Patent ID: 11866536
Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC C  B  H | IPC B  C  H

Claim 0:
1. A copper-clad laminate comprising:
an insulating layer containing a cured product of a resin composition; and
a surface treated copper foil in contact with one surface or both surfaces of the insulating layer,
wherein the resin composition contains a compound having at least one group represented by a following Formula (1) or (2) in a molecule and a crosslinking type curing agent:, , (in Formula (1), s represents an integer 0 to 10, Z represents an arylene group, and R1 and R3 each independently represent a hydrogen atom or an alkyl group), , (in Formula (2), R4 represents a hydrogen atom or an alkyl group), and
the surface treated copper foil is a surface treated copper foil including a finely roughened particle treatment layer of copper on at least one surface side of copper foil, wherein
the finely roughened particle treatment layer is formed of fine copper particles having a particle size of 40 to 200 nm,
a heat resistance treatment layer containing nickel is provided on the finely roughened particle treatment layer,
a rust prevention treatment layer containing at least chromium is provided on the heat resistance treatment layer,
a silane coupling agent treatment layer is provided on the rust prevention treatment layer, and
an amount of nickel attached in the heat resistance treatment layer is 30 to 60 mg/m2.