GB2032686A - MOS device with U-shaped groove - Google Patents
MOS device with U-shaped groove Download PDFInfo
- Publication number
- GB2032686A GB2032686A GB7932015A GB7932015A GB2032686A GB 2032686 A GB2032686 A GB 2032686A GB 7932015 A GB7932015 A GB 7932015A GB 7932015 A GB7932015 A GB 7932015A GB 2032686 A GB2032686 A GB 2032686A
- Authority
- GB
- United Kingdom
- Prior art keywords
- recess
- layer
- semiconductor device
- mos
- substrate
- 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.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000004065 semiconductor Substances 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 239000013078 crystal Substances 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 239000002210 silicon-based material Substances 0.000 claims description 11
- 239000002019 doping agent Substances 0.000 claims description 6
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 14
- 229910052710 silicon Inorganic materials 0.000 abstract description 14
- 239000010703 silicon Substances 0.000 abstract description 14
- 101150068246 V-MOS gene Proteins 0.000 description 26
- 238000005530 etching Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42356—Disposition, e.g. buried gate electrode
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove gate electrode
-
- 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
- H01L29/04—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes
- H01L29/045—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes by their particular orientation of crystalline planes
-
- 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
- H01L29/7827—Vertical transistors
Landscapes
- Microelectronics & Electronic Packaging (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US94881478A | 1978-10-05 | 1978-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2032686A true GB2032686A (en) | 1980-05-08 |
Family
ID=25488272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7932015A Withdrawn GB2032686A (en) | 1978-10-05 | 1979-09-14 | MOS device with U-shaped groove |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5552273A (de) |
| CA (1) | CA1115426A (de) |
| DE (1) | DE2931272A1 (de) |
| FR (1) | FR2438342A1 (de) |
| GB (1) | GB2032686A (de) |
| IT (1) | IT1123772B (de) |
| NL (1) | NL7905402A (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001099185A2 (en) * | 2000-06-19 | 2001-12-27 | Infineon Technologies North America Corp. | Integrated circuit vertical trench device and method of forming thereof |
| US6495883B2 (en) | 2001-02-06 | 2002-12-17 | Denso Corporation | Trench gate type semiconductor device and method of manufacturing |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4449285A (en) * | 1981-08-19 | 1984-05-22 | The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Method for producing a vertical channel transistor |
| US4546367A (en) * | 1982-06-21 | 1985-10-08 | Eaton Corporation | Lateral bidirectional notch FET with extended gate insulator |
| JPS598375A (ja) * | 1982-07-05 | 1984-01-17 | Matsushita Electronics Corp | 縦型構造電界効果トランジスタ |
| US5034785A (en) * | 1986-03-24 | 1991-07-23 | Siliconix Incorporated | Planar vertical channel DMOS structure |
| US4767722A (en) * | 1986-03-24 | 1988-08-30 | Siliconix Incorporated | Method for making planar vertical channel DMOS structures |
-
1979
- 1979-07-11 NL NL7905402A patent/NL7905402A/nl not_active Application Discontinuation
- 1979-08-01 DE DE19792931272 patent/DE2931272A1/de not_active Withdrawn
- 1979-08-31 JP JP11054279A patent/JPS5552273A/ja active Pending
- 1979-09-10 CA CA335,319A patent/CA1115426A/en not_active Expired
- 1979-09-14 GB GB7932015A patent/GB2032686A/en not_active Withdrawn
- 1979-10-04 IT IT26258/79A patent/IT1123772B/it active
- 1979-10-04 FR FR7924747A patent/FR2438342A1/fr not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001099185A2 (en) * | 2000-06-19 | 2001-12-27 | Infineon Technologies North America Corp. | Integrated circuit vertical trench device and method of forming thereof |
| WO2001099185A3 (en) * | 2000-06-19 | 2002-03-28 | Infineon Technologies Corp | Integrated circuit vertical trench device and method of forming thereof |
| US6495883B2 (en) | 2001-02-06 | 2002-12-17 | Denso Corporation | Trench gate type semiconductor device and method of manufacturing |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7905402A (nl) | 1980-04-09 |
| DE2931272A1 (de) | 1980-04-24 |
| IT7926258A0 (it) | 1979-10-04 |
| FR2438342A1 (fr) | 1980-04-30 |
| JPS5552273A (en) | 1980-04-16 |
| IT1123772B (it) | 1986-04-30 |
| CA1115426A (en) | 1981-12-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |