JP2013008715A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2013008715A JP2013008715A JP2011138448A JP2011138448A JP2013008715A JP 2013008715 A JP2013008715 A JP 2013008715A JP 2011138448 A JP2011138448 A JP 2011138448A JP 2011138448 A JP2011138448 A JP 2011138448A JP 2013008715 A JP2013008715 A JP 2013008715A
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- H—ELECTRICITY
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- H10D89/60—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD]
- H10D89/601—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD] for devices having insulated gate electrodes, e.g. for IGFETs or IGBTs
- H10D89/811—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD] for devices having insulated gate electrodes, e.g. for IGFETs or IGBTs using FETs as protective elements
- H10D89/813—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD] for devices having insulated gate electrodes, e.g. for IGFETs or IGBTs using FETs as protective elements specially adapted to provide an electrical current path other than the field-effect induced current path
- H10D89/815—Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD] for devices having insulated gate electrodes, e.g. for IGFETs or IGBTs using FETs as protective elements specially adapted to provide an electrical current path other than the field-effect induced current path involving a parasitic bipolar transistor triggered by the local electrical biasing of the layer acting as base region of said parasitic bipolar transistor
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
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- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/124—Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
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- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/213—Channel regions of field-effect devices
- H10D62/221—Channel regions of field-effect devices of FETs
- H10D62/235—Channel regions of field-effect devices of FETs of IGFETs
- H10D62/299—Channel regions of field-effect devices of FETs of IGFETs having lateral doping variations
- H10D62/307—Channel regions of field-effect devices of FETs of IGFETs having lateral doping variations the doping variations being parallel to the channel lengths
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/351—Substrate regions of field-effect devices
- H10D62/357—Substrate regions of field-effect devices of FETs
- H10D62/364—Substrate regions of field-effect devices of FETs of IGFETs
- H10D62/378—Contact regions to the substrate regions
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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- H10D89/10—Integrated device layouts
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0212—Manufacture or treatment of FETs having insulated gates [IGFET] using self-aligned silicidation
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- H—ELECTRICITY
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- 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
- H10D64/257—Source or drain electrodes for field-effect devices for lateral devices wherein the source or drain electrodes are characterised by top-view geometrical layouts, e.g. interdigitated, semi-circular, annular or L-shaped electrodes
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/517—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
- H10D64/519—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their top-view geometrical layouts
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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
- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
- H10D64/662—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures
- H10D64/663—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures the additional layers comprising a silicide layer contacting the layer of silicon, e.g. polycide gates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/013—Manufacturing their source or drain regions, e.g. silicided source or drain regions
- H10D84/0133—Manufacturing common source or drain regions between multiple IGFETs
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
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- Insulated Gate Type Field-Effect Transistor (AREA)
- Semiconductor Integrated Circuits (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
【解決手段】互いに平行に延在する複数のN+型ソース層9、N+型ドレイン層8を取り囲むようにP+型コンタクト層10を形成する。N+型ソース層9上、N+型ドレイン層8上及びN+型ソース層9が延在する方向と垂直方向に延在するP+型コンタクト層10上にそれぞれ金属シリサイド層9a、8a、10aを形成する。金属シリサイド層9a、8a、10a上に堆積された層間絶縁膜13に形成されたコンタクトホール14を介して、該各金属シリサイド層と接続するFinger形状のソース電極15、ドレイン電極16及び該Finger形状の各電極を取り囲むP+型コンタクト電極17を形成する。
【選択図】 図1
Description
きるコンタクトホール14も形成されない。
4 P+型分離層 5 素子分離絶縁膜 6 P型ウエル層 7 P型ボディ層
8 N+型ドレイン層 9 N+型ソース層 10 P+型コンタクト層
8a,9a,10a チタンシリサイド層 11 ゲート絶縁膜
12 ゲート電極 12a ドープドポリシリコン層 12b チタンポリサイド層 13 層間絶縁膜 14 コンタクトホール 15 ソース電極
16 ドレイン電極 17 P+型コンタクト電極 18 N+型放電層
20 LDD層 21 サイドスペーサ
30,31 パワーNLDMOSトランジスタ 32,33 ESD保護素子
34 電源 35 出力端子 36 電源 50 入出力端子
51 電源ライン 52,54,55 保護ダイオード 56 内部回路
Claims (6)
- 素子分離絶縁膜で分離された第1導電型の半導体層の表面に形成された第2導電型のウエル層と、
前記ウエル層の表面に互いに平行方向に延在する複数の第2導電型のボディ層と、
前記複数のボデイ層の表面に交互に形成された第1導電型のソース層及び第1導電型のドレイン層と、
前記素子分離絶縁膜に隣接する領域の前記ウエル層及び前記ボディ層の表面に、前記ソース層、前記ドレイン層を取り囲むように形成された第2導電型のコンタクト層と、
前記ソース層と前記ドレイン層の間の前記ボディ層上及び前記ウエル層上に跨ってゲート絶縁膜を介して形成されたゲート電極と、
前記ソース層上、前記ドレイン層上、及び前記コンタクト層のうち前記ソース層の延在する方向に垂直方向に延在する領域の該コンタクト層上のそれぞれの表面に形成された金属シリサイド層と、
前記金属シリサイド層上に堆積された層間絶縁膜に形成されたコンタクトホールを介し、前記各金属シリサイド層のそれぞれと接続される、Finger形状のソース電極、ドレイン電極、及び該ソース電極、ドレイン電極を取り囲んで形成されたコンタクト電極と、を具備することを特徴とする半導体装置。 - 前記ソース層の延在する方向と平行方向に延在する前記コンタクト層上の前記層間絶縁膜にも前記コンタクトホールが形成され、該コンタクト層が該コンタクトホールを介して前記コンタクト電極と接続されることを特徴とする請求項1に記載の半導体装置。
- 前記ソース層の延在する方向と平行方向に延在する前記コンタクト層が前記層間絶縁膜に形成された前記コンタクトホールに露出する領域及びその近傍の前記ボディ層または前記ウエル層の表面にのみ形成されることを特徴とする請求項2に記載の半導体装置。
- 前記素子分離絶縁膜に隣接する領域の前記コンタクトホール及びその近傍以外の領域の前記ボディ層または前記ウエル層に前記コンタクト層及び前記コンタクト電極と接続される第1導電型の放電層が前記ソース層と平行方向に延在して形成されたことを特徴とする請求項3に記載の半導体装置。
- 前記ソース層の延在する方向と平行方向の2辺を延在する前記コンタクト層に隣接して形成されるのが前記ソース層であることを特徴とする請求項1乃至請求項4のいずれかに記載の半導体装置。
- 前記半導体層が第2導電型の半導体基板上に形成された第1導電型のエピタキシャル層であり、前記素子分離絶縁膜の下方で第2導電型の分離層で複数の領域に分離されていることを特徴とする請求項1乃至請求項5のいずれかに記載の半導体装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011138448A JP2013008715A (ja) | 2011-06-22 | 2011-06-22 | 半導体装置 |
TW101119284A TW201308565A (zh) | 2011-06-22 | 2012-05-30 | 半導體裝置 |
CN201210201462.0A CN102842576B (zh) | 2011-06-22 | 2012-06-15 | 半导体装置 |
US13/529,774 US8692330B2 (en) | 2011-06-22 | 2012-06-21 | Semiconductor device |
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JP2011138448A JP2013008715A (ja) | 2011-06-22 | 2011-06-22 | 半導体装置 |
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JP2013008715A true JP2013008715A (ja) | 2013-01-10 |
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JP2011138448A Ceased JP2013008715A (ja) | 2011-06-22 | 2011-06-22 | 半導体装置 |
Country Status (4)
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US (1) | US8692330B2 (ja) |
JP (1) | JP2013008715A (ja) |
CN (1) | CN102842576B (ja) |
TW (1) | TW201308565A (ja) |
Cited By (4)
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WO2014112294A1 (ja) * | 2013-01-18 | 2014-07-24 | セイコーインスツル株式会社 | 半導体装置 |
WO2014112293A1 (ja) * | 2013-01-18 | 2014-07-24 | セイコーインスツル株式会社 | 半導体装置 |
