JP5330358B2 - 集積回路構造、及び集積回路の製造方法 - Google Patents
集積回路構造、及び集積回路の製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 29
- 239000004065 semiconductor Substances 0.000 claims abstract description 97
- 239000000758 substrate Substances 0.000 claims abstract description 28
- 239000012535 impurity Substances 0.000 claims description 31
- 238000005530 etching Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 36
- 238000000034 method Methods 0.000 description 21
- 125000006850 spacer group Chemical group 0.000 description 13
- 229910021332 silicide Inorganic materials 0.000 description 9
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 9
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 238000002513 implantation Methods 0.000 description 6
- 230000005669 field effect Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000003989 dielectric material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052732 germanium Inorganic materials 0.000 description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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Description
100、200…装置領域
22…パッド層
24、317…マスク層
30、30_1、30_2…STI領域
134、234…フォトレジスト
136、236…凹部
138、238、310…フィン
Hfin1、Hfin2、Hfin'…フィン高度
160、260…フィン型電界効果とランジスタ
150、250、314…ゲート誘電体
152、252、316…ゲート電極
318…細いスペーサ
320…ゲートスペーサ
324…エピタキシャル半導体層
T…厚さ
328…点線
327、329…線
330、332…シリサイド領域
Claims (1)
- 第1装置領域の第1部分と、第2装置領域の第2部分からなる半導体基板を提供するステップと、
前記半導体基板上に、第1フィン高さを有する第1半導体フィンを形成するステップと、
前記半導体基板上に、第2フィン高さを有する第2半導体フィンを形成するステップと、
を備え、
前記第1半導体フィンは、前記第1半導体フィンの底部と同じ高さの第1上面を有する第1及び第2STI領域の間に配置されるよう、前記第1装置領域に対して陥凹する前の第1、2STI領域を形成し、
前記第2半導体フィンは、前記第2半導体フィンの底部と同じ高さの第2上面を有する第3及び第4STI領域の間に配置されるよう、前記第2装置領域に対して陥凹する前の第3、4STI領域を形成するステップ、
を更に備え、
且つ前記陥凹する前の第1及び第2STI領域は第1不純物を有し、前記第1不純物は第1不純物濃度を有し、
前記陥凹する前の第3及び第4STI領域は第2不純物を有し、前記第2不純物は第2不純物濃度を有することで、
前記第1、2STI領域のエッチングレートは前記第3、4STI領域のエッチングレートと異なるよう、
前記第1不純物を、前記陥凹する前の第1、2STI領域に、第1不純物濃度までドープするステップと、
前記第2不純物を、前記陥凹する前の第3、4STI領域に、前記第1不純物濃度と異なる第2不純物濃度までドープするステップと、
を更に備え、
且つ前記第1フィン高さを、前記第2フィン高さよりも高く形成し、
前記第1半導体フィンの上面を、前記第2半導体フィンの上面と同じ高さに形成するよう、
前記陥凹する前の第1、2、3、4STI領域を同時に陥凹するステップと、
を更に備え、
前記第1半導体フィンの上面と側壁に、第1ゲート誘電体を形成するステップと、前記第1ゲート誘電体上に、第1ゲート電極を形成するステップと、を含む第1FinFETを形成するステップと、
前記第2半導体フィンの上面と側壁に、第2ゲート誘電体を形成するステップと、前記第2ゲート誘電体上に、第2ゲート電極を形成するステップと、を含む第2FinFETを形成するステップと、
を更に備えることを特徴とする集積回路の製造方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26316409P | 2009-11-20 | 2009-11-20 | |
US61/263,164 | 2009-11-20 | ||
US12/871,655 US8941153B2 (en) | 2009-11-20 | 2010-08-30 | FinFETs with different fin heights |
US12/871,655 | 2010-08-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011109106A JP2011109106A (ja) | 2011-06-02 |
JP5330358B2 true JP5330358B2 (ja) | 2013-10-30 |
Family
ID=44061477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010258794A Active JP5330358B2 (ja) | 2009-11-20 | 2010-11-19 | 集積回路構造、及び集積回路の製造方法 |
Country Status (4)
Country | Link |
---|---|
US (3) | US8941153B2 (ja) |
JP (1) | JP5330358B2 (ja) |
KR (1) | KR101229691B1 (ja) |
TW (1) | TWI427768B (ja) |
Families Citing this family (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8941153B2 (en) | 2009-11-20 | 2015-01-27 | Taiwan Semiconductor Manufacturing Company, Ltd. | FinFETs with different fin heights |
US9397104B2 (en) | 2011-09-21 | 2016-07-19 | Institute of Microelectronics, Chinese Academy of Sciences | SRAM cell and method for manufacturing the same |
CN103021854B (zh) | 2011-09-28 | 2015-09-16 | 中国科学院微电子研究所 | 制作鳍式场效应晶体管的方法以及由此形成的半导体结构 |
US8871575B2 (en) | 2011-10-31 | 2014-10-28 | United Microelectronics Corp. | Method of fabricating field effect transistor with fin structure |
JP5816560B2 (ja) * | 2012-01-10 | 2015-11-18 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
US8557648B2 (en) * | 2012-01-11 | 2013-10-15 | International Business Machines Corporation | Recessed source and drain regions for FinFETs |
US8659097B2 (en) * | 2012-01-16 | 2014-02-25 | Taiwan Semiconductor Manufacturing Company, Ltd. | Control fin heights in FinFET structures |
US8836016B2 (en) | 2012-03-08 | 2014-09-16 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor structures and methods with high mobility and high energy bandgap materials |
US8860148B2 (en) * | 2012-04-11 | 2014-10-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Structure and method for FinFET integrated with capacitor |
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