Patent · US Expired

Electrostatic discharge protection for sensors

US6555888B2 · kind B2 · utility

11Cited by
25References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 2002
Grant dateApr 29, 2003
Priority date
Expiry dateJul 1, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06V40/1329
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A structure and method is disclosed for dissipating electrostatic charges comprising an underlying dielectric layer disposed over capacitor plates of sensor circuitry, and a conductive layer and passivation layers disposed over the underlying dielectric layer wherein the conductive layer diffuses electrostatic charges at the surface of the integrated circuit.

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