KR930003857B1 - 플라즈마 도우핑방법 - Google Patents
플라즈마 도우핑방법 Download PDFInfo
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- KR930003857B1 KR930003857B1 KR1019880009791A KR880009791A KR930003857B1 KR 930003857 B1 KR930003857 B1 KR 930003857B1 KR 1019880009791 A KR1019880009791 A KR 1019880009791A KR 880009791 A KR880009791 A KR 880009791A KR 930003857 B1 KR930003857 B1 KR 930003857B1
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Claims (14)
- 진공실(8)내에 있는 제1전극(11) 위에 피반도체기판(13)을 얹어놓는 공정과, 하나이상의 불순물을 함유한 가스를 제어하여 감소된 압력상태로 진공실(8)에 인입시키는 공정과, 상기 진공실내에서 상시 제1전극(11)과 제2전극(10)간에 고전압의 고주파전류를 간헐적으로 인가하여 고주파방전으로 플라즈마도우핑을 행하는 공정과, 상기 반도체기판(13)의 표면에 도우핑되는 불순물의 양을 제어하기 위하여 간헐적인 듀우티비율을 제어하는 공정으로 이루어지므로써, 상기 반도체기판(13)상에 불순물을 플라즈마도우핑 하는 것을 특징으로 하는 플라즈마 도우핑방법.
- 진공실(8)내에 있는 제1전극(11)위에 피반도체기판(13)을 얹어놓는 공정과, 하나이상의 불순물을 함유한 가스를 제어하여 감소된 압력상태로 진공실(8)에 인입시키는 공정과, 상기 진공실내에서 상기 제1전극(11)과 제2전극(10)간에 고전압의 고주파전류를 0.1Hz~50Hz의 간헐적인 주파수로 인가하여 상기 진공실에서 고주파방전으로 플라즈마도우핑을 행하는 공정으로 이루어지므로써, 상기 반도체기판(13)상에 불순물을 플라즈마 도우핑하는 것을 특징으로 하는 플라즈마 도우핑방법.
- 제1항에 있어서, 상기 피반도체기판(13)은 단결정실리콘, 다결정실리콘 또는 비결정실리콘으로 되어 있는 것을 특징으로 하는 플라즈마 도우핑방법.
- 제1항에 있어서, 상기 불순물은 붕소, 인 또는 비소인 것을 특징으로 하는 플라즈마 도우핑 방법.
- 진공실(17)내에 있는 제1전극(19)위에 피반도체기판(20)을 얹어놓는 공정과, 하나이상의 불순물을 함유한 가스를 제어하여 감소된 압력상태로 진공실에 인입시키는 공정과, 상기 고주파전류를 측정하는 수단(23)을 통하여 상기 진공실에 제1전극(19)과 제2전극(18)간에 고전압의 고주파전류를 인가하여 고주파방전으로 플라즈마를 발생하는 공정과, 상기 반도체기판(20)의 표면에 도우핑된 불순물의 양을 제어하기 위하여 상기 수단(23)의 측정값을 근거로 상기 고주파전류를 제어하는 공정으로 이루어지므로써, 상기 반도체기판(20)상에 불순물을 플라즈마 도우핑하는 것을 특징으로 하는 플라즈마 도우핑방법.
- 제5항에 있어서, 상기 피반도체기판(20)은 단결정실리콘, 다결정실리콘 또는 비결정실리콘으로 되어 있는 것을 특징으로 하는 플라즈마 도우핑방법.
- 제5항에 있어서, 상기 불순물은 붕소, 인 도는 비소인 것을 특징으로 하는 플라즈마 도우핑 방법.
- 진공실(27)내에 있는 제1전극(29)위에 피반도체기판(30)을 얹어놓는 공정과, 하나이상의 불순물을 함유하는 가스를 1×10-3Torr~5×10-2Torr의 압력상태로 상기 진공실로 인입시키는 공정과, 상기 진공실에서 제1전극(29)과 제2전극(28)에 고압의 고주파전류를 간헐적으로 인가하는 공정과, 상기 반도체기판(30)의 표면상에 도우핑된 불순물의 양을 제어하기 위하여 상기 고전압의 고주파전류를 인가하는 주기를 제어하는 공정으로 이루어지므로써, 반도체기판(30)상에 불순물을 플라즈마 도우핑하는 것을 특징으로 하는 플라즈마 도우핑방법.
- 제8항에 있어서, 상기 반도체기판(30)의 표면은, 단결정실리콘으로 되어 있고, 캐패시터의 전극 또는 절연분리영역으로서의 홈(트랜치)을 가지고 있는 것을 특징으로 하는 플라즈마 도우핑방법.
