The stress screening from this process will help find infant mortality in the product. Finding these failures before the product reaches the customer yields better quality, lower warranty expenses, and happier customers. Tests may include the following:
Environmentalstressscreening (ESS) is an important element of many electronics production and test programmes.
The use of environmentalstressscreening can be used to hasten the occurrence of the infant mortality failures.
Time factors are also important because stressscreening programmes may take many hours, and when large volumes of equipment are being produced this can necessitate large numbers of equipments passing through the ESS programme.
EnvironmentalStressScreening can be part of the manufacturing process, or it can be used in new product qualification testing.
ESS equipment consists of a test chamber, controller, fixturing, interconnect and wiring, and a functional tester, all manufactured by Thermotron.
EnvironmentalStressScreening equipment is available with vertical or horizontal airflow configurations to meet individual performance needs, product loading and throughput requirements.
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