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:
Feb. 19, 2013
Filed:
Aug. 10, 2009
David Shuji Sumida, Malibu, CA (US);
David Shuji Sumida, Malibu, CA (US);
The Boeing Company, Chicago, IL (US);
Abstract
The present embodiment provides a thin disk laser disk element having improved direct cooling through the use of a barrier material directly attached to the high reflectivity layer of the thin disk element. This barrier is needed due to noticeable degradation of the reflectivity of the thin disk element without the barrier material. A barrier material of sapphire (crystalline AlO) is preferable, given a desire to have adequate thermal conductivity through the barrier material, proper matching of the coefficient of thermal expansion with the other components of the thin disk, and to save monetary costs. In another preferred embodiment, an intermediate layer is interposed between the thin disk element and the barrier material to provide improved adhesion between the barrier material and the thin disk element. Preferred crystallographic orientations for sapphire barrier material are provided as well.