CN111799161A - 低压屏蔽栅场效应晶体管制作方法 - Google Patents
低压屏蔽栅场效应晶体管制作方法 Download PDFInfo
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- CN111799161A CN111799161A CN201910276469.0A CN201910276469A CN111799161A CN 111799161 A CN111799161 A CN 111799161A CN 201910276469 A CN201910276469 A CN 201910276469A CN 111799161 A CN111799161 A CN 111799161A
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000005669 field effect Effects 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000005530 etching Methods 0.000 claims abstract description 38
- 230000004888 barrier function Effects 0.000 claims abstract description 33
- 238000000227 grinding Methods 0.000 claims abstract description 22
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 21
- 239000010703 silicon Substances 0.000 claims abstract description 21
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 16
- 239000001301 oxygen Substances 0.000 claims abstract description 16
- 238000011049 filling Methods 0.000 claims abstract description 15
- 229920005591 polysilicon Polymers 0.000 claims abstract description 14
- 238000000137 annealing Methods 0.000 claims abstract description 13
- 238000002955 isolation Methods 0.000 claims abstract description 11
- 239000004065 semiconductor Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 238000001259 photo etching Methods 0.000 claims abstract description 3
- 150000002500 ions Chemical class 0.000 claims description 18
- 238000005468 ion implantation Methods 0.000 claims description 8
- -1 boron ions Chemical class 0.000 claims description 6
- 238000001039 wet etching Methods 0.000 claims description 6
- 229910052785 arsenic Inorganic materials 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 4
- 239000002019 doping agent Substances 0.000 claims 2
- 239000010410 layer Substances 0.000 description 119
- 238000012545 processing Methods 0.000 description 6
- 238000005498 polishing Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000007517 polishing process Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910016570 AlCu Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 241000293849 Cordylanthus Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- H01L29/66007—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
- H01L29/66484—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with multiple gate, at least one gate being an 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/401—Multistep manufacturing processes
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Element Separation (AREA)
Abstract
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CN201910276469.0A CN111799161B (zh) | 2019-04-08 | 2019-04-08 | 低压屏蔽栅场效应晶体管制作方法 |
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CN201910276469.0A CN111799161B (zh) | 2019-04-08 | 2019-04-08 | 低压屏蔽栅场效应晶体管制作方法 |
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CN111799161A true CN111799161A (zh) | 2020-10-20 |
CN111799161B CN111799161B (zh) | 2023-08-29 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113745100A (zh) * | 2021-07-21 | 2021-12-03 | 绍兴中芯集成电路制造股份有限公司 | 一种台面无损伤的屏蔽栅场效应晶体管的制造方法 |
CN114068683A (zh) * | 2022-01-17 | 2022-02-18 | 深圳市威兆半导体有限公司 | 屏蔽栅极金氧半场效晶体管元胞结构、晶体管及制造方法 |
CN116565012A (zh) * | 2023-07-12 | 2023-08-08 | 江西萨瑞半导体技术有限公司 | 一种sgt器件的工艺方法及sgt器件 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58154259A (ja) * | 1982-03-10 | 1983-09-13 | Nippon Denso Co Ltd | 半導体romの製造方法 |
WO2014206191A1 (zh) * | 2013-06-27 | 2014-12-31 | 无锡华润上华半导体有限公司 | 非穿通型绝缘栅双极晶体管的制造方法 |
CN105551963A (zh) * | 2015-12-25 | 2016-05-04 | 西安龙腾新能源科技发展有限公司 | 低压超结mosfet的制造方法 |
CN109427882A (zh) * | 2017-08-23 | 2019-03-05 | 深圳尚阳通科技有限公司 | 具有屏蔽栅的沟槽栅mosfet及其制造方法 |
-
2019
- 2019-04-08 CN CN201910276469.0A patent/CN111799161B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58154259A (ja) * | 1982-03-10 | 1983-09-13 | Nippon Denso Co Ltd | 半導体romの製造方法 |
WO2014206191A1 (zh) * | 2013-06-27 | 2014-12-31 | 无锡华润上华半导体有限公司 | 非穿通型绝缘栅双极晶体管的制造方法 |
CN105551963A (zh) * | 2015-12-25 | 2016-05-04 | 西安龙腾新能源科技发展有限公司 | 低压超结mosfet的制造方法 |
CN109427882A (zh) * | 2017-08-23 | 2019-03-05 | 深圳尚阳通科技有限公司 | 具有屏蔽栅的沟槽栅mosfet及其制造方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113745100A (zh) * | 2021-07-21 | 2021-12-03 | 绍兴中芯集成电路制造股份有限公司 | 一种台面无损伤的屏蔽栅场效应晶体管的制造方法 |
CN113745100B (zh) * | 2021-07-21 | 2023-12-22 | 绍兴中芯集成电路制造股份有限公司 | 一种台面无损伤的屏蔽栅场效应晶体管的制造方法 |
CN114068683A (zh) * | 2022-01-17 | 2022-02-18 | 深圳市威兆半导体有限公司 | 屏蔽栅极金氧半场效晶体管元胞结构、晶体管及制造方法 |
CN114068683B (zh) * | 2022-01-17 | 2022-04-22 | 深圳市威兆半导体有限公司 | 屏蔽栅极金氧半场效晶体管元胞结构、晶体管及制造方法 |
CN116565012A (zh) * | 2023-07-12 | 2023-08-08 | 江西萨瑞半导体技术有限公司 | 一种sgt器件的工艺方法及sgt器件 |
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