KR100265257B1 - 다이내믹 램의 제조 방법 - Google Patents
다이내믹 램의 제조 방법 Download PDFInfo
- Publication number
- KR100265257B1 KR100265257B1 KR1019980020715A KR19980020715A KR100265257B1 KR 100265257 B1 KR100265257 B1 KR 100265257B1 KR 1019980020715 A KR1019980020715 A KR 1019980020715A KR 19980020715 A KR19980020715 A KR 19980020715A KR 100265257 B1 KR100265257 B1 KR 100265257B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- polycrystalline silicon
- insulating film
- oxide film
- core
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052814 silicon oxide Inorganic materials 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 9
- 238000005530 etching Methods 0.000 claims description 11
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000000059 patterning Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 239000005368 silicate glass Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 7
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 abstract description 3
- 238000007517 polishing process Methods 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 239000005380 borophosphosilicate glass Substances 0.000 description 7
- 238000001312 dry etching Methods 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 238000000206 photolithography Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000000137 annealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 101100520660 Drosophila melanogaster Poc1 gene Proteins 0.000 description 1
- 101100520662 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) PBA1 gene Proteins 0.000 description 1
- GDFCWFBWQUEQIJ-UHFFFAOYSA-N [B].[P] Chemical compound [B].[P] GDFCWFBWQUEQIJ-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B99/00—Subject matter not provided for in other groups of this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (5)
- 하부 전극이 원통형의 셀 커패시터를 갖는 다이내믹 램 제조 방법에 있어서,셀노드부의 콘택트홀 및 제 1 절연막 내에 상기 콘택트홀보다도 구경이 큰 개구를 동시에 형성하는 단계,제 1 다결정 실리콘막과 제 2 절연막을 순차적으로 연속하여 성장시키는 단계,상기 제 2 절연막을 CMP 법으로 연마하여, 상기 제 2 절연막 표면을 평탄화하는 단계,상기 콘택트홀 및 상기 개구의 부분들을 커버하는 방법으로 상기 제 1 다결정 실리콘막 및 상기 제 2 절연막을 패터닝하는 단계,제 2 다결정 실리콘막을 성장시키는 단계,이방성 에칭으로, 평탄부의 상기 제 2 다결정 실리콘막을 제거하는 단계, 및화학 용액으로 상기 제 1 다결정 실리콘막 상의 상기 제 2 절연막을 제거하여, 원통형태의 하부 전극을 형성하는 단계을 구비하는 것을 특징으로 하는 다이내믹 램 제조 방법.
- 제 1 항에 있어서, 상기 개구가 얼라인먼트를 포함한 반도체들의 제조에 필수적인 것을 특징으로 하는 다이내믹 램 제조 방법.
- 제 1 항에 있어서, 상기 제 2 절연막이 실리콘 산화막인 것을 특징으로 하는 다이내믹 램 제조 방법.
- 제 1 항에 있어서, 상기 제 2 절연막이 보론 또는 인을 포함하는 실리케이트 글래스인 것을 특징으로 하는 다이내믹 램 제조 방법.
- 제 1 항에 있어서, 상기 화학 용액은 플루오르화 수소산을 포함한 에칭 용액인 것을 특징으로 하는 다이내믹 램 제조 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP97-148106 | 1997-06-05 | ||
JP9148106A JPH10335600A (ja) | 1997-06-05 | 1997-06-05 | 半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990006670A KR19990006670A (ko) | 1999-01-25 |
KR100265257B1 true KR100265257B1 (ko) | 2000-09-15 |
Family
ID=15445388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980020715A KR100265257B1 (ko) | 1997-06-05 | 1998-06-03 | 다이내믹 램의 제조 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5888862A (ko) |
JP (1) | JPH10335600A (ko) |
KR (1) | KR100265257B1 (ko) |
CN (1) | CN1107348C (ko) |
TW (1) | TW385520B (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3214449B2 (ja) * | 1998-06-12 | 2001-10-02 | 日本電気株式会社 | 半導体記憶装置の製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6394655A (ja) * | 1986-10-09 | 1988-04-25 | Fujitsu Ltd | 半導体装置の製造方法 |
US5352622A (en) * | 1992-04-08 | 1994-10-04 | National Semiconductor Corporation | Stacked capacitor with a thin film ceramic oxide layer |
US5488011A (en) * | 1994-11-08 | 1996-01-30 | Micron Technology, Inc. | Method of forming contact areas between vertical conductors |
JP2795252B2 (ja) * | 1996-02-29 | 1998-09-10 | 日本電気株式会社 | 半導体装置の製造方法 |
-
1997
- 1997-06-05 JP JP9148106A patent/JPH10335600A/ja active Pending
-
1998
- 1998-06-03 CN CN98102217A patent/CN1107348C/zh not_active Expired - Fee Related
- 1998-06-03 TW TW087108763A patent/TW385520B/zh not_active IP Right Cessation
- 1998-06-03 KR KR1019980020715A patent/KR100265257B1/ko not_active IP Right Cessation
- 1998-06-05 US US09/092,041 patent/US5888862A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1107348C (zh) | 2003-04-30 |
KR19990006670A (ko) | 1999-01-25 |
TW385520B (en) | 2000-03-21 |
CN1203447A (zh) | 1998-12-30 |
US5888862A (en) | 1999-03-30 |
JPH10335600A (ja) | 1998-12-18 |
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