CN103715262B - 半导体装置 - Google Patents
半导体装置 Download PDFInfo
- Publication number
- CN103715262B CN103715262B CN201310449788.XA CN201310449788A CN103715262B CN 103715262 B CN103715262 B CN 103715262B CN 201310449788 A CN201310449788 A CN 201310449788A CN 103715262 B CN103715262 B CN 103715262B
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- CN
- China
- Prior art keywords
- groove
- unit area
- contact hole
- multiple unit
- semiconductor device
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- 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
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 34
- 239000010410 layer Substances 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 15
- 239000011229 interlayer Substances 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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
- H01L29/7827—Vertical transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/482—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body
- H01L23/485—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body consisting of layered constructions comprising conductive layers and insulating layers, e.g. planar contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L27/10—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 repetitive configuration
- H01L27/105—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 repetitive configuration including field-effect components
-
- 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
- H01L29/42324—Gate electrodes for transistors with a floating gate
- H01L29/42336—Gate electrodes for transistors with a floating gate with one gate at least partly formed in a trench
-
- 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
- H01L29/42372—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the conducting layer, e.g. the length, the sectional shape or the lay-out
-
- 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
-
- 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
Landscapes
- 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)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-217985 | 2012-09-28 | ||
JP2012217985A JP6077251B2 (ja) | 2012-09-28 | 2012-09-28 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103715262A CN103715262A (zh) | 2014-04-09 |
CN103715262B true CN103715262B (zh) | 2017-12-26 |
Family
ID=50384366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310449788.XA Expired - Fee Related CN103715262B (zh) | 2012-09-28 | 2013-09-27 | 半导体装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9306062B2 (zh) |
JP (1) | JP6077251B2 (zh) |
KR (1) | KR102082646B1 (zh) |
CN (1) | CN103715262B (zh) |
TW (1) | TWI591825B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6872951B2 (ja) | 2017-03-30 | 2021-05-19 | エイブリック株式会社 | 半導体装置及びその製造方法 |
JP2022015781A (ja) | 2020-07-10 | 2022-01-21 | 三菱電機株式会社 | 半導体装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6031265A (en) * | 1997-10-16 | 2000-02-29 | Magepower Semiconductor Corp. | Enhancing DMOS device ruggedness by reducing transistor parasitic resistance and by inducing breakdown near gate runners and termination area |
CN102386233A (zh) * | 2010-08-30 | 2012-03-21 | 精工电子有限公司 | 半导体器件 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3525686B2 (ja) * | 1997-07-15 | 2004-05-10 | 日産自動車株式会社 | 半導体装置とその製造方法 |
JP3502531B2 (ja) * | 1997-08-28 | 2004-03-02 | 株式会社ルネサステクノロジ | 半導体装置の製造方法 |
TW469599B (en) * | 1998-12-02 | 2001-12-21 | Infineon Technologies Ag | DRAM-cells arrangement and its production method |
JP2001102576A (ja) * | 1999-09-29 | 2001-04-13 | Sanyo Electric Co Ltd | 半導体装置 |
JP4854868B2 (ja) * | 2001-06-14 | 2012-01-18 | ローム株式会社 | 半導体装置 |
GB0122122D0 (en) * | 2001-09-13 | 2001-10-31 | Koninkl Philips Electronics Nv | Trench-gate semiconductor devices and their manufacture |
US6838722B2 (en) * | 2002-03-22 | 2005-01-04 | Siliconix Incorporated | Structures of and methods of fabricating trench-gated MIS devices |
JP2006120952A (ja) * | 2004-10-22 | 2006-05-11 | Fuji Electric Holdings Co Ltd | Mis型半導体装置 |
JP4825424B2 (ja) * | 2005-01-18 | 2011-11-30 | 株式会社東芝 | 電力用半導体装置 |
JP4890780B2 (ja) * | 2005-04-11 | 2012-03-07 | ルネサスエレクトロニクス株式会社 | 電界効果トランジスタ |
US20060273385A1 (en) * | 2005-06-06 | 2006-12-07 | M-Mos Semiconductor Sdn. Bhd. | Trenched MOSFET device with contact trenches filled with tungsten plugs |
JP2007042892A (ja) * | 2005-08-03 | 2007-02-15 | Sharp Corp | トレンチ型misfet |
US7750398B2 (en) * | 2006-09-26 | 2010-07-06 | Force-Mos Technology Corporation | Trench MOSFET with trench termination and manufacture thereof |
JP2008085278A (ja) * | 2006-09-29 | 2008-04-10 | Ricoh Co Ltd | 半導体装置及びその製造方法 |
US8022472B2 (en) * | 2007-12-04 | 2011-09-20 | Rohm Co., Ltd. | Semiconductor device and method of manufacturing semiconductor device |
JP2009188294A (ja) | 2008-02-08 | 2009-08-20 | Nec Electronics Corp | パワーmosfet |
US8067798B2 (en) * | 2008-03-31 | 2011-11-29 | Rohm Co., Ltd. | Semiconductor device |
JP5287835B2 (ja) * | 2010-04-22 | 2013-09-11 | 株式会社デンソー | 半導体装置 |
JP5630114B2 (ja) * | 2010-07-16 | 2014-11-26 | トヨタ自動車株式会社 | 炭化珪素半導体装置 |
JP6037499B2 (ja) * | 2011-06-08 | 2016-12-07 | ローム株式会社 | 半導体装置およびその製造方法 |
-
2012
- 2012-09-28 JP JP2012217985A patent/JP6077251B2/ja not_active Expired - Fee Related
-
2013
- 2013-09-11 TW TW102132790A patent/TWI591825B/zh not_active IP Right Cessation
- 2013-09-23 US US14/033,892 patent/US9306062B2/en not_active Expired - Fee Related
- 2013-09-26 KR KR1020130114434A patent/KR102082646B1/ko active IP Right Grant
- 2013-09-27 CN CN201310449788.XA patent/CN103715262B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6031265A (en) * | 1997-10-16 | 2000-02-29 | Magepower Semiconductor Corp. | Enhancing DMOS device ruggedness by reducing transistor parasitic resistance and by inducing breakdown near gate runners and termination area |
CN102386233A (zh) * | 2010-08-30 | 2012-03-21 | 精工电子有限公司 | 半导体器件 |
Also Published As
Publication number | Publication date |
---|---|
KR20140042707A (ko) | 2014-04-07 |
JP6077251B2 (ja) | 2017-02-08 |
US9306062B2 (en) | 2016-04-05 |
CN103715262A (zh) | 2014-04-09 |
JP2014072412A (ja) | 2014-04-21 |
KR102082646B1 (ko) | 2020-02-28 |
TWI591825B (zh) | 2017-07-11 |
US20140091387A1 (en) | 2014-04-03 |
TW201428969A (zh) | 2014-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20160331 Address after: Chiba County, Japan Applicant after: DynaFine Semiconductor Co.,Ltd. Address before: Chiba County, Japan Applicant before: Seiko Instruments Inc. |
|
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: Chiba County, Japan Patentee after: ABLIC Inc. Address before: Chiba County, Japan Patentee before: DynaFine Semiconductor Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20210927 |
|
CF01 | Termination of patent right due to non-payment of annual fee |