CN105590844A - 超结结构深沟槽的制造方法 - Google Patents
超结结构深沟槽的制造方法 Download PDFInfo
- Publication number
- CN105590844A CN105590844A CN201510976339.XA CN201510976339A CN105590844A CN 105590844 A CN105590844 A CN 105590844A CN 201510976339 A CN201510976339 A CN 201510976339A CN 105590844 A CN105590844 A CN 105590844A
- Authority
- CN
- China
- Prior art keywords
- groove
- type
- silicon chip
- silicon wafer
- heavy doping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000005530 etching Methods 0.000 claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 48
- 239000010703 silicon Substances 0.000 claims description 48
- 238000001259 photo etching Methods 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 10
- 239000004065 semiconductor Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 11
- 239000012535 impurity Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000007796 conventional method Methods 0.000 description 5
- 238000002513 implantation Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 238000000407 epitaxy Methods 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/185—Joining of semiconductor bodies for junction formation
- H01L21/187—Joining of semiconductor bodies for junction formation by direct bonding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Ceramic Engineering (AREA)
- Recrystallisation Techniques (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510976339.XA CN105590844B (zh) | 2015-12-23 | 2015-12-23 | 超结结构深沟槽的制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510976339.XA CN105590844B (zh) | 2015-12-23 | 2015-12-23 | 超结结构深沟槽的制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105590844A true CN105590844A (zh) | 2016-05-18 |
CN105590844B CN105590844B (zh) | 2018-06-08 |
Family
ID=55930325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510976339.XA Active CN105590844B (zh) | 2015-12-23 | 2015-12-23 | 超结结构深沟槽的制造方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105590844B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111200010A (zh) * | 2018-11-20 | 2020-05-26 | 深圳尚阳通科技有限公司 | 超结器件及其制造方法 |
CN112786677A (zh) * | 2019-11-01 | 2021-05-11 | 南通尚阳通集成电路有限公司 | 超结器件及其制造方法 |
CN112864246A (zh) * | 2019-11-12 | 2021-05-28 | 南通尚阳通集成电路有限公司 | 超结器件及其制造方法 |
CN115662952A (zh) * | 2022-11-02 | 2023-01-31 | 瑶芯微电子科技(上海)有限公司 | 沟槽型超结场效应晶体管及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090023983A (ko) * | 2007-09-03 | 2009-03-06 | 삼성전자주식회사 | 접합 웨이퍼의 제조 방법 |
CN104064241A (zh) * | 2014-06-29 | 2014-09-24 | 西安电子科技大学 | 串联式PIN结构β辐照电池及其制备方法 |
CN104900749A (zh) * | 2014-03-04 | 2015-09-09 | 中芯国际集成电路制造(上海)有限公司 | 光耦合器件及其形成方法 |
-
2015
- 2015-12-23 CN CN201510976339.XA patent/CN105590844B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090023983A (ko) * | 2007-09-03 | 2009-03-06 | 삼성전자주식회사 | 접합 웨이퍼의 제조 방법 |
CN104900749A (zh) * | 2014-03-04 | 2015-09-09 | 中芯国际集成电路制造(上海)有限公司 | 光耦合器件及其形成方法 |
CN104064241A (zh) * | 2014-06-29 | 2014-09-24 | 西安电子科技大学 | 串联式PIN结构β辐照电池及其制备方法 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111200010A (zh) * | 2018-11-20 | 2020-05-26 | 深圳尚阳通科技有限公司 | 超结器件及其制造方法 |
CN111200010B (zh) * | 2018-11-20 | 2023-09-29 | 深圳尚阳通科技股份有限公司 | 超结器件及其制造方法 |
CN112786677A (zh) * | 2019-11-01 | 2021-05-11 | 南通尚阳通集成电路有限公司 | 超结器件及其制造方法 |
CN112786677B (zh) * | 2019-11-01 | 2024-04-02 | 南通尚阳通集成电路有限公司 | 超结器件及其制造方法 |
CN112864246A (zh) * | 2019-11-12 | 2021-05-28 | 南通尚阳通集成电路有限公司 | 超结器件及其制造方法 |
CN112864246B (zh) * | 2019-11-12 | 2024-04-02 | 南通尚阳通集成电路有限公司 | 超结器件及其制造方法 |
CN115662952A (zh) * | 2022-11-02 | 2023-01-31 | 瑶芯微电子科技(上海)有限公司 | 沟槽型超结场效应晶体管及其制备方法 |
CN115662952B (zh) * | 2022-11-02 | 2023-04-07 | 瑶芯微电子科技(上海)有限公司 | 沟槽型超结场效应晶体管及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN105590844B (zh) | 2018-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103730372B (zh) | 一种可提高器件耐压的超结制造方法 | |
US10763351B2 (en) | Vertical trench DMOSFET having integrated implants forming enhancement diodes in parallel with the body diode | |
US10153345B2 (en) | Insulated gate switching device and method for manufacturing the same | |
KR101279574B1 (ko) | 고전압 반도체 소자 및 그 제조 방법 | |
US20150179764A1 (en) | Semiconductor device and method for manufacturing same | |
JP2017139440A (ja) | 炭化珪素半導体装置および炭化珪素半導体装置の製造方法 | |
CN105789334B (zh) | 一种肖特基势垒半导体整流器及其制造方法 | |
CN104637821B (zh) | 超级结器件的制造方法 | |
US9685335B2 (en) | Power device including a field stop layer | |
CN112864246B (zh) | 超结器件及其制造方法 | |
CN105590844A (zh) | 超结结构深沟槽的制造方法 | |
CN105810755B (zh) | 一种沟槽栅结构半导体整流器及其制造方法 | |
US9502547B2 (en) | Charge reservoir IGBT top structure | |
JP2003086800A (ja) | 半導体装置及びその製造方法 | |
KR101315699B1 (ko) | 초접합 트렌치 구조를 갖는 파워 모스펫 및 그 제조방법 | |
CN102157377B (zh) | 超结vdmos器件及其制造方法 | |
WO2024021977A1 (zh) | 沟槽栅功率mosfet及其制造方法 | |
CN104681438A (zh) | 一种半导体器件的形成方法 | |
CN104517853A (zh) | 超级结半导体器件制造方法 | |
CN211017082U (zh) | 一种超结型mosfet器件 | |
CN106409911A (zh) | 具有内场板结构与p型栅结合的耐压漂移区的半导体器件 | |
CN112103346A (zh) | 一种高击穿电压的沟槽功率器件及其制造方法 | |
CN106206712B (zh) | 一种vdmos器件及其制作方法 | |
JP6246700B2 (ja) | 横チャネル領域を有する接合型電界効果トランジスタセル | |
CN103730371B (zh) | 一种超结高压器件的制造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 710021 export processing zone, No. twelve, 1 road, Fengcheng, Shaanxi, Xi'an Patentee after: Longteng Semiconductor Co.,Ltd. Address before: 710021 export processing zone, No. twelve, 1 road, Fengcheng, Shaanxi, Xi'an Patentee before: LONTEN SEMICONDUCTOR Co.,Ltd. Address after: 710021 export processing zone, No. twelve, 1 road, Fengcheng, Shaanxi, Xi'an Patentee after: LONTEN SEMICONDUCTOR Co.,Ltd. Address before: 710021 export processing zone, No. twelve, 1 road, Fengcheng, Shaanxi, Xi'an Patentee before: XI'AN LONTEN RENEWABLE ENERGY TECHNOLOGY Inc. |