JP5336738B2 - パワー半導体デバイスおよびその製造方法 - Google Patents
パワー半導体デバイスおよびその製造方法 Download PDFInfo
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- JP5336738B2 JP5336738B2 JP2007539209A JP2007539209A JP5336738B2 JP 5336738 B2 JP5336738 B2 JP 5336738B2 JP 2007539209 A JP2007539209 A JP 2007539209A JP 2007539209 A JP2007539209 A JP 2007539209A JP 5336738 B2 JP5336738 B2 JP 5336738B2
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- 239000004065 semiconductor Substances 0.000 title claims description 66
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 claims description 23
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 13
- 229910021332 silicide Inorganic materials 0.000 claims description 10
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 239000002019 doping agent Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 239000007943 implant Substances 0.000 description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Images
Classifications
-
- 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
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/402—Field plates
- H01L29/407—Recessed field plates, e.g. trench field plates, buried field plates
-
- 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66712—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/66734—Vertical DMOS transistors, i.e. VDMOS transistors with a step of recessing the gate electrode, e.g. to form a trench gate electrode
-
- 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
- H01L29/7811—Vertical DMOS transistors, i.e. VDMOS transistors with an edge termination structure
-
- 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
- H01L29/40—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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Element Separation (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
12 半導体基板
14 半導体層
16 ドリフト領域
18 チャネル領域
20 導電領域
22 ゲートトレンチ
24 ゲート充填酸化物層
25 ゲート電極
28 ゲート酸化膜
30 第1の電極
32 シリサイド層
34 第2の電極
36 フィールドレリーフトレンチ
38 フィールド充填酸化物層
40 凹部
42 フィールド電極
44 高導電領域
46 チャネルインプラント領域
48 パッド酸化物層
50 マスク
52 犠牲層
54 酸化物層
56 窒化物層
58 スペーサ
60 ゲート保護マスク
62 ポリシリコン層
64 TEOS層
66 ゲート保護マスク
Claims (10)
- P型またはN型の導電型を有するドリフト領域、およびこのドリフト領域の上にあって、当該ドリフト領域と反対の導電型を有するチャネル領域を含む半導体層と、
前記チャネル領域上のシリサイド層と、
前記チャネル領域を貫通して前記半導体層に形成されたゲートトレンチと、
前記ゲートトレンチの底部に形成されたゲート充填酸化物層と、
前記ゲート充填酸化物層と前記ドリフト領域との間に配置された犠牲層と、
前記ゲート充填酸化物層上に形成されたゲート電極と、
前記ゲートトレンチの側壁と前記ゲート電極の間に挾まれたゲート酸化膜と
を備え、
前記ゲート充填酸化物層は、前記ゲート酸化膜および前記犠牲層よりも密度が小さい
ことを特徴とするパワー半導体デバイス。 - 前記ゲート充填酸化物層は、TEOS(テトラエトキシシラン)からなることを特徴とする請求項1記載のパワー半導体デバイス。
- 凹部をもつフィールド充填酸化物層と、前記凹部に一部が収容された断面T字形の電極とを有するフィールドレリーフトレンチをさらに備えることを特徴とする請求項1記載のパワー半導体デバイス。
- 前記断面T字形の電極と電気的に接続されたソース電極をさらに備えることを特徴とする請求項3記載のパワー半導体デバイス。
- 前記シリサイド層の一部は、前記半導体層と前記ソース電極との間に形成されることを特徴とする請求項4記載のパワー半導体デバイス。
- 前記シリサイド層の一部は、前記断面T字形の電極と前記ソース電極との間に形成されることを特徴とする請求項4記載のパワー半導体デバイス。
- フィールド充填酸化物層、およびこのフィールド充填酸化物層内に形成された断面T字形の電極を有するフィールドレリーフトレンチと、前記チャネル領域と同一の導電型をもち、かつチャネル領域の側方に形成された高導電領域と、前記断面T字形の電極および前記高導電領域と電気的に接続されたソース電極とをさらに備えることを特徴とする請求項1記載のパワー半導体デバイス。
- 前記ゲート電極を覆う酸化物キャップをさらに備えることを特徴とする請求項1記載のパワー半導体デバイス。
- 半導体層に、ゲートトレンチを形成する工程と、
前記ゲートトレンチの底部に犠牲層を成長させる工程と、
前記ゲートトレンチの底部の前記犠牲層上にゲート充填酸化物層を蒸着する工程と、
