KR100323382B1 - 플래쉬 메모리 소자의 제조방법 - Google Patents
플래쉬 메모리 소자의 제조방법 Download PDFInfo
- Publication number
- KR100323382B1 KR100323382B1 KR1019990065167A KR19990065167A KR100323382B1 KR 100323382 B1 KR100323382 B1 KR 100323382B1 KR 1019990065167 A KR1019990065167 A KR 1019990065167A KR 19990065167 A KR19990065167 A KR 19990065167A KR 100323382 B1 KR100323382 B1 KR 100323382B1
- Authority
- KR
- South Korea
- Prior art keywords
- source
- forming
- gate
- film
- flash memory
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 238000005530 etching Methods 0.000 claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 14
- 239000010703 silicon Substances 0.000 claims abstract description 14
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000005468 ion implantation Methods 0.000 claims description 11
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims description 6
- 229910021342 tungsten silicide Inorganic materials 0.000 claims description 6
- 239000005380 borophosphosilicate glass Substances 0.000 claims description 5
- 150000004767 nitrides Chemical class 0.000 claims description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 230000006866 deterioration Effects 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 18
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000593 degrading effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
Landscapes
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (2)
- 필드산화막이 형성된 실리콘 기판 상에 터널 산화막, 플로팅게이트, ONO막, 콘트롤 게이트, 텅스텐 실리사이드층, 질화막 및 반사방지막이 순차적으로 적층된 게이트를 형성한 후 이온주입 공정으로 상기 실리콘 기판에 소오스 및 드레인 영역을 형성하는 단계;상기 게이트 전극을 포함한 전체 상부면에 스페이서용 산화막을 증착 및 식각공정으로 상기 소오스 영역은 노출 시키고, 상기 드레인 영역은 노출 시키지 않도록 상기 게이트 양측부에 스페이서를 형성한 후 전체 상부면에 금속층을 형성하는 단계;금속층을 포함한 전체상부면에 BPSG막을 형성한 후 소오스 및 드레인 접합부가 노출되도록 콘택 홀을 형성하는 단계; 및상기 콘택 홀 양 측부에 콘택 스페이서 산화막을 형성하는 단계를 포함하여 이루어지는 것을 특징으로 하는 플래쉬 메모리 소자의 제조방법.
- 제 1 항에 있어서,상기 금속층은 티타늄 또는 백금으로 이루어지는 것을 특징으로 하는 플래쉬 메모리 소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990065167A KR100323382B1 (ko) | 1999-12-29 | 1999-12-29 | 플래쉬 메모리 소자의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990065167A KR100323382B1 (ko) | 1999-12-29 | 1999-12-29 | 플래쉬 메모리 소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010065294A KR20010065294A (ko) | 2001-07-11 |
KR100323382B1 true KR100323382B1 (ko) | 2002-02-19 |
Family
ID=19632371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990065167A KR100323382B1 (ko) | 1999-12-29 | 1999-12-29 | 플래쉬 메모리 소자의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100323382B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100671607B1 (ko) * | 2002-07-09 | 2007-01-18 | 주식회사 하이닉스반도체 | 플래시 메모리 제조방법 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100862145B1 (ko) * | 2002-06-29 | 2008-10-09 | 매그나칩 반도체 유한회사 | 플래쉬 메모리 소자 및 그 제조방법 |
KR100766234B1 (ko) * | 2006-05-15 | 2007-10-10 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자 및 그의 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04342171A (ja) * | 1991-05-20 | 1992-11-27 | Fujitsu Ltd | 半導体装置およびその製造方法 |
KR970053925A (ko) * | 1995-12-04 | 1997-07-31 | 김주용 | 플래쉬 메모리 셀의 제조 방법 |
KR970054214A (ko) * | 1995-12-04 | 1997-07-31 | 김주용 | 플래쉬 메모리 셀의 제조 방법 |
KR19990055802A (ko) * | 1997-12-27 | 1999-07-15 | 김영환 | 반도체소자 제조방법 |
-
1999
- 1999-12-29 KR KR1019990065167A patent/KR100323382B1/ko not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04342171A (ja) * | 1991-05-20 | 1992-11-27 | Fujitsu Ltd | 半導体装置およびその製造方法 |
KR970053925A (ko) * | 1995-12-04 | 1997-07-31 | 김주용 | 플래쉬 메모리 셀의 제조 방법 |
KR970054214A (ko) * | 1995-12-04 | 1997-07-31 | 김주용 | 플래쉬 메모리 셀의 제조 방법 |
KR19990055802A (ko) * | 1997-12-27 | 1999-07-15 | 김영환 | 반도체소자 제조방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100671607B1 (ko) * | 2002-07-09 | 2007-01-18 | 주식회사 하이닉스반도체 | 플래시 메모리 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20010065294A (ko) | 2001-07-11 |
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