Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP411976ApriorityCriticalpatent/JPS5287980A/en
Publication of JPS5287980ApublicationCriticalpatent/JPS5287980A/en
Cooling Or The Like Of Semiconductors Or Solid State Devices
(AREA)
Abstract
PURPOSE: To prevent crazing of glass part by reducing the contact part between flange and heat sink thereby making the force pressing the flange wall local and less.
COPYRIGHT: (C)1977,JPO&Japio
JP411976A1976-01-191976-01-19Stem for semiconductor device
PendingJPS5287980A
(en)