CN106298884A - 优化fom值的沟槽功率mos管器件及其制造方法 - Google Patents
优化fom值的沟槽功率mos管器件及其制造方法 Download PDFInfo
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- CN106298884A CN106298884A CN201610852023.4A CN201610852023A CN106298884A CN 106298884 A CN106298884 A CN 106298884A CN 201610852023 A CN201610852023 A CN 201610852023A CN 106298884 A CN106298884 A CN 106298884A
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- gate oxide
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Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 80
- 239000002184 metal Substances 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 62
- 229920005591 polysilicon Polymers 0.000 claims abstract description 62
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 239000004065 semiconductor Substances 0.000 claims abstract description 5
- 238000005530 etching Methods 0.000 claims description 14
- 238000001459 lithography Methods 0.000 claims description 9
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000005457 optimization Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 2
- 239000004020 conductor Substances 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000011982 device technology Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 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
- H01L29/40—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
- H01L29/42356—Disposition, e.g. buried gate electrode
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove 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
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
-
- 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
-
- 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
-
- 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
Landscapes
- 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)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610852023.4A CN106298884A (zh) | 2016-09-27 | 2016-09-27 | 优化fom值的沟槽功率mos管器件及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610852023.4A CN106298884A (zh) | 2016-09-27 | 2016-09-27 | 优化fom值的沟槽功率mos管器件及其制造方法 |
Publications (1)
Publication Number | Publication Date |
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CN106298884A true CN106298884A (zh) | 2017-01-04 |
Family
ID=57715254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610852023.4A Pending CN106298884A (zh) | 2016-09-27 | 2016-09-27 | 优化fom值的沟槽功率mos管器件及其制造方法 |
Country Status (1)
Country | Link |
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CN (1) | CN106298884A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106876450A (zh) * | 2017-03-06 | 2017-06-20 | 上海矽望电子科技有限公司 | 低栅漏电容的纵向场效应晶体管及其制造方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060049453A1 (en) * | 2002-12-14 | 2006-03-09 | Koninklijke Philips Electronics N.V. | Vertical insulated gate transistor and manufacturing method |
CN105118857A (zh) * | 2015-07-20 | 2015-12-02 | 青岛佳恩半导体有限公司 | 一种沟槽型功率mosfet的制造方法 |
CN206116404U (zh) * | 2016-09-27 | 2017-04-19 | 西安后羿半导体科技有限公司 | 优化fom值的沟槽型金属氧化物半导体场效应管器件 |
-
2016
- 2016-09-27 CN CN201610852023.4A patent/CN106298884A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060049453A1 (en) * | 2002-12-14 | 2006-03-09 | Koninklijke Philips Electronics N.V. | Vertical insulated gate transistor and manufacturing method |
CN105118857A (zh) * | 2015-07-20 | 2015-12-02 | 青岛佳恩半导体有限公司 | 一种沟槽型功率mosfet的制造方法 |
CN206116404U (zh) * | 2016-09-27 | 2017-04-19 | 西安后羿半导体科技有限公司 | 优化fom值的沟槽型金属氧化物半导体场效应管器件 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106876450A (zh) * | 2017-03-06 | 2017-06-20 | 上海矽望电子科技有限公司 | 低栅漏电容的纵向场效应晶体管及其制造方法 |
CN106876450B (zh) * | 2017-03-06 | 2023-08-29 | 济南安海半导体有限公司 | 低栅漏电容的纵向场效应晶体管及其制造方法 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20180130 Address after: Caotan economic and Technological Development Zone, eco industrial park in Shaanxi city of Xi'an province is 710000 Jilu No. 8928 Applicant after: XI'AN HUAYI MICROELECTRONICS CO.,LTD. Address before: Yanta District 710018 Shaanxi city of Xi'an province Yong song Road No. 18 Qiutao Pavilion 1 room 40501 Applicant before: HOOYI SEMICONDUCTOR CO.,LTD. |
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TA01 | Transfer of patent application right | ||
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Effective date of registration: 20180206 Address after: Caotan economic and Technological Development Zone, eco industrial park in Shaanxi city of Xi'an province is 710000 Jilu No. 8928 Applicant after: XI'AN HUAYI MICROELECTRONICS CO.,LTD. Address before: Yanta District 710018 Shaanxi city of Xi'an province Yong song Road No. 18 Qiutao Pavilion 1 room 40501 Applicant before: HOOYI SEMICONDUCTOR CO.,LTD. |
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Address after: 710000 No. 8928, Shang Ji Road, an ecological industrial park in Xi'an, Shaanxi economic and Technological Development Zone Applicant after: HUAYI MICROELECTRONICS Co.,Ltd. Address before: 710000 No. 8928, Shang Ji Road, an ecological industrial park in Xi'an, Shaanxi economic and Technological Development Zone Applicant before: XI'AN HUAYI MICROELECTRONICS CO.,LTD. |
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Application publication date: 20170104 |