JP2007266550A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2007266550A JP2007266550A JP2006093264A JP2006093264A JP2007266550A JP 2007266550 A JP2007266550 A JP 2007266550A JP 2006093264 A JP2006093264 A JP 2006093264A JP 2006093264 A JP2006093264 A JP 2006093264A JP 2007266550 A JP2007266550 A JP 2007266550A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 204
- 230000015556 catabolic process Effects 0.000 claims abstract description 50
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 239000000969 carrier Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 10
- 239000010410 layer Substances 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
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- H—ELECTRICITY
- 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
- H01L29/66—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
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7393—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET
- H01L29/7395—Vertical transistors, e.g. vertical IGBT
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- H—ELECTRICITY
- 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
- H01L29/66—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
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7803—Vertical DMOS transistors, i.e. VDMOS transistors structurally associated with at least one other device
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- H—ELECTRICITY
- 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
- H01L29/02—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
- H01L29/08—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 with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/083—Anode or cathode regions of thyristors or gated bipolar-mode devices
- H01L29/0834—Anode regions of thyristors or gated bipolar-mode devices, e.g. supplementary regions surrounding anode regions
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- H—ELECTRICITY
- 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
- H01L29/02—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
- H01L29/08—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 with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
- H01L29/0852—Source or drain regions of field-effect devices of field-effect transistors with insulated gate of DMOS transistors
- H01L29/0873—Drain regions
- H01L29/0878—Impurity concentration or distribution
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- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
【解決手段】半導体基体110,112における同一耐圧構造内に、互いに並列の関係にあるn型のIGBT102と、n型のMOSFET104とを有する半導体装置であって、MOSFET104のドレイン・ソース降伏電圧は、IGBT102のコレクタ・エミッタ降伏電圧より小さいことを特徴とする半導体装置100。IGBT102が形成されたIGBT活性領域AR(1)と、MOSFET104が形成されたMOSFET活性領域AR(2)とは、不活性領域としてのゲートフィンガーFにより分離されている。
【選択図】図1
Description
実施形態1は、本発明の半導体装置を、pn接合から少数キャリアとしてのホールを注入するタイプのIGBTに適用した場合を説明するための実施形態である。
図2は、半導体装置100の要部拡大図である。図2(a)は半導体装置100におけるIGBT102の断面図であり、図2(b)は半導体装置100におけるMOSFET104の断面図である。
実施形態2は、本発明の半導体装置を、ショットキ接合から少数キャリアとしてのホールを注入するタイプのIGBTに適用した場合を説明するための実施形態である。
図4は、半導体装置200の要部拡大図である。図4(a)は半導体装置200におけるIGBT202の断面図であり、図4(b)は半導体装置200におけるMOSFET204の断面図である。
実施形態3は、実施形態2に係る半導体装置200におけるIGBT202をノンパンチスルー型のIGBT302に代えた実施形態である。
図6は、半導体装置300の要部拡大図である。図6(a)は半導体装置300におけるIGBT302の断面図であり、図6(b)は半導体装置300におけるMOSFET304の断面図である。
また、実施形態3に係る半導体装置300においては、MOSFET304におけるn+型バッファ領域338は、コレクタ電極340との間でショットキ接合が形成されないように、IGBT302におけるn−型ドリフト領域322(1)よりも高濃度のn型不純物を含んでいる。
