Patent ID: 7493680
Filing Date: 2009-02-24
Classification: H01L,H03H,Y10T

Abstract:
1. A method of fabricating airtight terminals each comprising a single lead which penetrates through a filing member surrounded by a stem, the method comprising: forming a plurality of leads from at least part of a lead frame in such a manner that the plurality of leads are spaced apart at predetermined intervals and each remain connected to the lead frame at at least one end thereof; forming a filling member around each lead at a predetermined position along the length of respective lead while the plurality of leads remain connected to the lead frame; mounting a stem in such a manner as to surround the filling member of each lead while the plurality of leads remain connected to the lead frame; forming a conductive lead on each stem; forming metal films on surfaces of the leads, the conductive leads and the stems mounted around the leads; and separating each of the plurality of leads from the lead frame.