JEITA・SEMI standard products, high-grade TTV and particle products, support for other optional specifications, handling of domestic and international manufacturers' products, small quantity support.
KST's network is spread around the world to meet customer needs for silicon wafers, quartz wafers, compound wafers, glass substrates, and more. Of course, we also offer custom-made solutions. We propose the most cost-effective products tailored to your application, and since we provide them based on quality evaluations conducted in our own clean room, our customers can use them with peace of mind.
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Silicon wafer
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Glass substrate
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Company information
Seiren KST Co., Ltd. provides various film deposition processing services for silicon wafers, focusing on oxide films, to customers around the world. Our representative product, the thick thermal oxide film, is shipped to customers globally as an essential material for optical communication components, which are experiencing market expansion in areas such as 5G and data centers. Additionally, we offer SOI wafers that achieve high quality and short delivery times, with production capabilities that can accommodate everything from prototypes (small lots) to mass production for MEMS and power semiconductors. We aim to continue contributing to society broadly through silicon wafer film deposition processing and to be an indispensable company for our customers.