KR100356577B1 - 에스오아이 기판과 그 제조방법 및 이를 이용한에스오아이 엠오에스에프이티 - Google Patents
에스오아이 기판과 그 제조방법 및 이를 이용한에스오아이 엠오에스에프이티 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims abstract description 90
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000010409 thin film Substances 0.000 claims abstract description 68
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims abstract description 44
- 238000002955 isolation Methods 0.000 claims abstract description 31
- 239000002210 silicon-based material Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 15
- 238000005468 ion implantation Methods 0.000 claims description 10
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052721 tungsten Inorganic materials 0.000 claims description 9
- 239000010937 tungsten Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 229910052710 silicon Inorganic materials 0.000 abstract description 8
- 239000010703 silicon Substances 0.000 abstract description 8
- 238000007667 floating Methods 0.000 abstract description 7
- 239000012212 insulator Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 210000000746 body region Anatomy 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000126 substance Substances 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
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
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- 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
- H01L27/12—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 other than a semiconductor body, e.g. an insulating body
- H01L27/1203—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 other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI
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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
- H01L21/70—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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76251—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques
- H01L21/76254—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques with separation/delamination along an ion implanted layer, e.g. Smart-cut, Unibond
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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
- H01L21/70—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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
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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
- H01L21/70—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
- H01L21/84—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 other than a semiconductor body, e.g. being an insulating body
-
- 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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
- H01L21/76275—Vertical isolation by bonding techniques
-
- 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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
- H01L21/76283—Lateral isolation by refilling of trenches with dielectric material
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- Condensed Matter Physics & Semiconductors (AREA)
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (20)
- 단결정실리콘 재질의 기판;상기 기판의 전체 표면 상에 형성된 매몰산화층;상기 매몰산화층의 전체 표면 상에 형성된 단결정실리콘 재질의 박막층; 그리고상기 박막층의 정해진 영역들과 상기 기판 사이에 위치한 상기 매몰산화층의 관통홀들에 형성된, 상기 박막층의 바디콘택을 위한 도전층을 포함하는 SOI 기판.
- 제 1항에 있어서, 상기 도전층은 고농도의 단결정실리콘층이나 다결정실리콘층 또는 텅스텐 재질의 금속층 중 어느 하나로 이루어지는 것을 특징으로 하는 SOI 기판.
- (삭제)
- 단결정실리콘 재질의 제 1, 2 기판을 각각 준비하는 단계;상기 제 1 기판의 전체 표면 상에 매몰산화층을 형성하는 단계;상기 제 1 기판의 표면으로부터 내측으로 일정 거리만큼 이격하여 배치된 이온주입층을 형성함으로써 상기 매몰산화층과 상기 이온주입층 사이에 단결정실리콘 재질의 박막층을 한정하는 단계;상기 박막층의 정해진 영역들 상의 매몰산화층에 관통홀들을 각각 형성하는 단계;상기 관통홀들에 상기 박막층의 바디콘택을 위한 도전층을 형성하는 단계;상기 매몰산화층을 사이에 두고 상기 제 1 기판과 상기 제 2 기판을 접합시키는 단계; 그리고상기 이온주입층을 이용하여 상기 제 1 기판을 상기 박막층으로부터 분리하는 단계를 포함하는 SOI 기판의 제조방법.
- 제 4 항에 있어서, 상기 도전층을 형성하는 단계는상기 관통홀들을 채우기 위해 상기 매몰산화층 상에 상기 도전층을 형성하는 단계; 그리고상기 관통홀들 내의 도전층을 상기 매몰산화층에 표면 평탄화시키는 단계를 포함하는 것을 특징으로 하는 SOI 기판의 제조방법.
- 제 4 항에 있어서, 상기 도전층을 고농도의 단결정실리콘층이나 다결정실리콘층 또는 텅스텐 재질의 금속층 중 어느 하나로 형성하는 것을 특징으로 하는 SOI 기판의 제조방법.
- (삭제)
- 제 2 도전형의 웰영역과 상기 웰영역을 제외한 제 1 도전형의 나머지 영역을 갖는 제 1 도전형 단결정실리콘 재질의 기판;상기 기판의 전면 상에 형성된 매몰산화층;상기 기판의 나머지 영역의 일부분 상에 위치한 상기 매몰산화층 상에 형성된 제 1 도전형 단결정실리콘 재질의 제 1 박막층;상기 기판의 웰영역의 일부분 상에 위치한 상기 매몰산화층 상에 형성된 제 2 도전형 단결정실리콘 재질의 제 2 박막층;상기 제 1, 2 박막층의 아이솔레이션을 위해 이들 사이의 상기 매몰산화층 상에 형성된 아이솔레이션층;상기 제 1 박막층의 일부분 아래에 위치한 매몰산화층의 관통홀에 형성된, 상기 제 1 박막층의 바디콘택을 위한 제 1 도전층;상기 제 2 박막층의 일부분 아래에 위치한 매몰산화층의 관통홀에 형성된,상기 제 2 박막층의 바디콘택을 위한 제 2 도전층;상기 제 1 박막층에 형성된 제 1 트랜지스터; 그리고상기 제 2 박막층에 형성된 제 2 트랜지스터를 포함하는 SOI MOSFET.
