CN108281486B - 一种雪崩耐量增强型的vdmos器件结构及其制作方法 - Google Patents
一种雪崩耐量增强型的vdmos器件结构及其制作方法 Download PDFInfo
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- CN108281486B CN108281486B CN201711480764.5A CN201711480764A CN108281486B CN 108281486 B CN108281486 B CN 108281486B CN 201711480764 A CN201711480764 A CN 201711480764A CN 108281486 B CN108281486 B CN 108281486B
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- 229920005591 polysilicon Polymers 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 37
- 238000005468 ion implantation Methods 0.000 claims description 20
- 239000013078 crystal Substances 0.000 claims description 15
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
- 229910052785 arsenic Inorganic materials 0.000 claims description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 3
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- 238000004544 sputter deposition Methods 0.000 claims description 3
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- 229910052787 antimony Inorganic materials 0.000 claims description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 2
- 238000003486 chemical etching Methods 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 abstract description 10
- 239000004065 semiconductor Substances 0.000 abstract description 6
- 210000003850 cellular structure Anatomy 0.000 abstract description 2
- 239000007769 metal material Substances 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 3
- 229910018594 Si-Cu Inorganic materials 0.000 description 2
- 229910008465 Si—Cu Inorganic materials 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-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
- H01L29/68—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
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS 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
- H01L29/02—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
- H01L29/0684—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 characterised by the shape, relative sizes or dispositions of the semiconductor regions or junctions between the 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
- H01L29/66—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
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66712—Vertical DMOS transistors, i.e. VDMOS transistors
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- 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)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (9)
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CN201711480764.5A CN108281486B (zh) | 2017-12-29 | 2017-12-29 | 一种雪崩耐量增强型的vdmos器件结构及其制作方法 |
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CN201711480764.5A CN108281486B (zh) | 2017-12-29 | 2017-12-29 | 一种雪崩耐量增强型的vdmos器件结构及其制作方法 |
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CN108281486A CN108281486A (zh) | 2018-07-13 |
CN108281486B true CN108281486B (zh) | 2021-04-02 |
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CN113097300A (zh) * | 2019-12-23 | 2021-07-09 | 华润微电子(重庆)有限公司 | 一种功率器件及其制作方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0254969A (ja) * | 1988-08-19 | 1990-02-23 | Fuji Electric Co Ltd | Mos型半導体装置 |
JPH07176731A (ja) * | 1993-12-16 | 1995-07-14 | Toshiba Corp | 縦型絶縁ゲート電界効果トランジスタ |
US6081009A (en) * | 1997-11-10 | 2000-06-27 | Intersil Corporation | High voltage mosfet structure |
CN106653856A (zh) * | 2016-12-14 | 2017-05-10 | 中国电子科技集团公司第四十七研究所 | 一种抗单粒子烧毁的vdmos器件及其制作方法 |
CN107134478A (zh) * | 2017-03-22 | 2017-09-05 | 深圳深爱半导体股份有限公司 | 功率半导体器件及其制造方法 |
-
2017
- 2017-12-29 CN CN201711480764.5A patent/CN108281486B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0254969A (ja) * | 1988-08-19 | 1990-02-23 | Fuji Electric Co Ltd | Mos型半導体装置 |
JPH07176731A (ja) * | 1993-12-16 | 1995-07-14 | Toshiba Corp | 縦型絶縁ゲート電界効果トランジスタ |
US6081009A (en) * | 1997-11-10 | 2000-06-27 | Intersil Corporation | High voltage mosfet structure |
CN106653856A (zh) * | 2016-12-14 | 2017-05-10 | 中国电子科技集团公司第四十七研究所 | 一种抗单粒子烧毁的vdmos器件及其制作方法 |
CN107134478A (zh) * | 2017-03-22 | 2017-09-05 | 深圳深爱半导体股份有限公司 | 功率半导体器件及其制造方法 |
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Inventor after: Zhu Xuqiang Inventor after: Zhang Jun Inventor after: Sun Xufeng Inventor before: Zhu Xuqiang |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A structure and fabrication method of avalanche tolerant enhanced VDMOS device Granted publication date: 20210402 Pledgee: Wuxi rural commercial bank Limited by Share Ltd. Yixing branch Pledgor: JIANGSU DONGCHEN ELECTRONICS TECHNOLOGY Co.,Ltd. Registration number: Y2024980004632 |
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