Composite electromagnetic-wave-absorbing film
OwnerSeiji Kagawainventor
Life of this patent
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Abstract
A composite electromagnetic-wave-absorbing film comprising pluralities of adjacent electromagnetic-wave-absorbing film pieces arranged on a plastic base film, each electromagnetic-wave-absorbing film piece being a plastic film provided with a conductor layer having a large number of substantially parallel, intermittent, linear scratches formed with irregular widths and intervals in plural directions, and pluralities of the electromagnetic-wave-absorbing film pieces being different in at least one of the widths, intervals, lengths and directions of the linear scratches.
Claims15
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.
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 two directions with crossing angles of only 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.
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 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;
- 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, wherein
- the large number of linear scratches of each said electromagnetic-wave-absorbing film piece comprises at least two groups of the linear scratches comprising a first group and a second group, the linear scratches of the first group are parallel to each other, and the linear scratches of the second group are parallel to each other, and
- a direction of the linear scratches of the first group and a direction of the linear scratches of the second group are oriented in two directions with crossing angles of 30-90°.
Dependencies are inferred from the claim text.