JP4959337B2 - CMOSデバイスのための歪みSiを形成する方法及び構造体 - Google Patents
CMOSデバイスのための歪みSiを形成する方法及び構造体 Download PDFInfo
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- JP4959337B2 JP4959337B2 JP2006538524A JP2006538524A JP4959337B2 JP 4959337 B2 JP4959337 B2 JP 4959337B2 JP 2006538524 A JP2006538524 A JP 2006538524A JP 2006538524 A JP2006538524 A JP 2006538524A JP 4959337 B2 JP4959337 B2 JP 4959337B2
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- 238000000034 method Methods 0.000 title claims description 49
- 239000004065 semiconductor Substances 0.000 claims description 101
- 239000000758 substrate Substances 0.000 claims description 88
- 239000000463 material Substances 0.000 claims description 22
- 125000006850 spacer group Chemical group 0.000 claims description 16
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 28
- 229910052710 silicon Inorganic materials 0.000 description 28
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- 238000013459 approach Methods 0.000 description 2
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- HAYXDMNJJFVXCI-UHFFFAOYSA-N arsenic(5+) Chemical compound [As+5] HAYXDMNJJFVXCI-UHFFFAOYSA-N 0.000 description 2
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- 229910017052 cobalt Inorganic materials 0.000 description 2
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- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
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- 229910052732 germanium Inorganic materials 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
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- 229910052750 molybdenum Inorganic materials 0.000 description 1
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- NRNCYVBFPDDJNE-UHFFFAOYSA-N pemoline Chemical compound O1C(N)=NC(=O)C1C1=CC=CC=C1 NRNCYVBFPDDJNE-UHFFFAOYSA-N 0.000 description 1
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- 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
-
- 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
- H01L29/66—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
- H01L29/7846—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 the means being located in the lateral device isolation region, e.g. STI
-
- 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
- H01L29/66—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
- H01L29/7849—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 the means being provided under the channel
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Description
Claims (7)
- nFETまたはpFETを含むデバイスを製造する方法であって、
半導体基板の一部をドープするステップと、
前記半導体基板のドープされた部分の少なくとも一部を、該半導体基板の表面から内部に延びて前記半導体基板の上部および下部を画成するギャップを形成するように除去するステップと、
前記半導体基板内の前記ギャップによって画成される前記上部と前記下部の間にチャネルに引張り応力または圧縮応力を与えるための歪み層を成長させるステップと、
前記半導体基板上に堆積されたフォトレジスト層を、ドープしない部分を残してパターン状に除去するステップと、
前記フォトレジスト層を除去した後、RIEによるエッチングのために前記半導体基板上にマスクを堆積させるステップと、
前記半導体基板の前記RIEによるエッチングから保護する一部が覆われ、該半導体基板の前記RIEによるエッチングで除去する一部が露出されるように、堆積されたマスクをパターン形成するステップと
前記ギャップの形成の後、前記歪み層を堆積させる前に、前記半導体基板上にスペーサ材料を堆積させるステップと
を含み、
前記ギャップを形成する前記ステップは、前記半導体基板の前記露出された部分をエッチングし、該半導体基板の前記ドープされた領域に少なくとも側壁を選択的に形成させるステップを含む、
方法。 - 前記歪み層は、少なくとも前記nFETのゲート領域が形成される部分に対応した前記ギャップの部分に成長される、請求項1に記載の方法。
- 前記歪み層は、少なくとも前記pFETのソース領域又はドレイン領域を形成する部分に対応した前記ギャップの部分に成長される、請求項1に記載の方法。
- 前記歪み層は、前記pFETのチャネルの下には成長されない、請求項3に記載の
方法。 - 前記ギャップは、前記nFETのチャネルの下に形成されるトンネルである、請求項1に記載の方法。
- 前記スペーサ材料を堆積させる前記ステップは、該スペーサ材料を前記ギャップの形成により露出した部分を含む前記半導体基板の上に堆積させるステップを含む、請求項1に記載の方法。
- 前記スペーサ材料を除去した後、前記ギャップの部分を酸化物材料で充填す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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US10/605,906 | 2003-11-05 | ||
US10/605,906 US7129126B2 (en) | 2003-11-05 | 2003-11-05 | Method and structure for forming strained Si for CMOS devices |
PCT/US2004/037049 WO2005045901A2 (en) | 2003-11-05 | 2004-11-05 | METHOD AND STRUCTURE FOR FORMING STRAINED Si FOR CMOS DEVICES |
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EP (1) | EP1680804A4 (ja) |
JP (1) | JP4959337B2 (ja) |
KR (1) | KR100866826B1 (ja) |
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US20100109048A1 (en) | 2010-05-06 |
US7928443B2 (en) | 2011-04-19 |
KR20060108663A (ko) | 2006-10-18 |
US20080283824A1 (en) | 2008-11-20 |
EP1680804A4 (en) | 2008-07-09 |
US7700951B2 (en) | 2010-04-20 |
WO2005045901A8 (en) | 2006-02-02 |
US7129126B2 (en) | 2006-10-31 |
JP2007511078A (ja) | 2007-04-26 |
WO2005045901A2 (en) | 2005-05-19 |
US20070020806A1 (en) | 2007-01-25 |
US7550338B2 (en) | 2009-06-23 |
EP1680804A2 (en) | 2006-07-19 |
US20050093076A1 (en) | 2005-05-05 |
CN101164157A (zh) | 2008-04-16 |
CN100555600C (zh) | 2009-10-28 |
US7429752B2 (en) | 2008-09-30 |
KR100866826B1 (ko) | 2008-11-04 |
WO2005045901A3 (en) | 2006-08-17 |
US20080003735A1 (en) | 2008-01-03 |
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