430 Shinonoi Okada, Nagano City, Nagano Prefecture Japan
TEL：+81-26-292-6670 / FAX：+81-26-292-6678
E-mail：eigyo@choyo-co.com
URL：http://www.choyo-co.com

 As an outgrowth of the recent trend toward miniaturization of electronic parts, sealing glass has also been miniaturized. We have optimized the choices of 'die and mold' materials, treatment of glass powder, and the process of sintering. As a result, we have succeeded in mass production of these items.