AUXILIARY SHEET FOR LASER DICING
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United States of America Patent
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app pub date -
Nov 16, 2011
filing date -
Dec 6, 2010
priority date (Note) -
Abandoned
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Abstract
An auxiliary sheet for laser dicing, which is not cut fully even in a dicing step using a short-wavelength laser and does not deteriorate workability, is provided. The auxiliary sheet for laser dicing of the present invention is characterized by comprising a substrate formed of a polyolefin film and an adhesive layer provided to one surface of the substrate, wherein total light transmittance is 50% or higher in a wavelength range of 300 to 400 nm and haze is 70% or higher in a wavelength range of 300 to 400 nm.
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