KR900000067B1 - 반도체 장치의 유전체 매입형 소자 분리홈의 형성방법 - Google Patents
반도체 장치의 유전체 매입형 소자 분리홈의 형성방법 Download PDFInfo
- Publication number
- KR900000067B1 KR900000067B1 KR1019860008328A KR860008328A KR900000067B1 KR 900000067 B1 KR900000067 B1 KR 900000067B1 KR 1019860008328 A KR1019860008328 A KR 1019860008328A KR 860008328 A KR860008328 A KR 860008328A KR 900000067 B1 KR900000067 B1 KR 900000067B1
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- South Korea
- Prior art keywords
- groove
- substrate
- silicon
- layer
- forming
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/692—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
- H10P14/6921—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon
- H10P14/69215—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material being a silicon oxide, e.g. SiO2
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/694—Inorganic materials composed of nitrides
- H10P14/6943—Inorganic materials composed of nitrides containing silicon
- H10P14/69433—Inorganic materials composed of nitrides containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/69—Etching of wafers, substrates or parts of devices using masks for semiconductor materials
- H10P50/691—Etching of wafers, substrates or parts of devices using masks for semiconductor materials for Group V materials or Group III-V materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/73—Etching of wafers, substrates or parts of devices using masks for insulating materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/01—Manufacture or treatment
- H10W10/041—Manufacture or treatment of isolation regions comprising polycrystalline semiconductor materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W10/00—Isolation regions in semiconductor bodies between components of integrated devices
- H10W10/40—Isolation regions comprising polycrystalline semiconductor materials
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- Element Separation (AREA)
- Weting (AREA)
Abstract
Description
Claims (9)
- 산화 실리콘이 홈내부에 형성되고 유전체가 그 내부에 채워지며 홈이 실리콘 기판의 외부 표면과 같은 수준으로 되는 분리홈을 갖는 반도체 장치 생산 방법에 있어서, (a) 상기 기판(1)상에 산화 실리콘층(4)을 형성하고 그 위에 첫 번째 질화 실리콘층(5)을 형성하며, (b) 홈 형성부 및 그 주위의 특정영역상의 상기 산하 실리콘층 및 첫 번째 질화 실리콘층을 선택적으로 제거하고, 여기에서 상기 특정영역(11)은 차후의 분리용 홈형성영역을 둘러싸는 상기 기판상의 영역으로써 정의되고 차후의 공정에서 산화 실리콘의 확장을 방지하는 거리만큼의 폭을 가지고 있으며, (c) 상기 기판의 전 표면상에 두 번째 질화 실리콘층(5')을 형성하고, (d) 상기 두 번째 질화 실리콘층에 이방성 에칭을 실시하여 상기 홈 형성영역에 상응하는 기판 표면이 노출되지만 적어도 상기 특정영역(11)상의 상기 두 번째 질화 실리콘층은 잔류하며, (e) 상기 질화 실리콘층(5)을 마스크로 사용하여 분리홈을 형성하기 위해 상기 노출된 기판을 에칭하고, (f) 상기 홈 내에 산화 실리콘층(17)을 형성하고, (g) 상기 홈 내부를 유전체(18)로채우고, (h) 상기 과다한 유전체를 제거하여 상기 기판 표면과 같은 수준으로 하며, 상기 유전체 상에 산화 실리콘층(20)을 형성하는 단계를 포함하는 것을 특징으로 하는 분리홈을 갖는 반도체 장치 생산방법.
- 청구범위 제1항에 있어서, 표면 결정 방위(100)을 갖는 상기 기판(1)이 사용되고 알칼리 용액에서 습식 에칭에 의하여 상기 단계(e)가 실행되며 이것에 의하여 V자형의 홈이 이방성으로 형성되는 방법.
- 청구범위 제1항에 있어서, 반응성 이온 에칭의 이방성 에칭에 의하여 상기 단계 (e)가 실행되고 이것에 의하여 U자형 홈이 형성되는 방법.
- 청구범위 제3항에 있어서, 상기 홈의 실리콘 에피택셜층(3)을 통과하여 그 아래에 있는 실리콘 베이스층(1)에 도달하며 이 두층이 상기 기판을 구성하는 방법.
- 산화 실리콘이 상기 홈내부에 형성되고 그 내부에 유전체가 채워지며 홈이 실리콘 기판의 외부 표면과 같은 수준이 되는 분리홈을 가진 반도체 장치 생산방법에 있어서, (a) 상기 기판상에 산화 실리콘층(4)을 형성하고 (b) 특정영역(11)상의 상기 산화 실리콘층을 선택적으로 제거하고 여기에서 특정영역은 차후의 분리용 홈 형성영역을 둘러싸는 상기 기판상의 영역으로써 정의되는 차후의 공정에서 산화 실리콘의 확장을 방지하는 거리만큼의 폭을 가지며, (c) 단계 (b)에서 노출된 기판 및 상기 실리콘층상에 질화 실리콘층(5)을 형성하고, (d) 상기 질화 실리콘층(5) 및 산화 실리콘층(4)을 선택적으로 에칭함으로써 상기 홈 형성영역에 상응하는 기판 표면이 제거되고 위에 돌출부를 갖는 상기 특정영역상 및 상기 기판의 능동영역상에는 상기 질화 실리콘층이 잔류하며, (e) 질화 실리콘층(17)을 마스크로 사용하여 분리홈을 형성하기 위해 상기 노출된 기판을 에칭하고(f) 상기 홈 내부에 산화 실리콘층을 형성하고, (g) 상기 홈 내부를 유전체(18)로 채우며, (h) 상기 과다한 유전체를 제거하여 상기 기판 표면과 같은 수준으로 하고 상기 유전체 상에 산화 실리콘층(20)을 형성하는 단계를 포함하는 것을 특징으로 하는 분리홈을 갖는 반도체 장치 생산방법.
- 청구범위 제5항에 있어서, 표면 결정 방위(100)을 갖는 상기 기판(1)이 사용되고 알칼리 용액내에서 습식 에칭에 의하여 상기 단계(e)가 실행되어 V자형 홈이 이방성으로 형성되는 방법.
- 청구범위 제5항에 있어서, 표면 결정 방위(100)을 갖는 상기 기판이 사용되고 알칼리 용액내에서 첫 번째 습식 에칭에 의하여, 그리고 반응성 스퍼터 에칭의 두 번째 이방성 에칭에 의하여 상기 홈을 형성하는 단계를 상기 단계 (e)가 포함하며 이것으로 Y자형 분리홈이 형성되는 방법.
- 청구범위 제7항에 있어서, 결합 형태인 Y자형 홈이 실리콘 에피택셜층(3)을 통과하여 그 아래의 실리콘 베이스층(1)에 도달하여 상기 두 층이 상기 기판을 구성하는 방법.
- 청구범위 제1항 또는 5항에 있어서, 상기 특정영역(11)이 3000Å이상의 폭을 가지는 방법.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60222596A JPS6281727A (ja) | 1985-10-05 | 1985-10-05 | 埋込型素子分離溝の形成方法 |
| JP60-222596 | 1985-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870004523A KR870004523A (ko) | 1987-05-11 |
| KR900000067B1 true KR900000067B1 (ko) | 1990-01-19 |
Family
ID=16784948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019860008328A Expired KR900000067B1 (ko) | 1985-10-05 | 1986-10-04 | 반도체 장치의 유전체 매입형 소자 분리홈의 형성방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4866004A (ko) |
| EP (1) | EP0220542B1 (ko) |
| JP (1) | JPS6281727A (ko) |
| KR (1) | KR900000067B1 (ko) |
| DE (1) | DE3685473D1 (ko) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5298450A (en) * | 1987-12-10 | 1994-03-29 | Texas Instruments Incorporated | Process for simultaneously fabricating isolation structures for bipolar and CMOS circuits |
| FR2625044B1 (fr) * | 1987-12-18 | 1990-08-31 | Commissariat Energie Atomique | Transistor mos a extremite d'interface dielectrique de grille/substrat relevee et procede de fabrication de ce transistor |
| US5039625A (en) * | 1990-04-27 | 1991-08-13 | Mcnc | Maximum areal density recessed oxide isolation (MADROX) process |
| KR960006714B1 (ko) * | 1990-05-28 | 1996-05-22 | 가부시끼가이샤 도시바 | 반도체 장치의 제조 방법 |
| GB2245420A (en) * | 1990-06-20 | 1992-01-02 | Philips Electronic Associated | A method of manufacturing a semiconductor device |
| BE1007588A3 (nl) * | 1993-09-23 | 1995-08-16 | Philips Electronics Nv | Werkwijze voor het vervaardigen van een halfgeleiderinrichting met een halfgeleiderlichaam met veldisolatiegebieden gevormd door met isolerend materiaal gevulde groeven. |
| KR100458767B1 (ko) * | 2002-07-04 | 2004-12-03 | 주식회사 하이닉스반도체 | 반도체 소자의 소자 분리막 형성 방법 |
| JP4928947B2 (ja) | 2003-12-19 | 2012-05-09 | サード ディメンジョン (スリーディ) セミコンダクタ インコーポレイテッド | 超接合デバイスの製造方法 |
| KR100631279B1 (ko) * | 2004-12-31 | 2006-10-02 | 동부일렉트로닉스 주식회사 | 고전압용 트랜지스터의 제조 방법 |
| JP2008538659A (ja) * | 2005-04-22 | 2008-10-30 | アイスモス テクノロジー コーポレイション | 酸化物で内面が覆われた溝を有する超接合素子と酸化物で内面を覆われた溝を有する超接合素子を製造するための方法 |
