Patent ID: 9326433
Filing Date: 2016-04-26
CPC Classification: H05K,Y10T

Claim Text:
1. A composite electromagnetic-wave-absorbing film comprising pluralities of adjacent electromagnetic-wave-absorbing film pieces adhered to a plastic base film; each electromagnetic-wave-absorbing film piece being a plastic film provided with a conductor layer having a large number of parallel, intermittent, linear scratches formed with irregular widths and intervals; said linear scratches having widths in a range of 0.1-100 μm for 90% or more and 1-50 μm on average, and intervals in a range of 0.1-200 μm and 1-100 μm on average; said linear scratches in each electromagnetic-wave-absorbing film piece being oriented in at least two directions with crossing angles of 30-90°; and pluralities of said adjacent electromagnetic-wave-absorbing film pieces being different from each other in at least one of the widths, intervals, lengths and directions of said linear scratches.