Patents Assigned to STMicroelectronics SDN, BHD
  • Lead-frame for semiconductor devices
    Patent number: 7075172
    Abstract: A lead-frame for semiconductor devices having a mold with at least one air vent for the resin to seep out of during its injecting into the mold, the air vent being positioned between the upper and lower surface of the frame, wherein the frame provides a through hole positioned at the outlet of the air vent so that, when the resin has solidified, it forms a flash which is in coherence with the surface of the frame.
    Type: Grant
    Filed: July 26, 2001
    Date of Patent: July 11, 2006
    Assignees: STMicroelectronics S.r.l., STMicroelectronics SDN, BHD
    Inventors: Andrea Giovanni Cigada, Phui Phoong Chuang