Fitting structure for conductive sheet and electronic device
地域：
Kawasaki
摘要
The fitting structure for a conductive sheet of this invention comprises: a conductive member which is arranged within a predetermined region in a front case of an electronic device that has the front case and a rear case, said cases being first and second case pieces that are separably joined to each other, and which is electrically connected to ground patterns of the electronic device; and a conductive sheet which is arranged within the rear case so as to face the predetermined region of the front case and comprises a conductive layer. In a state where the front case and the rear case are joined with each other, the conductive layer of the conductive sheet is in contact with the conductive member and is electrically connected to the ground patterns of the electronic device.
說明書
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This application is a National Stage of International Application No. PCT/JP2016/087193, filed on Dec. 14, 2016, which claims priority from Japanese Patent Application No. 2016-022673, filed on Feb. 9, 2016, the entire disclosure of which is incorporated herein by reference.
This invention relates to a fitting structure for a conductive sheet in an electronic device, and the electronic device.
In general, in an electronic device, it is sometimes required that a conductive sheet having electrical conductivity with a ground pattern of the electronic device be arranged in a predetermined region of a case of the electronic device as countermeasures for preventing a malfunction and the like of the electronic device caused by an extrinsic noise coming from outside.
In Patent Document 1, there is disclosed a structure for fitting a conductive sheet through use of protrusions or claws formed on an inner side surface of a case piece of an electronic device.
- Patent Document 1: JP H06-152175 A
權(quán)利要求
The invention claimed is:1. A fitting structure for a conductive sheet, comprising:a conductive member, which is arranged in a predetermined region of a first case piece of an electronic device that includes the first case piece and a second case piece, the first case piece and the second case piece being separably coupled to each other, and is electrically connected to a ground pattern of the electronic device; and a conductive sheet, which includes a conductive layer, and is arranged in the second case piece so as to be opposed to the predetermined region of the first case piece, wherein, under a state in which the first case piece and the second case piece are coupled to each other, the conductive layer of the conductive sheet is brought into contact with the conductive member and is electrically connected to the ground pattern of the electronic device, wherein the predetermined region is:a partial region on a substrate assembly arranged in the first case piece; and a region in which an operation of the electronic device is possibly influenced by an extrinsic noise, or a region in which an unnecessary electromagnetic wave from the electronic device itself is required to be reduced or suppressed, wherein the conductive sheet is bonded to a region that is opposed to the predetermined region in an inner side surface of the second case piece, wherein the conductive sheet includes at least a first insulating layer, a first conductive layer as the conductive layer, and a second insulating layer that are laminated on one another, wherein the first insulating layer includes a cutout portion for exposing a part of a surface of the conductive layer, wherein, under a state in which the first case piece and the second case piece are coupled to each other, the conductive layer is brought into contact with the conductive member through the cutout portion of the first insulating layer of the conductive sheet and is electrically connected to the ground pattern of the electronic device. 2. A fitting structure for a conductive sheet according to claim 1 ,wherein the conductive member is made of a metal, is soldered to a land pattern that is formed on the substrate assembly in the predetermined region and has the same potential as a potential of the ground pattern of the electronic device, has a shape in which a cantilever beam extending obliquely has a contact portion at a distal end, and has elasticity in a direction in which the first case piece and the second case piece of the electronic devices are coupled to each other. 3. A fitting structure for a conductive sheet according to claim 1 ,wherein the conductive sheet further includes a third insulating layer, a second conductive layer, and a fourth insulating layer that are laminated on one another, and wherein the second conductive layer is not electrically connected to the ground pattern of the electronic device. 4. A fitting structure for a conductive sheet according to claim 1 , wherein the conductive sheet is positioned through use of a protruding portion in the second case piece of the electronic device. 5. A fitting structure for a conductive sheet according to claim 1 , wherein the conductive sheet has flexibility. 