Fault diagnosis device of data processor

Abstract

PURPOSE: To detect the temp. abnormality (both of high temp. and low temp.) of the individual part on a printed circuit board. CONSTITUTION: The fault diagnostic system of a data processor has an infrared camera 5 judging the surface temp. of a printed circuit board 100, a temp. image display part 6 imagewise displaying the surface temp. of the printed circuit board 100 on the basis of the temp. data from the infrared camera 5, a temp. abnormality judging part 7 processing the temp. data to judge temp. abnormality and a temp. abnormality display part 4 displaying the judgment result. COPYRIGHT: (C)1992,JPO&Japio

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    US-9239341-B2January 19, 2016Sharp Kabushiki KaishaWiring fault detection method, wiring fault detection apparatus, and method for manufacturing semiconductor substrate