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US4836434A Method and apparatus for airtightly packaging semiconductor package 失效
用于气密封装半导体封装的方法和装置

Method and apparatus for airtightly packaging semiconductor package
摘要:
An airtight packaging apparatus for covering with a cap a multichip module having LSI chips mounted on a ceramic substrate and for sealing the cap and substrate by means of solder includes a receptacle for accommodating the multichip module, valves for supplying gas to the receptacle and exhausting the receptacle, a retainer for holding the cap and adjusting the positional relation with respect to the multichip module, and a heater for heating solder of the junction between the multichip module and the cap. After solder has been heated and melted, the multichip module and the cap are sealed to each other.
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