- 제 8 항에 있어서, 상기 기판의 나머지 영역의 일부분 상에 위치한 아이솔레이션층 및 매몰산화층의 관통홀에 형성된 제 1 전압 공급수단; 그리고상기 웰영역의 일부분 상에 위치한 아이솔레이션층 및 매몰산화층의 관통홀에 형성된 제 2 전압 공급수단을 포함하는 것을 특징으로 하는 SOI MOSFET.
- 제 9 항에 있어서, 상기 제 1 전압공급수단은 상기 매몰산화층의 관통홀 내의 제 3 도전층과, 상기 아이솔레이션층의 관통홀 내의 제 5 도전층을 가지고, 상기 제 2 전압공급수단은 상기 매몰산화층의 관통홀 내의 제 4 도전층과, 상기 아이솔레이션층의 관통홀 내의 제 6 도전층을 갖는 것을 특징으로 하는 SOI MOSFET.
- 제 9 항에 있어서, 상기 제 1 전압공급수단은 상기 매몰산화층과 상기 아이솔레이션층의 관통홀 내의 제 7 도전층을 가지고, 상기 제 2 전압공급수단은 상기 매몰산화층과 상기 아이솔레이션층의 관통홀 내의 제 8 도전층을 갖는 것을 특징으로 하는 SOI MOSFET.
- 제 9 항에 있어서, 상기 제 1 도전층과 상기 제 1 전압공급수단 아래의 상기 나머지 영역에 각각 저항성 저항을 줄이기 위한 제 1 도전형 플러그가 형성되고, 상기 제 2 도전층과 상기 제 2 전압공급수단 아래의 상기 웰영역에 각각 저항성 저항을 줄이기 위한 제 2 도전형 플러그가 형성되는 것을 특징으로 하는 SOI MOSFET.
- 제 10 항 또는 제 11 항에 있어서, 상기 제 1 전압공급수단은 Vss전압의 공급수단이고, 상기 제 2 전압공급수단은 VDD전압의 공급수단인 것을 특징으로 하는 SOI MOSFET.
- 제 10 항에 있어서, 상기 제 1, 2, 3, 4 도전층은 동질의 재질로 형성되고, 고농도의 단결정실리콘층이나 다결정실리콘층 또는 텅스텐 재질의 금속층 중 어느 하나로 형성되는 것을 특징으로 하는 SOI MOSFET.
- 제 14 항에 있어서, 상기 제 1, 3 도전층은 제 1 도전형 단결정실리콘층이나 다결정실리콘층으로 형성되고, 상기 제 2, 4 도전층은 제 2 도전형 단결정실리콘층이나 다결정실리콘층으로 형성되는 것을 특징으로 하는 SOI MOSFET.
- (삭제)
- 제 10 항에 있어서, 상기 제 5, 6 도전층은 알루미늄이나 구리재질중 어느 하나의 재질로 동일하게 형성되며 상기 제 1, 2, 3, 4 도전층과는 이질의 재질로 형성되는 것을 특징으로 하는 SOI MOSFET.
- 제 11 항에 있어서, 상기 제 7, 8 도전층은 알루미늄이나 구리재질중 어느 하나의 재질로 동일하게 형성되며 상기 제 1, 2 도전층과는 이질의 재질로 형성되는 것을 특징으로 하는 SOI MOSFET.
- (삭제)
- (삭제)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000016533A KR100356577B1 (ko) | 2000-03-30 | 2000-03-30 | 에스오아이 기판과 그 제조방법 및 이를 이용한에스오아이 엠오에스에프이티 |
US09/803,309 US6437405B2 (en) | 2000-03-30 | 2001-03-09 | Silicon-on-insulator (SOI) substrate, method for fabricating SOI substrate and SOI MOSFET using the SOI substrate |
US10/186,509 US6586284B2 (en) | 2000-03-30 | 2002-07-01 | Silicon-on-insulator (SOI) substrate, method for fabricating SOI substrate and SOI MOSFET using the SOI substrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020000016533A KR100356577B1 (ko) | 2000-03-30 | 2000-03-30 | 에스오아이 기판과 그 제조방법 및 이를 이용한에스오아이 엠오에스에프이티 |
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KR20010095471A KR20010095471A (ko) | 2001-11-07 |
KR100356577B1 true KR100356577B1 (ko) | 2002-10-18 |
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US20020163041A1 (en) | 2002-11-07 |
US6586284B2 (en) | 2003-07-01 |
US6437405B2 (en) | 2002-08-20 |
KR20010095471A (ko) | 2001-11-07 |
US20010025991A1 (en) | 2001-10-04 |
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