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Sumika Electronic Materials
Sumika Electronic Materials, Inc. is a wholly owned subsidiary of Sumitomo Chemical Co., Ltd. In 2003, Sumitomo Chemical Co., Ltd. purchased the assets of ATMI's GaAs epitaxial wafer business (formerly Epitronics, which was founded in 1984). Sumika produces GaAs epiwafers and markets other Sumitomo Chemical IT-related products including semiconductor process materials and super engineering polymers.
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Phoenix, AZ, United States
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Sumika Electronic Materials, Inc. is a wholly owned subsidiary of Sumitomo Chemical Co., Ltd. In 2003, Sumitomo Chemical Co., Ltd. purchased the assets of ATMI's GaAs epitaxial wafer business (formerly Epitronics, which was founded in 1984). Sumika produces GaAs epiwafers and markets other Sumitomo Chemical IT-related products including semiconductor process materials and super engineering polymers.

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They are headquartered at Phoenix, AZ, United States, and have 2 advertising & marketing contacts listed on Kochava.
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Recent Sumika Electronic Materials Blog Posts
Last Updated 12/14/25
They are headquartered at Phoenix, AZ, United States, and have 2 advertising & marketing contacts listed on Kochava.