前記ゲート充填酸化物層上方の前記犠牲層を除去する工程と、
前記ゲート充填酸化物層上方の前記ゲートトレンチの側壁にゲート酸化膜を成長させる工程と、
前記ゲート充填酸化物層上において、前記ゲートトレンチの側壁との間に前記ゲート酸化膜を挟むようにゲート電極を形成する工程と、
前記半導体層上にシリサイド層を形成する工程と
を含み、
前記ゲート充填酸化物層は、前記ゲート酸化膜および前記犠牲層よりも密度が小さい
ことを特徴とするパワー半導体デバイスの製造方法。 - フィールドレリーフトレンチを形成する工程と、
前記フィールドレリーフトレンチの底部に犠牲層を成長させる工程と、
前記フィールドレリーフトレンチの底部の前記犠牲層上にフィールド充填酸化物層を蒸着する工程と、
前記フィールド充填酸化物層を覆うように、前記フィールドレリーフトレンチの側壁にスペーサを形成する工程と、
前記フィールド充填酸化物層に凹部を形成するため、このフィールド充填酸化物層の一部を除去する工程とをさらに含むことを特徴とする請求項9記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62367904P | 2004-10-29 | 2004-10-29 | |
US60/623,679 | 2004-10-29 | ||
US11/261,896 | 2005-10-28 | ||
US11/261,896 US7371641B2 (en) | 2004-10-29 | 2005-10-28 | Method of making a trench MOSFET with deposited oxide |
PCT/US2005/039132 WO2006050192A2 (en) | 2004-10-29 | 2005-10-31 | Trench mosfet with deposited oxide |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008519436A JP2008519436A (ja) | 2008-06-05 |
JP5336738B2 true JP5336738B2 (ja) | 2013-11-06 |
Family
ID=36260822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007539209A Active JP5336738B2 (ja) | 2004-10-29 | 2005-10-31 | パワー半導体デバイスおよびその製造方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7371641B2 (ja) |
JP (1) | JP5336738B2 (ja) |
CN (1) | CN101164149B (ja) |
WO (1) | WO2006050192A2 (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7400014B2 (en) | 2004-04-20 | 2008-07-15 | International Rectifier Corporation | ACCUFET with schottky source contact |
US9685524B2 (en) | 2005-03-11 | 2017-06-20 | Vishay-Siliconix | Narrow semiconductor trench structure |
TWI489557B (zh) | 2005-12-22 | 2015-06-21 | Vishay Siliconix | 高移動率p-通道溝槽及平面型空乏模式的功率型金屬氧化物半導體場效電晶體 |
US8409954B2 (en) * | 2006-03-21 | 2013-04-02 | Vishay-Silconix | Ultra-low drain-source resistance power MOSFET |
JP4600936B2 (ja) * | 2007-06-20 | 2010-12-22 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
US20100013009A1 (en) * | 2007-12-14 | 2010-01-21 | James Pan | Structure and Method for Forming Trench Gate Transistors with Low Gate Resistance |
CN101770956B (zh) * | 2009-01-07 | 2012-09-19 | 尼克森微电子股份有限公司 | 功率金属氧化物半导体场效应晶体管及其制造方法 |
CN102184959B (zh) * | 2011-04-25 | 2016-03-02 | 上海华虹宏力半导体制造有限公司 | 功率mos管及其制造方法 |
CN102420152A (zh) * | 2011-04-29 | 2012-04-18 | 上海华力微电子有限公司 | 一种用于功率器件在线控制沟槽剩余氧化硅厚度的方法 |
US8502302B2 (en) * | 2011-05-02 | 2013-08-06 | Alpha And Omega Semiconductor Incorporated | Integrating Schottky diode into power MOSFET |
MY162310A (en) | 2011-06-02 | 2017-05-31 | Silterra Malaysia Sdn Bhd | Method for fabricating a bottom oxide layer in a trench |
US9412883B2 (en) | 2011-11-22 | 2016-08-09 | Taiwan Semiconductor Manufacturing Company, Ltd. | Methods and apparatus for MOS capacitors in replacement gate process |
EP2693639B1 (en) * | 2012-07-30 | 2015-09-09 | Nxp B.V. | Cascoded semiconductor devices |
US20140110777A1 (en) | 2012-10-18 | 2014-04-24 | United Microelectronics Corp. | Trench gate metal oxide semiconductor field effect transistor and fabricating method thereof |
TW201423869A (zh) * | 2012-12-13 | 2014-06-16 | Anpec Electronics Corp | 溝渠式電晶體的製作方法 |
JP5902116B2 (ja) * | 2013-03-25 | 2016-04-13 | 株式会社東芝 | 半導体装置 |
