The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 1992
Filed:
Jun. 11, 1991
Applicant:
Inventors:
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B27G / ;
U.S. Cl.
CPC ...
1563796 ; 437215 ; 1563798 ; 156538 ; 156578 ;
Abstract
An apparatus for sealing a semiconductor package, which is used for performing a sealing operation, includes a unit for emitting ultraviolet rays, and a package base having an entrance surface and an exit surface. The package base between the entrance surface and the exit surface is made of quartz glass. The emitting means closely contacts the entrance surface. And ultraviolet rays emitting by the emitting unit are applied through the quartz glass to the semiconductor package which is mounted on the exit surface.