Patent ID: 7642792
Filing Date: 2010-01-05
Classification: G01R

Abstract:
1. Apparatus for testing at least one chip provided with connection pads, under illumination conditions, comprising: a test head without means for illuminating the at least one chip, the test head outputting a lighting control signal; a needle card printed circuit board (PCB) including needles for making electrical connection to said chip connection pads, said needle card PCB comprising a front surface and a back surface and having an opening extending from the back surface to the front surface, the needle card receiving the lighting control signal from the test head, a daughter card printed circuit board (PCB) including a lighting means, wherein the lighting means is mounted to and electrically connected to the daughter card PCB, and wherein the daughter card PCB is mounted to and electrically connected to the back surface of the needle card PCB to receive the lighting control signal from the needle card PCB, the lighting means illuminating said chip through the opening in the needle PCB.