Stainless steel foil for flexible display use
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United States of America Patent
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Feb 24, 2015
Grant Date -
Mar 24, 2011
app pub date -
May 13, 2009
filing date -
May 16, 2008
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Abstract
The present invention provides stainless steel foil for flexible display use which enables fabrication of a TFT substrate for display use which is superior in shape recovery after being rolled up or bent and which is high in surface flatness and is characterized by having a thickness of 20 μm to 200 μm, a surface roughness Ra of 50 nm or less, and a shape recovery of a distortion angle of 10° or less after being wound around a 30 mm diameter cylinder.
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