Magnetic shielding tape for cable and method for manufacturing thereof

A magnetic shielding tape for a cable, which transmits a signal, comprising:

• a thin film magnetic layer including at least one or more metal ribbon sheets, each of which is divided into a plurality of fine pieces by flaking process, and a gap provided between adjacent fine pieces among the plurality of fine pieces;
• a filler filled in the gap;
• a cover film layer adhered to one side surface of the thin film magnetic layer through a first adhesive layer;
• and
• a conductive layer adhered to the other side surface of the thin film magnetic layer through a second adhesive layer;
• wherein the filler is a material other than air that is different from the first adhesive layer and the second adhesive layer.

A multi-layered magnetic shielding tape comprising:

• a conductive layer having electrical conductivity;
• a magnetic layer provided on the conductive layer, and having a plurality of magnetic pieces in which a gap is provided each between the plurality of magnetic pieces, each of which has electrical conductivity, and which are spaced apart from one another by the gap, thereby being electrically isolated from one another;
• a filler filled in the gap;
• and
• an adhesive layer provided between the conductive layer and the magnetic layer and configured to adhere the conductive layer and the magnetic layer to each other, wherein, when the i-layered magnetic shielding tape is wound around a wire, which transmits a first signal, and the conductive layer emits a second signal, the magnetic layer absorbs at least 50% of the second signal in a frequency band of a predetermined range;
• wherein the filler is a material other than air that is different from the adhesive layer.

A multi-layered magnetic shielding tape comprising:

• a conductive layer having electrical conductivity;
• a magnetic layer provided on the conductive layer, and having a plurality of magnetic pieces in which a gap is provided each between the plurality of magnetic pieces, each of which has electrical conductivity, and which are spaced apart from one another by the gap, thereby being electrically isolated from one another;
• and
• an adhesive layer provided between the conductive layer and the magnetic layer and configured to adhere the conductive layer and the magnetic layer to each other, wherein a width of each of the plurality of magnetic pieces is equal to or greater than 10 um and equal to or less than 5 mm, and a width of the gap is equal to or greater than 0.1 um and equal to or less than 300 um, and
• when a frequency, in which an imaginary part of relative permeability of the magnetic layer becomes a maximum value, refers to a maximum shielding frequency, the maximum shielding frequency is increased as the width of the gap is larger and the width of each of the plurality of magnetic pieces is smaller.