JP4744576B2 - 半導体装置の製造方法 - Google Patents
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- JP4744576B2 JP4744576B2 JP2008232571A JP2008232571A JP4744576B2 JP 4744576 B2 JP4744576 B2 JP 4744576B2 JP 2008232571 A JP2008232571 A JP 2008232571A JP 2008232571 A JP2008232571 A JP 2008232571A JP 4744576 B2 JP4744576 B2 JP 4744576B2
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- H10D30/791—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions
- H10D30/792—Arrangements for exerting mechanical stress on the crystal lattice of the channel regions comprising applied insulating layers, e.g. stress liners
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- H10D64/01332—Making the insulator
- H10D64/01336—Making the insulator on single crystalline silicon, e.g. chemical oxidation using a liquid
- H10D64/01344—Making the insulator on single crystalline silicon, e.g. chemical oxidation using a liquid in a nitrogen-containing ambient, e.g. N2O oxidation
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- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/021—Manufacture or treatment using multiple gate spacer layers, e.g. bilayered sidewall spacers
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- H10D64/23—Electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. sources, drains, anodes or cathodes
- H10D64/251—Source or drain electrodes for field-effect devices
- H10D64/258—Source or drain electrodes for field-effect devices characterised by the relative positions of the source or drain electrodes with respect to the gate electrode
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- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/681—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having a compositional variation, e.g. multilayered
- H10D64/685—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator having a compositional variation, e.g. multilayered being perpendicular to the channel plane
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/693—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator the insulator comprising nitrogen, e.g. nitrides, oxynitrides or nitrogen-doped materials
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/01—Manufacture or treatment
- H10W20/031—Manufacture or treatment of conductive parts of the interconnections
- H10W20/069—Manufacture or treatment of conductive parts of the interconnections by forming self-aligned vias or self-aligned contact plugs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
- H10D64/691—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator comprising metallic compounds, e.g. metal oxides or metal silicates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/90—MOSFET type gate sidewall insulating spacer
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- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
10x 半導体領域
11 p型ウェル領域
12a 下地絶縁膜
12 下地ゲート絶縁膜
13a 高誘電率絶縁膜
13 高誘電率ゲート絶縁膜
13A ゲート絶縁膜
14a 金属膜
14 第1導電膜
15a シリコン膜
15 第2導電膜
15A ゲート電極
16a 第1の絶縁膜
16 内側オフセットスペーサ
17a 第2の絶縁膜
17 外側オフセットスペーサ
17A オフセットスペーサ
18a n型エクステンション注入領域
18 n型エクステンション領域
19 内側サイドウォール
20 外側サイドウォール
20A サイドウォール
21a n型ソースドレイン注入領域
21 n型ソースドレイン領域
22 第1の金属シリサイド膜
23 第2の金属シリサイド膜
24 絶縁膜
25 層間絶縁膜
26 コンタクトホール
27 バリアメタル膜
28 導電膜
28A コンタクトプラグ
29 配線
36 コンタクトホール
37 バリアメタル膜
38 導電膜
38A コンタクトプラグ
Claims (11)
