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. 26, 2016
Filed:
Sep. 18, 2012
Cdgm Glass Co., Ltd., Chengdu, CN;
CDGM GLASS CO., LTD., Chengdu, CN;
Abstract
The invention provides a near-infrared absorption glass, a near-infrared absorption element and a near-infrared absorption filter each with good chemical stability and transmissivity property in the visible range. When such glass is 1 mm thick, the transmissivity of such glass is more than 80% at 400 nm, and more than 85% at 500 nm. The near-infrared absorption glass comprises cations such as P, Al, Li, Rand Cuas well as anions such as Oand F, wherein the Rrefers to Mg, Ca, Srand Ba, and wherein the content of the said Liis 1-15%. Furthermore, the water resistant stability Dof the said near-infrared absorption glass is Class 1 and the acid resistant stability Dis above Class 4.