1
Paul A Tervo, Clarence E Cowan: Low-current pogo probe card. Kevin L Chernoff Vilhauer McClung & Stenzel Russell, March 7, 2000: US06034533 (109 worldwide citation)

A low-current pogo probe card for measuring currents down to the femtoamp region includes a laminate board having a layer of conductive traces interposed between two dielectric layers. A plurality of probing devices, such as ceramic blades, are edge-mounted about a central opening so that the probin ...


2
Timothy Lesher, Brad Miller, Clarence E Cowan, Michael Simmons, Frank Gray, Cynthia L McDonald: Probe station with low noise characteristics. Cascade Microtech, Chernoff Vilhauer McClung & Stenzel, January 25, 2005: US06847219 (64 worldwide citation)

A cable includes an inner conductor, an inner dielectric, and a guard conductor, where the inner dielectric is between the inner conductor and the guard conductor. The cable also includes an outer dielectric, and a shield conductor, where the outer dielectric is between the guard conductor and the s ...


3
Paul A Tervo, Kenneth R Smith, Clarence E Cowan, Mike P Dauphinais, Martin J Koxxy: Membrane probing system. Cascade Microtech, Chernoff Vilhauer McClung & Stenzel, August 16, 2005: US06930498 (63 worldwide citation)

A membrane probing assembly includes a probe card with conductors supported thereon, wherein the conductors include at least a signal conductor located between a pair of spaced apart guard conductors. A membrane assembly includes a membrane with contacts thereon, and supporting at least a signal con ...


4
Clarence E Cowan, Paul A Tervo, John L Dunklee: Probe station thermal chuck with shielding for capacitive current. Cascade Microtech, Chernoff Vilhauer McClung & Stenzel, September 3, 2002: US06445202 (48 worldwide citation)

The chuck of a probe station is shielded from capacitive currents generated by fluctuation of the power to the thermal unit of a thermal chuck. The thermal chuck includes a chuck for supporting a device under test; a thermal unit for modifying the temperature of the chuck and a conductive member cap ...


5
Clarence E Cowan, Paul A Tervo, John L Dunklee: Probe station thermal chuck with shielding for capacitive current. Cascade Microtech, Chernoff Vilhauer McClung & Stenzel, November 4, 2003: US06642732 (48 worldwide citation)

To reduce noise in measurements obtained by probing a device supported on surface of a thermal chuck in a probe station, a conductive member is arranged to intercept current coupling the thermal unit of the chuck to the surface supporting the device. The conductive member is capacitively coupled to ...


6
John Dunklee, Clarence E Cowan: Probe station with low inductance path. Cascade Microtech, Chernoff Vilhauer McClung & Stenzel, July 31, 2007: US07250779 (26 worldwide citation)

A probe assembly suitable for making test measurements using test signals having high currents. The disclosed probe assembly provides for a test signal exhibiting relatively low inductance when compared to existing probe assemblies by preferably reducing the electrical path distance between the test ...


7
Paul A Tervo, Clarence E Cowan: Low-current pogo probe card. Cascade Microtech, Chernoff Vilhauer McClung & Stenzel, June 27, 2006: US07068057 (19 worldwide citation)

A low-current pogo probe card for measuring currents down to the femtoamp region includes a laminate board having a layer of conductive traces interposed between two dielectric layers. A plurality of probing devices, such as ceramic blades, are edge-mounted about a central opening so that the probin ...


8
Paul A Tervo, Kenneth R Smith, Clarence E Cowan, Mike P Dauphinais, Martin J Koxxy: Membrane probing system. Cascade Microtech, Chernoff Vilhauer McClung & Stenzel, January 4, 2005: US06838890 (19 worldwide citation)

A membrane probing assembly includes a probe card with conductors supported thereon, wherein the conductors include at least a signal conductor located between a pair of spaced apart guard conductors. A membrane assembly includes a membrane with contacts thereon, and supporting at least a signal con ...


9
Paul A Tervo, Kenneth R Smith, Clarence E Cowan, Mike P Dauphinais, Martin J Koxxy: Membrane probing system. Cascade Microtech, Chernoff Vilhauer McClung & Stenzel, December 12, 2006: US07148711 (17 worldwide citation)

A membrane probing assembly includes a probe card with conductors supported thereon, wherein the conductors include at least a signal conductor located between a pair of spaced apart guard conductors. A membrane assembly includes a membrane with contacts thereon, and supporting at least a signal con ...


10
Clarence E Cowan, Paul A Tervo, John L Dunklee: Probe station thermal chuck with shielding for capacitive current. Cascade Microtech, Chernoff Vilhauer McClung & Stenzel, January 28, 2003: US06512391 (16 worldwide citation)

To reduce noise in measurements obtained by probing a device supported on surface of a thermal chuck in a probe station, a conductive member is arranged to intercept current coupling the thermal unit of the chuck to the surface supporting the device. The conductive member is capacitively coupled to ...