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. 20, 2014
Filed:
May. 29, 2012
Vinh Q Nguyen, Fairfax, VA (US);
Jasbinder S Sanghera, Ashburn, VA (US);
Shyam S Bayya, Ashburn, VA (US);
Geoff Chin, Arlington, VA (US);
Ishwar D Aggarwal, Fairfax Station, VA (US);
Vinh Q Nguyen, Fairfax, VA (US);
Jasbinder S Sanghera, Ashburn, VA (US);
Shyam S Bayya, Ashburn, VA (US);
Geoff Chin, Arlington, VA (US);
Ishwar D Aggarwal, Fairfax Station, VA (US);
The United States of America, as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
The present invention is generally directed to a method of making chalcogenide glasses including holding the melt in a vertical furnace to promote homogenization and mixing; slow cooling the melt at less than 10° C. per minute; and sequentially quenching the melt from the top down in a controlled manner. Additionally, the present invention provides for the materials produced by such method. The present invention is also directed to a process for removing oxygen and hydrogen impurities from chalcogenide glass components using dynamic distillation.