Definition of flip chip in English:

flip chip

noun

Computing
  • A computer chip that is installed on a circuit board face-down, with connections formed by solder bumps rather than wires.

    • ‘The last few years witnessed an explosive growth in the research and development efforts devoted to the solder bumped flip chip as a direct result of the rapid growth of surface mount technology and miniaturization.’

Origin

1990s from the fact that the chip is rotated 180 degrees from the traditional mode of attachment.