KR101064555B1 - 반도체 소자의 게이트 제조방법 - Google Patents
반도체 소자의 게이트 제조방법 Download PDFInfo
- Publication number
- KR101064555B1 KR101064555B1 KR1020050094577A KR20050094577A KR101064555B1 KR 101064555 B1 KR101064555 B1 KR 101064555B1 KR 1020050094577 A KR1020050094577 A KR 1020050094577A KR 20050094577 A KR20050094577 A KR 20050094577A KR 101064555 B1 KR101064555 B1 KR 101064555B1
- Authority
- KR
- South Korea
- Prior art keywords
- photoresist pattern
- gate
- flash memory
- forming
- logic
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title abstract description 22
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 20
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 20
- 229920005591 polysilicon Polymers 0.000 claims abstract description 20
- 238000005530 etching Methods 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 11
- 238000001020 plasma etching Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000000059 patterning Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
Images
Classifications
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42324—Gate electrodes for transistors with a floating gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66825—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a floating gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/788—Field effect transistors with field effect produced by an insulated gate with floating gate
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (3)
- 플래쉬 메모리 영역 상에 플로팅 게이트가 형성된 기판을 준비하는 단계;상기 기판 상에 폴리 실리콘막 및 반사방지막을 순차 형성하는 단계;상기 반사방지막 상에 플래쉬 메모리 영역을 제외한 나머지 영역을 차단하는 제1 감광막 패턴을 형성하는 단계;상기 제1 감광막 패턴을 식각마스크로 하여 반사방지막을 제거하는 단계;상기 제1 감광막 패턴을 제거하는 단계;상기 제1 감광막 패턴이 제거된 기판 상에 컨트롤 게이트 및 로직 게이트 형성 영역을 정의하는 제2 감광막 패턴을 형성하는 단계; 및상기 제2 감광막 패턴을 식각 마스크로 폴리 실리콘막을 식각하여 컨트롤 게이트 및 로직 게이트를 동시에 형성하는 단계;를 포함하는 반도체 소자의 게이트 제조방법.
- 제1항에 있어서,상기 제1 감광막 패턴을 식각마스크로 하여 반사방지막을 제거하는 단계는, O2 가스를 베이스 가스로 플라즈마 식각하여 제거하는 것을 특징으로 하는 반도체 소자의 게이트 제조방법.
- 제1항에 있어서,상기 제1 감광막 패턴을 제거하는 단계는, 제거 용액으로 시너(Thinner)를 사용하는 것을 특징으로 하는 반도체 소자의 게이트 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050094577A KR101064555B1 (ko) | 2005-10-07 | 2005-10-07 | 반도체 소자의 게이트 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050094577A KR101064555B1 (ko) | 2005-10-07 | 2005-10-07 | 반도체 소자의 게이트 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070039348A KR20070039348A (ko) | 2007-04-11 |
KR101064555B1 true KR101064555B1 (ko) | 2011-09-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050094577A KR101064555B1 (ko) | 2005-10-07 | 2005-10-07 | 반도체 소자의 게이트 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR101064555B1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100480894B1 (ko) * | 2002-11-11 | 2005-04-07 | 매그나칩 반도체 유한회사 | 복합 반도체 장치의 제조방법 |
KR100486309B1 (ko) * | 2003-08-29 | 2005-04-29 | 삼성전자주식회사 | 플래쉬 메모리 소자의 제조 방법 |
KR100854876B1 (ko) * | 2006-02-07 | 2008-08-28 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자의 제조 방법 |
-
2005
- 2005-10-07 KR KR1020050094577A patent/KR101064555B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100480894B1 (ko) * | 2002-11-11 | 2005-04-07 | 매그나칩 반도체 유한회사 | 복합 반도체 장치의 제조방법 |
KR100486309B1 (ko) * | 2003-08-29 | 2005-04-29 | 삼성전자주식회사 | 플래쉬 메모리 소자의 제조 방법 |
KR100854876B1 (ko) * | 2006-02-07 | 2008-08-28 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자의 제조 방법 |
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Publication number | Publication date |
---|---|
KR20070039348A (ko) | 2007-04-11 |
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