Company Snapshot:

Basic Information:

Sumika Electronic Materials, Inc. is a wholly owned subsidiary of Sumitomo Chemical Co. Ltd. located in Phoenix Arizona. In 2003, Sumitomo Chemical Co., Ltd. purchased the assets of ATMI’s GaAs epiwafer business and formed two new companies in Japan and the U.S. to strengthen its position in the market. Sumika Electronic Materials has been chartered to serve the global Semiconductor, Electronics, and IT-related industries.

Manufacturing Snapshot:

  • 50,000 sq. ft facility, 6000 sq. ft. clean room
  • Development and Production of Epitaxial Wafers for HBT, pHEMT, LED, Diode, and Solar Energy Applications
  • PES Grinding for the Composites Industry

Development and Sales:

Sumika Electronic Materials, Inc. also handles Sumitomo Chemical’s IT-Related Businesses for the Americas Region. This includes the selling and distribution of:

  • SEP Materials
  • Photoresist Resins and Chemicals
  • Epitaxial Wafers
  • Polarizing Films

Recent News:

Our Certifications:

Our Parent Company:

  • 100 Year Anniversary