Semiconductor device and method for producing the same

Details Semiconductor device and method for producing the same Semiconductor device and method for producing the same

1988-09-30

1990-05-15

James, Andrew J.

357 49, 357 52, 357 54, 357 74, H01L 2328, H01L 2302

Patent

active

049262386

ABSTRACT:
A semiconductor device wherein a coating film which is made of a polyimide resin or a polyimide isoindoloquinazolinedione resin and which is at least 10 .mu.m thick is disposed on at least an active region of a semiconductor substrate, and the resultant semiconductor substrate is encapsulated in a ceramic package. The semiconductor device has troubles relieved conspicuously, the troubles being ascribable to alpha-rays which come flying from impurities contained in the material of the package.

REFERENCES:
patent: 3959047 (1976-05-01), Alberts et al.
patent: 4040083 (1977-08-01), Saiki et al.
patent: 4092697 (1978-05-01), Spaight
patent: 4180828 (1979-12-01), Schermer et al.
patent: 4199777 (1980-04-01), Maruyama et al.

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