Method of polarizing high molecular weight films
AssigneeKureha Kagaku Kogyo Kabushiki Kaisha
InventorsShinsuke Yoshikawa, Tohru Sasaki, Takao Ichii
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Abstract
A method of polarizing high molecular weight films comprising polarizing elongated strips of polar high molecular weight film upon which conductive thin films as opposing electrodes are deposited on both surfaces thereof the strips being assembled in an even number of layers and wound around a core into a roll shape. An embodiment includes inserting electrically insulating spacer layers between each layer or each unit of an even number of layers to prevent discharge effects.
Claims5
In a method of polarizing high molecular weight films comprising the steps of depositing conductive thin films as opposing electrodes on both surfaces of elongated strips of polar high molecular weight film material and polarizing said film strips, the improvement comprising:
- assembling the strips in an even number of layers and winding the assembled strips around a core into a roll shape and applying a D.C. potential across said electrodes with each two facing electrodes having the same polarity and alternating the polarity of the groups of facing electrodes of said assembly.
Dependencies are inferred from the claim text.