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:
May. 01, 2001
Filed:
Jan. 20, 1999
Hironori Oguma, Hino, JP;
Hoya Corporation, Tokyo, JP;
Abstract
A glass for a near infrared absorption filter, which has spectral characteristics that it efficiently transmits light in a wavelength region of from ultraviolet region to 600 nm and selectively absorbs light in a near infrared region of a wavelength of larger than about 600 nm, a near infrared absorption filter formed of the above glass, and a solid-state image sensing device to which the above filter is applied, the glass comprising, by cationic %, 35 to 54% of P, 20 to 47% of Zn, 0 to 8% of the total, R, of Li, Na, K and Cs which are monovalent metal elements, 0 to 17% of the total, M, of Mg, Ca, Ba, Sr and Pb which are divalent metal elements, the total of R and M being 1 to 22%, 0.1 to 7% of As, 0.2 to 9% of Cu and 0 to 6% of Al.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile