KR101128684B1 - 반도체 소자의 제조 방법 - Google Patents
반도체 소자의 제조 방법 Download PDFInfo
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- KR101128684B1 KR101128684B1 KR1020040116660A KR20040116660A KR101128684B1 KR 101128684 B1 KR101128684 B1 KR 101128684B1 KR 1020040116660 A KR1020040116660 A KR 1020040116660A KR 20040116660 A KR20040116660 A KR 20040116660A KR 101128684 B1 KR101128684 B1 KR 101128684B1
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- Prior art keywords
- high voltage
- layer
- low voltage
- film
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000004065 semiconductor Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 40
- 229920005591 polysilicon Polymers 0.000 claims abstract description 40
- 238000005530 etching Methods 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 238000000151 deposition Methods 0.000 claims abstract description 5
- 239000010408 film Substances 0.000 claims description 80
- 230000003647 oxidation Effects 0.000 claims description 16
- 238000007254 oxidation reaction Methods 0.000 claims description 16
- 150000004767 nitrides Chemical class 0.000 claims description 12
- 239000010409 thin film Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 229920002120 photoresistant polymer Polymers 0.000 description 19
- 125000006850 spacer group Chemical group 0.000 description 7
- 238000002955 isolation Methods 0.000 description 5
- 238000001039 wet etching Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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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
- 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
- H01L21/823462—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the gate insulating layers, e.g. different gate insulating layer thicknesses, particular gate insulator materials or particular gate insulator implants
-
- 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
- H01L29/401—Multistep manufacturing processes
- H01L29/4011—Multistep manufacturing processes for data storage electrodes
- H01L29/40117—Multistep manufacturing processes for data storage electrodes the electrodes comprising a charge-trapping insulator
-
- 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
- H01L29/4234—Gate electrodes for transistors with charge trapping gate insulator
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (5)
- 고전압 영역, 셀 영역 및 저전압 영역이 정의된 기판을 제공하는 단계;상기 셀 영역에 터널 산화막과 제1 폴리 실리콘층을 증착한 후 식각하는 단계;식각된 상기 제1 폴리 실리콘층을 덮도록 유전체막을 형성하는 단계;상기 고전압 영역에 고전압 게이트 절연막을 형성하는 단계;상기 저전압 영역에 상기 고전압 게이트 절연막보다 얇은 저전압 게이트 절연막을 형성하는 단계; 및상기 저전압 게이트 절연막을 포함하는 전체 구조 상부에 제2 폴리 실리콘층을 증착한 후 식각하여 상기 고전압 영역에는 상기 고전압 게이트 절연막과 상기 제2 폴리 실리콘층으로 이루어진 고전압 게이트 전극을 형성하고, 상기 셀 영역에는 상기 터널 산화막, 상기 제1 폴리 실리콘층, 상기 유전체막 및 상기 제2 폴리 실리콘층으로 이루어진 셀 게이트 전극을 형성하며, 상기 저전압 영역에는 상기 저전압 게이트 절연막과 상기 제2 폴리 실리콘층으로 이루어진 저전압 게이트 전극을 형성하는 단계;를 포함하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 유전체막을 형성하는 단계는,제1 산화공정을 실시하여 상기 식각된 제1 폴리 실리콘층을 포함하는 전체 구조 상부의 단차를 따라 제1 산화막을 형성하는 단계;상기 제1 산화막 상에 질화막을 증착하는 단계; 및상기 제1 산화막 및 상기 질화막을 식각하여 상기 식각된 상기 제1 폴리 실리콘층을 덮도록 상기 유전체막을 형성하는 단계;를 포함하는 반도체 소자의 제조방법.
- 제 2 항에 있어서,제2 산화공정을 실시하여 상기 질화막 상에 박막의 제2 산화막을 형성하는 단계를 더 포함하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 저전압 게이트 절연막 형성공정시 상기 유전체막 상에도 박막의 산화막이 형성되도록 공정을 진행하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 셀 게이트 전극은 상기 제2 폴리 실리콘층이 상기 유전체막을 덮는 형 태로 형성하는 반도체 소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020040116660A KR101128684B1 (ko) | 2004-12-30 | 2004-12-30 | 반도체 소자의 제조 방법 |
Applications Claiming Priority (1)
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KR1020040116660A KR101128684B1 (ko) | 2004-12-30 | 2004-12-30 | 반도체 소자의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060077998A KR20060077998A (ko) | 2006-07-05 |
KR101128684B1 true KR101128684B1 (ko) | 2012-03-26 |
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KR1020040116660A KR101128684B1 (ko) | 2004-12-30 | 2004-12-30 | 반도체 소자의 제조 방법 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020042191A (ko) * | 2000-11-30 | 2002-06-05 | 박종섭 | 반도체 소자의 제조방법 |
KR20030002357A (ko) * | 2001-06-29 | 2003-01-09 | 주식회사 하이닉스반도체 | 반도체장치의 트랜지스터 형성방법 |
KR20040085349A (ko) * | 2003-03-31 | 2004-10-08 | 주식회사 하이닉스반도체 | 반도체소자의 제조방법 |
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- 2004-12-30 KR KR1020040116660A patent/KR101128684B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020042191A (ko) * | 2000-11-30 | 2002-06-05 | 박종섭 | 반도체 소자의 제조방법 |
KR20030002357A (ko) * | 2001-06-29 | 2003-01-09 | 주식회사 하이닉스반도체 | 반도체장치의 트랜지스터 형성방법 |
KR20040085349A (ko) * | 2003-03-31 | 2004-10-08 | 주식회사 하이닉스반도체 | 반도체소자의 제조방법 |
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KR20060077998A (ko) | 2006-07-05 |
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