Thermal Emission System for Circuit Board Troubleshooting


Many circuit board defects cannot be identified easily using conventional inspection and failure analysis methods such as in-circuit test, functional test, optical inspection, and X-ray inspection. Such defects include the following:

Technicians and engineers can spend many hours debugging boards with such defects and these boards often end up in the scrap pile. The EL troubleshooting system provides an alternative method of fault detection that can isolate these defects, thus filling the gaps between conventional inspection and debugging techniques.

EL is an effective and economical tool that can reduce debugging costs and minimize scrap. When is used as the first screen of defective boards, EL can quickly provide useful troubleshooting information, dramatically reducing time to repair.

Functional Verification

EL can also be used to inspect boards for basic functionality. Although EL cannot provide the same detailed level of functional verification as a functional test, it can provide verification of basic board operation. Advantages of EL over traditional functional testers include low cost and fast setup. No custom hardware is required and tests can usually be setup in less than an hour. EL is ideal when the high cost of a dedicated functional tester cannot be justified.

Troubleshooting Software Tools

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