Browse Prior Art Database

Ceramic Crack Detection by Oblique U.v.-blue Illumination

IP.com Disclosure Number: IPCOM000061875D
Original Publication Date: 1986-Jul-01
Included in the Prior Art Database: 2005-Mar-09

Publishing Venue

IBM

Related People

Authors:
Cerniglia, TJ Schmidt, GE Thorp, LD [+details]

Abstract

:AB Disclosed is a method and apparatus for visually inspecting minute cracks in a ceramic substrate by illuminating the substrate with ultra violet - blue light (e.g. that from Xenon l source) at an oblique angle of incidence.