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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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP4995477ApriorityCriticalpatent/JPS53136065A/en
Publication of JPS53136065ApublicationCriticalpatent/JPS53136065A/en
PURPOSE: Molds for resin mold, wherein a cavity of a specific depth is provided on the surface area corresponding to the bottom force of the resin-molding mold to prevent the contact with the bottom surface of the heat sink, thus preventing pellet crack on resin molding.
COPYRIGHT: (C)1978,JPO&Japio
JP4995477A1977-05-021977-05-02Mold for resin mold
PendingJPS53136065A
(en)