KR101643338B1 - 트렌치 게이트형 모스트랜지스터의 제조방법 - Google Patents
트렌치 게이트형 모스트랜지스터의 제조방법 Download PDFInfo
- Publication number
- KR101643338B1 KR101643338B1 KR1020090052775A KR20090052775A KR101643338B1 KR 101643338 B1 KR101643338 B1 KR 101643338B1 KR 1020090052775 A KR1020090052775 A KR 1020090052775A KR 20090052775 A KR20090052775 A KR 20090052775A KR 101643338 B1 KR101643338 B1 KR 101643338B1
- Authority
- KR
- South Korea
- Prior art keywords
- trench
- region
- base region
- forming
- conductivity type
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/66—Vertical DMOS [VDMOS] FETs
- H10D30/668—Vertical DMOS [VDMOS] FETs having trench gate electrodes, e.g. UMOS transistors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
- H10P14/6326—Deposition processes
- H10P14/6349—Deposition of epitaxial materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/28—Dry etching; Plasma etching; Reactive-ion etching of insulating materials
- H10P50/282—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials
Landscapes
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (7)
- 제 1 도전형의 에피택셜층, 제 2 도전형의 베이스 영역 및 제1 도전형의 소오스 영역이 순차적으로 형성된 반도체 기판에 상기 소오스 영역과 상기 베이스 영역을 관통하는 제 1 트렌치를 형성하는 단계와,상기 제 1 트렌치를 매립하는 게이트를 형성하고, 상기 게이트를 포함한 반도체 기판 전면에 층간절연층을 형성하는 단계와,상기 소오스 영역에 인접한 상기 베이스 영역을 소정 깊이 식각하여 상기 소오스 영역의 깊이보다 깊게 제 2 트렌치를 형성하는 단계와,상기 제 2 트렌치 내의 베이스 영역의 상부 표면과 측면, 및 상기 제2 트렌치 내의 상기 소오스 영역의 측면에 제 1 도전형 불순물 영역을 형성하는 단계와,상기 제 2 트렌치 내의 베이스 영역에 제 2 도전형의 불순물을 주입하여 상기 제 1 도전형 불순물 영역보다 깊도록 제 2 도전형 불순물 영역을 형성하는 단계와,상기 제2 트렌치를 식각하여 상기 제 2 트렌치 내의 베이스 영역의 상부 표면에 형성된 제 1 도전형의 불순물 영역을 제거하는 단계를 포함하는 것을 특징으로 하는 트렌치 게이트형 모스트랜지스터의 제조방법.
- 제 1항에 있어서,상기 게이트를 제 1 트렌치에 매립하기 전에상기 반도체 기판 전면에 게이트 산화막을 열 산화막을 통해 형성하는 단계를 더 포함하는 것을 특징으로 하는 트렌치 게이트형 모스트랜지스터의 제조방법.
- 제 1항에 있어서,상기 제 2 트렌치 내의 베이스 영역의 측면 및 상기 소오스 영역의 측면에 형성되는 제1 도전형 불순물 영역은 상기 제2 도전형 불순물 영역과 접하는 것을 특징으로 하는 게이트형 모스트랜지스터의 제조방법.
- 삭제
- 삭제
- 제 1항에 있어서,상기 제2 트렌치 내에 알루미늄층을 형성하는 단계를 더 포함하는 게이트형 모스트랜지스터의 제조방법.
