KR100400247B1 - 반도체 메모리장치의 커패시터 하부전극 제조방법 - Google Patents
반도체 메모리장치의 커패시터 하부전극 제조방법 Download PDFInfo
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- KR100400247B1 KR100400247B1 KR10-2000-0086435A KR20000086435A KR100400247B1 KR 100400247 B1 KR100400247 B1 KR 100400247B1 KR 20000086435 A KR20000086435 A KR 20000086435A KR 100400247 B1 KR100400247 B1 KR 100400247B1
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- KR
- South Korea
- Prior art keywords
- film
- lower electrode
- forming
- sacrificial insulating
- gap fill
- Prior art date
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/01—Manufacture or treatment
- H10D1/041—Manufacture or treatment of capacitors having no potential barriers
- H10D1/042—Manufacture or treatment of capacitors having no potential barriers using deposition processes to form electrode extensions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/033—Making the capacitor or connections thereto the capacitor extending over the transistor
- H10B12/0335—Making a connection between the transistor and the capacitor, e.g. plug
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/692—Electrodes
- H10D1/711—Electrodes having non-planar surfaces, e.g. formed by texturisation
- H10D1/712—Electrodes having non-planar surfaces, e.g. formed by texturisation being rough surfaces, e.g. using hemispherical grains
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (5)
- 반도체 메모리장치의 커패시터의 하부전극 제조방법에 있어서,반도체 기판에 희생 절연막을 형성한 후에 하부전극이 형성될 예정 부위를 식각해서 개구부를 형성하는 단계;상기 개구부를 갖는 희생 절연막에 도전체막을 형성하는 단계;상기 도전체막 상부에 상기 개구부를 매립하는 갭필막을 형성하는 단계;상기 희생 절연막이 드러날 때까지 평탄화 공정으로 상기 적층된 갭필막 및 도전체막을 연마하는 단계;상기 결과물에 H2어닐링 공정으로 상기 도전체막의 첨점을 완화하는 단계; 및상기 갭필막 및 희생 절연막을 제거하여 커패시터의 하부전극을 형성하는 단계를 포함하여 이루어진 것을 특징으로 하는 반도체 메모리장치의 커패시터 하부전극 제조방법.
- 제 1항에 있어서, 상기 도전체막은 폴리실리콘인 것을 특징으로 하는 반도체 메모리장치의 커패시터 하부전극 제조방법.
- 제 1항에 있어서, 상기 갭필막은 산화물질 및 포토레지스트 중에서 어느 하나인 것을 특징으로 하는 반도체 메모리장치의 커패시터 하부전극 제조방법.
- 제 1항에 있어서, 상기 H2어닐링 공정은 600℃ ∼ 1100℃의 온도, 10Torr ∼ 300Torr의 압력, H2가스량을 1 ∼ 50 slm로 하는 것을 특징으로 하는 반도체 메모리장치의 커패시터 하부전극 제조방법.
- 제 1항에 있어서, 상기 H2어닐링 공정을 실시한 후에 도전체막의 표면을 요철 형태로 만드는 단계를 더 포함하는 것을 특징으로 하는 반도체 메모리장치의 커패시터 하부전극 제조방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2000-0086435A KR100400247B1 (ko) | 2000-12-29 | 2000-12-29 | 반도체 메모리장치의 커패시터 하부전극 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2000-0086435A KR100400247B1 (ko) | 2000-12-29 | 2000-12-29 | 반도체 메모리장치의 커패시터 하부전극 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020058367A KR20020058367A (ko) | 2002-07-12 |
| KR100400247B1 true KR100400247B1 (ko) | 2003-10-01 |
Family
ID=27689456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2000-0086435A Expired - Fee Related KR100400247B1 (ko) | 2000-12-29 | 2000-12-29 | 반도체 메모리장치의 커패시터 하부전극 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100400247B1 (ko) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5668038A (en) * | 1996-10-09 | 1997-09-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | One step smooth cylinder surface formation process in stacked cylindrical DRAM products |
| JPH11289063A (ja) * | 1998-04-03 | 1999-10-19 | Matsushita Electron Corp | 半導体装置の製造方法 |
| JP2000243913A (ja) * | 1999-02-23 | 2000-09-08 | Nec Corp | シリンダー型キャパシタ形成方法 |
| KR20000075304A (ko) * | 1999-05-31 | 2000-12-15 | 김영환 | 반도체 소자의 캐패시터 하부전극 형성방법 |
| KR20010019207A (ko) * | 1999-08-25 | 2001-03-15 | 윤종용 | 고용량을 갖는 캐패시터의 제조방법 및 이를 이용한 반도체 소자의 제조방법 |
-
2000
- 2000-12-29 KR KR10-2000-0086435A patent/KR100400247B1/ko not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5668038A (en) * | 1996-10-09 | 1997-09-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | One step smooth cylinder surface formation process in stacked cylindrical DRAM products |
| JPH11289063A (ja) * | 1998-04-03 | 1999-10-19 | Matsushita Electron Corp | 半導体装置の製造方法 |
| JP2000243913A (ja) * | 1999-02-23 | 2000-09-08 | Nec Corp | シリンダー型キャパシタ形成方法 |
| KR20000075304A (ko) * | 1999-05-31 | 2000-12-15 | 김영환 | 반도체 소자의 캐패시터 하부전극 형성방법 |
| KR20010019207A (ko) * | 1999-08-25 | 2001-03-15 | 윤종용 | 고용량을 갖는 캐패시터의 제조방법 및 이를 이용한 반도체 소자의 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020058367A (ko) | 2002-07-12 |
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