JP2006054465A - ウェハ接合によって製造される半導体−誘電体−半導体デバイス構造体 - Google Patents
ウェハ接合によって製造される半導体−誘電体−半導体デバイス構造体 Download PDFInfo
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- 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
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/495—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a simple metal, e.g. W, Mo
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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
- 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
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/51—Insulating materials associated therewith
- H01L29/517—Insulating materials associated therewith the insulating material comprising a metallic compound, e.g. metal oxide, metal silicate
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- 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
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Abstract
【解決手段】 高k誘電材料を含む少なくとも1つの構造体のウェハ接合を利用して、半導体電子デバイスのためのゲート・スタックを形成する方法が提供される。本発明の方法は、まず、それぞれが主面を有する第1及び第2の構造体を選択するステップを含む。本発明によれば、第1及び第2の構造体の少なくとも一方又は両方は、少なくとも高k誘電材料を含む。次に、第1及び第2の構造体の主面同士を接合して、ゲート・スタックの高k誘電材料を少なくとも含む接合構造体を形成する。
【選択図】 図3
Description
それぞれが主面を有し、少なくとも一方が、ゲート・スタックの構成要素であり二酸化シリコンの誘電率より大きい誘電率を持つ誘電材料を少なくとも備える、第1及び第2の構造体を準備するステップと、
該第1及び第2の構造体の該主面同士を接合して、該誘電材料を含む接合構造体を形成するステップと、
を含む。
9:第2の構造体
10:第1の基板
12、16:主面
14:第2の基板
18:高k誘電体
20:固有誘電体層
22:注入領域
Claims (22)
- 半導体デバイスのための接合構造体を形成する方法であって、
それぞれが主面を有し、少なくとも一方が、接合構造体の構成要素であり二酸化シリコンの誘電率より大きい誘電率を持つ誘電材料を少なくとも備える、第1の構造体及び第2の構造体を準備するステップと、
前記第1の構造体及び第2の構造体の前記主面同士を接合して、前記誘電材料を含む接合構造体を形成するステップと、
を含む方法。 - 前記第1の構造体が、半導体材料、導体、又は、それらの組み合わせからなる第1の基板を含む、請求項1に記載の方法。
- 前記第2の構造体が、半導体材料、導体、又は、それらの組み合わせからなる第2の基板を含む、請求項1に記載の方法。
- 前記第1の構造体が半導体基板を備え、前記第2の構造体が導電性基板を備える、請求項1に記載の方法。
- 前記半導体基板が、Si、Ge、SiC、SiGeC、InAs、InP、GaAs、Si/SiGe、シリコン・オン・インシュレータ、又は、シリコン・ゲルマニウム・オン・インシュレータからなる、請求項4に記載の方法。
- 前記導電性基板が、金属、窒化物、シリサイド、ドープされたアモルファス・シリコン、ドープされたポリシリコン、ドープされた結晶シリコン、又は、それらの組み合わせ及びそれらの多層構造からなる、請求項4に記載の方法。
- 前記導電性基板がドープされたポリシリコン又はドープされた結晶シリコンからなる、請求項6に記載の方法。
- 前記導電性基板が水素又は不活性ガス注入領域を含む、請求項4に記載の方法。
- 前記2つの構造体の各々が前記誘電材料を含む、請求項1に記載の方法。
- 前記2つの構造体の各々が前記誘電材料を基板から分離する固有誘電体層を含む、請求項9に記載の方法。
- 前記接合するステップが2つの前記構造体の前記主面を密着させることによって行われる、請求項1に記載の方法。
- 前記接合するステップが外圧の存在下で行われる、請求項11に記載の方法。
- 前記接合するステップが18℃から40℃までの温度で行われる、請求項1に記載の方法。
- 前記接合するステップの後に行われる接合後アニーリング・ステップをさらに含む、請求項1に記載の方法。
- 前記接合後アニーリング・ステップが40℃から1200℃までの温度で行われる、請求項14に記載の方法。
- 前記接合するステップの後に行われる剥離アニーリング・ステップをさらに含む、請求項1に記載の方法。
- 前記剥離アニーリング・ステップが100℃から1000℃までの温度で行われる、請求項16に記載の方法。
- 前記接合するステップの後に、前記接合構造体の薄層化ステップをさらに含む、請求項1に記載の方法。
- 前記薄層化ステップが、剥離アニール、エッチング、又は、平坦化を含む、請求項18に記載の方法。
- 前記誘電材料が、4.0より大きい誘電率を有し、酸化物、シリケート、アルミン酸塩、チタン酸塩、窒化物、又は、それらの組み合わせからなる、請求項1に記載の方法。
- 前記誘電材料が、HfO2、Hfシリケート、又は、酸窒化Hfシリコンからなる、請求項1に記載の方法。
- 半導体電子デバイスのための接合構造体を形成する方法であって、
半導体基板と、該基板上のSiO2と、SiO2上の該SiO2より大きい誘電率を有する誘電材料とを少なくとも有する第1の構造体を準備するステップと、
導電性基板と、該基板上のSiO2と、SiO2上の該SiO2より大きい誘電率を有する誘電材料とを少なくとも有する第2の構造体を準備するステップと、
前記第1の構造体の前記誘電材料を前記第2の構造体の前記誘電材料に接合して、接合構造体を形成するステップと、
を含む方法。
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US10/917,055 US7560361B2 (en) | 2004-08-12 | 2004-08-12 | Method of forming gate stack for semiconductor electronic device |
US10/917,055 | 2004-08-12 |
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JP5178999B2 JP5178999B2 (ja) | 2013-04-10 |
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JP2009016530A (ja) * | 2007-07-04 | 2009-01-22 | Mitsubishi Electric Corp | 炭化珪素電界効果型トランジスタ及びその製造方法 |
KR101561855B1 (ko) | 2007-10-10 | 2015-10-20 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Soi기판의 제작방법 |
JP2017147377A (ja) * | 2016-02-18 | 2017-08-24 | 富士電機株式会社 | 炭化珪素半導体装置用ゲート絶縁膜の製造方法 |
JPWO2021149189A1 (ja) * | 2020-01-22 | 2021-07-29 | ||
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TW200616086A (en) | 2006-05-16 |
JP5178999B2 (ja) | 2013-04-10 |
CN1734721A (zh) | 2006-02-15 |
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