JP4448374B2 - Cmos技術のためのデュアル・ゲートの製造方法 - Google Patents
Cmos技術のためのデュアル・ゲートの製造方法 Download PDFInfo
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- JP4448374B2 JP4448374B2 JP2004137499A JP2004137499A JP4448374B2 JP 4448374 B2 JP4448374 B2 JP 4448374B2 JP 2004137499 A JP2004137499 A JP 2004137499A JP 2004137499 A JP2004137499 A JP 2004137499A JP 4448374 B2 JP4448374 B2 JP 4448374B2
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- 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
- H01L21/823828—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes
- H01L21/823842—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate conductors, e.g. particular materials, shapes gate conductors with different gate conductor materials or different gate conductor implants, e.g. dual gate structures
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
- Thin Film Transistor (AREA)
Description
10 ゲート絶縁膜
11 アモルファス・シリコン層
12 シリコン・ゲルマニウム(SiGe)層
13 ポリシリコン層
14 酸化膜
20、50 レジスト層
40 インシチュー堆積ポリシリコン
50 マスク
90、91 ゲート導体
Claims (6)
- 異なる型のトランジスタを有するデバイスの製造方法であって、前記デバイス内の前記異なる型のトランジスタのゲートは、異なる材料を含み、
a)ゲート絶縁層上にアモルファス・シリコン層を堆積する工程と、
b)前記アモルファス・シリコン層の上にシリコン・ゲルマニウム層を堆積し、さらに前記シリコン・ゲルマニウム層の上にポリシリコン層を堆積して、第1の型のゲート材料層を形成し、さらに最上層に酸化膜を堆積する、工程と、
c)少なくとも1つの第2の型のゲートが形成される領域から前記第1の型のゲート材料層及び前記酸化膜を除去する工程と、
d) ドープされたポリシリコン材料を堆積し、除去されずに残った前記第1の型のゲート材料層の領域上の前記ポリシリコン材料を前記酸化膜まで除去し、前記除去する工程で除去された領域内の前記アモルファス・シリコン層上に第2の型のゲート材料層を形成し、前記第1の型のゲート材料層および前記第2の型のゲート材料層を前記酸化膜が除去されるまで平坦化する工程であって、前記第1の型のゲート材料層および前記第2の型のゲート材料層は連続層を構成する、工程と、
e)前記第1の型のゲート材料層および前記第2の型のゲート材料層を同時にパタニングして、前記ゲート絶縁層の上に第1の型のゲート部分および第2の型のゲート部分を残存させる工程と、
f) 所定の雰囲気中でのアニールによって前記アモルファス・シリコン層を該アモルファス・シリコン層の直上の前記第1の型のゲート材料層および前記第2の型のゲート材料層と一体化するようにそれぞれポリシリコン・ゲルマニウム層およびポリシリコン層に変化させ、第1の型のゲートおよび前記第2の型のゲートを形成する工程と、
を含み、前記アモルファス・シリコン層は、前記第1の型のゲート材料層を前記除去する工程と前記第2の型のゲート材料層を前記形成する工程の間、前記ゲート絶縁層を覆って保護する、製造方法。 - 前記アモルファス・シリコン層の形成前に、単一のプロセスで前記ゲート絶縁層を形成する工程をさらに含む、請求項1に記載の方法。
- 前記第1の型のゲート材料層を前記堆積する工程および前記第2の型のゲート材料層を前記堆積する工程の少なくとも1つは、粒度合いの違うグレイン・サイズを有する複数の積層膜を堆積する工程を含み、より小さいポリシリコン・グレインはより大きいポリシリコン・グレインに比べて、前記アモルファス・シリコン層により近接する、請求項1に記載の方法。
- 前記第1の型のゲート材料層を前記堆積する工程および前記第2の型のゲート材料層を前記堆積する工程の少なくとも1つは、均一のグレイン・サイズを有する膜を堆積する工程を含む、請求項1に記載の方法。
- 前記第2の型のゲート材料層を前記堆積する工程は、ドープされたポリシリコン材料をインシチュー堆積する工程であって、前記ドープされたポリシリコン材料は堆積中に活性化される、請求項1に記載の方法。
- 前記シリコン・ゲルマニウム層は、20乃至50%のゲルマニウム濃度のシリコン・ゲルマニウムである、請求項1に記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/249,800 US6828181B2 (en) | 2003-05-08 | 2003-05-08 | Dual gate material process for CMOS technologies |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004336056A JP2004336056A (ja) | 2004-11-25 |
JP4448374B2 true JP4448374B2 (ja) | 2010-04-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004137499A Expired - Fee Related JP4448374B2 (ja) | 2003-05-08 | 2004-05-06 | Cmos技術のためのデュアル・ゲートの製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6828181B2 (ja) |
JP (1) | JP4448374B2 (ja) |
CN (1) | CN1320635C (ja) |
TW (1) | TWI272669B (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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US20050212015A1 (en) * | 2004-03-25 | 2005-09-29 | Taiwan Semiconductor Manufacturing Co., Ltd. | Metal gate semiconductor device and manufacturing method |
US20060011949A1 (en) * | 2004-07-18 | 2006-01-19 | Chih-Wei Yang | Metal-gate cmos device and fabrication method of making same |
JP2006253317A (ja) * | 2005-03-09 | 2006-09-21 | Fujitsu Ltd | 半導体集積回路装置およびpチャネルMOSトランジスタ |
US20070048920A1 (en) * | 2005-08-25 | 2007-03-01 | Sematech | Methods for dual metal gate CMOS integration |
US7442591B2 (en) * | 2006-04-19 | 2008-10-28 | Freescale Semiconductor, Inc. | Method of making a multi-gate device |
US7435652B1 (en) * | 2007-03-30 | 2008-10-14 | International Business Machines Corporation | Integration schemes for fabricating polysilicon gate MOSFET and high-K dielectric metal gate MOSFET |
US7635648B2 (en) * | 2008-04-10 | 2009-12-22 | Applied Materials, Inc. | Methods for fabricating dual material gate in a semiconductor device |
