Printing of multiple inks to achieve precision registration during subsequent processing
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United States of America Patent
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Sep 19, 2017
Issued Date -
N/A
app pub date -
Jun 5, 2015
filing date -
Jun 20, 2014
priority date (Note) -
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Abstract
Methods of achieving precision registration in a roll to roll process for making patterned substrates by depositing first and second inks in a predetermined pattern, the predetermined pattern having fiducial marks and main pattern marks. One of these inks prints the fiducial marks onto a substrate while another ink prints main pattern marks on the same substrate such that the predetermined pattern bears a predictable spatial relationship to the pattern of fiducial marks. Consequently, even if the ink forming the predetermined pattern is invisible, or has such low contrast with the substrate that it is effectively invisible, or even has been dissolved away in a subsequent processing step, it is still possible to know where the predetermined pattern is by referring to the pattern of fiducial marks. Touch screen displays including patterned substrates prepared of the methods are also disclosed.
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