Foley & Lardner
Method and apparatus for detecting line-shorts by potential and temperature distribution
In a method for detecting a line-short between conductive layers, a potential (or temperature) distribution of the conductive layers is detected while applying a DC voltage thereto. The method is particularly applicable to interdigitated conductive layers. A potential distribution across a wide range perpendicular to the conductors is detected to determine a first location of the line short. Potential distributions between conductors at points parallel to the conductors near the first location are then examined to determine a second location where the potential between the conductors is minimal. Potential distribution at points along a conductor are then examined to determine a location where the potential is sharply changed.
NEC Corporation
G G Y
G01R G01R Y10S
inventional inventional additional
Hiroaki
Kikuchi