KR20000052111A - 반도체 장치의 금속 콘택 형성 방법 - Google Patents
반도체 장치의 금속 콘택 형성 방법 Download PDFInfo
- Publication number
- KR20000052111A KR20000052111A KR1019990002967A KR19990002967A KR20000052111A KR 20000052111 A KR20000052111 A KR 20000052111A KR 1019990002967 A KR1019990002967 A KR 1019990002967A KR 19990002967 A KR19990002967 A KR 19990002967A KR 20000052111 A KR20000052111 A KR 20000052111A
- Authority
- KR
- South Korea
- Prior art keywords
- interlayer insulating
- contact
- insulating film
- forming
- etching
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- 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
- H10P50/00—Etching of wafers, substrates or parts of devices
-
- 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
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/28—Dry etching; Plasma etching; Reactive-ion etching of 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
- 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
- H10W20/035—Manufacture or treatment of conductive parts of the interconnections of conductive barrier, adhesion or liner layers in openings in dielectrics combinations of barrier, adhesion or liner layers, e.g. multi-layered barrier layers
-
- 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
- H10W20/071—Manufacture or treatment of dielectric parts thereof
- H10W20/081—Manufacture or treatment of dielectric parts thereof by forming openings in the dielectric parts
-
- 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
Landscapes
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (3)
- 활성 영역과 비활성 영역이 정의되고 트랜지스터가 형성된 셀 영역과 주변 영역의 반도체 기판의 전면에 제 1 층간 절연막을 형성하는 단계와;주변 영역의 상기 활성 영역이 노출될 때까지 상기 제 1 층간 절연막을 식각하여 제 1 콘택홀을 형성하되, 2 단계 식각으로 넓은 개구부를 갖도록 형성하는 단계와;상기 제 1 콘택홀의 양측벽 및 하부면과 상기 제 1 층간 절연막의 표면을 따라 배리어 금속막을 형성하는 단계와;주변 영역의 상기 반도체 기판 상에 제 2 층간 절연막을 형성하는 단계와;상기 제 1 층간 절연막의 표면이 노출될 때까지 상기 제 2 층간 절연막 및 배리어 금속막을 평탄하게 식각하되, 상기 제 2 층간 절연막과 배리어 금속막간에 식각 선택비를 갖지 않도록 식각하는 단계와;상기 반도체 기판의 전면에 제 3 층간 절연막을 형성하되, 상기 제 3 층간 절연막 내에 비트 라인 및 커패시터가 형성되고,주변 영역의 상기 배리어 금속막의 표면이 노출될 때까지 상기 제 3 층간 절연막을 식각하여 제 2 콘택홀을 형성하되, 상기 배리어 금속막과 제 3 층간 절연막간에 식각 선택비를 갖도록 식각하는 단계 및;상기 제 2 콘택홀을 금속막으로 채워 금속 콘택을 형성하는 단계를 포함하는 반도체 장치의 금속 콘택 형성 방법.
- 제 1 항에 있어서,제 1 내지 제 3 층간 절연막은 산화막이고, 상기 배리어 금속막은 Ti/TiN막이며, 상기 금속막은 텅스텐(W)막인 반도체 장치의 금속 콘택 형성 방법.
- 제 1 항에 있어서,상기 2단계 식각은 등방성 습식 식각 공정과 이방성 건식 식각 공정이 차례로 수행되는 반도체 장치의 금속 콘택 형성 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990002967A KR20000052111A (ko) | 1999-01-29 | 1999-01-29 | 반도체 장치의 금속 콘택 형성 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990002967A KR20000052111A (ko) | 1999-01-29 | 1999-01-29 | 반도체 장치의 금속 콘택 형성 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20000052111A true KR20000052111A (ko) | 2000-08-16 |
Family
ID=19572768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990002967A Withdrawn KR20000052111A (ko) | 1999-01-29 | 1999-01-29 | 반도체 장치의 금속 콘택 형성 방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20000052111A (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100382554B1 (ko) * | 2000-12-30 | 2003-05-09 | 주식회사 하이닉스반도체 | 반도체소자의 제조방법 |
| US11393909B2 (en) | 2018-10-15 | 2022-07-19 | Samsung Electronics Co., Ltd. | Semiconductor devices inlcluding a fin field effect transistor |
-
1999
- 1999-01-29 KR KR1019990002967A patent/KR20000052111A/ko not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100382554B1 (ko) * | 2000-12-30 | 2003-05-09 | 주식회사 하이닉스반도체 | 반도체소자의 제조방법 |
| US11393909B2 (en) | 2018-10-15 | 2022-07-19 | Samsung Electronics Co., Ltd. | Semiconductor devices inlcluding a fin field effect transistor |
| US11978775B2 (en) | 2018-10-15 | 2024-05-07 | Samsung Electronics Co., Ltd. | Method of fabricating semiconductor devices including a fin field effect transistor |
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