发明名称 CRYSTAL OSCILLATOR'S SEALING METHOD
摘要 A protection cover (4) made of metal having good thermul conductivity is pressed against a base body (3) made of synthesised resin. At this time, the cover isheated with high temperature enough to melt the base body so that the cover is implanted tightly into the body.
申请公布号 KR900005637(B1) 申请公布日期 1990.08.01
申请号 KR19870015607 申请日期 1987.12.31
申请人 SUNNY ELECTRIC CO., LTD. 发明人 PARK KWANG-WON;EUN JONG-SONG
分类号 (IPC1-7):H03H9/18 主分类号 (IPC1-7):H03H9/18
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