JP6613483B2 - 異なる歪み状態を有するトランジスタチャネルを含んだ半導体構造を製造するための方法、及び関連する半導体構造 - Google Patents
異なる歪み状態を有するトランジスタチャネルを含んだ半導体構造を製造するための方法、及び関連する半導体構造 Download PDFInfo
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- 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
- H01L29/7842—Field effect transistors with field effect produced by an insulated gate means for exerting mechanical stress on the crystal lattice of the channel region, e.g. using a flexible substrate
- H01L29/7847—Field effect transistors with field effect produced by an insulated gate means for exerting mechanical stress on the crystal lattice of the channel region, e.g. using a flexible substrate using a memorization technique, e.g. re-crystallization under strain, bonding on a substrate having a thermal expansion coefficient different from the one of the region
-
- 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
- H01L21/823807—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the channel structures, e.g. channel implants, halo or pocket implants, or channel materials
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- Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Thin Film Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Recrystallisation Techniques (AREA)
Description
102 ベース基板
104 BOX層
106 半導体層
108 酸化層
110 マスク層
112 非晶質領域
114 結晶質領域
120 再結晶領域
122 酸化層
124 半導体材料
130 半導体構造
132 フィン構造
134 STI構造
140 多層基板
142 フィン構造
144 酸化層
146 窒化層
148 マスク層
150 非結晶質領域
154 再結晶領域
156 酸化層
160 フィンFETトランジスタ
162 ソース領域
164 ドレイン領域
166 ゲート
168 誘電材料
Claims (10)
- 半導体構造を製造する方法であって、
ベース基板、
前記基板の表面の上の埋め込み酸化層、及び
前記ベース基板と反対側の前記埋め込み酸化層の上の、結晶質半導体材料を備えた歪半導体層
を含んだ多層基板を準備するステップと、
前記歪半導体層の第1の領域にイオンを注入することなく前記歪半導体層の第2の領域にイオンを注入し、前記歪半導体層の前記第2の領域が非晶質領域及び下層の結晶質領域を有するように、前記歪半導体層の前記第2の領域における前記結晶質半導体材料の一部を非晶質材料に変質させるステップと、
前記非晶質領域を再結晶させるステップと、
前記歪半導体層の前記第2の領域のある部分から前記歪半導体層の別の部分へ元素を拡散させて、前記歪半導体層の前記第2の領域の前記別の部分において前記拡散された元素の濃度を高め、前記歪半導体層の前記第2の領域が前記歪半導体層の前記第1の領域の歪状態の極性とは異なる極性を有する歪状態となるように前記歪半導体層の前記第2の領域の歪状態を変えるステップと、
それぞれが前記歪半導体層の前記第1の領域の一部を備えた第1の複数のトランジスタチャネル構造、及びそれぞれが前記歪半導体層の前記第2の領域の一部を備えた第2の複数のトランジスタチャネル構造を形成するステップと、
を含む、方法。 - 歪シリコンを備えるように前記歪半導体層を選択するステップをさらに含む、請求項1に記載の方法。
- 引張歪シリコンを備えるように前記歪半導体層を選択するステップをさらに含む、請求項2に記載の方法。
- 前記歪半導体層の前記第2の領域にイオンを注入するステップが、前記歪半導体層の前記第2の領域にゲルマニウムイオンを注入して、SiyGe1−yを形成するサブステップを含み、ここでyは約0.10〜約0.50であり、前記歪半導体層の前記第2の領域のある部分から前記歪半導体層の別の部分へ元素を拡散させるステップが、前記歪半導体層の前記第2の領域の前記別の部分へゲルマニウムを拡散させるサブステップを含む、請求項2に記載の方法。
- 前記第1の複数のトランジスタチャネル構造及び前記第2の複数のトランジスタチャネル構造を形成するステップが、それぞれが前記歪半導体層の前記第1の領域の一部を備える第1の複数のフィン構造と、それぞれが前記歪半導体層の前記第2の領域の一部を備える第2の複数のフィン構造とを形成するサブステップを含む、請求項1に記載の方法。
- 前記歪半導体層の前記第2の領域のある部分から前記歪半導体層の別の部分へ元素を拡散させるステップが、前記歪半導体層の前記第2の領域で歪みを緩和するサブステップを含む、請求項1に記載の方法。
- 前記歪半導体層の前記第2の領域のある部分から前記歪半導体層の別の部分へ元素を拡散させるステップが、前記歪半導体層の前記第2の領域で凝縮工程を行うサブステップを含む、請求項1に記載の方法。
- 前記歪半導体層の前記第2の領域で凝縮工程を行うサブステップが、前記歪半導体層の前記第2の領域の一部を酸化させることを含む、請求項7に記載の方法。
- 前記非晶質領域を再結晶させるステップが、前記下層の結晶質領域を、前記非晶質領域の再結晶の種結晶とするサブステップを含む、請求項1に記載の方法。
- 前記歪半導体層の前記第2の領域のある部分から前記歪半導体層の前記別の部分へ元素を拡散させる前に、前記歪半導体層の前記第1の領域にさらなる半導体材料を成長させることなく、前記歪半導体層の前記第2の領域にさらなる半導体材料をエピタキシャル成長させるステップをさらに含む、請求項1に記載の方法。
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US14/489,798 US9165945B1 (en) | 2014-09-18 | 2014-09-18 | Method for fabricating semiconductor structures including transistor channels having different strain states, and related semiconductor structures |
US14/489,798 | 2014-09-18 |
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JP (1) | JP6613483B2 (ja) |
KR (1) | KR102496961B1 (ja) |
CN (1) | CN105448834B (ja) |
DE (1) | DE102015218015A1 (ja) |
FR (1) | FR3026225B1 (ja) |
TW (1) | TW201618193A (ja) |
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US9209301B1 (en) | 2014-09-18 | 2015-12-08 | Soitec | Method for fabricating semiconductor layers including transistor channels having different strain states, and related semiconductor layers |
US9349798B1 (en) * | 2015-06-29 | 2016-05-24 | International Business Machines Corporation | CMOS structures with selective tensile strained NFET fins and relaxed PFET fins |
US9524969B1 (en) * | 2015-07-29 | 2016-12-20 | International Business Machines Corporation | Integrated circuit having strained fins on bulk substrate |
TWI605552B (zh) | 2016-12-08 | 2017-11-11 | 新唐科技股份有限公司 | 半導體元件、半導體基底及其形成方法 |
FR3064398B1 (fr) * | 2017-03-21 | 2019-06-07 | Soitec | Structure de type semi-conducteur sur isolant, notamment pour un capteur d'image de type face avant, et procede de fabrication d'une telle structure |
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US10580893B2 (en) * | 2018-04-06 | 2020-03-03 | Globalfoundries Inc. | Sealed cavity structures with non-planar surface features to induce stress |
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US9165945B1 (en) | 2015-10-20 |
KR20160033626A (ko) | 2016-03-28 |
FR3026225B1 (fr) | 2018-05-25 |
JP2016063222A (ja) | 2016-04-25 |
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