公开(公告)号：EP2160082A4

公开(公告)日：2016-08-24

申请号：EP08752683

申请日：2008-05-14

Applicant: DENKA COMPANY LTD

Inventor： MIYAKAWA TAKESHI ,  MIYATA KENJI ,  NISHI TAIKI ,  OKAJIMA YOSHIHIKO

IPC: H05K1/05 ,  F21V7/00 ,  F21V7/22

CPC classification number: H05K1/0274 ,  H01L33/60 ,  H05K1/056 ,  H05K3/28 ,  H05K2201/0209 ,  H05K2201/0227 ,  H05K2201/0266 ,  H05K2201/0338 ,  H05K2201/09909 ,  H05K2201/10106 ,  H05K2201/2054

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.