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expansion slot definition

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a slot cut into the metal bars between individual frames of a leadframe strip in order to prevent pitch variations between the frames due to molding compound shrinkage. Pitch variations from frame to frame along the strip cause alignment problems for subsequent lead trim tooling.

See also:

facilities cost model (FCM) definition
fast-atom bombardment (FAB) mass spectroscopy definition
Ferromagnetism definition
extrusion transformation definition
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