Electromagnetic wave shielding tape using nanomaterials
地域：
Taipei
摘要
An electromagnetic wave shielding tape using nanomaterials includes a carrier substrate, a first nanostructure, a second nanostructure, and an insulating enclosing structure for enclosing the carrier substrate, the first nanostructure, and the second nanostructure. The carrier substrate has a first surface and a second surface opposite to the first surface. The first nanostructure is disposed on the first surface of the carrier substrate, and the second nanostructure is disposed on the second surface of the carrier substrate.
說明書
1. Field of the Invention
The instant disclosure relates to an electromagnetic wave shielding tape, and more particularly to an electromagnetic wave shielding tape using nanomaterials.
2. Description of Related Art
In operation of an electronic device, a certain degree of electromagnetic field is generated, and electromagnetic fields generated by devices may interfere with each other or block each other, or normal operation of neighboring devices is affected. Therefore, if the electromagnetic fields generated by a circuit current are not shielded appropriately, the electromagnetic fields may interfere with each other, and is the quality of signal transmission is deteriorated, so that the devices cannot be operated normally.
As a manner for electronic devices to resist electromagnetic interference, an electromagnetic interference (EMI) shielding material is used as a shielding cover for resisting the electromagnetic interference. The principle of the electromagnetic interference shielding is to adopt a low-resistance conductive material, because the conductive material has a reflection and guiding effect on electromagnetic waves. According to the theory of electromagnetic wave shielding of metal materials, the electromagnetic shielding effect of the metal material is the sum of the reflection loss of the electromagnetic wave, the absorption loss of the electromagnetic wave and the loss of the electromagnetic wave in the shielding material.
權(quán)利要求
What is claimed is:1. An electromagnetic wave shielding tape using nanomaterials, comprising:a carrier substrate having a first surface and a second surface opposite to the first surface; a first nanostructure disposed on the first surface of the carrier substrate; a second nanostructure disposed on the second surface of the carrier substrate; and an insulating enclosing structure for enclosing the carrier substrate, the first nanostructure, and the second nanostructure; wherein the carrier substrate has a plurality of first micro concave areas and a plurality of second micro concave areas, the first micro concave areas are arranged as a first predetermined pattern disposed on the first surface of the carrier substrate, the second micro concave areas are arranged as a second predetermined pattern disposed on the second surface of the carrier substrate, and the first predetermined pattern and the second predetermined pattern are the same or different. 2. The electromagnetic wave shielding tape of claim 1 , wherein the carrier substrate is a metal plate or a metal foil; wherein the first nanostructure includes a plurality of first nanostructure groups disposed on the first surface of the carrier substrate and a first filling covering body disposed on the first surface of the carrier substrate to cover the first nanostructure groups, the first nanostructure groups are respectively disposed on the first micro concave areas and respectively extended outwardly from the first micro concave areas, and each first nanostructure group has at least one first nanotube or at least one first nanosheet, wherein the second nanostructure includes a plurality of second nanostructure groups disposed on the second surface of the carrier substrate and a second filling covering body disposed on the second surface of the carrier substrate to cover the second nanostructure groups, the second nanostructure groups are respectively disposed on the second micro concave areas and respectively extended outwardly from the second micro concave areas, and each second nanostructure group has at least one second nanotube or at least one second nanosheet, wherein the insulating enclosing structure includes a first insulating enclosing layer and a second insulating enclosing layer mated with each other. 3. The electromagnetic wave shielding tape of claim 2 , wherein the at least one first nanotube or the at least one first nanosheet is substantially vertical to the first surface of the carrier substrate, and the first nanostructure groups are arranged according to the first predetermined pattern to form a first layout pattern substantially the same or similar to the first predetermined pattern, wherein the at least one second nanotube or the at least one second nanosheet is substantially vertical to the second surface of the carrier substrate, and the second nanostructure groups are arranged according to the second predetermined pattern to form a second layout pattern substantially the same or similar to the second predetermined pattern. 4. The electromagnetic wave shielding tape of claim 2 , wherein the at least one first nanotube or the at least one first nanosheet is inclined relative to the first surface of the carrier substrate by a first predetermined angle, and the first nanostructure groups are arranged according to the first predetermined pattern to form a first layout pattern substantially the same or similar to the first predetermined pattern, wherein the at least one second nanotube or the at least one second nanosheet is inclined relative to the second surface of the carrier substrate by a second predetermined angle, and the second nanostructure groups are arranged according to the second predetermined pattern to form a second layout pattern substantially the same or similar to the second predetermined pattern. 5. The electromagnetic wave shielding tape of claim 1 , wherein the carrier substrate is a metal plate or a metal foil, the first nanostructure includes at least one first nanostructure coating layer disposed on the first surface of the carrier substrate or a plurality of first nanostructure coating layers stacked on top of one another and disposed on the first surface of the carrier substrate, and the second nanostructure includes at least one second nanostructure coating layer disposed on the second surface of the carrier substrate or a plurality of second nanostructure coating layers stacked on top of one another and disposed on the second surface of the carrier substrate, wherein the insulating enclosing structure includes a first insulating enclosing layer and a second insulating enclosing layer mated with each other. 6. The electromagnetic wave shielding tape of claim 1 , wherein the carrier substrate is a polymer network structure, the first nanostructure includes at least one first nanostructure coating layer disposed on the first surface of the carrier substrate or a plurality of first nanostructure coating layers stacked on top of one another and disposed on the first surface of the carrier substrate, and the second nanostructure includes at least one second nanostructure coating layer disposed on the second surface of the carrier substrate or a plurality of second nanostructure coating layers stacked on top of one another and disposed on the second surface of the carrier substrate, wherein the insulating enclosing structure includes a first insulating enclosing layer and a second insulating enclosing layer mated with each other.
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