CN109244070B - 一种电压抑制器及其制备方法 - Google Patents
一种电压抑制器及其制备方法 Download PDFInfo
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- CN109244070B CN109244070B CN201811114860.2A CN201811114860A CN109244070B CN 109244070 B CN109244070 B CN 109244070B CN 201811114860 A CN201811114860 A CN 201811114860A CN 109244070 B CN109244070 B CN 109244070B
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- 238000002360 preparation method Methods 0.000 title abstract description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 210000000746 body region Anatomy 0.000 claims abstract description 34
- 229920005591 polysilicon Polymers 0.000 claims description 39
- 239000002184 metal Substances 0.000 claims description 31
- 238000005530 etching Methods 0.000 claims description 13
- 150000002500 ions Chemical class 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 238000001312 dry etching Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000005669 field effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000000927 vapour-phase epitaxy Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004943 liquid phase epitaxy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000348 solid-phase epitaxy Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
- H01L27/0266—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using field effect transistors as protective elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
- H01L27/0255—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices using diodes as protective elements
-
- 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
- H01L29/66666—Vertical 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
- H01L29/7827—Vertical transistors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811114860.2A CN109244070B (zh) | 2018-09-25 | 2018-09-25 | 一种电压抑制器及其制备方法 |
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CN201811114860.2A CN109244070B (zh) | 2018-09-25 | 2018-09-25 | 一种电压抑制器及其制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN109244070A CN109244070A (zh) | 2019-01-18 |
CN109244070B true CN109244070B (zh) | 2020-12-22 |
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CN201811114860.2A Active CN109244070B (zh) | 2018-09-25 | 2018-09-25 | 一种电压抑制器及其制备方法 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4686551A (en) * | 1982-11-27 | 1987-08-11 | Nissan Motor Co., Ltd. | MOS transistor |
US6140678A (en) * | 1995-06-02 | 2000-10-31 | Siliconix Incorporated | Trench-gated power MOSFET with protective diode |
US6355508B1 (en) * | 1998-09-02 | 2002-03-12 | Micron Technology, Inc. | Method for forming electrostatic discharge protection device having a graded junction |
WO2012036165A1 (ja) * | 2010-09-15 | 2012-03-22 | ローム株式会社 | 半導体素子 |
CN106887425A (zh) * | 2015-12-16 | 2017-06-23 | 格罗方德半导体公司 | 用于电熔丝的静电放电保护结构 |
CN107104146A (zh) * | 2015-10-30 | 2017-08-29 | 美格纳半导体有限公司 | 功率金属氧化物半导体场效应晶体管及其制造方法 |
CN108649028A (zh) * | 2018-05-22 | 2018-10-12 | 湖南大学 | 静电保护器件 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9035363B2 (en) * | 2012-02-21 | 2015-05-19 | Robert Newton Rountree | JFET ESD protection circuit for low voltage applications |
CN107644913B (zh) * | 2017-09-22 | 2020-06-26 | 西安电子科技大学 | 一种具有高k电荷补偿纵向双扩散金属氧化物元素半导体场效应晶体管 |
-
2018
- 2018-09-25 CN CN201811114860.2A patent/CN109244070B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4686551A (en) * | 1982-11-27 | 1987-08-11 | Nissan Motor Co., Ltd. | MOS transistor |
US6140678A (en) * | 1995-06-02 | 2000-10-31 | Siliconix Incorporated | Trench-gated power MOSFET with protective diode |
US6355508B1 (en) * | 1998-09-02 | 2002-03-12 | Micron Technology, Inc. | Method for forming electrostatic discharge protection device having a graded junction |
WO2012036165A1 (ja) * | 2010-09-15 | 2012-03-22 | ローム株式会社 | 半導体素子 |
CN107104146A (zh) * | 2015-10-30 | 2017-08-29 | 美格纳半导体有限公司 | 功率金属氧化物半导体场效应晶体管及其制造方法 |
CN106887425A (zh) * | 2015-12-16 | 2017-06-23 | 格罗方德半导体公司 | 用于电熔丝的静电放电保护结构 |
CN108649028A (zh) * | 2018-05-22 | 2018-10-12 | 湖南大学 | 静电保护器件 |
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Effective date of registration: 20201202 Address after: Zhuang Shi Cun, Fengqiao town, Jiaxing City, Zhejiang Province, 314000 Applicant after: JIAXING CHENYANG LUGGAGE Co.,Ltd. Address before: 518000 Guangdong Shenzhen Luohu District Gui Yuan Street Baoan road 3042 21 Tianlou 21 Applicant before: SHENGSHI YAOLAN (SHENZHEN) TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230907 Address after: 410000 Hunan Changsha high tech Development Zone, 27 Yuan Lu Valley, Yu Yuan Pioneer Building 802 Patentee after: Hunan national network giant Technology Co.,Ltd. Address before: Zhuang Shi Cun, Fengqiao town, Jiaxing City, Zhejiang Province, 314000 Patentee before: JIAXING CHENYANG LUGGAGE Co.,Ltd. |