| 摘要 |
PURPOSE:To obtain a package having excellent heat sink and airtightness by engaging a terminal mounted with a ceramic insulator metallized on the outer cylinder with the terminal hole of the body of a metal flat pack type package of high thermal conductivity. CONSTITUTION:A pin 6 and a ceramic 5 are sealed with glass 7 or the hole of the ceramic 5 is metallized at 8', braked at 9 and bonded. The outside of the hole of a package body 1 is chamfered at 3, spot faced at 3', hermetically braked uniformly and readily. According to this configuration, a package having simple manufacture and low cost can be obtained. |
