Patent ID: 6781061
Filing Date: 2004-08-24
Classification: H01B

Abstract:
A flat shield cable comprising:a plurality of signal lines, each line having an insulating cover arranged parallel with each other; a shield tape having an impedance adjustment intervening tape covering the plurality of signal lines and a shield layer covering the impedance adjustment intervening tape, wherein the impedance adjustment insulating tape is made of a resin material having a dielectric constant between 1.7 and 2.8; a drain line provided on one side of an array of the plurality of signal lines, each having the insulating cover, so as to be parallel with the plurality of signal lines and to be in contact with the shield layer of the shield tape from outside; and an insulating sheath covering all of the plurality of signal lines, the shield tape, and the drain line, wherein each of the signal lines has an outer diameter of 1.3 mm, a core conductor of each of the signal lines has a cross-sectional area of 0.13 to 0.22 mm2, the insulating cover of each of the signal lines is made of an insulating material having a relative dielectric constant of 1.7 to 2.8, and each of the signal lines has a characteristic impedance of 75 &OHgr;Â±10%.