- 제 1항에 있어서,상기 제 2 트렌치는 200Å ~ 500Å의 깊이로 추가 식각하는 것을 특징으로 하는 트렌치 게이트형 모스트랜지스터의 제조방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090052775A KR101643338B1 (ko) | 2009-06-15 | 2009-06-15 | 트렌치 게이트형 모스트랜지스터의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090052775A KR101643338B1 (ko) | 2009-06-15 | 2009-06-15 | 트렌치 게이트형 모스트랜지스터의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20100134253A KR20100134253A (ko) | 2010-12-23 |
| KR101643338B1 true KR101643338B1 (ko) | 2016-08-10 |
Family
ID=43509206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020090052775A Expired - Fee Related KR101643338B1 (ko) | 2009-06-15 | 2009-06-15 | 트렌치 게이트형 모스트랜지스터의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR101643338B1 (ko) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000307115A (ja) | 1999-04-01 | 2000-11-02 | Intersil Corp | 高密度mosゲート型電力装置及びその製造方法 |
| JP2003092405A (ja) * | 2001-09-19 | 2003-03-28 | Toshiba Corp | 半導体装置及びその製造方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19845003C1 (de) * | 1998-09-30 | 2000-02-10 | Siemens Ag | Vertikaler Feldeffekttransistor mit innenliegendem ringförmigen Gate und Herstellverfahren |
| DE112006001516T5 (de) * | 2005-06-10 | 2008-04-17 | Fairchild Semiconductor Corp. | Feldeffekttransistor mit Ladungsgleichgewicht |
-
2009
- 2009-06-15 KR KR1020090052775A patent/KR101643338B1/ko not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000307115A (ja) | 1999-04-01 | 2000-11-02 | Intersil Corp | 高密度mosゲート型電力装置及びその製造方法 |
| JP2003092405A (ja) * | 2001-09-19 | 2003-03-28 | Toshiba Corp | 半導体装置及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20100134253A (ko) | 2010-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8658507B2 (en) | MOSFET structure and method of fabricating the same using replacement channel layer | |
| CN101626031B (zh) | 半导体结构 | |
| JP5102411B2 (ja) | 半導体装置およびその製造方法 | |
| KR101955055B1 (ko) | 전력용 반도체 소자 및 그 소자의 제조 방법 | |
| CN112825327B (zh) | 半导体结构及其形成方法 | |
| US7824985B2 (en) | Method for manufacturing a recessed gate transistor | |
| JP5767869B2 (ja) | 半導体装置の製造方法 | |
| JP4063353B2 (ja) | トレンチゲート型mos電界効果トランジスタの製造方法 | |
| CN1941412A (zh) | 平面超薄绝缘体上半导体沟道mosfet及其制造方法 | |
| US7517759B2 (en) | Method of fabricating metal oxide semiconductor device | |
| US20070120150A1 (en) | Semiconductor component arrangement and method for fabricating it | |
| CN101807546B (zh) | 沟道式金属氧化物半导体元件及其制作方法 | |
| TW200952176A (en) | Semiconductor devices and methods for fabricating the same | |
| KR101026484B1 (ko) | 수직형 트랜지스터 및 그의 제조방법 | |
| CN111509029B (zh) | 半导体器件及其形成方法 | |
| CN106601795A (zh) | 一种沟槽式场效应晶体管及其制造方法 | |
| KR101643338B1 (ko) | 트렌치 게이트형 모스트랜지스터의 제조방법 | |
| CN104218080B (zh) | 射频ldmos器件及其制造方法 | |
| CN102956639B (zh) | 沟槽型金属氧化物半导体元件及其制造方法 | |
| US6777295B1 (en) | Method of fabricating trench power MOSFET | |
| CN107808827B (zh) | 沟槽式功率半导体元件及其制造方法 | |
| JPH09260659A (ja) | 半導体素子およびその製造方法 | |
| US12068317B2 (en) | Integrated circuit with anti-punch through control | |
| KR101068137B1 (ko) | 고전압 트랜지스터 제조방법 | |
| KR0142782B1 (ko) | 반도체소자의 제조방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
| PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
| A201 | Request for examination | ||
| E13-X000 | Pre-grant limitation requested |
St.27 status event code: A-2-3-E10-E13-lim-X000 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
| D13-X000 | Search requested |
St.27 status event code: A-1-2-D10-D13-srh-X000 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-3-3-R10-R17-oth-X000 |
|
| D14-X000 | Search report completed |
St.27 status event code: A-1-2-D10-D14-srh-X000 |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| E90F | Notification of reason for final refusal | ||
| PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
| P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
| P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
| PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
| PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
| PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
| FPAY | Annual fee payment |
Payment date: 20190617 Year of fee payment: 4 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
| R18-X000 | Changes to party contact information recorded |
St.27 status event code: A-5-5-R10-R18-oth-X000 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 5 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 6 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 7 |
|
| PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 8 |
|
| R17-X000 | Change to representative recorded |
St.27 status event code: A-5-5-R10-R17-oth-X000 |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20240722 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
| PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20240722 |
|
| P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |