JP5367955B2 - 動作特性とフリッカーノイズ特性が向上したアナログトランジスタを備える半導体素子及びその製造方法 - Google Patents
動作特性とフリッカーノイズ特性が向上したアナログトランジスタを備える半導体素子及びその製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 72
- 238000004519 manufacturing process Methods 0.000 title description 13
- 239000000758 substrate Substances 0.000 claims description 44
- 238000005530 etching Methods 0.000 claims description 42
- 239000001257 hydrogen Substances 0.000 claims description 34
- 229910052739 hydrogen Inorganic materials 0.000 claims description 34
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 33
- 230000006698 induction Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000001939 inductive effect Effects 0.000 claims description 10
- 230000007935 neutral effect Effects 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims 1
- 108091006146 Channels Proteins 0.000 description 75
- 125000006850 spacer group Chemical group 0.000 description 6
- 230000002195 synergetic effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 5
- 229910021332 silicide Inorganic materials 0.000 description 4
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 4
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- DYCJFJRCWPVDHY-LSCFUAHRSA-N NBMPR Chemical compound O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1N1C2=NC=NC(SCC=3C=CC(=CC=3)[N+]([O-])=O)=C2N=C1 DYCJFJRCWPVDHY-LSCFUAHRSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 2
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000000038 ultrahigh vacuum chemical vapour deposition Methods 0.000 description 1
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- 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
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- 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
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- 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
- H01L29/4916—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen
- H01L29/4925—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement
- H01L29/4933—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement with a silicide layer contacting the silicon layer, e.g. Polycide gate
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- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
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- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
102 素子分離領域
104a、104b チャネル
110 ゲート絶縁膜
120 ゲート
123 スペーサ
128a、128b ソース/ドレイン領域
130 シリサイド膜
152a、252a、352a 第1エッチングストッパライナ
152b、352b 第2エッチングストッパライナ
Claims (9)
- 基板と、
前記基板上に配置されたアナログnMOSトランジスタと、
前記基板上に配置された圧縮歪みチャネルアナログpMOSトランジスタと、
前記nMOSトランジスタを覆う第1エッチングストッパライナと、
前記pMOSトランジスタを覆う第2エッチングストッパライナとを含むが、
前記nMOS及びpMOSトランジスタは各々レファレンス非歪みチャネルアナログnMOS及びpMOSトランジスタに対する500Hzでのフリッカーノイズパワーの相対値が1以下であり、
前記第1エッチングストッパライナの水素濃度は1×10 21 /cm 3 以下であり、前記レファレンス非歪みチャネルアナログnMOS及びpMOSトランジスタは±│2│Gdyne/cm 2 以上の応力を誘導せず、
前記第1エッチングストッパライナは中性エッチングストッパライナであり、
前記nMOSトランジスタは前記基板内に形成された溝を埋め込む引張エピタキシャル半導体層と、
前記引張エピタキシャル半導体層内に形成されたソース/ドレイン領域とを含むが、前記引張エピタキシャル半導体層及び前記ソース/ドレイン領域は前記nMOSトランジスタのチャネルに引張歪みを誘導する歪みチャネルトランジスタである
