CN106206551A - 一种具有压敏电阻的esd保护低压超结mosfet及其制造方法 - Google Patents
一种具有压敏电阻的esd保护低压超结mosfet及其制造方法 Download PDFInfo
- Publication number
- CN106206551A CN106206551A CN201610789862.6A CN201610789862A CN106206551A CN 106206551 A CN106206551 A CN 106206551A CN 201610789862 A CN201610789862 A CN 201610789862A CN 106206551 A CN106206551 A CN 106206551A
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- Prior art keywords
- varistor
- polycrystalline
- esd
- layer
- low pressure
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 58
- 239000002184 metal Substances 0.000 claims abstract description 58
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 20
- 239000010703 silicon Substances 0.000 claims abstract description 20
- 238000000407 epitaxy Methods 0.000 claims abstract description 15
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 27
- 229920005591 polysilicon Polymers 0.000 claims description 24
- 238000005260 corrosion Methods 0.000 claims description 15
- 230000007797 corrosion Effects 0.000 claims description 15
- 238000005530 etching Methods 0.000 claims description 13
- 238000001259 photo etching Methods 0.000 claims description 9
- AHKZTVQIVOEVFO-UHFFFAOYSA-N oxide(2-) Chemical compound [O-2] AHKZTVQIVOEVFO-UHFFFAOYSA-N 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000001312 dry etching Methods 0.000 claims description 6
- HTCXJNNIWILFQQ-UHFFFAOYSA-M emmi Chemical compound ClC1=C(Cl)C2(Cl)C3C(=O)N([Hg]CC)C(=O)C3C1(Cl)C2(Cl)Cl HTCXJNNIWILFQQ-UHFFFAOYSA-M 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000005137 deposition process Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005611 electricity Effects 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
- H01L29/68—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
- H01L23/62—Protection against overvoltage, e.g. fuses, shunts
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
-
- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66015—Multistep manufacturing processes of devices having a semiconductor body comprising semiconducting carbon, e.g. diamond, diamond-like carbon, graphene
- H01L29/66037—Multistep manufacturing processes of devices having a semiconductor body comprising semiconducting carbon, e.g. diamond, diamond-like carbon, graphene 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
- H01L29/66045—Field-effect transistors
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Semiconductor Integrated Circuits (AREA)
- Manufacturing & Machinery (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610789862.6A CN106206551B (zh) | 2016-08-30 | 2016-08-30 | 一种具有压敏电阻的esd保护低压超结mosfet及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610789862.6A CN106206551B (zh) | 2016-08-30 | 2016-08-30 | 一种具有压敏电阻的esd保护低压超结mosfet及其制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106206551A true CN106206551A (zh) | 2016-12-07 |
CN106206551B CN106206551B (zh) | 2018-11-16 |
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CN201610789862.6A Active CN106206551B (zh) | 2016-08-30 | 2016-08-30 | 一种具有压敏电阻的esd保护低压超结mosfet及其制造方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113066869A (zh) * | 2021-03-16 | 2021-07-02 | 扬州国宇电子有限公司 | 一种快恢复二极管芯片及其制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06310714A (ja) * | 1993-04-22 | 1994-11-04 | Olympus Optical Co Ltd | 半導体装置における入力保護回路 |
US6211549B1 (en) * | 1997-09-17 | 2001-04-03 | Kabushiki Kaisha Toshiba | High breakdown voltage semiconductor device including first and second semiconductor elements |
US20050286194A1 (en) * | 2004-06-23 | 2005-12-29 | Atsushi Fujiki | Power transistor device and a power control system for using it |
CN103579229A (zh) * | 2012-07-18 | 2014-02-12 | 上海华虹Nec电子有限公司 | 集成过流保护的mosfet及制造方法 |
CN104347422A (zh) * | 2013-08-09 | 2015-02-11 | 上海华虹宏力半导体制造有限公司 | 带静电释放保护电路的沟槽式mos晶体管的制造方法 |
CN205984979U (zh) * | 2016-08-30 | 2017-02-22 | 西安芯派电子科技有限公司 | 一种具有压敏电阻的esd保护低压超结mosfet |
-
2016
- 2016-08-30 CN CN201610789862.6A patent/CN106206551B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06310714A (ja) * | 1993-04-22 | 1994-11-04 | Olympus Optical Co Ltd | 半導体装置における入力保護回路 |
US6211549B1 (en) * | 1997-09-17 | 2001-04-03 | Kabushiki Kaisha Toshiba | High breakdown voltage semiconductor device including first and second semiconductor elements |
US20050286194A1 (en) * | 2004-06-23 | 2005-12-29 | Atsushi Fujiki | Power transistor device and a power control system for using it |
CN103579229A (zh) * | 2012-07-18 | 2014-02-12 | 上海华虹Nec电子有限公司 | 集成过流保护的mosfet及制造方法 |
CN104347422A (zh) * | 2013-08-09 | 2015-02-11 | 上海华虹宏力半导体制造有限公司 | 带静电释放保护电路的沟槽式mos晶体管的制造方法 |
CN205984979U (zh) * | 2016-08-30 | 2017-02-22 | 西安芯派电子科技有限公司 | 一种具有压敏电阻的esd保护低压超结mosfet |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113066869A (zh) * | 2021-03-16 | 2021-07-02 | 扬州国宇电子有限公司 | 一种快恢复二极管芯片及其制备方法 |
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CN106206551B (zh) | 2018-11-16 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: ESD protected low-pressure super-junction metal oxide semiconductor field effect transistor (MOSFET) with piezoresistors and manufacturing method of MOSFET Effective date of registration: 20190923 Granted publication date: 20181116 Pledgee: Xi'an Science and Technology Financial Service Center Co., Ltd. Pledgor: XI'AN SEMIPOWER ELECTRONIC TECHNOLOGY CO., LTD. Registration number: Y2019980000188 |
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Date of cancellation: 20201204 Granted publication date: 20181116 Pledgee: Xi'an Science and Technology Financial Service Center Co.,Ltd. Pledgor: XI'AN SEMIPOWER ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2019980000188 |