
US Patent Application No: 2009/0053,863
Number of patents in Portfolio can not be more than 2000
Mask and Manufacturing Method of a Semiconductor Device and a Thin Film Transistor Array Panel Using the Mask
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Feb 26, 2009
Publication date -
Oct 24, 2008
filing date -
12/258,228
serial no -
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Abstract
An exposure mask is provided, which includes: a light blocking opaque area blocking incident light; a translucent area; and a transparent area passing the most of incident light, wherein the translucent area generates the phase differences in the range of about −70° to about +70°.
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First Claim
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