Metal base circuit board
AssigneeDenki Kagaku Kogyo Kabushiki Kaisha
InventorsTakeshi Miyakawa, Kenji Miyata, Taiki Nishi, Yoshihiko Okajima
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Abstract
Provided is a metal base circuit board having a new function of a light reflection in addition to the conventional printed circuit board function for mounting electronic parts. The metal base circuit board has a circuit arranged on a metal plate via an insulation layer. A white film is arranged at least one the insulation layer.
Claims26
A metal base circuit board, characterized in being a metal base circuit board wherein a circuit is provided on top of a metal plate through an insulating layer, and a white film is provided at least on top of the insulating layer.
A metal base circuit board characterized by being a metal base circuit board wherein a plurality of insulating layers and circuits are alternately provided on top of a metal plate, and a white film is provided at least on top of the insulating layer that is furthest from the metal plate.
A metal base circuit board, characterized by being a metal base circuit board wherein are layered a metal plate, an insulating layer formed on one or both sides of said metal plate, a circuit formed with a metal foil, and on top of said circuit, a metal of a different type from that forming said circuit, said circuit being formed from copper foil, and a nickel layer or an aluminum layer being layered on top of one portion or the entirety of said copper foil.
Dependencies are inferred from the claim text.