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:
Feb. 27, 2024
Filed:
Aug. 23, 2019
Nippon Light Metal Company, Ltd., Tokyo, JP;
NIPPON LIGHT METAL COMPANY, LTD., Tokyo, JP;
Abstract
The present invention provides an FPD pellicle frame body in which external color is controlled so as to make it easy to prevent scattering of exposure light, to perform the foreign object non-adhesion inspection before use, and the like, and a method for manufacturing the frame body efficiently. The FPD pellicle frame body of the present invention comprises: a stainless-steel member having a transparent oxide coating, and a film thickness of the transparent oxide coating being 420 nm to 700 nm. It is preferable that a brightness index L* due to the interference color of the reflected lights from the surface of the transparent oxide coating and the surface of the stainless-steel member is 33 or less.