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:
Apr. 05, 1994
Filed:
Dec. 10, 1992
Applicant:
Inventors:
Koutoku Ohmi, Hiratsuka, JP;
Takashi Nire, Hiratsuka, JP;
Assignee:
Kabushiki Kaisha Komatsu Seisakusho, Hiratsuka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427 66 ; 427 69 ; 4272552 ; 4272553 ; 4274192 ; 25230145 ; 313498 ; 313509 ;
Abstract
In order to provide a thin oxysulfide film excellent in crystallinity and suitable for use as a luminescent layer of a thin film EL device and a thin fluorescent film for a CRT, a metal element is evaporated from an evaporation source provided in a chamber in which a sulfur gas and an oxygen gas have been introduced to combine those substances chemically on a substrate provided in the chamber to form a thin oxysulfide film on a surface of the substrate.