Thermal measuring and testing – Thermal testing of a nonthermal quantity – Of susceptibility to thermally induced deteriouration – flaw,...
Patent
1983-11-04
1986-02-18
Swisher, S. Clement
Thermal measuring and testing
Thermal testing of a nonthermal quantity
Of susceptibility to thermally induced deteriouration, flaw,...
73432SD, G01N 1300
Patent
active
045710937
ABSTRACT:
The method of testing the moisture ingression rate of semiconductor devices encapsulated in plastic packages comprising first treating the devices in a pressure cooker at elevated temperature and immediately thereafter treating said devices in an 85.degree. C. temperature and 85% humidity atmosphere for a time.
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patent: 3913217 (1975-10-01), Misawa et al.
patent: 3996602 (1976-12-01), Goldberg et al.
patent: 4001872 (1977-01-01), Khajezadeh
patent: 4248920 (1981-02-01), Yoshizumi et al.
patent: 4365264 (1982-12-01), Mukai et al.
Burroughs Corporation
Green Robert A.
Peterson Kevin R.
Starr Mark T.
Swisher S. Clement
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