ことを特徴とする半導体素子。 - 基板と、
前記基板上に配置されたアナログnMOSトランジスタと、
前記基板上に配置された圧縮歪みチャネルアナログpMOSトランジスタと、
前記nMOSトランジスタを覆う第1エッチングストッパライナと、
前記pMOSトランジスタを覆う第2エッチングストッパライナとを含むが、
前記nMOS及びpMOSトランジスタは各々レファレンス非歪みチャネルアナログnMOS及びpMOSトランジスタに対する500Hzでのフリッカーノイズパワーの相対値が1以下であり、
前記第1エッチングストッパライナの水素濃度は1×10 21 /cm 3 以下であり、前記レファレンス非歪みチャネルアナログnMOS及びpMOSトランジスタは±│2│Gdyne/cm 2 以上の応力を誘導せず、
前記第1エッチングストッパライナは中性エッチングストッパライナであり、前記nMOSトランジスタはnMOSトランジスタのチャネルに引張歪みを誘導する圧縮歪みゲートを含む歪みチャネルトランジスタである
ことを特徴とする半導体素子。 - 基板と、
前記基板上に配置されたアナログnMOSトランジスタと、
前記基板上に配置された圧縮歪みチャネルアナログpMOSトランジスタと、
前記nMOSトランジスタを覆う第1エッチングストッパライナと、
前記pMOSトランジスタを覆う第2エッチングストッパライナとを含むが、
前記nMOS及びpMOSトランジスタは各々レファレンス非歪みチャネルアナログnMOS及びpMOSトランジスタに対する500Hzでのフリッカーノイズパワーの相対値が1以下であり、
前記第1エッチングストッパライナの水素濃度は1×10 21 /cm 3 以下であり、前記レファレンス非歪みチャネルアナログnMOS及びpMOSトランジスタは±│2│Gdyne/cm 2 以上の応力を誘導せず、
前記第1エッチングストッパライナは引張歪み誘導ライナであり、前記nMOSトランジスタは前記引張歪み誘導ライナにより引張歪みチャネルを含む歪みチャネルトランジスタである
ことを特徴とする半導体素子。 - 前記第1エッチングストッパライナは圧縮歪み誘導ライナであり、前記nMOSトランジスタは前記圧縮歪み誘導ライナによりチャネルに圧縮歪みが誘導された歪みチャネルトランジスタである請求項1に記載の半導体素子。
- 基板と、
前記基板上に配置されたアナログnMOSトランジスタと、
前記基板上に配置されたアナログpMOSトランジスタと、
前記nMOSトランジスタを覆い、かつ水素濃度1×1021/cm3以下の第1エッチングストッパライナと、
前記pMOSトランジスタを覆い、かつ前記pMOSトランジスタのチャネルに圧縮歪みを誘導する第2エッチングストッパライナとを含み、
前記nMOS及びpMOSトランジスタは各々レファレンス非歪みチャネルアナログnMOS及びpMOSトランジスタに対する500Hzでのフリッカーノイズパワーの相対値が1以下であって、前記レファレンス非歪みチャネルアナログnMOS及びpMOSトランジスタは±│2│Gdyne/cm2以上の応力を誘導せず、
前記第1エッチングストッパライナは前記nMOSトランジスタのチャネルに引張歪みを誘導する
ことを特徴とする半導体素子。 - 基板と、
水素濃度1×1021/cm3以下の第1エッチングストッパライナと、
前記第1エッチングストッパライナと前記基板の間に形成された歪みチャネルアナログnMOSトランジスタとを含み、
前記nMOSトランジスタはレファレンス非歪みチャネルアナログnMOSトランジスタに対する500Hzでのフリッカーノイズパワーの相対値が1以下であって、前記レファレンス非歪みチャネルアナログnMOSトランジスタは±│2│Gdyne/cm2以上の応力を誘導せず、
前記第1エッチングストッパライナは中性エッチングストッパライナであり、
前記nMOSトランジスタは前記基板内に形成された溝を埋め込む引張エピタキシャル半導体層と、
前記引張エピタキシャル半導体層内に形成されたソース/ドレイン領域とを含むが、前記引張エピタキシャル半導体層及び前記ソース/ドレイン領域は前記nMOSトランジスタのチャネルに引張歪みを誘導する歪みチャネルトランジスタである
ことを特徴とする半導体素子。 - 基板と、
水素濃度1×10 21 /cm 3 以下の第1エッチングストッパライナと、
前記第1エッチングストッパライナと前記基板の間に形成された歪みチャネルアナログnMOSトランジスタとを含み、
前記nMOSトランジスタはレファレンス非歪みチャネルアナログnMOSトランジスタに対する500Hzでのフリッカーノイズパワーの相対値が1以下であって、前記レファレンス非歪みチャネルアナログnMOSトランジスタは±│2│Gdyne/cm 2 以上の応力を誘導せず、
前記第1エッチングストッパライナは中性エッチングストッパライナであり、前記nMOSトランジスタはnMOSトランジスタのチャネルに引張歪みを誘導する圧縮歪みゲートを含む歪みチャネルトランジスタである
ことを特徴とする半導体素子。 - 基板と、
水素濃度1×10 21 /cm 3 以下の第1エッチングストッパライナと、
前記第1エッチングストッパライナと前記基板の間に形成された歪みチャネルアナログnMOSトランジスタとを含み、
前記nMOSトランジスタはレファレンス非歪みチャネルアナログnMOSトランジスタに対する500Hzでのフリッカーノイズパワーの相対値が1以下であって、前記レファレンス非歪みチャネルアナログnMOSトランジスタは±│2│Gdyne/cm 2 以上の応力を誘導せず、
前記第1エッチングストッパライナは引張歪み誘導ライナであり、前記nMOSトランジスタは前記引張歪み誘導ライナによる引張歪みチャネルを含む歪みチャネルトランジスタである
ことを特徴とする半導体素子。 - 基板上にアナログnMOSトランジスタとアナログpMOSトランジスタを形成し、前記nMOSトランジスタを覆い、かつ水素濃度1×1021/cm3以下の第1エッチングストッパライナを形成し、
前記pMOSトランジスタを覆い、かつ前記pMOSトランジスタのチャネルに圧縮歪みを誘導する第2エッチングストッパライナを形成することを含み、
前記nMOS及びpMOSトランジスタは各々レファレンス非歪みチャネルアナログnMOS及びpMOSトランジスタに対する500Hzでのフリッカーノイズパワーの相対値が1以下であって、前記レファレンス非歪みチャネルアナログnMOS及びpMOSトランジスタは±│2│Gdyne/cm2以上の応力を誘導せず、
前記第1エッチングストッパライナと前記第2エッチングストッパライナを形成することは、前記nMOSトランジスタを覆う引張歪みエッチングストッパライナを形成し、前記pMOSトランジスタを覆う圧縮歪みライナを形成し、前記結果物の全面にUVを照射することをさらに含む
ことを特徴とする半導体素子の製造方法。
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