KR0147474B1 - 반도체 메모리 소자 제조방법 - Google Patents
반도체 메모리 소자 제조방법Info
- Publication number
- KR0147474B1 KR0147474B1 KR1019950009813A KR19950009813A KR0147474B1 KR 0147474 B1 KR0147474 B1 KR 0147474B1 KR 1019950009813 A KR1019950009813 A KR 1019950009813A KR 19950009813 A KR19950009813 A KR 19950009813A KR 0147474 B1 KR0147474 B1 KR 0147474B1
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- region
- impurity
- layer
- drain
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0223—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate
- H10D30/0227—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate having both lightly-doped source and drain extensions and source and drain regions self-aligned to the sides of the gate, e.g. lightly-doped drain [LDD] MOSFET or double-diffused drain [DDD] MOSFET
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (2)
- 반도체 기판상에 P형 웰을 에피택셜 성장시킨후 상기 P형 웰상에 P+매몰층을 형성하는 공정, 상기 반도체기판상에 필드영역과 활성영역을 정의하고 상기 필드영역에 필드산화막을 형성하는 공정, 상기 활성영역의 소정영역에 게이트절연막, 게이트, 캡절연막을 형성하고, 이온 주입에 의한 소오스/드레인불순물영역과 게이트측벽을 형성하여 LDD(Lightly D-oped Drain)구조를 갖는 트랜지스터를 형성하는 공정, 상기 기판의 소오스영역에 N+이온을 주입하여 제1불순물도핑층을 형성하고, 상기 제1불순물도핑층 상부에 P+이온을 주입하여 제2불순물도핑층을 형성하는 공정, 상기 게이트와 반도체 기판상에 절연막을 증착하고 소오스 불순물영역상에 콘택홀을 형성한 후 N+로 도핑된 소오스 접촉용 노드폴리를 형성하는 공정, 상기 소오스 접촉용 노드폴리를 패터닝하여 불필요한 부분의 노드폴리를 선택적으로 제거하며 스토리지 노드를 형성하는 공정, 상기 N+로 도핑된 스토리지 노드폴리에서 불순물이 제2불순물도핑층 상부에 제 3 불순물도핑층을 형성하는 공정, 상기 스토리지 노드폴리위에 캐패시터 유전체막을 증착한 후 상기 캐패시터 유전체막상에 플레이트 포리를 형성하는 공정, 상기 결과물에 절연막, 감광막을 차례로 증착하고, 드레인영역의 기판이 노출되도록 상기 절연막을 선택적으로 제거하여 콘택홀을 형성하는 공정, 상기 콘택홀을 통해 드레인 불순물영역에 접촉되도록 금속층을 증착하는 공정을 포함하여 이루어지는 것을 특징으로 하는 반도체 메모리 소자 제조방법.
- 제1항에 있어서, 제1불순물도핑층, 제2불순물도핑층, 제3불순물도핑층을 소오스 접촉용 노드폴리를 형성하기 전에 차례로 형성하는 것을 특징으로 하는 반도체 메모리 소자 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950009813A KR0147474B1 (ko) | 1995-04-25 | 1995-04-25 | 반도체 메모리 소자 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950009813A KR0147474B1 (ko) | 1995-04-25 | 1995-04-25 | 반도체 메모리 소자 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960039361A KR960039361A (ko) | 1996-11-25 |
KR0147474B1 true KR0147474B1 (ko) | 1998-08-01 |
Family
ID=19412925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950009813A Expired - Fee Related KR0147474B1 (ko) | 1995-04-25 | 1995-04-25 | 반도체 메모리 소자 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0147474B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100451759B1 (ko) * | 1998-11-10 | 2004-11-16 | 주식회사 하이닉스반도체 | 반도체소자제조방법 |
-
1995
- 1995-04-25 KR KR1019950009813A patent/KR0147474B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100451759B1 (ko) * | 1998-11-10 | 2004-11-16 | 주식회사 하이닉스반도체 | 반도체소자제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR960039361A (ko) | 1996-11-25 |
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