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:
Nov. 08, 1983
Filed:
Dec. 10, 1981
Applicant:
Inventors:
Shigeru Sudo, Tokyo, JP;
Masaaki Yada, Kawasaki, JP;
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
2191 / ; 2191 / ; 2191 / ;
Abstract
A method of sealing an aperture formed in a discharge tube using a laser beam. A tube having the aperture to be hermetically sealed is placed in a vessel having a window which transmits a laser beam. The aperture is covered with a blockade member. The blockade member is irradiated with the laser beam in order to melt the blockade member and seal the aperture.