Patent · US Expired

Detection of defects by thermographic analysis

US7401976B1 · kind B1 · utility

6Cited by
20References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 25, 2000
Grant dateJul 22, 2008
Priority date
Expiry dateSep 8, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N25/72
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A mechanism is provided for detecting a defect in a populated sample having a thickness dimension substantially smaller than the length and width dimensions thereof, the populated sample having a first side and an opposite second side, at least said first side of said populated sample having one or more Surface Mounted Components. The mechanism exploits a standard thermographic image which may be used in a detection method comprising

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