Patent ID: 6629880
Filing Date: 2003-10-07
Classification: B24B,B24D,H01L

Abstract:
A deflashing system comprising:a leadframe substrate panel having a bottom surface and an opposite facing top surface, wherein a plurality of die attach pad surfaces and a plurality of contact lancing surfaces are exposed through and coplanar with the bottom surface, a formation of mold-flash being formed on at least one of the die attach pad surfaces or the contact landing surfaces; a rotary buffing device configured to mechanically buff the bottom surface of the leadframe substrate panel such that the at least one formation of mold-flash is removed without causing damage to the leadframe substrate panel; and a conveying device configured to support the leadframe substrate panel such that the leadframe substrate panel is in contact with the rotary buffing device, and wherein the conveying device is configured to move the leadframe substrate panel relative to the rotary buffing wheel.