JP2008159960A - 半導体装置の製造方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 122
- 238000004519 manufacturing process Methods 0.000 title claims description 29
- 239000000758 substrate Substances 0.000 claims abstract description 85
- 239000012535 impurity Substances 0.000 claims abstract description 56
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 28
- 229910052785 arsenic Inorganic materials 0.000 claims description 16
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 16
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 9
- 229910052796 boron Inorganic materials 0.000 claims description 9
- 238000002513 implantation Methods 0.000 claims description 8
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 238000002425 crystallisation Methods 0.000 abstract description 43
- 230000008025 crystallization Effects 0.000 abstract description 43
- 230000007547 defect Effects 0.000 abstract description 37
- 230000005669 field effect Effects 0.000 abstract description 5
- 238000005468 ion implantation Methods 0.000 abstract description 2
- 230000001629 suppression Effects 0.000 description 20
- 239000013078 crystal Substances 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 10
- 238000002955 isolation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 102100031172 C-C chemokine receptor type 1 Human genes 0.000 description 7
- 101710149814 C-C chemokine receptor type 1 Proteins 0.000 description 7
- 102100031151 C-C chemokine receptor type 2 Human genes 0.000 description 7
- 101710149815 C-C chemokine receptor type 2 Proteins 0.000 description 7
- 238000000137 annealing Methods 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 238000001953 recrystallisation Methods 0.000 description 6
- 229910052814 silicon oxide Inorganic materials 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000005280 amorphization Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
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- 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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26506—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors
- H01L21/26513—Bombardment with radiation with high-energy radiation producing ion implantation in group IV semiconductors of electrically active species
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66575—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate
- H01L29/6659—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate with both lightly doped source and drain extensions and source and drain self-aligned to the sides of the gate, e.g. lightly doped drain [LDD] MOSFET, double diffused drain [DDD] MOSFET
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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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- H01L29/66409—Unipolar field-effect transistors
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Abstract
【解決手段】半導基板1の主面上にゲート電極7Gを形成した後、ゲート電極7Gをマスクとして不純物を半導体基板1に導入することにより半導体基板1の主面に低濃度層11を形成する。続いて、ゲート電極7Gの側面に第1サイドウォール12および第2サイドウォール13を形成した後、第1サイドウォール12、第2サイドウォールおよびゲート電極7Gをマスクとして半導体基板1に窒素等をイオン打ち込みすることにより、半導体基板1の主面に結晶化抑制領域CCRを形成する。その後、第2サイドウォール13を除去した後、半導体基板1の主面に、ソースおよびドレイン用の高濃度層を形成する。
