Patent ID: 7915903

Claim:
A chip test method, comprising: loading chips on a chip tray and fastening a cover plate on the chip tray; loading the chip tray with the cover plate in a chip test device; aligning a probe card of the chip test device with a test unit of the chip tray; testing chips in the chip tray; sorting the passed chips from the failed chips; forming a socket in the test unit for loading a first chip among the chips; forming a chip contact area in the test unit, wherein the chip contact area comprises a plurality of chip contact points for electrically contacting the first chip; forming an extension contact area in the test unit, wherein the extension contact area has a plurality of extension contact points corresponding to the chip contact points to direct test signals into the first chip and direct feedback signals out of the first chip; forming an alignment point in the test unit to provide an alignment location for the probe card; and forming an image sensor hollow in the cover plate for exposing an image sensor of the first chips to the probe card for testing.