Invention Grant
- Patent Title: Recessed termination for trench schottky device without junction curvature
- Patent Title (中): 沟槽肖特基器件的凹陷端接无接头曲率
-
Application No.: US11077929Application Date: 2005-03-11
-
Publication No.: US07466005B2Publication Date: 2008-12-16
- Inventor: Davide Chiola
- Applicant: Davide Chiola
- Applicant Address: US CA El Segundo
- Assignee: International Rectifier Corporation
- Current Assignee: International Rectifier Corporation
- Current Assignee Address: US CA El Segundo
- Agency: Ostrolenk, Faber, Gerb & Soffen, LLP
- Main IPC: H01L27/095
- IPC: H01L27/095
Abstract:
A trench type Schottky device has a guard ring diffusion of constant depth between the outermost of an active trench and an outer surrounding termination trench. The junction curvature of the guard ring diffusion is suppressed or cut out by the trenches.
Public/Granted literature
- US20050202637A1 Recessed termination for trench schottky device without junction curvature Public/Granted day:2005-09-15
Information query
IPC分类:
