Abstract: The present invention provides a surface treated copper foil in which a dropping of the roughening particles from a roughening treatment layer provided on the surface of the copper foil is favorably suppressed and an occurrence of wrinkles or stripes when bonding with an insulating substrate is favorably suppressed.

Abstract: The present invention provides a surface treated copper foil in which a dropping of the roughening particles from a roughening treatment layer on the surface of the copper foil is suppressed and an occurrence of wrinkles or stripes when bonding with an insulating substrate is suppressed. The surface of the roughening treatment layer satisfies one or more of the following: a roughness Ra is 0.08 to 0.20 ?m, a roughness Rz is 1.00 to 2.00 ?m, a roughness Sq is 0.16 to 0.30 ?m, a roughness Ssk is ?0.6 to ?0.35, a roughness Sa is 0.12 to 0.23 ?m, a roughness Sz is 2.20 to 3.50 ?m, a roughness Sku is 3.75 to 4.50, and a roughness Spk is 0.13 to 0.27 ?m, a glossiness of a TD of the surface of the side of the roughening treatment layer of the surface treated copper foil is 70% or less.

Abstract: Disclosed is a surface treated copper foil in which the dropping of the roughening particles from the roughening treatment layer provided on the surface of the copper foil is favorably suppressed. Also disclosed is a surface treated copper foil, comprising a copper foil, a roughening treatment layer on one surface, and/or another roughening treatment layer the other surface of the copper foil, wherein a height of roughening particles of the roughening treatment layer is 5 to 1000 nm from the surface, a color difference ?E*ab according to JIS Z 8730 of a surface of a side of the roughening treatment layer is 65 or less, and a glossiness of the TD of the surface of the side of the roughening treatment layer is 70% or less.

Abstract: The present invention provides a surface treated copper foil in which a dropping of the roughening particles from a roughening treatment layer provided on the surface of the copper foil is favorably suppressed and an occurrence of wrinkles or stripes when bonding with an insulating substrate is favorably suppressed. The surface treated copper foil, comprising a copper foil, and a roughening treatment layer on at least one surface of the copper foil, wherein a surface of the side of the roughening treatment layer of the surface treated copper foil satisfies one or more selected from the following items (1-1) to (1-8), and (1-1) a roughness Ra is 0.08 to 0.20 ?m, (1-2) a roughness Rz is 1.00 to 2.00 ?m, (1-3) a roughness Sq is 0.16 to 0.30 ?m, (1-4) a roughness Ssk is ?0.6 to ?0.35, (1-5) a roughness Sa is 0.12 to 0.23 ?m, (1-6) a roughness Sz is 2.20 to 3.50 ?m, (1-7) a roughness Sku is 3.75 to 4.50, (1-8) a roughness Spk is 0.13 to 0.

Abstract: The present invention provides a surface treated copper foil in which a dropping of the roughening particles from a roughening treatment layer provided on the surface of the copper foil is favorably suppressed and an occurrence of wrinkles or stripes when bonding with an insulating substrate is favorably suppressed.

Abstract: Disclosed is a surface treated copper foil in which the dropping of the roughening particles from the roughening treatment layer provided on the surface of the copper foil is favorably suppressed. Also disclosed is a surface treated copper foil, comprising a copper foil, a roughening treatment layer on one surface, and/or another roughening treatment layer the other surface of the copper foil, wherein a height of roughening particles of the roughening treatment layer is 5 to 1000 nm from the surface, a color difference ?E*ab according to JIS Z 8730 of a surface of a side of the roughening treatment layer is 65 or less, and a glossiness of the TD of the surface of the side of the roughening treatment layer is 70% or less.