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Light transmissive films
 
   
Document Number
US Patent 7318948
Issued Date
January 15, 2008
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Abstract
A thin film of zinc oxide is deposited by sputter deposition in a partial pressure of oxygen on a suitable at a low temperature, such as less than 300 degrees Centigrade, to provide an amorphous film. This should take place in a sputtering environment which will produce an oxygen deficient film layer. After this, the film is crystallized by heat treatment in an oxygen free environment in a given temperature range. The thin film produced by this process will have very low electrical resistance, is transparent from about the visible to beyond 10 microns in wavelength, is highly resistant to laser energy and is highly conductive.
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Light transmissive films - US Patent 7318948 Drawing
Drawing from US Patent 7318948
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Number of Claims:
10
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Published
January 15, 2008
Application Number
10/914,019
Filed
August 9, 2004
US Classification
427/162   427/164 427/167 428/425.6
Int'l Classification
B05D   5/06   (20060101)  
Parent Case
RELATED APPLICATIONS This application is a refile of an application Ser. No. 09/566,366, filed on 8 May 2000, entitled Method of Making High Conductivity I-R Transparent Zinc Oxide Films and Films Therefrom, by the same inventors, now abandoned. This Application is a Divisional of co-pending application, Ser. No. 10/134,997, filed on 30 Apr. 2002 now abandoned, having the same title.
USPTO Field of Search
427/162   427/164   427/167   428/423  
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