| US7446018B2 (en) * | 2005-08-22 | 2008-11-04 | Icemos Technology Corporation | Bonded-wafer superjunction semiconductor device |
| US7429772B2 (en) * | 2006-04-27 | 2008-09-30 | Icemos Technology Corporation | Technique for stable processing of thin/fragile substrates |
| US7982284B2 (en) * | 2006-06-28 | 2011-07-19 | Infineon Technologies Ag | Semiconductor component including an isolation structure and a contact to the substrate |
| US8580651B2 (en) * | 2007-04-23 | 2013-11-12 | Icemos Technology Ltd. | Methods for manufacturing a trench type semiconductor device having a thermally sensitive refill material |
| US7723172B2 (en) * | 2007-04-23 | 2010-05-25 | Icemos Technology Ltd. | Methods for manufacturing a trench type semiconductor device having a thermally sensitive refill material |
| US20080272429A1 (en) * | 2007-05-04 | 2008-11-06 | Icemos Technology Corporation | Superjunction devices having narrow surface layout of terminal structures and methods of manufacturing the devices |
| US20090085148A1 (en) * | 2007-09-28 | 2009-04-02 | Icemos Technology Corporation | Multi-directional trenching of a plurality of dies in manufacturing superjunction devices |
| US7846821B2 (en) * | 2008-02-13 | 2010-12-07 | Icemos Technology Ltd. | Multi-angle rotation for ion implantation of trenches in superjunction devices |
| US8030133B2 (en) * | 2008-03-28 | 2011-10-04 | Icemos Technology Ltd. | Method of fabricating a bonded wafer substrate for use in MEMS structures |
| US8946814B2 (en) | 2012-04-05 | 2015-02-03 | Icemos Technology Ltd. | Superjunction devices having narrow surface layout of terminal structures, buried contact regions and trench gates |
| US9576842B2 (en) | 2012-12-10 | 2017-02-21 | Icemos Technology, Ltd. | Grass removal in patterned cavity etching |
| CN113078056B (zh) * | 2021-03-30 | 2022-06-24 | 长鑫存储技术有限公司 | 半导体结构的制作方法 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL173110C (nl) * | 1971-03-17 | 1983-12-01 | Philips Nv | Werkwijze ter vervaardiging van een halfgeleiderinrichting, waarbij op een oppervlak van een halfgeleiderlichaam een uit ten minste twee deellagen van verschillend materiaal samengestelde maskeringslaag wordt aangebracht. |
| US4002511A (en) * | 1975-04-16 | 1977-01-11 | Ibm Corporation | Method for forming masks comprising silicon nitride and novel mask structures produced thereby |
| US3961999A (en) * | 1975-06-30 | 1976-06-08 | Ibm Corporation | Method for forming recessed dielectric isolation with a minimized "bird's beak" problem |
| US3966514A (en) * | 1975-06-30 | 1976-06-29 | Ibm Corporation | Method for forming dielectric isolation combining dielectric deposition and thermal oxidation |
| US4104086A (en) * | 1977-08-15 | 1978-08-01 | International Business Machines Corporation | Method for forming isolated regions of silicon utilizing reactive ion etching |
| JPS54115085A (en) * | 1978-02-28 | 1979-09-07 | Cho Lsi Gijutsu Kenkyu Kumiai | Method of fabricating semiconductor |
| US4462846A (en) * | 1979-10-10 | 1984-07-31 | Varshney Ramesh C | Semiconductor structure for recessed isolation oxide |
| US4272308A (en) * | 1979-10-10 | 1981-06-09 | Varshney Ramesh C | Method of forming recessed isolation oxide layers |
