Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – Female mold type means
Reexamination Certificate
2005-01-11
2005-01-11
Davis, Robert B. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
Female mold type means
C425S116000, C425S127000, C425S544000, C264S272170, C438S127000
Reexamination Certificate
active
06840751
ABSTRACT:
A die mold machine for molding a plurality of semiconductor assemblies on multiple substrate/leadframes includes a plurality of die mold layers stacked vertically one above the other to form a plurality of die mold sections. The top die mold layer has at least one aperture or die hall in the top most die layer and apertures or die halls in the in-between layers for passing molding compound which flows through the die hall in the top layer down through the die halls or apertures between the die mold layers into the die mold sections for molding semiconductor assemblies on said substrate/leadframes between said die mold layers.
REFERENCES:
patent: 4332537 (1982-06-01), Slepcevic
patent: 4480975 (1984-11-01), Plummer et al.
patent: 5391346 (1995-02-01), Nakamura et al.
patent: 5871782 (1999-02-01), Choi
patent: 5910010 (1999-06-01), Nishizawa et al.
Brady III W. James
Davis Robert B.
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