6. A fitting structure for a conductive sheet according to claim 1 ,wherein the conductive layer of the conductive sheet has an outer shape in plan view smaller than an outer shape of each of the first insulating layer and the second insulating layer across an outer periphery, wherein the first insulating layer and the second insulating layer each includes a peripheral edge portion extending outward from the conductive layer, and wherein the peripheral edge portion of the first insulating layer and the peripheral edge portion of the second insulating layer are joined to each other. 7. A fitting structure for a conductive sheet according to claim 3 ,wherein the first conductive layer of the conductive sheet has an outer shape in plan view smaller than an outer shape of each of the first insulating layer and the second insulating layer across an outer periphery, wherein the first insulating layer and the second insulating layer each includes a peripheral edge portion extending outward from the first conductive layer, wherein the peripheral edge portion of the first insulating layer and the peripheral edge portion of the second insulating layer are joined to each other, wherein the second conductive layer of the conductive sheet has an outer shape in plan view smaller than an outer shape of each of the third insulating layer and the fourth insulating layer across an outer periphery, wherein the third insulating layer and the fourth insulating layer each includes a peripheral edge portion extending outward from the second conductive layer, and wherein the peripheral edge portion of the third insulating layer and the peripheral edge portion of the fourth insulating layer are joined to each other. 8. An electronic device, comprising the fitting structure for a conductive sheet of claim 1 , the first case piece, the second case piece, and the ground pattern. 9. A fitting structure for a conductive sheet according to claim 2 ,wherein the conductive sheet further includes a third insulating layer, a second conductive layer, and a fourth insulating layer that are laminated on one another, and wherein the second conductive layer is not electrically connected to the ground pattern of the electronic device. 10. A fitting structure for a conductive sheet according to claim 2 , wherein the conductive sheet is positioned through use of a protruding portion in the second case piece of the electronic device. 11. A fitting structure for a conductive sheet according to claim 3 , wherein the conductive sheet is positioned through use of a protruding portion in the second case piece of the electronic device. 12. A fitting structure for a conductive sheet according to claim 2 , wherein the conductive sheet has flexibility. 13. A fitting structure for a conductive sheet according to claim 3 , wherein the conductive sheet has flexibility. 14. A fitting structure for a conductive sheet according to claim 4 , wherein the conductive sheet has flexibility. 15. A fitting structure for a conductive sheet according to claim 2 ,wherein the conductive layer of the conductive sheet has an outer shape in plan view smaller than an outer shape of each of the first insulating layer and the second insulating layer across an outer periphery, wherein the first insulating layer and the second insulating layer each includes a peripheral edge portion extending outward from the conductive layer, and wherein the peripheral edge portion of the first insulating layer and the peripheral edge portion of the second insulating layer are joined to each other. 16. A fitting structure for a conductive sheet according to claim 3 ,wherein the conductive layer of the conductive sheet has an outer shape in plan view smaller than an outer shape of each of the first insulating layer and the second insulating layer across an outer periphery, wherein the first insulating layer and the second insulating layer each includes a peripheral edge portion extending outward from the conductive layer, and wherein the peripheral edge portion of the first insulating layer and the peripheral edge portion of the second insulating layer are joined to each other. 17. A fitting structure for a conductive sheet according to claim 4 ,wherein the conductive layer of the conductive sheet has an outer shape in plan view smaller than an outer shape of each of the first insulating layer and the second insulating layer across an outer periphery, wherein the first insulating layer and the second insulating layer each includes a peripheral edge portion extending outward from the conductive layer, and wherein the peripheral edge portion of the first insulating layer and the peripheral edge portion of the second insulating layer are joined to each other. 18. A fitting structure for a conductive sheet according to claim 5 ,wherein the conductive layer of the conductive sheet has an outer shape in plan view smaller than an outer shape of each of the first insulating layer and the second insulating layer across an outer periphery, wherein the first insulating layer and the second insulating layer each includes a peripheral edge portion extending outward from the conductive layer, and wherein the peripheral edge portion of the first insulating layer and the peripheral edge portion of the second insulating layer are joined to each other.
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