Patent ID: 6049127
Filing Date: 2000-04-11
Classification: H01L

Abstract:
A hermetically sealed tungsten-copper composite package container for a microwave device, comprising:a hermetic package body including a base plate, an inner plate provided on the base plate for receiving thereon a microwave device, and a plurality of side walls respectively having a plurality of openings for each passing therethrough an external connection so as to electrically connect the microwave device to an external system, wherein the base plate, the inner plate and the plurality of side walls are incorporated into a single tungsten-copper composite body pattern;a plurality of first insulating materials formed higher than the inner plate for receiving thereon the microwave device between the inner plate and the respective side walls;a container lid formed of a tungsten-copper composite material and for covering the package container body; anda plurality of second insulating materials formed extending from a lower surface of the container lid and for being inserted into corresponding ones of the plurality of openings, whereby the microwave device is mounted on the inner plate, the external connection is connected through a corresponding ones of the via holes to the microwave device, and the second insulating materials formed on the container lid are inserted into corresponding ones of the plurality of openings for thereby electrically insulating the external connection from the package body.