Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Carl Franklin Cline0
Linda Ruth Pinckney0
Jian-Zhi Jay Zhang0
Date of Patent
January 25, 2011
Patent Application Number
11710145
Date Filed
February 23, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention is directed to transparent glass-ceramic materials for use in transparent armor systems. Applications include armor systems for ground vehicles and aircraft as well as personal protective equipment. The glass-ceramic materials according to the invention exhibit a ballistic limit vs. areal density line slope of 1.0 or greater, preferably 1.1 or greater and more preferably 1.2 or greater. The crystalline phase of the glass ceramic materials may include β-quartz, spinel, spinel solid solutions, mullite and phases known in the art to be transparent.
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