Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Philip Thomas Rumsby0
Date of Patent
June 26, 2018
0Patent Application Number
135029750
Date Filed
October 19, 2009
0Patent Citations Received
0
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Patent Primary Examiner
Patent abstract
An apparatus and method are described that use a cylindrical drum type vacuum drum and allows accurately registered, high resolution laser patterning of thin films on discrete lengths or flexible substrate material that are unwound from an unwind reel and after processing are rewound onto a rewind reel. Length compensator units are provided either side of the drum to accommodate variations in the length of the substrate due to differential rotation of the drum and the unwind and rewind reels.
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