JP2010129977A (ja) * | 2008-12-01 | 2010-06-10 | Rohm Co Ltd | 半導体装置の製造方法 |
DE102008063402B4 (de) * | 2008-12-31 | 2013-10-17 | Advanced Micro Devices, Inc. | Verringerung der Schwellwertspannungsfluktuation in Transistoren mit einer Kanalhalbleiterlegierung durch Verringern der Abscheideungleichmäßigkeiten |
US8680629B2 (en) * | 2009-06-03 | 2014-03-25 | International Business Machines Corporation | Control of flatband voltages and threshold voltages in high-k metal gate stacks and structures for CMOS devices |
US8274116B2 (en) * | 2009-11-16 | 2012-09-25 | International Business Machines Corporation | Control of threshold voltages in high-k metal gate stack and structures for CMOS devices |
CN110112130B (zh) * | 2019-04-30 | 2024-02-09 | 苏州固锝电子股份有限公司 | 一种新型四颗二极管集成芯片的制造工艺 |
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CN1076865C (zh) * | 1995-04-28 | 2001-12-26 | 现代电子产业株式会社 | 形成半导体器件中的栅极电极的方法 |
DE19525069C1 (de) * | 1995-07-10 | 1996-10-24 | Siemens Ag | Verfahren zur Herstellung einer integrierten CMOS-Schaltung |
US6033943A (en) * | 1996-08-23 | 2000-03-07 | Advanced Micro Devices, Inc. | Dual gate oxide thickness integrated circuit and process for making same |
US6028339A (en) * | 1996-08-29 | 2000-02-22 | International Business Machines Corporation | Dual work function CMOS device |
US5770490A (en) * | 1996-08-29 | 1998-06-23 | International Business Machines Corporation | Method for producing dual work function CMOS device |
US6261887B1 (en) * | 1997-08-28 | 2001-07-17 | Texas Instruments Incorporated | Transistors with independently formed gate structures and method |
US6087225A (en) * | 1998-02-05 | 2000-07-11 | International Business Machines Corporation | Method for dual gate oxide dual workfunction CMOS |
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US6166417A (en) * | 1998-06-30 | 2000-12-26 | Intel Corporation | Complementary metal gates and a process for implementation |
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US6291282B1 (en) * | 1999-02-26 | 2001-09-18 | Texas Instruments Incorporated | Method of forming dual metal gate structures or CMOS devices |
US6429492B1 (en) * | 1999-06-23 | 2002-08-06 | Bae Systems Information And Electronic Systems Integration, Inc. | Low-power CMOS device and logic gates/circuits therewith |
US6339232B1 (en) * | 1999-09-20 | 2002-01-15 | Kabushika Kaisha Toshiba | Semiconductor device |
JP2001196467A (ja) * | 1999-11-01 | 2001-07-19 | Hitachi Ltd | 半導体集積回路装置及びその製造方法 |
US6861304B2 (en) * | 1999-11-01 | 2005-03-01 | Hitachi, Ltd. | Semiconductor integrated circuit device and method of manufacturing thereof |
US6436749B1 (en) * | 2000-09-08 | 2002-08-20 | International Business Machines Corporation | Method for forming mixed high voltage (HV/LV) transistors for CMOS devices using controlled gate depletion |
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US6770521B2 (en) * | 2001-11-30 | 2004-08-03 | Texas Instruments Incorporated | Method of making multiple work function gates by implanting metals with metallic alloying additives |
US6841441B2 (en) * | 2003-01-08 | 2005-01-11 | Chartered Semiconductor Manufacturing Ltd. | Method to produce dual gates (one metal and one poly or metal silicide) for CMOS devices using sputtered metal deposition, metallic ion implantation, or silicon implantation, and laser annealing |
-
2003
- 2003-05-08 US US10/249,800 patent/US6828181B2/en not_active Expired - Fee Related
-
2004
- 2004-04-29 CN CNB2004100366601A patent/CN1320635C/zh not_active Expired - Fee Related
- 2004-04-30 TW TW093112295A patent/TWI272669B/zh not_active IP Right Cessation
- 2004-05-06 JP JP2004137499A patent/JP4448374B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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TWI272669B (en) | 2007-02-01 |
CN1551333A (zh) | 2004-12-01 |
TW200504846A (en) | 2005-02-01 |
JP2004336056A (ja) | 2004-11-25 |
CN1320635C (zh) | 2007-06-06 |
US20040224451A1 (en) | 2004-11-11 |
US6828181B2 (en) | 2004-12-07 |
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