CN104779276B - 一种具有超结结构的igbt及其制备方法 - Google Patents
一种具有超结结构的igbt及其制备方法 Download PDFInfo
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- CN104779276B CN104779276B CN201410116773.6A CN201410116773A CN104779276B CN 104779276 B CN104779276 B CN 104779276B CN 201410116773 A CN201410116773 A CN 201410116773A CN 104779276 B CN104779276 B CN 104779276B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 150000002500 ions Chemical class 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000005530 etching Methods 0.000 claims description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims description 8
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 238000005468 ion implantation Methods 0.000 claims description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 5
- 229920005591 polysilicon Polymers 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000005684 electric field Effects 0.000 abstract description 13
- 230000015556 catabolic process Effects 0.000 abstract description 8
- 238000001020 plasma etching Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000407 epitaxy Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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 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
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7393—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET
- H01L29/7395—Vertical transistors, e.g. vertical IGBT
- H01L29/7398—Vertical transistors, e.g. vertical IGBT with both emitter and collector contacts in the same substrate side
-
- 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
- H01L29/0603—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—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 particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/063—Reduced surface field [RESURF] pn-junction structures
- H01L29/0634—Multiple reduced surface field (multi-RESURF) structures, e.g. double RESURF, charge compensation, cool, superjunction (SJ), 3D-RESURF, composite buffer (CB) structures
-
- 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
- H01L29/66234—Bipolar junction transistors [BJT]
- H01L29/66325—Bipolar junction transistors [BJT] controlled by field-effect, e.g. insulated gate bipolar transistors [IGBT]
- H01L29/66333—Vertical insulated gate bipolar transistors
- H01L29/66348—Vertical insulated gate bipolar transistors with a recessed gate
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Thyristors (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410116773.6A CN104779276B (zh) | 2014-03-26 | 2014-03-26 | 一种具有超结结构的igbt及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410116773.6A CN104779276B (zh) | 2014-03-26 | 2014-03-26 | 一种具有超结结构的igbt及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104779276A CN104779276A (zh) | 2015-07-15 |
CN104779276B true CN104779276B (zh) | 2020-01-21 |
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CN201410116773.6A Active CN104779276B (zh) | 2014-03-26 | 2014-03-26 | 一种具有超结结构的igbt及其制备方法 |
Country Status (1)
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CN (1) | CN104779276B (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101019235A (zh) * | 2004-09-03 | 2007-08-15 | 皇家飞利浦电子股份有限公司 | 垂直半导体器件和制造该器件的方法 |
CN102142378A (zh) * | 2011-03-04 | 2011-08-03 | 电子科技大学 | 具有延伸沟槽的超结半导体器件的制造方法 |
CN102569354A (zh) * | 2010-12-16 | 2012-07-11 | 三菱电机株式会社 | 绝缘栅型双极晶体管及其制造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI462295B (zh) * | 2011-11-15 | 2014-11-21 | Anpec Electronics Corp | 溝渠型功率電晶體元件及其製作方法 |
-
2014
- 2014-03-26 CN CN201410116773.6A patent/CN104779276B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101019235A (zh) * | 2004-09-03 | 2007-08-15 | 皇家飞利浦电子股份有限公司 | 垂直半导体器件和制造该器件的方法 |
CN102569354A (zh) * | 2010-12-16 | 2012-07-11 | 三菱电机株式会社 | 绝缘栅型双极晶体管及其制造方法 |
CN102142378A (zh) * | 2011-03-04 | 2011-08-03 | 电子科技大学 | 具有延伸沟槽的超结半导体器件的制造方法 |
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C06 | Publication | ||
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TA01 | Transfer of patent application right |
Effective date of registration: 20190131 Address after: No. 88 Tangfu Road, Fengxian District, Shanghai, 201405 Applicant after: SHANGHAI STN ELECTROMECHANICAL EQUIPMENT Co.,Ltd. Address before: Room 526, 33 blocks, 680 Guiping Road, Xuhui District, Shanghai, 2003 Applicant before: SHANGHAI HEJUNCHI SEMICONDUCTOR CO.,LTD. |
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CP03 | Change of name, title or address |
Address after: 201405 Room 101, 88 Tong Fu Road, Fengxian District, Shanghai. Patentee after: Shanghai Tiniu Technology Co.,Ltd. Address before: No. 88 Tangfu Road, Fengxian District, Shanghai, 201405 Patentee before: SHANGHAI STN ELECTROMECHANICAL EQUIPMENT Co.,Ltd. |
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