- 第1導電型の半導体領域上にゲート絶縁膜を形成する工程(a)と、
前記ゲート絶縁膜上にゲート電極を形成する工程(b)と、
前記ゲート電極の側面上に、内側オフセットスペーサ及び外側オフセットスペーサからなるオフセットスペーサを形成する工程(c)と、
前記ゲート電極の側面上に、前記オフセットスペーサを介して、断面形状がL字状の内側サイドウォール、及び外側サイドウォールからなるサイドウォールを形成する工程(d)と、
前記半導体領域における前記サイドウォールの外側方下に位置する領域に第2導電型のソースドレイン領域を形成する工程(e)と、
前記工程(e)の後で、前記外側サイドウォールを除去して、前記内側サイドウォールを残存させる工程(f)と、
前記工程(f)の後で、前記ゲート電極上にだけ第1の金属シリサイド膜を形成すると共に、前記ソースドレイン領域上に第2の金属シリサイド膜を形成する工程(g)と、
前記ゲート電極、前記オフセットスペーサ、前記内側サイドウォール、及び前記半導体領域における前記内側サイドウォールの外側方に位置する領域を覆うように絶縁膜を形成する工程(h)と、
前記工程(h)の後で、前記絶縁膜上に層間絶縁膜を形成する工程(i)と、
前記絶縁膜及び前記層間絶縁膜に、前記第2の金属シリサイド膜と接続するコンタクトプラグを形成する工程(j)とを備え、
前記工程(c)は、前記ゲート電極の側面上に、上端の高さが前記ゲート電極の上面の高さよりも低い前記内側オフセットスペーサを形成する工程(c1)と、前記ゲート電極の側面上に、前記内側オフセットスペーサを覆うように前記外側オフセットスペーサを形成する工程(c2)とを有し、
前記工程(c2)において、前記外側オフセットスペーサは、前記内側オフセットスペーサの上端及び外側面に接すると共に、その上端が前記ゲート電極の上面と同等の高さまで形成され、
前記外側オフセットスペーサは、前記外側サイドウォールとは異なる材料で形成されており、
前記内側オフセットスペーサと前記外側サイドウォールとは同じ材料で形成されていることを特徴とする半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記工程(h)において、前記絶縁膜は、前記内側サイドウォールの表面に接して形成されることを特徴とする半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記内側オフセットスペーサ及び前記外側サイドウォールは、シリコン窒化膜からなることを特徴とする半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記外側オフセットスペーサは、シリコン酸化膜からなり、
前記外側サイドウォールは、シリコン窒化膜からなることを特徴とする半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記内側オフセットスペーサは、シリコン窒化膜からなり、
前記外側オフセットスペーサは、シリコン酸化膜からなることを特徴とする半導体装置の製造方法。 - 請求項1に記載の半導体装置の製造方法において、
前記絶縁膜は、前記半導体領域における前記ゲート電極の下方に位置するチャネル領域のゲート長方向に応力を生じさせる応力絶縁膜であることを特徴とする半導体装置の製造方法。 - 請求項6に記載の半導体装置の製造方法において、
前記第1導電型は、p型であり、
前記第2導電型は、n型であり、
前記応力は、引っ張り応力であることを特徴とする半導体装置の製造方法。 - 請求項6に記載の半導体装置の製造方法において、
前記第1導電型は、n型であり、
前記第2導電型は、p型であり、
前記応力は、圧縮応力であることを特徴とする半導体装置の製造方法。 - 請求項1〜8のうちいずれか1項に記載の半導体装置の製造方法において、
前記絶縁膜は、シリコン窒化膜からなることを特徴とする半導体装置の製造方法。 - 請求項1〜9のうちいずれか1項に記載の半導体装置の製造方法において、
前記ゲート絶縁膜は、前記半導体領域上に形成された下地絶縁膜からなる下地ゲート絶縁膜と、前記下地ゲート絶縁膜上に形成された高誘電率絶縁膜からなる高誘電率ゲート絶縁膜とを有していることを特徴とする半導体装置の製造方法。 - 請求項1〜10のうちいずれか1項に記載の半導体装置の製造方法において、
前記ゲート電極は、前記ゲート絶縁膜上に形成された金属膜からなる第1導電膜と、前記第1導電膜上に形成されたシリコン膜からなる第2導電膜とを有していることを特徴とする半導体装置の製造方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008232571A JP4744576B2 (ja) | 2008-09-10 | 2008-09-10 | 半導体装置の製造方法 |
| US12/538,534 US8237205B2 (en) | 2008-09-10 | 2009-08-10 | Semiconductor device and method for fabricating the same |
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| JP2008232571A JP4744576B2 (ja) | 2008-09-10 | 2008-09-10 | 半導体装置の製造方法 |
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| Publication Number | Publication Date |
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| JP2010067785A JP2010067785A (ja) | 2010-03-25 |
| JP4744576B2 true JP4744576B2 (ja) | 2011-08-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8633534B2 (en) * | 2010-12-22 | 2014-01-21 | Intel Corporation | Transistor channel mobility using alternate gate dielectric materials |
| US20120276730A1 (en) * | 2011-04-27 | 2012-11-01 | Nanya Technology Corporation | Methods for fabricating a gate dielectric layer and for fabricating a gate structure |
| KR101923120B1 (ko) | 2012-03-21 | 2018-11-28 | 삼성전자 주식회사 | 반도체 소자 및 이의 제조 방법 |
| JP5927017B2 (ja) | 2012-04-20 | 2016-05-25 | ルネサスエレクトロニクス株式会社 | 半導体装置及び半導体装置の製造方法 |
| US9887130B2 (en) * | 2016-01-29 | 2018-02-06 | Taiwan Semiconductor Manufacturing Co., Ltd. | FinFET device and method of forming the same |
| US9882023B2 (en) * | 2016-02-29 | 2018-01-30 | Taiwan Semiconductor Manufacturing Co., Ltd. | Sidewall spacers for self-aligned contacts |