【選択図】図4
Description
本実施の形態1の半導体装置の製造工程について図1〜図6を用いて説明する。
本実施の形態2の半導体装置の製造工程について図13〜図18を用いて説明する。
明は上記実施の形態に限定されるものではなく、その要旨を逸脱しない範囲で種々変更可
能であることは言うまでもない。
2 熱酸化膜
3 埋め込み酸化膜
5 ウエル層
6 ゲート酸化膜
7 多結晶シリコン膜
7G ゲート電極
8 絶縁膜
11 低濃度層
12 第1サイドウォール(第1のゲート膜)
13 第2サイドウォール(第2のゲート膜)
14 高濃度層
15 酸化膜
16 プラグ
20 シリコンゲルマニウム層
21 シリコン歪層
SR 素子分離領域
AR アクティブ領域
CCR 結晶化抑制領域
CCR1 結晶化抑制領域
CCR2 結晶化抑制領域
ReC 再結晶化領域
AmR 非晶質化領域
CH コンタクトホール
Q MOS・FET
Claims (7)
- {100}面を有する半導体基板上にゲート絶縁膜を形成する工程と、
前記ゲート絶縁膜上にゲート電極を形成する工程と、
前記ゲート電極の側方に第1のゲート膜を形成する工程と、
前記第1のゲート膜上に第2のゲート膜を形成する工程と、
前記第2のゲート膜をマスクとして前記半導体基板に第1の不純物である窒素、酸素、炭素、アルゴンの何れかを打ち込む工程と、
前記第2のゲート膜を除去する工程と、
前記第1のゲート膜をマスクとして、前記半導体基板に第2の不純物を打ち込む工程と、
前記第1または第2の不純物を打ち込んだ半導体基板を結晶化させる工程とを含むことを特徴とする半導体装置の製造方法。 - {100}面を有する半導体基板上にゲート絶縁膜を形成する工程と、
前記ゲート絶縁膜上にゲート電極を形成する工程と、
前記ゲート電極の側方に第1のゲート膜を形成する工程と、
前記第1のゲート膜をマスクとして前記半導体基板に第1の不純物である窒素、酸素、炭素、アルゴンの何れかを打ち込む工程と、
前記半導体基板の前記第1の不純物を打ち込んだ領域よりも広い領域に第2の不純物を打ち込む工程と、
前記第1または第2の不純物を打ち込んだ半導体基板を結晶化させる工程とを含むことを特徴とする半導体装置の製造方法。 - 請求項1または2記載の半導体装置の製造方法において、
前記第2の不純物は、ボロン、砒素、リンのいずれかであることを特徴とする半導体装置の製造方法。 - 請求項1または2記載の半導体装置の製造方法において、
前記半導体基板は、SiGe層を含むことを特徴とする半導体装置の製造方法。 - 請求項1または2記載の半導体装置の製造方法において、
前記第2の不純物を打ち込んだ領域は、ソースまたはドレインを形成し、
前記ソースとドレインを結んだ方向は、<110>方向に平行であることを特徴とする半導体装置の製造方法。 - {100}面を有する半導体基板上にゲート絶縁膜を形成する工程と、
前記ゲート絶縁膜上にゲート電極を形成する工程と、
前記ゲート電極の側方に第1のゲート膜を形成する工程と、
前記第1のゲート膜上に第2のゲート膜を形成する工程と、
前記第2のゲート膜をマスクとして前記半導体基板に第1の不純物である窒素、酸素、炭素、アルゴンの何れかを打ち込む工程と、
前記第2のゲート膜を除去する工程と、
前記第1のゲート膜をマスクとして、前記半導体基板に第2の不純物を打ち込む工程と、
前記第1の不純物の打ち込み深さ及び前記第2の不純物の打ち込み深さよりも浅い打ち込み深さで、前記第2のゲート膜がない状態で前記第1のゲート膜をマスクとして、前記第1の不純物を打ち込む工程と、
前記第1または第2の不純物を打ち込んだ半導体基板を結晶化させる工程とを含むことを特徴とする半導体装置の製造方法。 - 請求項6記載の半導体装置の製造方法において、
前記第2の不純物を打ち込んだ領域は、ソースまたはドレインを形成し、
前記ソースとドレインを結んだ方向は、<100>方向に平行であることを特徴とする半導体装置の製造方法。
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Cited By (2)
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JP2012134460A (ja) * | 2010-12-03 | 2012-07-12 | Toshiba Corp | 半導体装置の製造方法 |
JP2013073950A (ja) * | 2011-09-26 | 2013-04-22 | Toshiba Corp | 半導体装置の製造方法 |
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DE102008035816B4 (de) | 2008-07-31 | 2011-08-25 | GLOBALFOUNDRIES Dresden Module One Ltd. Liability Company & Co. KG, 01109 | Leistungssteigerung in PMOS- und NMOS-Transistoren durch Verwendung eines eingebetteten verformten Halbleitermaterials |
US9202693B2 (en) * | 2013-01-28 | 2015-12-01 | Taiwan Semiconductor Manufacturing Co., Ltd. | Fabrication of ultra-shallow junctions |
CN111855636B (zh) * | 2019-04-29 | 2023-10-27 | 中国科学院微电子研究所 | 一种sers基底 |
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JP2004048008A (ja) * | 1993-09-02 | 2004-02-12 | Renesas Technology Corp | 半導体装置及びその製造方法 |
JPH10125916A (ja) * | 1996-10-24 | 1998-05-15 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
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JP2012134460A (ja) * | 2010-12-03 | 2012-07-12 | Toshiba Corp | 半導体装置の製造方法 |
JP2013073950A (ja) * | 2011-09-26 | 2013-04-22 | Toshiba Corp | 半導体装置の製造方法 |
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US20080188043A1 (en) | 2008-08-07 |
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