DE10297694T5 - Feldeffekttransistor mit einer lateralen Verarmungs-Struktur - Google Patents
Feldeffekttransistor mit einer lateralen Verarmungs-Struktur Download PDFInfo
- Publication number
- DE10297694T5 DE10297694T5 DE10297694T DE10297694T DE10297694T5 DE 10297694 T5 DE10297694 T5 DE 10297694T5 DE 10297694 T DE10297694 T DE 10297694T DE 10297694 T DE10297694 T DE 10297694T DE 10297694 T5 DE10297694 T5 DE 10297694T5
- Authority
- DE
- Germany
- Prior art keywords
- conductivity type
- semiconductor substrate
- trench
- transistor device
- area
- 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.)
- Ceased
Links
- 230000005669 field effect Effects 0.000 title claims abstract description 18
- 239000004065 semiconductor Substances 0.000 claims abstract description 79
- 239000000758 substrate Substances 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000015556 catabolic process Effects 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000009795 derivation Methods 0.000 claims description 7
- 239000003989 dielectric material Substances 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 238000005530 etching Methods 0.000 claims description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 229920005591 polysilicon Polymers 0.000 claims description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 32
- TVZRAEYQIKYCPH-UHFFFAOYSA-N 3-(trimethylsilyl)propane-1-sulfonic acid Chemical compound C[Si](C)(C)CCCS(O)(=O)=O TVZRAEYQIKYCPH-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000002800 charge carrier Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 210000000746 body region Anatomy 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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 adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/0603—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/063—Reduced surface field [RESURF] pn-junction structures
- H01L29/0634—Multiple reduced surface field (multi-RESURF) structures, e.g. double RESURF, charge compensation, cool, superjunction (SJ), 3D-RESURF, composite buffer (CB) structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/0603—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0642—Isolation within the component, i.e. internal isolation
- H01L29/0649—Dielectric regions, e.g. SiO2 regions, air gaps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/10—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 not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1095—Body region, i.e. base region, of DMOS transistors or IGBTs
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2002/010008 WO2003085722A2 (fr) | 2002-03-29 | 2002-03-29 | Transistor a effet de champ presentant une structure de depletion laterale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE10297694T5 true DE10297694T5 (de) | 2005-05-12 |
Family
ID=28789609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10297694T Ceased DE10297694T5 (de) | 2002-03-29 | 2002-03-29 | Feldeffekttransistor mit einer lateralen Verarmungs-Struktur |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2005522052A (fr) |
| CN (1) | CN100472735C (fr) |
| DE (1) | DE10297694T5 (fr) |
| WO (1) | WO2003085722A2 (fr) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008538659A (ja) * | 2005-04-22 | 2008-10-30 | アイスモス テクノロジー コーポレイション | 酸化物で内面が覆われた溝を有する超接合素子と酸化物で内面を覆われた溝を有する超接合素子を製造するための方法 |
| JP2007012977A (ja) | 2005-07-01 | 2007-01-18 | Toshiba Corp | 半導体装置 |
| JP5135759B2 (ja) * | 2006-10-19 | 2013-02-06 | 富士電機株式会社 | 超接合半導体装置の製造方法 |
| CN103762243B (zh) | 2007-09-21 | 2017-07-28 | 飞兆半导体公司 | 功率器件 |
| CN101656213B (zh) * | 2008-08-19 | 2012-09-26 | 尼克森微电子股份有限公司 | 沟槽栅金属氧化物半导体场效应晶体管及其制作方法 |
| US20120273916A1 (en) | 2011-04-27 | 2012-11-01 | Yedinak Joseph A | Superjunction Structures for Power Devices and Methods of Manufacture |
| US8836028B2 (en) | 2011-04-27 | 2014-09-16 | Fairchild Semiconductor Corporation | Superjunction structures for power devices and methods of manufacture |
| US8673700B2 (en) | 2011-04-27 | 2014-03-18 | Fairchild Semiconductor Corporation | Superjunction structures for power devices and methods of manufacture |
| US8772868B2 (en) | 2011-04-27 | 2014-07-08 | Fairchild Semiconductor Corporation | Superjunction structures for power devices and methods of manufacture |
| US8786010B2 (en) | 2011-04-27 | 2014-07-22 | Fairchild Semiconductor Corporation | Superjunction structures for power devices and methods of manufacture |
| CN103367438B (zh) * | 2012-04-01 | 2017-09-12 | 朱江 | 一种金属半导体电荷补偿的半导体装置及其制备方法 |
| JP2012160753A (ja) * | 2012-04-13 | 2012-08-23 | Denso Corp | 半導体装置の製造方法 |
| CN103390650B (zh) * | 2012-05-04 | 2017-08-08 | 朱江 | 一种具有无源金属肖特基半导体装置及其制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5283201A (en) * | 1988-05-17 | 1994-02-01 | Advanced Power Technology, Inc. | High density power device fabrication process |
| US6281547B1 (en) * | 1997-05-08 | 2001-08-28 | Megamos Corporation | Power transistor cells provided with reliable trenched source contacts connected to narrower source manufactured without a source mask |
| US6239463B1 (en) * | 1997-08-28 | 2001-05-29 | Siliconix Incorporated | Low resistance power MOSFET or other device containing silicon-germanium layer |
| DE19848828C2 (de) * | 1998-10-22 | 2001-09-13 | Infineon Technologies Ag | Halbleiterbauelement mit kleiner Durchlaßspannung und hoher Sperrfähigkeit |
| US6316806B1 (en) * | 1999-03-31 | 2001-11-13 | Fairfield Semiconductor Corporation | Trench transistor with a self-aligned source |
| US6274905B1 (en) * | 1999-06-30 | 2001-08-14 | Fairchild Semiconductor Corporation | Trench structure substantially filled with high-conductivity material |
-
2002
- 2002-03-29 CN CNB028290518A patent/CN100472735C/zh not_active Expired - Fee Related
- 2002-03-29 DE DE10297694T patent/DE10297694T5/de not_active Ceased
- 2002-03-29 JP JP2003582807A patent/JP2005522052A/ja active Pending
- 2002-03-29 WO PCT/US2002/010008 patent/WO2003085722A2/fr active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003085722A3 (fr) | 2003-11-27 |
| JP2005522052A (ja) | 2005-07-21 |
| CN1628377A (zh) | 2005-06-15 |
| CN100472735C (zh) | 2009-03-25 |
| WO2003085722A2 (fr) | 2003-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law |
Ref document number: 10297694 Country of ref document: DE Date of ref document: 20050512 Kind code of ref document: P |
|
| 8125 | Change of the main classification |
Ipc: H01L 29/78 AFI20051017BHDE |
|
| R011 | All appeals rejected, refused or otherwise settled | ||
| R003 | Refusal decision now final |
Effective date: 20131004 |