MARUWA CO., LTD.

MARUWA CO., LTD. is the leading manufacturer of technical ceramics products such as substrates, wafers, pressed products and more for over 40 years.

Our headquarter and R&D dept. are located in Japan, and plants in Japan and Malaysia. Also, we have worldwide sales network located in North America, U.K., Malaysia, Taiwan, China (Beijing, Shanghai, Hong Kong) and Korea.

We offer ceramic substrates, wafers and pressed products with extremely high performance for many applications such as power electronics (including IGBT modules and MOSFET module), semiconductor, automotive electronics, LED chips and LED packages, which require both high thermal conductivity and insulation. Especially, our AlN substrates has over 60% of the world market share for the use of ceramic circuit boards.

MARUWA provides solutions to meet your technical requirements with a variety of materials (alumina, zirconia toughened alumina, aluminum nitride and silicon nitride) and processing (laser scribing, diamond scribing, multilayer, metallization including thin / thick film metallization and DPC, punching, polishing / lapping and mechanical processing).

Primary Activity

Manufacturer of technical ceramics products made from alumina, zirconia toughened alumina (ZTA), aluminum nitride (AlN) and silicon nitride.