JP5040387B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP5040387B2 JP5040387B2 JP2007073320A JP2007073320A JP5040387B2 JP 5040387 B2 JP5040387 B2 JP 5040387B2 JP 2007073320 A JP2007073320 A JP 2007073320A JP 2007073320 A JP2007073320 A JP 2007073320A JP 5040387 B2 JP5040387 B2 JP 5040387B2
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- JP
- Japan
- Prior art keywords
- semiconductor device
- polycrystalline silicon
- mos transistor
- silicon resistor
- drain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- H10D84/101—Integrated devices comprising main components and built-in components, e.g. IGBT having built-in freewheel diode
- H10D84/151—LDMOS having built-in components
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10D30/603—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs having asymmetry in the channel direction, e.g. lateral high-voltage MISFETs having drain offset region or extended drain IGFETs [EDMOS]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/65—Lateral DMOS [LDMOS] FETs
- H10D30/657—Lateral DMOS [LDMOS] FETs having substrates comprising insulating layers, e.g. SOI-LDMOS transistors
-
- 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
- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
- H10D84/811—Combinations of field-effect devices and one or more diodes, capacitors or resistors
- H10D84/817—Combinations of field-effect devices and resistors only
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10D62/124—Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
- H10D62/126—Top-view geometrical layouts of the regions or the junctions
- H10D62/127—Top-view geometrical layouts of the regions or the junctions of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
-
- 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
- H10D64/20—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
-
- 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
- H10D64/20—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
- H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
- H10D64/516—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
-
- 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
- H10D64/605—Source, drain, or gate electrodes for FETs comprising highly resistive materials
-
- 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
- H10D64/661—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
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
- Thin Film Transistor (AREA)
- Semiconductor Integrated Circuits (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
10 半導体基板
21,21a,22,23 横型MOSトランジスタ(LDMOS)
11,13 ゲート電極
11a シリサイド層
6,6a ドリフト領域
50,51,53,54 多結晶シリコン抵抗体
4 LOCOS酸化膜
4a 絶縁膜
15 層間絶縁膜
16 配線層
17 側壁酸化膜
18 多結晶シリコン
Claims (8)
- 半導体基板の表層部に、横型MOSトランジスタが形成されてなる半導体装置であって、
前記横型MOSトランジスタのゲート駆動信号ラインに、前記横型MOSトランジスタのドレインと逆の導電型の多結晶シリコン抵抗体が挿入配置され、
絶縁膜を介して、前記横型MOSトランジスタのドレイン電圧が前記多結晶シリコン抵抗体に印加される半導体装置であり、
前記絶縁膜が、前記横型MOSトランジスタのドレインのドリフト領域上に形成され、
前記多結晶シリコン抵抗体が、前記絶縁膜上に配置されてなることを特徴とする半導体装置。 - 前記絶縁膜が、LOCOS酸化膜であることを特徴とする請求項1に記載の半導体装置。
- 前記多結晶シリコン抵抗体が、前記半導体基板における前記横型MOSトランジスタの形成領域の外周部に配置されてなることを特徴とする請求項2に記載の半導体装置。
- 半導体基板の表層部に、横型MOSトランジスタが形成されてなる半導体装置であって、
前記横型MOSトランジスタのゲート駆動信号ラインに、前記横型MOSトランジスタのドレインと逆の導電型の多結晶シリコン抵抗体が挿入配置され、
絶縁膜を介して、前記横型MOSトランジスタのドレイン電圧が前記多結晶シリコン抵抗体に印加される半導体装置であり、
前記絶縁膜が、前記横型MOSトランジスタのドレインのドリフト領域に形成されたトレンチの側壁絶縁膜であり、
