Hermetic and non-hermetic packaging of devices

Details Hermetic and non-hermetic packaging of devices Hermetic and non-hermetic packaging of devices

1979-05-21

1980-07-29

Mehr, Milton S.

Metal working

Method of mechanical manufacture

Electrical device making

29588, 29589, 174 52PE, H01R 4300

Patent

active

042143640

ABSTRACT:
In the packaging of devices, such as active and passive electronic devices, the devices can be selectively hermetically sealed or non-hermetically sealed, as desired, using to a large extent common apparatus. In the limit, only the fusion sealing for hermetic devices and plastic encapsulation for non-hermetic devices need be carried out on separate machines. This is obtained by use of a particular form of lead frame, common for both forms of devices, with common apparatus and steps prior to and following the sealing or encapsulation.

REFERENCES:
patent: 3423638 (1969-01-01), Dix et al.
patent: 3793714 (1974-02-01), Bylander
patent: 4003544 (1977-01-01), Bliven et al.

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