US Patent 11122676 Flexible wiring circuit board and imaging device
Patent 11122676 was granted and assigned to Nitto Denko on September, 2021 by the United States Patent and Trademark Office.
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A flexible wiring circuit board includes a first insulating layer, a wire disposed at one side in a thickness direction of the first insulating layer, a second insulating layer disposed at one side in the thickness direction of the wire, a shield layer disposed at one side in the thickness direction of the second insulating layer, and a third insulating layer disposed at one side in the thickness direction of the shield layer. The shield layer includes an electrically conductive layer and two barrier layers sandwiching the electrically conductive layer therebetween in the thickness direction. The electrically conductive layer is selected from a metal belonging to a group 11, and the fourth period and the fifth period in the periodic table, and the barrier layer is selected from a metal belonging to groups 4 to 10, and the fourth to the sixth periods in the periodic table.
US Patent 11122676 Flexible wiring circuit board and imaging device
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