JP2014207403A (ja) | 2013-04-16 | 2014-10-30 | 住友電気工業株式会社 | 炭化珪素半導体装置の製造方法 |
JP6131689B2 (ja) | 2013-04-16 | 2017-05-24 | 住友電気工業株式会社 | 炭化珪素半導体装置の製造方法 |
DE102015202764B4 (de) | 2015-02-16 | 2018-05-30 | Infineon Technologies Austria Ag | Verfahren zur Herstellung einer Graben-Halbleitervorrichtung mit einem Isolierblock in einem Halbleitergraben und Halbleitervorrichtung |
TWI706452B (zh) * | 2019-04-11 | 2020-10-01 | 台灣茂矽電子股份有限公司 | 閘結構之製造方法及閘結構 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07235672A (ja) * | 1994-02-21 | 1995-09-05 | Mitsubishi Electric Corp | 絶縁ゲート型半導体装置およびその製造方法 |
US6051468A (en) * | 1997-09-15 | 2000-04-18 | Magepower Semiconductor Corp. | Method of forming a semiconductor structure with uniform threshold voltage and punch-through tolerance |
US6413822B2 (en) * | 1999-04-22 | 2002-07-02 | Advanced Analogic Technologies, Inc. | Super-self-aligned fabrication process of trench-gate DMOS with overlying device layer |
US6291298B1 (en) * | 1999-05-25 | 2001-09-18 | Advanced Analogic Technologies, Inc. | Process of manufacturing Trench gate semiconductor device having gate oxide layer with multiple thicknesses |
GB9917099D0 (en) * | 1999-07-22 | 1999-09-22 | Koninkl Philips Electronics Nv | Cellular trench-gate field-effect transistors |
US6089375A (en) * | 1999-08-16 | 2000-07-18 | Johnson; Caroline A. | Composite food and condiment container |
JP4073176B2 (ja) * | 2001-04-02 | 2008-04-09 | 新電元工業株式会社 | 半導体装置およびその製造方法 |
US6709930B2 (en) * | 2002-06-21 | 2004-03-23 | Siliconix Incorporated | Thicker oxide formation at the trench bottom by selective oxide deposition |
US7045859B2 (en) * | 2001-09-05 | 2006-05-16 | International Rectifier Corporation | Trench fet with self aligned source and contact |
US6674124B2 (en) * | 2001-11-15 | 2004-01-06 | General Semiconductor, Inc. | Trench MOSFET having low gate charge |
TWI248136B (en) * | 2002-03-19 | 2006-01-21 | Infineon Technologies Ag | Method for fabricating a transistor arrangement having trench transistor cells having a field electrode |
JP2003282744A (ja) | 2002-03-22 | 2003-10-03 | Seiko Epson Corp | 不揮発性記憶装置 |
JP3788958B2 (ja) * | 2002-07-19 | 2006-06-21 | 三菱電機株式会社 | 絶縁ゲート型半導体装置 |
JP2004111663A (ja) * | 2002-09-19 | 2004-04-08 | Sanyo Electric Co Ltd | 絶縁ゲート型半導体装置およびその製造方法 |
-
2005
- 2005-10-28 US US11/261,896 patent/US7371641B2/en active Active
- 2005-10-31 JP JP2007539209A patent/JP5336738B2/ja active Active
- 2005-10-31 WO PCT/US2005/039132 patent/WO2006050192A2/en active Application Filing
- 2005-10-31 CN CN2005800375514A patent/CN101164149B/zh not_active Expired - Fee Related
-
2008
- 2008-04-03 US US12/080,453 patent/US8106446B2/en active Active
Also Published As
Publication number | Publication date |
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US20060091456A1 (en) | 2006-05-04 |
CN101164149B (zh) | 2010-11-03 |
US8106446B2 (en) | 2012-01-31 |
US20080185642A1 (en) | 2008-08-07 |
WO2006050192A3 (en) | 2007-12-27 |
JP2008519436A (ja) | 2008-06-05 |
WO2006050192A2 (en) | 2006-05-11 |
CN101164149A (zh) | 2008-04-16 |
US7371641B2 (en) | 2008-05-13 |
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