前記多結晶シリコン抵抗体が、前記側壁絶縁膜を介して前記トレンチ内に埋め込まれた多結晶シリコンであることを特徴とする半導体装置。 - 前記多結晶シリコン抵抗体と前記横型MOSトランジスタの多結晶シリコンからなるゲート電極が、配線により接続されてなることを特徴とする請求項1乃至4のいずれか一項に記載の半導体装置。
- 前記多結晶シリコン抵抗体と前記横型MOSトランジスタの多結晶シリコンからなるゲート電極が、一体的に形成されてなることを特徴とする請求項1乃至3のいずれか一項に記載の半導体装置。
- 前記多結晶シリコン抵抗体と前記ゲート電極が、異なる導電型であり、
前記多結晶シリコン抵抗体の一部と前記ゲート電極に当接して、シリサイド層または金属層が形成されてなることを特徴とする請求項6に記載の半導体装置。 - 前記多結晶シリコン抵抗体と前記ゲート電極が、同じ導電型であることを特徴とする請求項6に記載の半導体装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007073320A JP5040387B2 (ja) | 2007-03-20 | 2007-03-20 | 半導体装置 |
US12/071,411 US8022477B2 (en) | 2007-03-20 | 2008-02-21 | Semiconductor apparatus having lateral type MIS transistor |
DE102008014338.3A DE102008014338B4 (de) | 2007-03-20 | 2008-03-14 | Halbleitervorrichtung mit MIS-Transistor des lateralen Typs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007073320A JP5040387B2 (ja) | 2007-03-20 | 2007-03-20 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008235592A JP2008235592A (ja) | 2008-10-02 |
JP5040387B2 true JP5040387B2 (ja) | 2012-10-03 |
Family
ID=39713375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007073320A Expired - Fee Related JP5040387B2 (ja) | 2007-03-20 | 2007-03-20 | 半導体装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8022477B2 (ja) |
JP (1) | JP5040387B2 (ja) |
DE (1) | DE102008014338B4 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
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US8269312B2 (en) * | 2008-06-05 | 2012-09-18 | Rohm Co., Ltd. | Semiconductor device with resistive element |
US8232603B2 (en) * | 2009-03-19 | 2012-07-31 | International Business Machines Corporation | Gated diode structure and method including relaxed liner |
WO2014034063A1 (ja) * | 2012-08-30 | 2014-03-06 | 株式会社デンソー | 半導体装置 |
US9041120B2 (en) * | 2013-07-25 | 2015-05-26 | Infineon Technologies Ag | Power MOS transistor with integrated gate-resistor |
JP6038745B2 (ja) * | 2013-08-22 | 2016-12-07 | 株式会社東芝 | ダイオード回路およびdc−dcコンバータ |
JP6318786B2 (ja) * | 2014-04-04 | 2018-05-09 | セイコーエプソン株式会社 | 半導体装置及びその製造方法 |
US20160260704A1 (en) * | 2015-03-04 | 2016-09-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | High Voltage Device with a Parallel Resistor |
JP6363542B2 (ja) * | 2015-03-17 | 2018-07-25 | 株式会社日立製作所 | 半導体装置、半導体装置の製造方法および回路システム |
JP2017045797A (ja) * | 2015-08-25 | 2017-03-02 | 三菱電機株式会社 | トランジスタ素子及び半導体装置 |
JP6421784B2 (ja) * | 2016-04-28 | 2018-11-14 | 株式会社豊田中央研究所 | 半導体装置 |
IT201600130185A1 (it) * | 2016-12-22 | 2018-06-22 | St Microelectronics Srl | Procedimento di fabbricazione di un dispositivo a semiconduttore integrante un transistore a conduzione verticale, e dispositivo a semiconduttore |
CN108281484A (zh) * | 2017-01-05 | 2018-07-13 | 旺宏电子股份有限公司 | 横向扩散金属氧化物半导体晶体管及其制作方法 |
KR20220052395A (ko) * | 2020-10-20 | 2022-04-28 | 삼성전자주식회사 | 집적 회로 및 이를 포함하는 반도체 장치 |
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JP4899292B2 (ja) | 2004-04-21 | 2012-03-21 | 富士電機株式会社 | 半導体装置 |
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-
2007
- 2007-03-20 JP JP2007073320A patent/JP5040387B2/ja not_active Expired - Fee Related
-
2008
- 2008-02-21 US US12/071,411 patent/US8022477B2/en not_active Expired - Fee Related
- 2008-03-14 DE DE102008014338.3A patent/DE102008014338B4/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE102008014338A1 (de) | 2008-09-25 |
US20080230834A1 (en) | 2008-09-25 |
JP2008235592A (ja) | 2008-10-02 |
US8022477B2 (en) | 2011-09-20 |
DE102008014338B4 (de) | 2018-07-26 |
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