Assignee
ESSAI INC
US18 patents
Top patents by PatentIndex Score
US10908207B2Feb 2, 2021
Systems and methods for conforming device testers to integrated circuit device with pressure relief valve
ESSAI INC31 citations93
US10126356B2Nov 13, 2018
Systems and methods for conforming test tooling to integrated circuit device with whirlwind cold plate
ESSAI INC30 citations93
US7663388B2Feb 16, 2010
Active thermal control unit for maintaining the set point temperature of a DUT
ESSAI INC26 citations90
US7651340B2Jan 26, 2010
Chip actuator cover assembly
ESSAI INC10 citations83
US11378588B2Jul 5, 2022
Contactor with angled depressible probes in shifted bores
ESSAI INC3 citations72
US10481175B2Nov 19, 2019
Contactor with angled depressible probes
ESSAI INC3 citations72
US9804223B2Oct 31, 2017
Systems and methods for conforming test tooling to integrated circuit device with heater socket
ESSAI INC4 citations72
US9007080B2Apr 14, 2015
Systems and methods for conforming device testers to integrated circuit device profiles with feedback temperature control
ESSAI INC4 citations72
US11293976B1Apr 5, 2022
Integrated circuit device test tooling with dual angle cavities
ESSAI INC1 citations62
US7583097B2Sep 1, 2009
Contactor nest for an IC device and method
ESSAI INC4 citations62
US9494642B2Nov 15, 2016
Systems and methods for conforming test tooling to integrated circuit device profiles with ejection mechanisms
ESSAI INC2 citations61
US9383406B2Jul 5, 2016
Systems and methods for conforming device testers to integrated circuit device with pressure relief valve
ESSAI INC2 citations61
US9557373B2Jan 31, 2017
Systems and methods for conforming test tooling to integrated circuit device profiles with convex support structure
ESSAI INC0 citations51
US11906550B2Feb 20, 2024
Probe system for QFP integrated circuit device test tooling
ESSAI INC0 citations47
US12085587B2Sep 10, 2024
Hybrid shielding sockets with impedance tuning for integrated circuit device test tooling
ESSAI INC0 citations46
US10094853B2Oct 9, 2018
Systems and methods for reliable integrated circuit device test tooling
ESSAI INC0 citations46
US9279852B2Mar 8, 2016
Systems and methods for conforming test tooling to integrated circuit device profiles with sockets having secured and replaceable bushings
ESSAI INC0 citations40
US9229049B2Jan 5, 2016
Systems and methods for conforming test tooling to integrated circuit device profiles with compliant pedestals
ESSAI INC0 citations40