Efficient air-flow loop through dual burn-in chambers with...

Details Efficient air-flow loop through dual burn-in chambers with... Efficient air-flow loop through dual burn-in chambers with...

2006-09-19

2006-09-19

Tu, Christine T. (Department: 2138)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Memory testing

C324S760020, C714S724000

Reexamination Certificate

active

07111211

ABSTRACT:
Two heat chambers are placed side-by-side. Heated air is blown upward through a first chamber and downward through a second heat chamber. An upper heating unit has a blower and heater that heat air exiting the first chamber and blows the heated air into the top of the second chamber. A lower heating unit has a blower and heater that heat air exiting the second chamber and blows the heated air into the top of the first chamber. Air is circulated in a loop through the two heat chambers by the two heating units. Inefficiencies from return pipes are eliminated by using the second chamber. The heated air is blown past memory modules under test in a heat chamber that has an insulated backplane. Pattern-generator cards outside the heat chamber exercise the memory modules and are cooled while memory modules in the heat chamber are heated.

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