Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Reexamination Certificate
2006-04-04
2006-04-04
Tang, Minh N. (Department: 2829)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
C324S765010
Reexamination Certificate
active
07023228
ABSTRACT:
In a dynamic burn-in apparatus wherein a signal output from a signal generator is input to a semiconductor device to be tested in the burn-in tank, a converter is arranged at the output of the signal generator. The converter increases, by N times, the frequency of the signal output from a signal generator. The signal having the increased frequency and output from the converter, is input to the semiconductor device to be tested in the burn-in tank when the burn-in is operated at high-speed. The frequency of the signal is converted to the higher frequency, and the signal having the higher frequency is provided to the semiconductor device. As the result, the burn-in can be done in a shorter time for a high-speed sophisticated semiconductor device.
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patent: 5-258599 (1993-10-01), None
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Maesaki Yoshihiro
Teshigawara Hiroshi
Fujitsu Limited
Staas & Halsey , LLP
Tang Minh N.
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