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:
Jun. 11, 2024
Filed:
Jun. 06, 2019
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Keiichi Sato, Tokyo, JP;
Isao Ando, Tokyo, JP;
SUMITOMO METAL MINING CO., LTD., Tokyo, JP;
Abstract
A composite tungsten oxide film having high film smoothness, with a function to shield infrared light by reflecting infrared light by a thermal insulation, while maintaining transparency in a visible light region, and a method for manufacturing the composite tungsten oxide film, and a film-deposited base material or an article using these functions. A composite tungsten oxide film including a composition with a general formula MWOas main components, wherein 0.001≤x/y≤1, 2.2≤z/y≤3.0, organic components are not contained substantially, a transmittance in a wavelength of 550 nm is 50% or more, a transmittance in a wavelength of 1400 nm is 30% or less, and also, a reflectance in a wavelength of 1400 nm is 35% or more.