Mitsubishi Gas Chemical was the first vendor of materials for PWBs in Japan. Since then, MGC has continued to produce advanced materials for the PWB industry with its innovative advanced technology. BT resin materials originally invented by MGC, have excellent mechanical, thermal, and electrical properties. So they have achieved a high market share in the various applications such as IC plastic packages, Chip LED, COB, and high frequency devices, where they are used. And also, MGC produces laminate for motherboard, that meets the stringent requirements of the market. The product number prefix "CCL" designates core laminate, and "GHPL" or "GEPL" designate prepreg (B-stage).