TW200703430A - High voltage device structure - Google Patents
High voltage device structureInfo
- Publication number
- TW200703430A TW200703430A TW094122556A TW94122556A TW200703430A TW 200703430 A TW200703430 A TW 200703430A TW 094122556 A TW094122556 A TW 094122556A TW 94122556 A TW94122556 A TW 94122556A TW 200703430 A TW200703430 A TW 200703430A
- Authority
- TW
- Taiwan
- Prior art keywords
- region
- voltage device
- isolation
- device structure
- conductive type
- Prior art date
Links
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
A high-voltage device structure includes a high-voltage device disposed on a semiconductor substrate. The semiconductor includes an active region and an isolation region, and the high-voltage device is disposed in the active region. The high-voltage device structure includes a source diffusion region of a first conductive type, a drain region of the first conductive type, and a gate longer than the source diffusion region and the drain diffusion region so as to form spare regions on both sides .of the gate. The isolation region is outside the active region and surrounds the active region. In the isolation region, an isolation ion implantation region of a second conductive type and an extended ion implantation region are disposed to prevent parasitic current from being generating between the source diffusion region and the drain diffusion region.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW94122556A TWI255495B (en) | 2005-07-04 | 2005-07-04 | High voltage device structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW94122556A TWI255495B (en) | 2005-07-04 | 2005-07-04 | High voltage device structure |
Publications (2)
Publication Number | Publication Date |
---|---|
TWI255495B TWI255495B (en) | 2006-05-21 |
TW200703430A true TW200703430A (en) | 2007-01-16 |
Family
ID=37613268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW94122556A TWI255495B (en) | 2005-07-04 | 2005-07-04 | High voltage device structure |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI255495B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI395315B (en) * | 2010-04-26 | 2013-05-01 | Richtek Technology Corp | Structure in a high-voltage path of an ultra-high voltage device for providing esd protection |
-
2005
- 2005-07-04 TW TW94122556A patent/TWI255495B/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI395315B (en) * | 2010-04-26 | 2013-05-01 | Richtek Technology Corp | Structure in a high-voltage path of an ultra-high voltage device for providing esd protection |
Also Published As
Publication number | Publication date |
---|---|
TWI255495B (en) | 2006-05-21 |
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