Patent · US Expired

Diode having a double implanted guard ring

US6894318B2 · kind B2 · utility

1Cited by
5References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 20, 2003
Grant dateMay 17, 2005
Priority date
Expiry dateAug 20, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S438/983

Abstract

The present invention provides a diode 200 that includes a substrate 215 doped with a first type dopant and a double implanted guard ring 245 located within the substrate and doped with a second type dopant opposite the first type dopant and having a first doped profile region 245a and a second doped profile region 245b. The present invention also includes a method of manufacturing this diode and an integrated circuit that utilizes this diode 200 within a CMOS and bipolar transistor integrated circuit 600.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.