KR100843899B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
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- KR100843899B1 KR100843899B1 KR1020070026672A KR20070026672A KR100843899B1 KR 100843899 B1 KR100843899 B1 KR 100843899B1 KR 1020070026672 A KR1020070026672 A KR 1020070026672A KR 20070026672 A KR20070026672 A KR 20070026672A KR 100843899 B1 KR100843899 B1 KR 100843899B1
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- Prior art keywords
- hard mask
- mask layer
- pattern
- layer pattern
- gate
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 47
- 238000009966 trimming Methods 0.000 claims abstract description 17
- 238000005530 etching Methods 0.000 claims abstract description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 10
- 229920005591 polysilicon Polymers 0.000 claims abstract description 10
- 238000000206 photolithography Methods 0.000 claims abstract description 3
- 229920002120 photoresistant polymer Polymers 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 229920006254 polymer film Polymers 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 229920003986 novolac Polymers 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229910003481 amorphous carbon Inorganic materials 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
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- 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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28123—Lithography-related aspects, e.g. sub-lithography lengths; Isolation-related aspects, e.g. to solve problems arising at the crossing with the side of the device isolation; Planarisation aspects
-
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0332—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their composition, e.g. multilayer masks, materials
-
- 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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- 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
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer using masks
-
- 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
- H10B12/09—Manufacture or treatment with simultaneous manufacture of the peripheral circuit region and memory cells
-
- 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
- H10B41/40—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the peripheral circuit region
- H10B41/42—Simultaneous manufacture of periphery and memory cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/942—Masking
- Y10S438/948—Radiation resist
- Y10S438/95—Multilayer mask including nonradiation sensitive layer
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (13)
- 셀 영역과 주변회로 영역이 구분된 반도체 기판 상부에 폴리실리콘층, 전극층, 제 1 하드마스크층, 제 2 하드마스크층 및 제 3 하드마스크층을 형성하는 단계;게이트 마스크를 이용한 사진 식각공정으로 제 3 하드마스크층 패턴 및 제 2 하드마스크층 패턴을 형성하는 단계;상기 주변회로 영역의 상기 제 2 하드마스크층 패턴을 트리밍(trimming)하여 상기 제 2 하드마스크층 패턴의 선폭을 예정된 선폭만큼 감소시키는 단계; 및상기 제 3 하드마스크층 패턴을 제거하고, 상기 제 2 하드마스크층 패턴을 마스크로 상기 제 1 하드마스크층, 상기 전극층 및 상기 폴리실리콘층을 식각하여 게이트를 완성하는 단계를 포함하되,상기 제 2 하드마스크층은 폴리머막을 포함하고, 상기 제 3 하드마스크층은 실리콘(Si)을 포함하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 1 하드마스크층은 질화막으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 폴리머막은 노볼락 수지를 포함하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 삭제
- 제 1 항에 있어서, 상기 제 2 및 제 3 하드마스크층은 스핀 온 코팅(spin on coating) 방식으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 3 하드마스크층 식각 공정은 CHF3, CF4 및 이들의 조합 중 선택된 하나의 가스를 사용하여 수행하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 2 하드마스크층 식각 공정은 O2, N2, H2 및 이들의 조합 중 선택된 하나의 가스를 사용하여 수행하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 2 하드마스크층 패턴 트리밍 공정은 O2, N2 및 이들의 조합 중 선택된 하나의 가스를 사용하여 수행하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 2 하드마스크층 패턴을 트리밍하는 단계는전체 표면 상부에 감광막을 형성하는 단계;셀 차단 마스크로 상기 감광막을 노광 및 현상하여 상기 주변회로 영역을 노 출시키는 감광막 패턴을 형성하는 단계;상기 주변회로 영역의 상기 제 2 하드마스크층 패턴을 트리밍하는 단계; 및상기 감광막 패턴을 제거하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 9 항에 있어서, 상기 감광막은 I-line용 감광막인 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 9 항에 있어서, 상기 감광막은 상기 제 3 하드마스크층 패턴 상측으로부터 900~1100Å의 두께로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 9 항에 있어서, 상기 감광막 패턴 제거 공정은 씨너(thinner)를 현상액으로 사용하여 수행하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제 1 하드마스크층 식각 공정은 CF4, CHF3 및 이들의 조합 중 선택된 하나의 가스를 사용하여 수행하는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070026672A KR100843899B1 (ko) | 2007-03-19 | 2007-03-19 | 반도체 소자의 제조방법 |
US11/949,391 US7718530B2 (en) | 2007-03-19 | 2007-12-03 | Method for manufacturing semiconductor device |
CNB2007101950425A CN100541724C (zh) | 2007-03-19 | 2007-12-10 | 制造半导体器件的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070026672A KR100843899B1 (ko) | 2007-03-19 | 2007-03-19 | 반도체 소자의 제조방법 |
Publications (1)
Publication Number | Publication Date |
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KR100843899B1 true KR100843899B1 (ko) | 2008-07-03 |
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ID=39775172
Family Applications (1)
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KR1020070026672A KR100843899B1 (ko) | 2007-03-19 | 2007-03-19 | 반도체 소자의 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7718530B2 (ko) |
KR (1) | KR100843899B1 (ko) |
CN (1) | CN100541724C (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8263487B2 (en) | 2008-12-31 | 2012-09-11 | Samsung Electronics Co., Ltd. | Method of forming patterns of semiconductor device |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100875655B1 (ko) * | 2007-01-04 | 2008-12-26 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
CN103794557B (zh) * | 2012-10-26 | 2016-04-06 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件的制作方法 |
US10699943B2 (en) * | 2018-04-30 | 2020-06-30 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of forming contacts in a semiconductor device |
CN113496941B (zh) * | 2020-03-18 | 2025-01-24 | 中芯国际集成电路制造(上海)有限公司 | 一种半导体结构的形成方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050070320A (ko) * | 2003-12-30 | 2005-07-07 | 주식회사 하이닉스반도체 | 반도체소자의 게이트배선 형성 방법 |
Family Cites Families (6)
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TW473840B (en) | 2000-10-06 | 2002-01-21 | Winbond Electronics Corp | Manufacturing method of EEPROM with split-gate structure |
US6869899B2 (en) * | 2001-07-12 | 2005-03-22 | International Business Machines Corporation | Lateral-only photoresist trimming for sub-80 nm gate stack |
US6884734B2 (en) * | 2001-11-20 | 2005-04-26 | International Business Machines Corporation | Vapor phase etch trim structure with top etch blocking layer |
US6720256B1 (en) * | 2002-12-04 | 2004-04-13 | Taiwan Semiconductor Manufacturing Company | Method of dual damascene patterning |
KR100706780B1 (ko) * | 2004-06-25 | 2007-04-11 | 주식회사 하이닉스반도체 | 주변영역의 선폭을 줄일 수 있는 반도체 소자 제조 방법 |
US20060014351A1 (en) | 2004-07-15 | 2006-01-19 | Cheng-Yao Lo | Low leakage MOS transistor |
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2007
- 2007-03-19 KR KR1020070026672A patent/KR100843899B1/ko not_active IP Right Cessation
- 2007-12-03 US US11/949,391 patent/US7718530B2/en not_active Expired - Fee Related
- 2007-12-10 CN CNB2007101950425A patent/CN100541724C/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20050070320A (ko) * | 2003-12-30 | 2005-07-07 | 주식회사 하이닉스반도체 | 반도체소자의 게이트배선 형성 방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8263487B2 (en) | 2008-12-31 | 2012-09-11 | Samsung Electronics Co., Ltd. | Method of forming patterns of semiconductor device |
Also Published As
Publication number | Publication date |
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US20080233726A1 (en) | 2008-09-25 |
CN101271839A (zh) | 2008-09-24 |
CN100541724C (zh) | 2009-09-16 |
US7718530B2 (en) | 2010-05-18 |
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