JP5040387B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- 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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- semiconductor device
- polycrystalline silicon
- mos transistor
- silicon resistor
- drain
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- 239000004065 semiconductor Substances 0.000 title claims description 181
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 111
- 239000010410 layer Substances 0.000 claims description 31
- 239000000758 substrate Substances 0.000 claims description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 239000002344 surface layer Substances 0.000 claims description 8
- 229910021332 silicide Inorganic materials 0.000 claims description 6
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000012212 insulator Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 239000000969 carrier Substances 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7816—Lateral DMOS transistors, i.e. LDMOS transistors
- H01L29/7817—Lateral DMOS transistors, i.e. LDMOS transistors structurally associated with at least one other device
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- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/06—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
- H01L27/07—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration the components having an active region in common
- H01L27/0705—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration the components having an active region in common comprising components of the field effect type
- H01L27/0727—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration the components having an active region in common comprising components of the field effect type in combination with diodes, or capacitors or resistors
- H01L27/0738—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration the components having an active region in common comprising components of the field effect type in combination with diodes, or capacitors or resistors in combination with resistors only
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7816—Lateral DMOS transistors, i.e. LDMOS transistors
- H01L29/7824—Lateral DMOS transistors, i.e. LDMOS transistors with a substrate comprising an insulating layer, e.g. SOI-LDMOS transistors
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7833—Field effect transistors with field effect produced by an insulated gate with lightly doped drain or source extension, e.g. LDD MOSFET's; DDD MOSFET's
- H01L29/7835—Field effect transistors with field effect produced by an insulated gate with lightly doped drain or source extension, e.g. LDD MOSFET's; DDD MOSFET's with asymmetrical source and drain regions, e.g. lateral high-voltage MISFETs with drain offset region, extended drain MISFETs
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0684—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
- H01L29/0692—Surface layout
- H01L29/0696—Surface layout of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41758—Source or drain electrodes for field effect devices for lateral devices with structured layout for source or drain region, i.e. the source or drain region having cellular, interdigitated or ring structure or being curved or angular
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42364—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity
- H01L29/42368—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity the thickness being non-uniform
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/435—Resistive materials for field effect devices, e.g. resistive gate for MOSFET or MESFET
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/49—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET
- H01L29/4916—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen
- H01L29/4925—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement
- H01L29/4933—Metal-insulator-semiconductor electrodes, e.g. gates of MOSFET the conductor material next to the insulator being a silicon layer, e.g. polysilicon doped with boron, phosphorus or nitrogen with a multiple layer structure, e.g. several silicon layers with different crystal structure or grain arrangement with a silicide layer contacting the silicon layer, e.g. Polycide gate
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- 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 |
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JP2008235592A JP2008235592A (ja) | 2008-10-02 |
JP5040387B2 true JP5040387B2 (ja) | 2012-10-03 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007073320A Expired - Fee Related JP5040387B2 (ja) | 2007-03-20 | 2007-03-20 | 半導体装置 |
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US (1) | US8022477B2 (ja) |
JP (1) | JP5040387B2 (ja) |
DE (1) | DE102008014338B4 (ja) |
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CN104604134B (zh) * | 2012-08-30 | 2017-06-30 | 株式会社电装 | 半导体装置 |
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 |
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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 |
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JP3935042B2 (ja) | 2002-04-26 | 2007-06-20 | 株式会社東芝 | 絶縁ゲート型半導体装置 |
DE10255116B4 (de) * | 2002-11-26 | 2015-04-02 | Infineon Technologies Ag | LDMOS-Transistor und Verfahren zu dessen Herstellung |
JP4449772B2 (ja) * | 2004-04-09 | 2010-04-14 | 株式会社デンソー | パワー半導体スイッチング素子及びそれを用いた半導体パワーモジュール |
JP4899292B2 (ja) | 2004-04-21 | 2012-03-21 | 富士電機株式会社 | 半導体装置 |
JP4534714B2 (ja) * | 2004-10-22 | 2010-09-01 | 株式会社デンソー | チャージアンプ回路 |
JP4654374B2 (ja) | 2005-01-31 | 2011-03-16 | コクヨ株式会社 | 家具 |
US7671636B2 (en) * | 2006-03-22 | 2010-03-02 | Denso Corporation | Switching circuit and driving circuit for transistor |
JP4858253B2 (ja) * | 2006-07-27 | 2012-01-18 | 株式会社デンソー | トランジスタの駆動回路 |
-
2007
- 2007-03-20 JP JP2007073320A patent/JP5040387B2/ja not_active Expired - Fee Related
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2008
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DE102008014338A1 (de) | 2008-09-25 |
DE102008014338B4 (de) | 2018-07-26 |
US8022477B2 (en) | 2011-09-20 |
JP2008235592A (ja) | 2008-10-02 |
US20080230834A1 (en) | 2008-09-25 |
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