G PHYSICS
G01 MEASURING; TESTING
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R31/00 Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
G01R31/28 Testing of electronic circuits, e.g. by signal tracer
G01R31/2801 Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
G01R31/281 Specific types of tests or tests for a specific type of fault, e.g. thermal mapping, shorts testing