KR100390921B1 - 고전압 반도체 소자의 제조방법 - Google Patents
고전압 반도체 소자의 제조방법 Download PDFInfo
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- KR100390921B1 KR100390921B1 KR10-2001-0069447A KR20010069447A KR100390921B1 KR 100390921 B1 KR100390921 B1 KR 100390921B1 KR 20010069447 A KR20010069447 A KR 20010069447A KR 100390921 B1 KR100390921 B1 KR 100390921B1
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- Prior art keywords
- ion implantation
- high voltage
- pmos
- low voltage
- silicon substrate
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000004065 semiconductor Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 76
- 238000005468 ion implantation Methods 0.000 claims abstract description 64
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 4
- 239000010937 tungsten Substances 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 22
- 150000002500 ions Chemical class 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 229910021332 silicide Inorganic materials 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Classifications
-
- 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
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823814—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the source or drain structures, e.g. specific source or drain implants or silicided source or drain structures or raised source or drain structures
-
- 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
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823828—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
- H01L27/092—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
- H01L27/0928—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors comprising both N- and P- wells in the substrate, e.g. twin-tub
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
소 자 | Ids(㎂/㎛) | VtExtT(V) | Vts(V) | BVdss(V) | 비 고 | |
종 래(0.35㎛ 18V) | HV NMOS | 452 | 1.1 | 0.7 | 24 | Ti-silicde게이트 |
HV PMOS | -260 | -1.1 | -0.85 | -24 | ||
본 발 명(0.30㎛ 18V) | HV NMOS | 448 | 1.53 | 1.04 | 22.5 | W-polycide게이트 |
HV PMOS | -285 | -1.44 | -1.21 | -22 |
소 자 | 항 목 | 종래 공정(고전압 N/P 채널스탑 이온주입) | 본 발명 공정(저전압 N/P 웰 이온주입) |
고전압 엔모스(HV NMOS) | Vts | 30V | 23V |
BVdss | 21V | 24V | |
고전압 피모스(HV PMOS) | Vts | 30V | 27V |
BVdss | -30V | -27V |
구 분 | 종 래공정 조건 | 본 발명공정 조건 | 단순화공정 수 | 단순화비 율 (%) |
포토 공정 수 | 27 | 22 | 5 | 19% |
마스크 수 | 27 | 22 | 5 | 19% |
공정 단계 수 | 323 | 290 | 33 | 10% |
공정시간{Net Time(Hr)} | 361.87 | 320.37 | 41.50 | 11% |
공정시간{TAT Time(일)} | 15.08 | 13.35 | 1.73 | 11% |
Claims (5)
- 실리콘 기판에 고전압 피모스 및 엔모스용 N-웰 및 P-웰과 N-드리프트 영역 및 P-드리프트 영역을 형성하는 제1공정; 상기 제1공정이 수행된 실리콘 기판의 적소에 소자분리막을 형성하는 제2공정; 상기 제2공정이 수행된 실리콘 기판 내에 고전압 N-채널 스탑 및 P-채널 스탑 이온주입을 수행하는 제3공정; 상기 제3공정이 수행된 실리콘 기판에 저전압 피모스 및 엔모스용 N-웰 및 P-웰을 형성하는 제4공정; 상기 제4공정이 수행된 실리콘 기판에 차례로 고전압 및 저전압 피모스의 문턱전압 조절용 이온주입을 수행하는 제5공정; 상기 제5공정이 수행된 실리콘 기판의 저전압 영역에 형성된 게이트 산화막을 제거하고, 저전압 엔모스의 문턱전압 조절용 이온주입을 수행하는 제6공정; 상기 제6공정이 수행된 실리콘 기판 상에 게이트를 형성하는 제7공정; 상기 제7공정이 수행된 실리콘 기판에 차례로 저전압 엔모스 및 피모스용 LDD 이온주입과 소오스/드레인 이온주입을 수행하는 제8공정; 및 상기 제8공정이 수행된 실리콘 기판 상에 다층금속배선을 형성하는 제9공정을 포함하는 고전압 반도체 소자의 제조방법에 있어서,상기 제3공정은 제4공정시의 N-웰 마스크 및 P-웰 마스크를 사용하여 동시에 수행하며, 상기 제5공정에서의 고전압 피모스의 문턱전압 조절용 이온주입 및 제8공정에서의 저전압 피모스용 LDD 이온주입은 마스크의 사용없이 블랭킷 이온주입으로 수행하고, 상기 제7공정에서의 게이트는 텅스텐 폴리사이드(W-polycide) 구조로 형성하는 것을 특징으로 하는 고전압 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제1공정에서의 N-웰 형성시에 이온주입은인(P)을 120∼130KeV의 에너지 및 4∼7×1012이온/㎤의 도우즈로 이온주입하는 것을 특징으로 하는 고전압 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제5공정에서의 고전압 피모스의 문턱전압 조절용 이온주입은BF2를 55∼65KeV의 에너지와 5∼8×1011이온/㎤의 도우즈로 이온주입하는 것을 특징으로 하는 고전압 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제8공정에서의 저전압 엔모스용 LDD 이온주입은인(P)을 23∼27KeV의 에너지와 3.3∼3.5×1013이온/㎤의 도우즈로 이온주입하는 것을 특징으로 하는 고전압 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제8공정에서의 저전압 피모스용 LDD 이온주입은BF2를 28∼32KeV의 에너지 및 1.8∼2.2×1013이온/㎤의 도우즈로 이온주입하는 것을 특징으로 하는 고전압 반도체 소자의 제조방법.
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KR20030038041A KR20030038041A (ko) | 2003-05-16 |
KR100390921B1 true KR100390921B1 (ko) | 2003-07-12 |
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KR101051956B1 (ko) * | 2004-05-03 | 2011-07-26 | 매그나칩 반도체 유한회사 | 반도체 소자의 제조방법 |
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KR100624912B1 (ko) * | 2005-03-22 | 2006-09-19 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자의 제조방법 |
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KR101051956B1 (ko) * | 2004-05-03 | 2011-07-26 | 매그나칩 반도체 유한회사 | 반도체 소자의 제조방법 |
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