Abstract: The invention provides a molding apparatus comprising a first mold part operative to hold a semiconductor substrate, and a second mold part having a main surface facing the first mold part. The first and second mold parts are movable relative to each other between an open arrangement and a closed arrangement. The main surface comprises portions defining a mold cavity, and a recess at least partially surrounding the mold cavity. The main surface also comprises a compressible structure located within the recess, wherein at least a portion of the compressible structure extends out of the recess towards the first mold part and is compressible into the recess when the compressible structure contacts the semiconductor substrate in the closed arrangement. The second mold part also comprises one or more air conduits operative to introduce compressed air into the mold cavity.

Abstract: Disclosed is a platen for a molding press for encapsulating semiconductor dies on a substrate, the platen comprising: a first mold chase having a first mold chase surface; the platen being operable to cooperate with a further platen having a second mold chase with a second mold chase surface to clamp a substrate, which is held against a substrate-facing surface relating to either the first or second mold chase surface, between the first and second mold chase surfaces to define at least one mold cavity with respect to the substrate; wherein the platen further comprises a rotational mounting device on which either the first or second mold chase is rotatable about at least one axis passing through the center of the substrate-facing surface to adjust the relative arrangement of the first and second mold chase surfaces. Also disclosed is a molding press comprising the platen, and the further platen cooperating with the platen.

Abstract: Disclosed is a platen for a molding press for encapsulating semiconductor dies on a substrate, the platen comprising: a first mold chase having a first mold chase surface; the platen being operable to cooperate with a further platen having a second mold chase with a second mold chase surface to clamp a substrate, which is held against a substrate-facing surface relating to either the first or second mold chase surface, between the first and second mold chase surfaces to define at least one mold cavity with respect to the substrate; wherein the platen further comprises a rotational mounting device on which either the first or second mold chase is rotatable about at least one axis passing through the centre of the substrate-facing surface to adjust the relative arrangement of the first and second mold chase surfaces. Also disclosed is a molding press comprising the platen, and the further platen cooperating with the platen.

Abstract: A compression molding system comprising first and second mold halves is provided for an electronic device wherein a plurality of cavities are formed in the first mold half corresponding to molding locations on the electronic device. A plurality of plungers are located in the first mold half, each of which is drivable against a side of a respective cavity for applying a compacting force to encapsulation material located in the cavity during molding. A motor is operatively connected to the plungers for driving the plungers relative to the cavities.

Abstract: A compression molding system comprising first and second mold halves is provided for an electronic device wherein a plurality of cavities are formed in the first mold half corresponding to molding locations on the electronic device. A plurality of plungers are located in the first mold half, each of which is drivable against a side of a respective cavity for applying a compacting force to encapsulation material located in the cavity during molding. A motor is operatively connected to the plungers for driving the plungers relative to the cavities.