Formfactor, Inc.

Daniel Rishavy

Kazuki Negishi

Michael E Simmons

Joseph George Frankel

Eric Robert Christenson

Probe systems for optically probing a device under test (DUT) and methods of operating the probe systems. The probe systems include a probing assembly that includes an optical probe that defines a probe tip and a distance sensor. The probe systems also include a support surface configured to support a substrate, which defines a substrate surface and includes an optical device positioned below the substrate surface. The probe systems further include a positioning assembly configured to selectively regulate a relative orientation between the probing assembly and the DUT. The probe systems also include a controller programmed to control the operation of the probe systems. The methods include methods of operating the probe systems.

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Austin, TX, United States of America

Daniel Rishavy