Roll Laminate, Method For Producing Roll Laminate, Method For Producing Laminate, Method For Producing Build-Up Substrate, Method For Producing Printed Wiring Board, And Method For Producing Electronic Device
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United States of America Patent
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Issued Date -
Nov 30, 2017
app pub date -
May 23, 2017
filing date -
May 24, 2016
priority date (Note) -
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Abstract
Provided herein is a roll laminate that can desirably reduce scrapes on a metal foil surface even when a long metal foil is wound into a roll, and that can improve the productivity in use of the unwound roll metal foil. The roll laminate includes a long first metal foil and a long second metal foil that are bonded to each other via an adhesive layer, and are wound around a support. The adhesive layer has a thickness of 1 μm or more in at least a part of the layer, and is provided along the longitudinal direction of the first and the second metal foil in at least both edge portions in the width of an overlapping region of the first and the second metal foil viewed in plan.
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