Patent · US Expired

Optical probe for wafer testing

US7020363B2 · kind B2 · utility

104Cited by
1References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 28, 2001
Grant dateMar 28, 2006
Priority date
Expiry dateNov 13, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/241
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A first optical probe is used to test a planar lightwave circuit. In one embodiment, a second probe is used in combination with the first probe to test the planar lightwave circuit by sending and receiving a light beam through the planar lightwave circuit.

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