Conductive flexographic and gravure ink
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United States of America Patent
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Issued Date -
Aug 14, 2003
app pub date -
Feb 14, 2002
filing date -
Feb 14, 2002
priority date (Note) -
Abandoned
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Abstract
A conductive ink composition comprising a carboxylic acid- or anhydride-functional aromatic vinyl polymer, a conductive particulate material, and/or a conductive flake material (any material with an aspect ratio of at least about 5:1) may be printed in a thickness of five microns or less to provide sufficient conductivity for RFID tag antenna and other printed conductive and semi-conductive structures. Printing the ink by flexographic or gravure printing offers advantages over other printing methods previously used.
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