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. 29, 1990
Filed:
Apr. 03, 1989
Applicant:
Inventors:
Joseph S Hayden, South Abington Township, Lackawana County, PA (US);
David L Sapak, Avoca, PA (US);
Julia M Ward, Hollidaysburg, PA (US);
Assignee:
Schott Glass Technologies, Inc., Duryea, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ; C03C / ; C03C / ;
U.S. Cl.
CPC ...
2523 / ; 2523 / ; 501 45 ; 501 47 ; 501 48 ; 501 73 ; 501 78 ;
Abstract
A low- or no-silica phosphate glass useful as a laser medium and having a high thermal conductivity, K.sub.90.degree. C. >0.8 W/mK, and a low coefficient of thermal expansion, .alpha..sub.20.degree.-40.degree. C. <80.times.10.sup.-7 /.degree.C., consists essentially of (on a batch composition basis):