CN106206322B - 自对准低压超结mosfet的制造方法 - Google Patents
自对准低压超结mosfet的制造方法 Download PDFInfo
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- CN106206322B CN106206322B CN201610783170.0A CN201610783170A CN106206322B CN 106206322 B CN106206322 B CN 106206322B CN 201610783170 A CN201610783170 A CN 201610783170A CN 106206322 B CN106206322 B CN 106206322B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 44
- 229920005591 polysilicon Polymers 0.000 claims abstract description 35
- 238000005530 etching Methods 0.000 claims abstract description 24
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 17
- 230000001413 cellular effect Effects 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 230000003647 oxidation Effects 0.000 claims description 17
- 238000007254 oxidation reaction Methods 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000001259 photo etching Methods 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 238000001039 wet etching Methods 0.000 claims description 7
- 238000001312 dry etching Methods 0.000 claims description 6
- 238000005137 deposition process Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000009279 wet oxidation reaction Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000000926 separation method Methods 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
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
- H01L29/66007—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
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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)
- Electrodes Of Semiconductors (AREA)
Abstract
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Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610783170.0A CN106206322B (zh) | 2016-08-30 | 2016-08-30 | 自对准低压超结mosfet的制造方法 |
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CN201610783170.0A CN106206322B (zh) | 2016-08-30 | 2016-08-30 | 自对准低压超结mosfet的制造方法 |
Publications (2)
Publication Number | Publication Date |
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CN106206322A CN106206322A (zh) | 2016-12-07 |
CN106206322B true CN106206322B (zh) | 2019-06-21 |
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CN201610783170.0A Active CN106206322B (zh) | 2016-08-30 | 2016-08-30 | 自对准低压超结mosfet的制造方法 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106920752A (zh) * | 2017-03-15 | 2017-07-04 | 西安龙腾新能源科技发展有限公司 | 低压超结mosfet栅源氧化层结构及制造方法 |
CN107731833B (zh) * | 2017-08-31 | 2018-12-14 | 长江存储科技有限责任公司 | 一种阵列共源极填充结构及其制备方法 |
CN108091573B (zh) * | 2017-12-20 | 2020-12-18 | 西安龙腾新能源科技发展有限公司 | 屏蔽栅沟槽mosfet esd结构的制造方法 |
CN108364870B (zh) * | 2018-01-23 | 2021-03-02 | 龙腾半导体股份有限公司 | 改善栅极氧化层质量的屏蔽栅沟槽mosfet制造方法 |
CN108735605A (zh) * | 2018-01-23 | 2018-11-02 | 西安龙腾新能源科技发展有限公司 | 改善沟槽底部场板形貌的屏蔽栅沟槽mosfet制造方法 |
CN113299599B (zh) * | 2021-04-07 | 2024-07-05 | 上海芯导电子科技股份有限公司 | 一种自对准的场效应晶体管及其制备方法 |
CN113471078A (zh) * | 2021-06-11 | 2021-10-01 | 上海格瑞宝电子有限公司 | 一种sgt-mosfet及其制造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103137698A (zh) * | 2011-11-23 | 2013-06-05 | 力士科技股份有限公司 | 一种金属氧化物半导体场效应晶体管及制造方法 |
CN105655402A (zh) * | 2016-03-31 | 2016-06-08 | 西安龙腾新能源科技发展有限公司 | 低压超结mosfet终端结构及其制造方法 |
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2016
- 2016-08-30 CN CN201610783170.0A patent/CN106206322B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103137698A (zh) * | 2011-11-23 | 2013-06-05 | 力士科技股份有限公司 | 一种金属氧化物半导体场效应晶体管及制造方法 |
CN105655402A (zh) * | 2016-03-31 | 2016-06-08 | 西安龙腾新能源科技发展有限公司 | 低压超结mosfet终端结构及其制造方法 |
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Address after: 710021 export processing zone, No. twelve, 1 road, Fengcheng, Shaanxi, Xi'an Patentee after: Longteng Semiconductor Co., Ltd. Address before: 710021 export processing zone, No. twelve, 1 road, Fengcheng, Shaanxi, Xi'an Patentee before: Xi'an Lonten Renewable Energy Technology Inc. |
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Address after: 710021 export processing zone, No. twelve, 1 road, Fengcheng, Shaanxi, Xi'an Patentee after: Longteng Semiconductor Co., Ltd Address before: 710021 export processing zone, No. twelve, 1 road, Fengcheng, Shaanxi, Xi'an Patentee before: LONTEN SEMICONDUCTOR Co.,Ltd. |
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