| US9685535B1 (en) * | 2016-09-09 | 2017-06-20 | International Business Machines Corporation | Conductive contacts in semiconductor on insulator substrate |
| US10319832B2 (en) | 2017-04-28 | 2019-06-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | FinFET device and method of forming same |
| DE102018106268B4 (de) | 2017-11-22 | 2024-07-18 | Taiwan Semiconductor Manufacturing Co., Ltd. | Gate-abstandshalterstrukturen für halbleiter-bauelemente und verfahren dafür |
| US10312348B1 (en) * | 2017-11-22 | 2019-06-04 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor device gate spacer structures and methods thereof |
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| JPH06177265A (ja) * | 1992-12-09 | 1994-06-24 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
| JPH1012868A (ja) * | 1996-06-19 | 1998-01-16 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
| JP3186041B2 (ja) * | 1998-06-02 | 2001-07-11 | 日本電気株式会社 | Mosfet半導体装置の製造方法 |
| US7115954B2 (en) * | 2000-11-22 | 2006-10-03 | Renesas Technology Corp. | Semiconductor device including stress inducing films formed over n-channel and p-channel field effect transistors and a method of manufacturing the same |
| JP2004273559A (ja) * | 2003-03-05 | 2004-09-30 | Fujitsu Ltd | 半導体装置およびその製造方法 |
| JP2005223196A (ja) * | 2004-02-06 | 2005-08-18 | Toshiba Corp | 半導体装置及びその製造方法 |
| JP2005244009A (ja) * | 2004-02-27 | 2005-09-08 | Toshiba Corp | 半導体装置及びその製造方法 |
| JP4546201B2 (ja) * | 2004-03-17 | 2010-09-15 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
| US7138323B2 (en) * | 2004-07-28 | 2006-11-21 | Intel Corporation | Planarizing a semiconductor structure to form replacement metal gates |
| DE102005020133B4 (de) * | 2005-04-29 | 2012-03-29 | Advanced Micro Devices, Inc. | Verfahren zur Herstellung eines Transistorelements mit Technik zur Herstellung einer Kontaktisolationsschicht mit verbesserter Spannungsübertragungseffizienz |
| US7176084B2 (en) * | 2005-06-09 | 2007-02-13 | Taiwan Semiconductor Manufacturing Co., Ltd. | Self-aligned conductive spacer process for sidewall control gate of high-speed random access memory |
| JP2005333155A (ja) | 2005-07-07 | 2005-12-02 | Renesas Technology Corp | Misトランジスタ |
| US7569888B2 (en) * | 2005-08-10 | 2009-08-04 | Toshiba America Electronic Components, Inc. | Semiconductor device with close stress liner film and method of manufacturing the same |
| JP4829591B2 (ja) * | 2005-10-25 | 2011-12-07 | パナソニック株式会社 | 半導体装置及びその製造方法 |
| JP4948017B2 (ja) * | 2006-03-30 | 2012-06-06 | 塩野義製薬株式会社 | 容器の詰め物の製造方法および筒状ネットの巻回装置 |
| JP2007305819A (ja) * | 2006-05-12 | 2007-11-22 | Renesas Technology Corp | 半導体装置およびその製造方法 |
| JP2008140854A (ja) * | 2006-11-30 | 2008-06-19 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
| US7521314B2 (en) * | 2007-04-20 | 2009-04-21 | Freescale Semiconductor, Inc. | Method for selective removal of a layer |
| JP4575400B2 (ja) * | 2007-05-08 | 2010-11-04 | 株式会社東芝 | 半導体装置の製造方法 |
| JP2009130009A (ja) * | 2007-11-21 | 2009-06-11 | Renesas Technology Corp | 半導体装置およびその製造方法 |
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| JP2010067785A (ja) | 2010-03-25 |
| US20100059801A1 (en) | 2010-03-11 |
| US8237205B2 (en) | 2012-08-07 |
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