Maryland's Defense Patent Database

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Transparent armor with improved multi-hit performance by use of a thin cover glass

Patent image
CCDC ARL

The disclosure is directed to a transparent armor laminate having a glass, glass-ceramic or ceramic strike face layer, one or a plurality of glass, glass-ceramic (“GC”), ceramic (“C”) or polymeric (“P”) backing layer behind the strike face layer, one or a plurality of spall catcher (“SC”) layers behind the backing layer(s), and a thin cover glass layer laminated to the strike face, the thin layer being the first layer to be impacted by any incoming projectile or debris. The cover glass has a thickness ≦3 mm. In another embodiment the cover glass thickness is ≦1 mm. Additionally, a defrosting/defogging element is laminated between the cover glass and the strike face.

Inventors: 
Dabich II, Leonard Charles; Sheng, Huan-hung; Tietje, Steven Alvin; Zhang, Jian-zhi Jay; Patel, Parimal J.
Patent Number: 
Technical domain: 
Machines and Processing
FIle Date: 
2011-06-27
Grant Date: 
2014-02-04
Grant time: 
953 days
Grant time percentile rank: 
17
Claim count percentile rank: 
3
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US ARMY