Patent ID: 8835766
Filing Date: 2014-09-16
Classification: H01B

Abstract:
1. An audio/video cable, comprising: a plurality of parallel arranged insulated wires each comprising a copper conductor for transmitting audio/video signals and an insulation layer formed on a periphery thereof, wherein the copper conductor comprises a soft dilute copper alloy material containing pure copper, Ti as an additive element and an inevitable impurity as a balance, wherein the soft dilute copper alloy material comprises a recrystallized structure having a grain size distribution such that crystal grains in a surface layer are smaller than internal crystal grains, wherein the surface layer comprises a crystal structure such that an average crystal grain size from a surface of the surface layer up to a depth of 50 μm toward inside of the soft dilute copper alloy material is not more than 20 μm, wherein the Ti in a form of one of TiO, TiO wherein the soft dilute copper alloy material includes not less than 2 and not more than 12 mass ppm of sulfur, more than 2 mass ppm but not more than 30 mass ppm of oxygen, and not less than 4 and not more than 55 mass ppm of Ti.