| US4271583A (en) * | 1980-03-10 | 1981-06-09 | Bell Telephone Laboratories, Incorporated | Fabrication of semiconductor devices having planar recessed oxide isolation region |
| DE3174468D1 (en) * | 1980-09-17 | 1986-05-28 | Hitachi Ltd | Semiconductor device and method of manufacturing the same |
| JPS5814137A (ja) * | 1981-07-16 | 1983-01-26 | Fujitsu Ltd | 縮小投影露光方法 |
| JPS5882532A (ja) * | 1981-11-11 | 1983-05-18 | Toshiba Corp | 素子分離方法 |
| JPS5884443A (ja) * | 1981-11-13 | 1983-05-20 | Fujitsu Ltd | 半導体集積回路の製造方法 |
| US4563227A (en) * | 1981-12-08 | 1986-01-07 | Matsushita Electric Industrial Co., Ltd. | Method for manufacturing a semiconductor device |
| JPS58168233A (ja) * | 1982-03-30 | 1983-10-04 | Fujitsu Ltd | 半導体装置の製造方法 |
| JPS5961045A (ja) * | 1982-09-29 | 1984-04-07 | Fujitsu Ltd | 半導体装置の製造方法 |
| NL187373C (nl) * | 1982-10-08 | 1991-09-02 | Philips Nv | Werkwijze voor vervaardiging van een halfgeleiderinrichting. |
| JPS59197137A (ja) * | 1983-04-25 | 1984-11-08 | Fujitsu Ltd | 半導体装置の製造方法 |
| US4579812A (en) * | 1984-02-03 | 1986-04-01 | Advanced Micro Devices, Inc. | Process for forming slots of different types in self-aligned relationship using a latent image mask |
| US4534824A (en) * | 1984-04-16 | 1985-08-13 | Advanced Micro Devices, Inc. | Process for forming isolation slots having immunity to surface inversion |
| FR2566179B1 (fr) * | 1984-06-14 | 1986-08-22 | Commissariat Energie Atomique | Procede d'autopositionnement d'un oxyde de champ localise par rapport a une tranchee d'isolement |
| US4561172A (en) * | 1984-06-15 | 1985-12-31 | Texas Instruments Incorporated | Integrated circuit fabrication method utilizing selective etching and oxidation to form isolation regions |
| US4538343A (en) * | 1984-06-15 | 1985-09-03 | Texas Instruments Incorporated | Channel stop isolation technology utilizing two-step etching and selective oxidation with sidewall masking |
| US4580330A (en) * | 1984-06-15 | 1986-04-08 | Texas Instruments Incorporated | Integrated circuit isolation |
| US4689656A (en) * | 1984-06-25 | 1987-08-25 | International Business Machines Corporation | Method for forming a void free isolation pattern and resulting structure |
| US4528047A (en) * | 1984-06-25 | 1985-07-09 | International Business Machines Corporation | Method for forming a void free isolation structure utilizing etch and refill techniques |
-
1985
- 1985-10-05 JP JP60222596A patent/JPS6281727A/ja active Granted
-
1986
- 1986-10-03 EP EP86113734A patent/EP0220542B1/en not_active Expired - Lifetime
- 1986-10-03 DE DE8686113734T patent/DE3685473D1/de not_active Expired - Lifetime
- 1986-10-04 KR KR1019860008328A patent/KR900000067B1/ko not_active Expired
-
1988
- 1988-08-25 US US07/236,319 patent/US4866004A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0220542A2 (en) | 1987-05-06 |
| JPH0410740B2 (ko) | 1992-02-26 |
| KR870004523A (ko) | 1987-05-11 |
| DE3685473D1 (de) | 1992-07-02 |
| US4866004A (en) | 1989-09-12 |
| EP0220542A3 (en) | 1990-03-28 |
| JPS6281727A (ja) | 1987-04-15 |
| EP0220542B1 (en) | 1992-05-27 |
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