▎ 摘　　要

NOVELTY - Manufacture of circuit board involves insulating flat plate of a copper layer formed on one side surface of the pin layer, patterning pinned layer having specific pattern, exposing specific pattern by removing copper layer, etching graphene layer and removing pinned layer. USE - Manufacture of circuit board (claimed). ADVANTAGE - The circuit board is efficiently manufactured. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for circuit board.