- 진공실(36)내에 있는 제1전극(37)위에 피반도체기판(38)을 얹어놓는 공정과, 하나이상의 불순물을 함유하는 가스를 1×10-4Torr~5×10-2Torr의 압력상태로 상기 진공실로 인입시키는 공정과, 상기 진공실내에서 상기 제1전극(37)과 제2전극(36)간에 고전압의 고주파전류를 간헐적으로 인가하고 마이크로웨이브도 상기 진공실내로 간헐적으로 인가하여 고주파방전과 전자사이클로트론공명방전으로 플라즈마 도우핑을 행하는 공정과, 상기 반도체기판(38)의 표면을 도우핑한 불순물의 양을 제어하기 위하여 상기 고주파전류의 인가주기를 제어하는 공정으로 이루어지므로써, 반도체기판상에 불순물을 플라즈마 도우핑하는 것을 특징으로 하는 플라즈마 도우핑방법.
- 제10항에 있어서, 상기 피반도체기판(38)은 단결정실리콘, 다결정실리콘 또는 비결정실리콘으로 되어 있는 것을 특징으로 하는 플라즈마 도우핑방법.
- 제10항에 있어서, 상기 불순물은, 붕소, 인 또는 비소인 것을 특징으로 하는 플라즈마 도우핑 방법.
- 제10항에 있어서, 피반도체기판(30)의 표면은, 단결정실리콘으로 되어 있고, 커패시터의 전극 또는 절연분리영역으로서의 홈(트랜치)을 가지고 있는 것을 특징으로 하는 플라즈마 도우핑방법.
- 진공실(27)내에 제1전극(29)위에 피반도체기판(30)을 얹어놓는 공정과, 하나이상의 불순물을 함유한 가스를 제어하여 감소된 입력상태로 진공실에 인입하는 공정과, 상기 진공실에서 제1전극(29)과 제2전극(28)간에 고압의 고주파전류를 간헐적으로 인가하여 고주파방전을 발생시키고, 상기 반도체기판에서 농도를 조정한 깊이로 플라즈마 도우핑하도록 상기 간헐적인 주파수를 변경시키는 공정으로 이루어지므로써, 반도체기판상에 불순물을 플라즈마 도우핑 하는 것을 특징으로 하는 플라즈마 도우핑 방법.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19591187 | 1987-08-05 | ||
| JP87-195911 | 1987-08-05 | ||
| JP62-195911 | 1987-08-05 | ||
| JP87-299241 | 1987-11-27 | ||
| JP62299241A JP2525018B2 (ja) | 1987-11-27 | 1987-11-27 | プラズマド―ピング方法 |
| JP62-299241 | 1987-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890004390A KR890004390A (ko) | 1989-04-21 |
| KR930003857B1 true KR930003857B1 (ko) | 1993-05-14 |
Family
ID=26509415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880009791A Expired - Lifetime KR930003857B1 (ko) | 1987-08-05 | 1988-08-01 | 플라즈마 도우핑방법 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4937205A (ko) |
| KR (1) | KR930003857B1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3118785A1 (de) * | 1981-05-12 | 1982-12-02 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und vorrichtung zum dotieren von halbleitermaterial |
| US4465529A (en) * | 1981-06-05 | 1984-08-14 | Mitsubishi Denki Kabushiki Kaisha | Method of producing semiconductor device |
| US4385946A (en) * | 1981-06-19 | 1983-05-31 | Bell Telephone Laboratories, Incorporated | Rapid alteration of ion implant dopant species to create regions of opposite conductivity |
| US4382099A (en) * | 1981-10-26 | 1983-05-03 | Motorola, Inc. | Dopant predeposition from high pressure plasma source |
| JPH0635323B2 (ja) * | 1982-06-25 | 1994-05-11 | 株式会社日立製作所 | 表面処理方法 |
| JPS5986214A (ja) * | 1982-11-09 | 1984-05-18 | Nippon Denso Co Ltd | アモルフアス半導体の製造方法 |
| US4500563A (en) * | 1982-12-15 | 1985-02-19 | Pacific Western Systems, Inc. | Independently variably controlled pulsed R.F. plasma chemical vapor processing |
| JPS59218728A (ja) * | 1983-05-26 | 1984-12-10 | Fuji Electric Corp Res & Dev Ltd | 半導体基体への不純物導入方法 |
| US4521441A (en) * | 1983-12-19 | 1985-06-04 | Motorola, Inc. | Plasma enhanced diffusion process |
| JPS60153119A (ja) * | 1984-01-20 | 1985-08-12 | Fuji Electric Corp Res & Dev Ltd | 不純物拡散方法 |
| US4539217A (en) * | 1984-06-27 | 1985-09-03 | Eaton Corporation | Dose control method |
| US4698104A (en) * | 1984-12-06 | 1987-10-06 | Xerox Corporation | Controlled isotropic doping of semiconductor materials |
| JPS62120041A (ja) * | 1985-11-20 | 1987-06-01 | Fujitsu Ltd | 半導体装置の製造方法 |
| US4764394A (en) * | 1987-01-20 | 1988-08-16 | Wisconsin Alumni Research Foundation | Method and apparatus for plasma source ion implantation |
-
1988
- 1988-08-01 KR KR1019880009791A patent/KR930003857B1/ko not_active Expired - Lifetime
- 1988-08-04 US US07/228,216 patent/US4937205A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4937205A (en) | 1990-06-26 |
| KR890004390A (ko) | 1989-04-21 |
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