実施形態4は、実施形態1に係る半導体装置100におけるMOSFET104を、MOSFET104とは別の構造を有するMOSFET404に代えた実施形態である。
図8は、半導体装置400の要部拡大図である。図8(a)は半導体装置400におけるIGBT402の断面図であり、図8(b)は半導体装置400におけるMOSFET404の断面図である。
Claims (6)
- 半導体基体における同一耐圧構造内に、互いに並列の関係にある第1導電型のドリフト領域を有するIGBTと、第1導電型のドリフト領域を有するMOSFETとを有する半導体装置であって、
前記MOSFETのドレイン・ソース降伏電圧は、前記IGBTのコレクタ・エミッタ降伏電圧より小さいことを特徴とする半導体装置。 - 請求項1に記載の半導体装置において、
前記IGBTのゲート電極と前記MOSFETのゲート電極とは、同電位に接続され、
前記IGBTのエミッタ領域と前記MOSFETのソース領域とは、共通のエミッタ電極に接続され、
前記IGBTのコレクタ領域と前記MOSFETのドレイン領域とは、共通のコレクタ電極により接続され、
前記MOSFETの前記ドリフト領域の厚さは、前記IGBTの前記ドリフト領域の厚さよりも薄いことを特徴とする半導体装置。 - 請求項1又は2に記載の半導体装置において、
前記IGBTは、IGBT活性領域に形成され、
前記MOSFETは、MOSFET活性領域に形成され、
前記IGBT活性領域と前記MOSFET活性領域とは、第2導電型の不活性領域により分離されていることを特徴とする半導体装置。 - 請求項3に記載の半導体装置において、
前記不活性領域の幅は、前記IGBT活性領域におけるドリフト領域の厚さよりも大きい値を有することを特徴とする半導体装置。 - 請求項1〜4のいずれかに記載の半導体装置において、
前記IGBTは、pn接合から少数キャリアを注入するタイプのIGBTであることを特徴とする半導体装置。 - 請求項1〜4のいずれかに記載の半導体装置において、
前記IGBTは、ショットキ接合から少数キャリアを注入するタイプのIGBTであることを特徴とする半導体装置。
Priority Applications (1)
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JP2006093264A JP4989796B2 (ja) | 2006-03-30 | 2006-03-30 | 半導体装置 |
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JP2006093264A JP4989796B2 (ja) | 2006-03-30 | 2006-03-30 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
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JP2007266550A true JP2007266550A (ja) | 2007-10-11 |
JP4989796B2 JP4989796B2 (ja) | 2012-08-01 |
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JP2006093264A Expired - Fee Related JP4989796B2 (ja) | 2006-03-30 | 2006-03-30 | 半導体装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015159953A1 (ja) * | 2014-04-17 | 2015-10-22 | ローム株式会社 | 半導体装置 |
EP2560206A4 (en) * | 2010-04-15 | 2016-04-13 | Yoshitaka Sugawara | SEMICONDUCTOR COMPONENT |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0242447U (ja) * | 1988-09-19 | 1990-03-23 | ||
JPH07302898A (ja) * | 1994-05-10 | 1995-11-14 | Fuji Electric Co Ltd | Mos半導体素子およびその制御方法 |
JPH11204789A (ja) * | 1998-01-08 | 1999-07-30 | Sanken Electric Co Ltd | 絶縁ゲ−ト形トランジスタ |
JP2003133556A (ja) * | 2001-10-26 | 2003-05-09 | Shindengen Electric Mfg Co Ltd | 絶縁ゲート型バイポーラトランジスタ及びその製造方法 |
JP2006344779A (ja) * | 2005-06-09 | 2006-12-21 | Toyota Motor Corp | 半導体装置および半導体装置の制御方法 |
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2006
- 2006-03-30 JP JP2006093264A patent/JP4989796B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0242447U (ja) * | 1988-09-19 | 1990-03-23 | ||
JPH07302898A (ja) * | 1994-05-10 | 1995-11-14 | Fuji Electric Co Ltd | Mos半導体素子およびその制御方法 |
JPH11204789A (ja) * | 1998-01-08 | 1999-07-30 | Sanken Electric Co Ltd | 絶縁ゲ−ト形トランジスタ |
JP2003133556A (ja) * | 2001-10-26 | 2003-05-09 | Shindengen Electric Mfg Co Ltd | 絶縁ゲート型バイポーラトランジスタ及びその製造方法 |
JP2006344779A (ja) * | 2005-06-09 | 2006-12-21 | Toyota Motor Corp | 半導体装置および半導体装置の制御方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2560206A4 (en) * | 2010-04-15 | 2016-04-13 | Yoshitaka Sugawara | SEMICONDUCTOR COMPONENT |
WO2015159953A1 (ja) * | 2014-04-17 | 2015-10-22 | ローム株式会社 | 半導体装置 |
JP2015207588A (ja) * | 2014-04-17 | 2015-11-19 | ローム株式会社 | 半導体装置 |
US10062760B2 (en) | 2014-04-17 | 2018-08-28 | Rohm Co., Ltd. | Semiconductor device |
US10784349B2 (en) | 2014-04-17 | 2020-09-22 | Rohm Co., Ltd. | Semiconductor device |
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