KR20020002574A - 반도체 소자의 콘택플러그 형성방법 - Google Patents
반도체 소자의 콘택플러그 형성방법 Download PDFInfo
- Publication number
- KR20020002574A KR20020002574A KR1020000036784A KR20000036784A KR20020002574A KR 20020002574 A KR20020002574 A KR 20020002574A KR 1020000036784 A KR1020000036784 A KR 1020000036784A KR 20000036784 A KR20000036784 A KR 20000036784A KR 20020002574 A KR20020002574 A KR 20020002574A
- Authority
- KR
- South Korea
- Prior art keywords
- contact plug
- plug
- interlayer insulating
- polysilicon
- insulating film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/01—Manufacture or treatment
- H10W20/071—Manufacture or treatment of dielectric parts thereof
- H10W20/092—Manufacture or treatment of dielectric parts thereof by smoothing the dielectric parts
-
- 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
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/48—Data lines or contacts therefor
- H10B12/482—Bit lines
-
- 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
- H10P52/00—Grinding, lapping or polishing of wafers, substrates or parts of devices
- H10P52/40—Chemomechanical polishing [CMP]
- H10P52/403—Chemomechanical polishing [CMP] of conductive or resistive 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
- H10P95/00—Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
- H10P95/06—Planarisation of inorganic insulating materials
- H10P95/062—Planarisation of inorganic insulating materials involving a dielectric removal step
-
- 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
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/01—Manufacture or treatment
- H10W20/031—Manufacture or treatment of conductive parts of the interconnections
- H10W20/032—Manufacture or treatment of conductive parts of the interconnections of conductive barrier, adhesion or liner layers
- H10W20/033—Manufacture or treatment of conductive parts of the interconnections of conductive barrier, adhesion or liner layers in openings in dielectrics
- H10W20/037—Manufacture or treatment of conductive parts of the interconnections of conductive barrier, adhesion or liner layers in openings in dielectrics the barrier, adhesion or liner layers being on top of a main fill metal
-
- 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
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/01—Manufacture or treatment
- H10W20/031—Manufacture or treatment of conductive parts of the interconnections
- H10W20/056—Manufacture or treatment of conductive parts of the interconnections by filling conductive material into holes, grooves or trenches
-
- 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
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/01—Manufacture or treatment
- H10W20/031—Manufacture or treatment of conductive parts of the interconnections
- H10W20/062—Manufacture or treatment of conductive parts of the interconnections by smoothing of conductive parts, e.g. by planarisation
-
- 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
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/01—Manufacture or treatment
- H10W20/031—Manufacture or treatment of conductive parts of the interconnections
- H10W20/069—Manufacture or treatment of conductive parts of the interconnections by forming self-aligned vias or self-aligned contact plugs
Landscapes
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (6)
- 반도체소자의 제조 방법에 있어서,소정 공정이 완료된 반도체기판상에 제 1 콘택플러그를 형성하는 제 1 단계;상기 제 1 콘택플러그상에 하드마스크층을 포함하는 적층구조의 다수의 비트라인을 형성하는 제 2 단계;상기 제 2 단계의 결과물상에 플러그용 폴리실리콘을 증착하고 상기 비트라인 사이에 매립되어 돌출되도록 상기 플러그용 폴리실리콘을 선택적으로 패터닝하는 제 3 단계;상기 패터닝된 플러그용 폴리실리콘을 상기 비트라인의 상부까지 전면 에치백하여 서로 분리된 제 2 콘택플러그를 형성하는 제 4 단계; 및상기 제 2 콘택플러그상에 층간절연막을 형성한 후, 상기 층간절연막대 상기 제 2 콘택플러그의 연마선택비가 큰 세리아계 슬러리를 이용하여 상기 제 2 콘택플러그의 상부까지 상기 층간절연막을 화학적기계적연마하는 제 5 단계를 포함하여 이루어짐을 특징으로 하는 반도체소자의 제조 방법.
- 제 1 항에 있어서,상기 제 4 단계는,상기 비트라인의 하드마스크층에 대한 선택비가 충분한 식각가스를 사용하여이루어지는 것을 특징으로 하는 반도체소자의 제조 방법.
- 제 1 항에 있어서,상기 제 5 단계후,후속 확산방지막을 위해 상기 제 2 콘택플러그를 소정깊이만큼 리세스에치백하는 단계를 포함하여 이루어짐을 특징으로 하는 반도체 소자의 제조 방법.
- 제 3 항에 있어서,상기 제 2 콘택플러그의 리세스에치백은 상기 층간절연막과 상기 플러그용 폴리실리콘의 연마선택비가 10:1∼15:1인 슬러리를 사용하여 이루어지는 것을 특징으로 하는 반도체소자의 제조 방법.
- 제 1 항에 있어서,상기 층간절연막은 고밀도플라즈마산화막을 이용하는 것을 특징으로 하는 반도체소자의 제조 방법.
- 제 1 항에 있어서,상기 비트라인은 Ti/TiN, 텅스텐 및 하드마스크용 산화막의 적층구조의 측벽에 접속되는 스페이서를 포함하여 이루어진 것을 특징으로 하는 반도체소자의 제조 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000036784A KR100597594B1 (ko) | 2000-06-30 | 2000-06-30 | 반도체 소자의 콘택플러그 형성방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000036784A KR100597594B1 (ko) | 2000-06-30 | 2000-06-30 | 반도체 소자의 콘택플러그 형성방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020002574A true KR20020002574A (ko) | 2002-01-10 |
| KR100597594B1 KR100597594B1 (ko) | 2006-07-06 |
Family
ID=19675095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000036784A Expired - Fee Related KR100597594B1 (ko) | 2000-06-30 | 2000-06-30 | 반도체 소자의 콘택플러그 형성방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100597594B1 (ko) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100691484B1 (ko) * | 2001-06-30 | 2007-03-09 | 주식회사 하이닉스반도체 | 반도체소자의 플러그 제조 방법 |
| KR100732308B1 (ko) * | 2001-06-22 | 2007-06-25 | 주식회사 하이닉스반도체 | 반도체소자의 화학적 기계적 연마방법 |
| KR100832004B1 (ko) * | 2006-06-30 | 2008-05-26 | 주식회사 하이닉스반도체 | 낸드 플래시 메모리 소자의 제조방법 |
| KR101055754B1 (ko) * | 2004-10-18 | 2011-08-11 | 주식회사 하이닉스반도체 | 반도체 메모리 소자의 금속배선 형성방법 |
-
2000
- 2000-06-30 KR KR1020000036784A patent/KR100597594B1/ko not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100732308B1 (ko) * | 2001-06-22 | 2007-06-25 | 주식회사 하이닉스반도체 | 반도체소자의 화학적 기계적 연마방법 |
| KR100691484B1 (ko) * | 2001-06-30 | 2007-03-09 | 주식회사 하이닉스반도체 | 반도체소자의 플러그 제조 방법 |
| KR101055754B1 (ko) * | 2004-10-18 | 2011-08-11 | 주식회사 하이닉스반도체 | 반도체 메모리 소자의 금속배선 형성방법 |
| KR100832004B1 (ko) * | 2006-06-30 | 2008-05-26 | 주식회사 하이닉스반도체 | 낸드 플래시 메모리 소자의 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100597594B1 (ko) | 2006-07-06 |
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