KR100359780B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
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- KR100359780B1 KR100359780B1 KR1020000069659A KR20000069659A KR100359780B1 KR 100359780 B1 KR100359780 B1 KR 100359780B1 KR 1020000069659 A KR1020000069659 A KR 1020000069659A KR 20000069659 A KR20000069659 A KR 20000069659A KR 100359780 B1 KR100359780 B1 KR 100359780B1
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- Prior art keywords
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- cell region
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- gate
- semiconductor substrate
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 31
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 45
- 229920005591 polysilicon Polymers 0.000 claims abstract description 45
- 239000000758 substrate Substances 0.000 claims abstract description 37
- 230000000873 masking effect Effects 0.000 claims abstract description 12
- 238000000151 deposition Methods 0.000 claims abstract description 7
- 238000005530 etching Methods 0.000 claims abstract description 7
- 229920002120 photoresistant polymer Polymers 0.000 claims description 25
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 239000010937 tungsten Substances 0.000 claims description 8
- 238000000059 patterning Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000007547 defect Effects 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 101150034459 Parpbp gene Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001936 parietal effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823437—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/823456—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes gate conductors with different shapes, lengths or dimensions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
- H10B20/60—Peripheral circuit regions
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (9)
- 셀 영역 및 패리 영역의 반도체 기판에 복수개의 스택 게이트를 형성하는 단계;전면에 제 1 절연막을 증착하고 상기 셀 영역에 형성된 제 1 절연막을 선택적으로 제거하여 상기 셀 영역에 형성된 게이트 양측면에 절연막 측벽을 형성하는 단계;상기 반도체 기판의 전면에 폴리 실리콘막을 증착하는 단계;상기 셀 영역을 노출시키는 마스크를 이용한 식각 공정으로 상기 패리 영역에 형성된 폴리 실리콘막보다 일정한 크기만큼 낮게되도록 상기 셀 영역에 형성된 폴리 실리콘막을 제거하는 단계;전면에 평탄화 공정을 실시하여 상기 셀 영역에 형성된 게이트의 표면을 노출시키는 단계;상기 셀 영역의 반도체 기판상에 마스킹막을 형성하는 단계;상기 마스킹막을 마스크로 이용하여 상기 패리 영역의 폴리 실리콘막을 제거하는 단계를 포함하여 형성함을 특징으로 하는 반도체 소자의 제조방법.
- 제 1항에 있어서, 상기 게이트는 반도체 기판상에 게이트 산화막을 형성하고 게이트 산화막상에 폴리 실리콘막과 텅스텐막과 실리콘 질화막과 캡산화막을 차례로 형성한 후에 포토 및 식각 공정으로 상기 캡산화막과 실리콘 질화막과 텅스텐막과 폴리 실리콘막을 선택으로 제거하여 형성함을 특징으로 하는 반도체 소자의 제조방법.
- 제 1항에 있어서, 상기 게이트는 상기 패리 영역에서보다 셀 영역에서 높은 밀도로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1항에 있어서, 상기 제 1 절연막은 산화막으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1항에 있어서, 상기 절연막 측벽은반도체 기판상에 제 1 절연막을 증착하고 전면에 포토레지스트를 도포하는 단계;노광 및 현상 공정으로 상기 셀 영역의 반도체 기판이 노출되도록 상기 포토레지스트를 패터닝하는 단계;상기 패터닝된 포토레지스트를 마스크로 이용하여 상기 셀 영역의 제 1 절연막을 선택적으로 제거하여 상기 셀 영역에 형성된 게이트 양측면에 절연막 측벽을 형성하는 단계를 포함하여 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 폴리 실리콘막은 상기 게이트 전극의 상부 표면이 완전히 덮일 정도로 충분히 두껍게 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 셀 영역에 형성된 게이트 표면은 노출시키고, 상기 패리 영역에 형성된 게이트 상부에는 폴리 실리콘막이 잔류하도록 평탄화 공정을 실시하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1항에 있어서, 상기 마스킹막은상기 반도체 기판의 전면에 절연막을 증착하고 셀 영역 상에만 남도록 상기 절연막을 선택적으로 제거하여 형성함을 특징으로 하는 반도체 소자의 제조방법.
- 제 8항에 있어서, 상기 절연막은 산화막으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000069659A KR100359780B1 (ko) | 2000-11-22 | 2000-11-22 | 반도체 소자의 제조방법 |
US09/989,489 US6579757B2 (en) | 2000-11-22 | 2001-11-21 | Method for fabricating semiconductor device which prevents gates of a peripheral region from being oxidized |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000069659A KR100359780B1 (ko) | 2000-11-22 | 2000-11-22 | 반도체 소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020039839A KR20020039839A (ko) | 2002-05-30 |
KR100359780B1 true KR100359780B1 (ko) | 2002-11-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020000069659A KR100359780B1 (ko) | 2000-11-22 | 2000-11-22 | 반도체 소자의 제조방법 |
Country Status (2)
Country | Link |
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US (1) | US6579757B2 (ko) |
KR (1) | KR100359780B1 (ko) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100455378B1 (ko) * | 2002-02-09 | 2004-11-06 | 삼성전자주식회사 | 반도체 소자의 퓨즈 오픈방법 |
JP2003243616A (ja) * | 2002-02-20 | 2003-08-29 | Seiko Epson Corp | 半導体装置の製造方法 |
KR100439102B1 (ko) * | 2002-07-18 | 2004-07-05 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
US7307002B2 (en) * | 2005-04-04 | 2007-12-11 | Spansion Llc | Non-critical complementary masking method for poly-1 definition in flash memory device fabrication |
KR100875056B1 (ko) * | 2006-09-29 | 2008-12-19 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자의 제조방법 |
KR100905999B1 (ko) * | 2007-06-12 | 2009-07-06 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
US8692310B2 (en) | 2009-02-09 | 2014-04-08 | Spansion Llc | Gate fringing effect based channel formation for semiconductor device |
US8399310B2 (en) | 2010-10-29 | 2013-03-19 | Freescale Semiconductor, Inc. | Non-volatile memory and logic circuit process integration |
KR101831704B1 (ko) | 2010-12-28 | 2018-02-23 | 삼성전자주식회사 | 반도체 소자의 제조 방법 |
US8658497B2 (en) | 2012-01-04 | 2014-02-25 | Freescale Semiconductor, Inc. | Non-volatile memory (NVM) and logic integration |
US8669158B2 (en) | 2012-01-04 | 2014-03-11 | Mark D. Hall | Non-volatile memory (NVM) and logic integration |
US8906764B2 (en) | 2012-01-04 | 2014-12-09 | Freescale Semiconductor, Inc. | Non-volatile memory (NVM) and logic integration |
US8951863B2 (en) * | 2012-04-06 | 2015-02-10 | Freescale Semiconductor, Inc. | Non-volatile memory (NVM) and logic integration |
US8722493B2 (en) | 2012-04-09 | 2014-05-13 | Freescale Semiconductor, Inc. | Logic transistor and non-volatile memory cell integration |
US9087913B2 (en) | 2012-04-09 | 2015-07-21 | Freescale Semiconductor, Inc. | Integration technique using thermal oxide select gate dielectric for select gate and apartial replacement gate for logic |
CN103474334B (zh) * | 2012-06-06 | 2016-03-09 | 华邦电子股份有限公司 | 半导体工艺 |
US8728886B2 (en) | 2012-06-08 | 2014-05-20 | Freescale Semiconductor, Inc. | Integrating formation of a replacement gate transistor and a non-volatile memory cell using a high-k dielectric |
US9111865B2 (en) | 2012-10-26 | 2015-08-18 | Freescale Semiconductor, Inc. | Method of making a logic transistor and a non-volatile memory (NVM) cell |
US8716089B1 (en) | 2013-03-08 | 2014-05-06 | Freescale Semiconductor, Inc. | Integrating formation of a replacement gate transistor and a non-volatile memory cell having thin film storage |
US8741719B1 (en) | 2013-03-08 | 2014-06-03 | Freescale Semiconductor, Inc. | Integrating formation of a logic transistor and a non-volatile memory cell using a partial replacement gate technique |
US9006093B2 (en) | 2013-06-27 | 2015-04-14 | Freescale Semiconductor, Inc. | Non-volatile memory (NVM) and high voltage transistor integration |
US8877585B1 (en) | 2013-08-16 | 2014-11-04 | Freescale Semiconductor, Inc. | Non-volatile memory (NVM) cell, high voltage transistor, and high-K and metal gate transistor integration |
