 전극층을 형성하는 공정;(d) 상기 게이트 전극층 및 상기 게이트 절연막을 패터닝하여, 상기 제1 활성 영역 위에 제1 절연 게이트, 상기 제2 활성 영역 위에 제2 절연 게이트를 형성하는 공정;(e) 상기 제1 및 제2 활성 영역에 n형 불순물을 제1 깊이로 이온 주입하여, 상기 제1 및 제2 절연 게이트의 양측에 제1 및 제2 엑스텐션 영역을 형성하는 공정;(f) 상기 제2 활성 영역을 마스크하고, 상기 제1 활성 영역에 인듐을 상기 제1 도즈량으로 상기 제1 깊이보다 깊은 제2 깊이로 이온 주입하는 공정; 및(g) 상기 제1 활성 영역을 마스크하고, 상기 제2 활성 영역에 인듐을 상기 제1 도즈량보다 낮은 제2 도즈량으로 상기 제1 깊이보다 깊은 제3 깊이로 이온 주입하는 공정을 포함하는 반도체 장치의 제조 방법.
- 제6항에 있어서,(h) 상기 제1 활성 영역을 마스크하고, 상기 제2 활성 영역에 붕소를 상기 제1 깊이보다 깊은 제4 깊이로 이온 주입하는 공정을 더 포함하는 반도체 장치의 제조 방법.
- 제7항에 있어서,(i) 상기 제1 및 제2 절연 게이트의 각각의 측벽에 측벽 스페이서를 형성하는 공정;(j) 상기 측벽 스페이서 외측의 상기 제1 및 제2 활성 영역에 n형 불순물을 이온 주입하는 공정; 및(k) 상기 제1 및 제2 활성 영역에 광을 조사하여, 불순물 이온들을 활성화하는 공정을 포함하는 반도체 장치의 제조 방법.
- 제6항에 있어서,상기 공정 (a)는 제3 활성 영역을 더 구획하며,상기 공정 (b)에서, 상기 제3 활성 영역 위에 상기 게이트 절연막보다 두꺼운 후막 게이트 절연막을 더 형성하고,상기 공정 (c)와 (d)는 상기 제3 활성 영역 위에 제3 절연 게이트를 형성하고, 상기 공정 (f)와 (g)는 상기 제3 활성 영역을 마스크함으로써 행해지는 반도체 장치의 제조 방법.
- 제6항에 있어서,상기 공정 (a)는 제4 활성 영역을 더 구획하며,상기 공정 (d)에서, 상기 제4 활성 영역 위에 제4 절연 게이트를 형성하고,(n) 상기 공정 (d)의 후에, 상기 제4 활성 영역에 p형 불순물을 제5 깊이로 이온 주입하여, 상기 제4 절연 게이트 양측에 제4 엑스텐션 영역을 형성하는 공정과,(o) 상기 공정 (d)의 후에, 상기 제4 활성 영역에 n형 불순물을 제5 깊이보다 깊은 제6 깊이로 이온 주입하는 공정을 더 포함하는 반도체 장치의 제조 방법.
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CN1393935A (zh) | 2003-01-29 |
US6483155B1 (en) | 2002-11-19 |
CN1282253C (zh) | 2006-10-25 |
JP4665141B2 (ja) | 2011-04-06 |
KR20030003074A (ko) | 2003-01-09 |
US20030030112A1 (en) | 2003-02-13 |
TW536760B (en) | 2003-06-11 |
JP2003017578A (ja) | 2003-01-17 |
US6642589B2 (en) | 2003-11-04 |
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