Patent ID: 9728695
Date: 2017-08-08
CPC Classifications: H01L,H05K

Claim:
1. A mount substrate, configured to allow an LED chip to be mounted on, comprising: an insulation substrate; a connection conductor formed on a surface of the insulation substrate; a first white resist layer that covers the connection conductor, the first white resist layer having a first opening, a part of the connection conductor being exposed in the first opening; and a second white resist layer that covers the first white resist layer, the second white resist layer having a second opening inside the first opening, wherein the connection conductor comprises a copper foil and a plating layer formed inside the first opening on the copper foil, the plating layer is metal having oxidation-resistant and corrosion-resistant characteristics higher than those of copper, an outer edge of the plating layer is covered with an inner edge of the second white resist layer forming the second opening in planar view, the first white resist layer is formed of a white resist of epoxy resin, and the second white resist layer is formed of a white resist of fluorine resin.