High-pressure-resistant hermetic seal terminal and method of manufacturing the same
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United States of America Patent
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Apr 16, 2013
Grant Date -
Jan 26, 2012
app pub date -
Apr 6, 2010
filing date -
Apr 8, 2009
priority date (Note) -
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Abstract
A high-pressure-resistant hermetic seal terminal includes an eyelet which has a through hole and a lead which is electrically insulated and hermetically sealed via a glass material in the through hole. The glass material is welded in a manner to extend on a lower surface of the eyelet from an end of the through hole to surroundings of the end of the through hole. Preferably, the eyelet has a counterbore, in the lower surface, extending in a region around and surrounding the through hole, and the glass material is welded to the inside of the counterbore.
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