Patent ID: 9232629
Filing Date: 2016-01-05
CPC Classification: H05K

Claim Text:
1. A metal core board for a vehicle-mountable junction box, which is mountable on the vehicle-mountable junction box, comprising: a core plate forming an intermediate layer of the metal core board comprising an island, a plurality of slits that surround an entirety of the island, and separating connection parts present between the slits; wherein the core plate is a first thickness; wherein the separating connection parts are a second thickness; wherein the plurality of slits are a third thickness that is more than twice the first thickness; wherein the second thickness and the third thickness are substantially the same; wherein the plurality of slits have shapes of bent and/or straight thready-lines; and wherein, in the state where the island is held between insulating layers stacked on both of two surfaces of the core plate, the separating connection parts are removed and the island is made electrically independent from a remaining part of the core plate while being held between the insulating layers.