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:
Aug. 22, 2000
Filed:
Mar. 12, 1998
Applicant:
Inventors:
Akimasa Yuuki, Tokyo, JP;
Masami Hayashi, Tokyo, JP;
Assignee:
Mitsushita Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ; G02F / ; G02F / ; C30B / ;
U.S. Cl.
CPC ...
349 95 ; 349122 ; 349187 ; 216 23 ;
Abstract
A first glass substrate which is in contact with a liquid crystal layer is etched from its outer face. In this case, a panel to be etched is disposed on a susceptor with the first glass substrate being directed toward a shower head. The etching is carried out by uniformly spraying etchant from the shower head onto a face of the glass substrate.