Patent ID: 11933816
Assignee: CELADON SYSTEMS, INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A test assembly for testing a device under test, comprising:
a base plate including a test site;
a top plate; and
a probe card, the probe card secured to the top plate and extending through the top plate to contact the device under test disposed on the test site,
wherein the base plate includes a flex ring, pockets disposed in the flex ring, and apertures,
the test site is disposed within a perimeter of the flex ring, and the test site is configured to support the device under test,
the top plate includes adjustable rigid stops and pins,
fasteners are configured to be insertable through the adjustable rigid stops and align with the apertures, to provide Z positioning and control,
the pins are insertable into the pockets and, when inserted, the pins and the pockets provide X and Y control,
the flex ring is configured to provide Z positioning and control, and
the probe card is configured to push the device under test against the base plate.