JPS6447056A - Glass terminal package - Google Patents

Abstract

PURPOSE:To provide a glass terminal package that glass is hard to be broken for high frequency at a low cost by a method wherein a side plate section, which a glass terminal is incorporated in, is formed of a metal material which has almost the same expansion coefficient as glass and a side wall and a base section other than the side plate section are made of a metal which is excellent in thermal conductivity and capable of being pressed, cut, and worked. CONSTITUTION:A side plate section 13 where a glass terminal 12 is incorporated is formed of a metal 14 small in thermal expansion coefficient almost the same as the glass terminal and a side wall section 15 and a base section 16 other than the side plate section 13 are formed of a metallic material 17 large in thermal expansion coefficient as compared with the material 14. As only the side plate section 13 where the glass terminal is incorporated is formed of the metallic material 14 almost equal to the glass terminal in thermal expasivity, the glass terminal is prevented from stress even if the package increased in temperature, so that the glass terminal package can be made to be that the glass terminal is hard to be broken. And, as the side wall section and the base section other than the side plate section are formed of a metal which is excellent in thermal conductivity and capable of being pressed, cut, and worked, the package can be easily formed at a low cost even if it is complicate in shape, and thus the package can be obtained which is excellent in a heat dissipating property.