WO2014136548A1 (ja) * | 2013-03-06 | 2014-09-12 | セイコーインスツル株式会社 | 半導体装置 |
WO2020261692A1 (ja) * | 2019-06-26 | 2020-12-30 | ソニーセミコンダクタソリューションズ株式会社 | 半導体装置 |
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US8981483B2 (en) * | 2013-03-28 | 2015-03-17 | Semiconductor Manufacturing International (Shanghai) Corporation | ESD protection structure and ESD protection circuit |
JP6338832B2 (ja) | 2013-07-31 | 2018-06-06 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP6600491B2 (ja) * | 2014-07-31 | 2019-10-30 | エイブリック株式会社 | Esd素子を有する半導体装置 |
US9543430B2 (en) | 2014-11-03 | 2017-01-10 | Texas Instruments Incorporated | Segmented power transistor |
CN104485361B (zh) * | 2014-12-25 | 2018-03-30 | 上海华虹宏力半导体制造有限公司 | 绝缘体上硅射频开关器件结构 |
US9748232B2 (en) * | 2014-12-31 | 2017-08-29 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor device structure and method for forming the same |
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US9680011B2 (en) * | 2015-10-29 | 2017-06-13 | Nxp Usa, Inc. | Self-adjusted isolation bias in semiconductor devices |
US10847445B2 (en) * | 2016-03-31 | 2020-11-24 | Skyworks Solutions, Inc. | Non-symmetric body contacts for field-effect transistors |
JP6640049B2 (ja) | 2016-08-02 | 2020-02-05 | 日立オートモティブシステムズ株式会社 | 電子装置 |
CN106501340B (zh) * | 2016-09-23 | 2019-07-09 | 上海小海龟科技有限公司 | 电极、离子敏感传感器、电容和离子活度的检测方法 |
JP6610508B2 (ja) * | 2016-11-09 | 2019-11-27 | 株式会社デンソー | 半導体装置 |
CN108878402B (zh) * | 2017-05-09 | 2020-09-29 | 中芯国际集成电路制造(上海)有限公司 | 半导体测试结构及晶体管漏电的测试方法 |
CN107527906B (zh) * | 2017-08-31 | 2020-02-07 | 上海华虹宏力半导体制造有限公司 | 半导体器件 |
CN112331646A (zh) * | 2020-10-19 | 2021-02-05 | 海光信息技术股份有限公司 | 用于降低电容的电路结构、静电保护电路和电子设备 |
EP4002445A1 (en) * | 2020-11-18 | 2022-05-25 | Infineon Technologies Austria AG | Device package having a lateral power transistor with segmented chip pad |
CN113345964B (zh) * | 2021-05-17 | 2022-05-10 | 杰华特微电子股份有限公司 | 一种横向双扩散晶体管 |
US11955956B2 (en) | 2022-06-08 | 2024-04-09 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor devices and circuits with increased breakdown voltage |
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-
2012
- 2012-05-30 TW TW101119284A patent/TW201308565A/zh unknown
- 2012-06-15 CN CN201210201462.0A patent/CN102842576B/zh active Active
- 2012-06-21 US US13/529,774 patent/US8692330B2/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2014112294A1 (ja) * | 2013-01-18 | 2014-07-24 | セイコーインスツル株式会社 | 半導体装置 |
WO2014112293A1 (ja) * | 2013-01-18 | 2014-07-24 | セイコーインスツル株式会社 | 半導体装置 |
JP2014138146A (ja) * | 2013-01-18 | 2014-07-28 | Seiko Instruments Inc | 半導体装置 |
JP2014138145A (ja) * | 2013-01-18 | 2014-07-28 | Seiko Instruments Inc | 半導体装置 |
KR20150109360A (ko) * | 2013-01-18 | 2015-10-01 | 세이코 인스트루 가부시키가이샤 | 반도체 장치 |
KR102082643B1 (ko) * | 2013-01-18 | 2020-02-28 | 에이블릭 가부시키가이샤 | 반도체 장치 |
WO2014136548A1 (ja) * | 2013-03-06 | 2014-09-12 | セイコーインスツル株式会社 | 半導体装置 |
JP2014175344A (ja) * | 2013-03-06 | 2014-09-22 | Seiko Instruments Inc | 半導体装置 |
KR20150125944A (ko) * | 2013-03-06 | 2015-11-10 | 세이코 인스트루 가부시키가이샤 | 반도체 장치 |
KR102158458B1 (ko) * | 2013-03-06 | 2020-09-22 | 에이블릭 가부시키가이샤 | 반도체 장치 |
WO2020261692A1 (ja) * | 2019-06-26 | 2020-12-30 | ソニーセミコンダクタソリューションズ株式会社 | 半導体装置 |
US12142547B2 (en) | 2019-06-26 | 2024-11-12 | Sony Semiconductor Solutions Corporation | Semiconductor device |
Also Published As
Publication number | Publication date |
---|---|
US8692330B2 (en) | 2014-04-08 |
TW201308565A (zh) | 2013-02-16 |
US20120326235A1 (en) | 2012-12-27 |
CN102842576B (zh) | 2015-05-13 |
CN102842576A (zh) | 2012-12-26 |
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