K

KIRKENDALL EFFECT: The occurrence of void formation in a material caused by diffusion of atoms across an interface the result of exposure to elevated temperature. Excessive voiding can result in an electrical open.
KNOWN GOOD CIRCUIT (KGC): A circuit that has been tested to preclude presence of destructive defects that after assembly of all elements and components would not be electrically functional.
KNOWN GOOD DIE (KGD): A qualification or process that verifies an unpackaged semiconductor die has been electrically tested to a specific level of quality and/or integrity relative to the packaged device s electrical specifications.

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