Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 21, 2019
Patent Application Number
15552422
Date Filed
March 23, 2016
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
An optical device includes a window glass plate with which a window of a lid section is provided and which is connected to the lid section via a solder layer so that an internal space of the optical device is hermetically sealed. The solder layer has a void which is isolated from an external space and an internal space of the optical device.
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