CN101320753A - 利用硅的局部氧化技术制造的双栅极结构 - Google Patents
利用硅的局部氧化技术制造的双栅极结构 Download PDFInfo
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- CN101320753A CN101320753A CNA2008101085393A CN200810108539A CN101320753A CN 101320753 A CN101320753 A CN 101320753A CN A2008101085393 A CNA2008101085393 A CN A2008101085393A CN 200810108539 A CN200810108539 A CN 200810108539A CN 101320753 A CN101320753 A CN 101320753A
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- 239000004065 semiconductor Substances 0.000 claims abstract description 31
- 238000009413 insulation Methods 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 50
- 229920005591 polysilicon Polymers 0.000 claims description 46
- 238000007254 oxidation reaction Methods 0.000 claims description 24
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 7
- 230000003628 erosive effect Effects 0.000 claims description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
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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
- H01L29/7813—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
- H01L29/66—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
- H01L29/40—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
- H01L29/40—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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/807,444 US20080296673A1 (en) | 2007-05-29 | 2007-05-29 | Double gate manufactured with locos techniques |
US11/807,444 | 2007-05-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101320753A true CN101320753A (zh) | 2008-12-10 |
CN101320753B CN101320753B (zh) | 2010-12-15 |
Family
ID=40087152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008101085393A Active CN101320753B (zh) | 2007-05-29 | 2008-05-22 | 利用硅的局部氧化技术制造的双栅极结构 |
Country Status (3)
Country | Link |
---|---|
US (2) | US20080296673A1 (zh) |
CN (1) | CN101320753B (zh) |
TW (1) | TW200847436A (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102956640A (zh) * | 2011-08-22 | 2013-03-06 | 大中积体电路股份有限公司 | 双导通半导体组件及其制作方法 |
CN103367150A (zh) * | 2012-03-30 | 2013-10-23 | 上海华虹Nec电子有限公司 | 双层多晶栅沟槽型mos晶体管的制备方法 |
CN103594348A (zh) * | 2012-08-17 | 2014-02-19 | 茂达电子股份有限公司 | 具有低密勒电容的半导体元件的制作方法 |
CN104241387A (zh) * | 2014-10-11 | 2014-12-24 | 王金 | 一种双栅极沟槽mos单元及其制备方法 |
CN104658901A (zh) * | 2015-01-23 | 2015-05-27 | 无锡同方微电子有限公司 | 一种分裂栅型沟槽mosfet的制备方法 |
CN114137377A (zh) * | 2021-10-09 | 2022-03-04 | 金波 | 一种目标分子检测晶体管传感器及其制备方法 |
CN114420564A (zh) * | 2022-03-28 | 2022-04-29 | 深圳市美浦森半导体有限公司 | 一种分离栅沟槽mos器件及其制造方法 |
CN116072716A (zh) * | 2023-04-06 | 2023-05-05 | 深圳市美浦森半导体有限公司 | 一种分离栅trench MOS器件结构及其制造方法 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101095802B1 (ko) * | 2010-01-07 | 2011-12-21 | 주식회사 하이닉스반도체 | 반도체 소자 및 그의 제조 방법 |
US8580667B2 (en) * | 2010-12-14 | 2013-11-12 | Alpha And Omega Semiconductor Incorporated | Self aligned trench MOSFET with integrated diode |
US8912595B2 (en) * | 2011-05-12 | 2014-12-16 | Nanya Technology Corp. | Trench MOS structure and method for forming the same |
CN106024607B (zh) * | 2016-05-18 | 2019-01-04 | 上海华虹宏力半导体制造有限公司 | 屏蔽栅功率mosfet的制造方法 |
US10600911B2 (en) | 2017-09-26 | 2020-03-24 | Nxp Usa, Inc. | Field-effect transistor and method therefor |
US10522677B2 (en) | 2017-09-26 | 2019-12-31 | Nxp Usa, Inc. | Field-effect transistor and method therefor |
US10424646B2 (en) | 2017-09-26 | 2019-09-24 | Nxp Usa, Inc. | Field-effect transistor and method therefor |
US10600879B2 (en) | 2018-03-12 | 2020-03-24 | Nxp Usa, Inc. | Transistor trench structure with field plate structures |
US10833174B2 (en) | 2018-10-26 | 2020-11-10 | Nxp Usa, Inc. | Transistor devices with extended drain regions located in trench sidewalls |
