CN108133894B - 沟槽型垂直双扩散金属氧化物晶体管及其制作方法 - Google Patents
沟槽型垂直双扩散金属氧化物晶体管及其制作方法 Download PDFInfo
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- CN108133894B CN108133894B CN201711394835.XA CN201711394835A CN108133894B CN 108133894 B CN108133894 B CN 108133894B CN 201711394835 A CN201711394835 A CN 201711394835A CN 108133894 B CN108133894 B CN 108133894B
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- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 28
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000009792 diffusion process Methods 0.000 title description 10
- 210000000746 body region Anatomy 0.000 claims abstract description 65
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 55
- 229920005591 polysilicon Polymers 0.000 claims abstract description 53
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 29
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000005530 etching Methods 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 16
- 238000001312 dry etching Methods 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 229910000676 Si alloy Inorganic materials 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 238000002513 implantation Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001259 photo etching Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/66734—Vertical DMOS transistors, i.e. VDMOS transistors with a step of recessing the gate electrode, e.g. to form a trench gate electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. 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
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711394835.XA CN108133894B (zh) | 2017-12-21 | 2017-12-21 | 沟槽型垂直双扩散金属氧化物晶体管及其制作方法 |
Applications Claiming Priority (1)
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CN201711394835.XA CN108133894B (zh) | 2017-12-21 | 2017-12-21 | 沟槽型垂直双扩散金属氧化物晶体管及其制作方法 |
Publications (2)
Publication Number | Publication Date |
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CN108133894A CN108133894A (zh) | 2018-06-08 |
CN108133894B true CN108133894B (zh) | 2021-02-26 |
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CN201711394835.XA Expired - Fee Related CN108133894B (zh) | 2017-12-21 | 2017-12-21 | 沟槽型垂直双扩散金属氧化物晶体管及其制作方法 |
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Country | Link |
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CN (1) | CN108133894B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115411101A (zh) * | 2022-07-22 | 2022-11-29 | 上海林众电子科技有限公司 | 一种多晶硅发射极igbt器件、制备方法及其应用 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5918114A (en) * | 1996-05-22 | 1999-06-29 | Samsung Electronics Co., Ltd. | Method of forming vertical trench-gate semiconductor devices having self-aligned source and body regions |
US20020115257A1 (en) * | 2001-02-19 | 2002-08-22 | Hitachi, Ltd. | Insulated gate type semiconductor device and method for fabricating the same |
CN104835739A (zh) * | 2014-02-10 | 2015-08-12 | 北大方正集团有限公司 | 功率晶体管的制造方法和功率晶体管 |
CN105448843A (zh) * | 2014-09-24 | 2016-03-30 | 瑞萨电子株式会社 | 制造半导体器件的方法 |
-
2017
- 2017-12-21 CN CN201711394835.XA patent/CN108133894B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5918114A (en) * | 1996-05-22 | 1999-06-29 | Samsung Electronics Co., Ltd. | Method of forming vertical trench-gate semiconductor devices having self-aligned source and body regions |
US20020115257A1 (en) * | 2001-02-19 | 2002-08-22 | Hitachi, Ltd. | Insulated gate type semiconductor device and method for fabricating the same |
CN104835739A (zh) * | 2014-02-10 | 2015-08-12 | 北大方正集团有限公司 | 功率晶体管的制造方法和功率晶体管 |
CN105448843A (zh) * | 2014-09-24 | 2016-03-30 | 瑞萨电子株式会社 | 制造半导体器件的方法 |
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