US9129996B2 (en) | 2013-07-31 | 2015-09-08 | Freescale Semiconductor, Inc. | Non-volatile memory (NVM) cell and high-K and metal gate transistor integration |
US8871598B1 (en) | 2013-07-31 | 2014-10-28 | Freescale Semiconductor, Inc. | Non-volatile memory (NVM) and high-k and metal gate integration using gate-first methodology |
US9082837B2 (en) | 2013-08-08 | 2015-07-14 | Freescale Semiconductor, Inc. | Nonvolatile memory bitcell with inlaid high k metal select gate |
US9082650B2 (en) | 2013-08-21 | 2015-07-14 | Freescale Semiconductor, Inc. | Integrated split gate non-volatile memory cell and logic structure |
US9252246B2 (en) | 2013-08-21 | 2016-02-02 | Freescale Semiconductor, Inc. | Integrated split gate non-volatile memory cell and logic device |
US8932925B1 (en) | 2013-08-22 | 2015-01-13 | Freescale Semiconductor, Inc. | Split-gate non-volatile memory (NVM) cell and device structure integration |
US9275864B2 (en) | 2013-08-22 | 2016-03-01 | Freescale Semiconductor,Inc. | Method to form a polysilicon nanocrystal thin film storage bitcell within a high k metal gate platform technology using a gate last process to form transistor gates |
US9136129B2 (en) | 2013-09-30 | 2015-09-15 | Freescale Semiconductor, Inc. | Non-volatile memory (NVM) and high-k and metal gate integration using gate-last methodology |
US9129855B2 (en) | 2013-09-30 | 2015-09-08 | Freescale Semiconductor, Inc. | Non-volatile memory (NVM) and high-k and metal gate integration using gate-first methodology |
US8901632B1 (en) | 2013-09-30 | 2014-12-02 | Freescale Semiconductor, Inc. | Non-volatile memory (NVM) and high-K and metal gate integration using gate-last methodology |
US9231077B2 (en) | 2014-03-03 | 2016-01-05 | Freescale Semiconductor, Inc. | Method of making a logic transistor and non-volatile memory (NVM) cell |
US9472418B2 (en) | 2014-03-28 | 2016-10-18 | Freescale Semiconductor, Inc. | Method for forming a split-gate device |
US9112056B1 (en) | 2014-03-28 | 2015-08-18 | Freescale Semiconductor, Inc. | Method for forming a split-gate device |
US9252152B2 (en) | 2014-03-28 | 2016-02-02 | Freescale Semiconductor, Inc. | Method for forming a split-gate device |
US9379222B2 (en) | 2014-05-30 | 2016-06-28 | Freescale Semiconductor, Inc. | Method of making a split gate non-volatile memory (NVM) cell |
US9257445B2 (en) | 2014-05-30 | 2016-02-09 | Freescale Semiconductor, Inc. | Method of making a split gate non-volatile memory (NVM) cell and a logic transistor |
US9343314B2 (en) | 2014-05-30 | 2016-05-17 | Freescale Semiconductor, Inc. | Split gate nanocrystal memory integration |
CN112701034B (zh) * | 2020-12-25 | 2024-04-26 | 上海华力集成电路制造有限公司 | 栅极的制造方法 |
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JP3323051B2 (ja) | 1995-04-26 | 2002-09-09 | シャープ株式会社 | 半導体装置の製造方法 |
JPH10144886A (ja) * | 1996-09-11 | 1998-05-29 | Toshiba Corp | 半導体装置及びその製造方法 |
US6486023B1 (en) * | 1997-10-31 | 2002-11-26 | Texas Instruments Incorporated | Memory device with surface-channel peripheral transistor |
US5858831A (en) * | 1998-02-27 | 1999-01-12 | Vanguard International Semiconductor Corporation | Process for fabricating a high performance logic and embedded dram devices on a single semiconductor chip |
US6387759B1 (en) * | 1998-05-18 | 2002-05-14 | Hyundai Electronics Industries Co., Ltd. | Method of fabricating a semiconductor device |
KR100343291B1 (ko) * | 1999-11-05 | 2002-07-15 | 윤종용 | 반도체 장치의 커패시터 형성 방법 |
-
2000
- 2000-11-22 KR KR1020000069659A patent/KR100359780B1/ko not_active IP Right Cessation
-
2001
- 2001-11-21 US US09/989,489 patent/US6579757B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6579757B2 (en) | 2003-06-17 |
KR20020039839A (ko) | 2002-05-30 |
US20020061616A1 (en) | 2002-05-23 |
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