US10749023B2 (en) | 2018-10-30 | 2020-08-18 | Nxp Usa, Inc. | Vertical transistor with extended drain region |
US10749028B2 (en) | 2018-11-30 | 2020-08-18 | Nxp Usa, Inc. | Transistor with gate/field plate structure |
US11387348B2 (en) | 2019-11-22 | 2022-07-12 | Nxp Usa, Inc. | Transistor formed with spacer |
US11329156B2 (en) | 2019-12-16 | 2022-05-10 | Nxp Usa, Inc. | Transistor with extended drain region |
US11075110B1 (en) | 2020-03-31 | 2021-07-27 | Nxp Usa, Inc. | Transistor trench with field plate structure |
US11217675B2 (en) | 2020-03-31 | 2022-01-04 | Nxp Usa, Inc. | Trench with different transverse cross-sectional widths |
TWI762943B (zh) * | 2020-06-04 | 2022-05-01 | 新唐科技股份有限公司 | 半導體結構以及半導體結構的製造方法 |
CN111739936B (zh) * | 2020-08-07 | 2020-11-27 | 中芯集成电路制造(绍兴)有限公司 | 一种半导体器件及其形成方法 |
EP4210109A1 (en) * | 2022-01-11 | 2023-07-12 | Nexperia B.V. | Silicon chip package structure and method of manufacturing thereof |
CN114256077A (zh) * | 2022-02-28 | 2022-03-29 | 深圳市美浦森半导体有限公司 | 低压分离栅沟槽mos器件的制作方法 |
EP4276912A1 (en) * | 2022-05-10 | 2023-11-15 | Nexperia B.V. | A semiconductor device and a method of manufacturing a semiconductor device |
TWI831500B (zh) * | 2022-12-01 | 2024-02-01 | 富鼎先進電子股份有限公司 | 半導體結構及其製造方法 |
CN116487418B (zh) * | 2023-06-20 | 2023-09-08 | 合肥晶合集成电路股份有限公司 | 半导体结构及其制备方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5070032A (en) * | 1989-03-15 | 1991-12-03 | Sundisk Corporation | Method of making dense flash eeprom semiconductor memory structures |
GB9306895D0 (en) * | 1993-04-01 | 1993-05-26 | Philips Electronics Uk Ltd | A method of manufacturing a semiconductor device comprising an insulated gate field effect device |
US7033876B2 (en) * | 2001-07-03 | 2006-04-25 | Siliconix Incorporated | Trench MIS device having implanted drain-drift region and thick bottom oxide and process for manufacturing the same |
US6861701B2 (en) * | 2003-03-05 | 2005-03-01 | Advanced Analogic Technologies, Inc. | Trench power MOSFET with planarized gate bus |
CN1866479A (zh) * | 2005-05-17 | 2006-11-22 | 达晶控股有限公司 | 功率结场效应晶体管结构及其制法 |
DE112006001318T5 (de) * | 2005-05-26 | 2008-04-17 | Fairchild Semiconductor Corp. | Trench-Gate-Feldeffekttransistoren und Verfahren zum Bilden derselben |
DE112006001516T5 (de) * | 2005-06-10 | 2008-04-17 | Fairchild Semiconductor Corp. | Feldeffekttransistor mit Ladungsgleichgewicht |
-
2007
- 2007-05-29 US US11/807,444 patent/US20080296673A1/en not_active Abandoned
-
2008
- 2008-05-22 CN CN2008101085393A patent/CN101320753B/zh active Active
- 2008-05-22 TW TW097118977A patent/TW200847436A/zh unknown
-
2009
- 2009-09-18 US US12/586,257 patent/US20100015770A1/en not_active Abandoned
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102956640A (zh) * | 2011-08-22 | 2013-03-06 | 大中积体电路股份有限公司 | 双导通半导体组件及其制作方法 |
CN103367150A (zh) * | 2012-03-30 | 2013-10-23 | 上海华虹Nec电子有限公司 | 双层多晶栅沟槽型mos晶体管的制备方法 |
CN103594348A (zh) * | 2012-08-17 | 2014-02-19 | 茂达电子股份有限公司 | 具有低密勒电容的半导体元件的制作方法 |
CN104241387A (zh) * | 2014-10-11 | 2014-12-24 | 王金 | 一种双栅极沟槽mos单元及其制备方法 |
CN104241387B (zh) * | 2014-10-11 | 2018-07-27 | 徐静恒 | 一种双栅极沟槽mos单元及其制备方法 |
CN104658901A (zh) * | 2015-01-23 | 2015-05-27 | 无锡同方微电子有限公司 | 一种分裂栅型沟槽mosfet的制备方法 |
CN114137377A (zh) * | 2021-10-09 | 2022-03-04 | 金波 | 一种目标分子检测晶体管传感器及其制备方法 |
CN114420564A (zh) * | 2022-03-28 | 2022-04-29 | 深圳市美浦森半导体有限公司 | 一种分离栅沟槽mos器件及其制造方法 |
CN116072716A (zh) * | 2023-04-06 | 2023-05-05 | 深圳市美浦森半导体有限公司 | 一种分离栅trench MOS器件结构及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
US20080296673A1 (en) | 2008-12-04 |
CN101320753B (zh) | 2010-12-15 |
TW200847436A (en) | 2008-12-01 |
US20100015770A1 (en) | 2010-01-21 |
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