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|Z| Probe®

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"I had taken it for granted that broken probes and gouges on the chip were part of life for chip testing, but the cascade probes eliminate both of them."

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Excellent Performance - Longest Lifetime

 

Features and Benefits

  • Best price per contact - typically over one million (1,000,000) touchdowns
  • RF/Microwave signal is shielded and completely air isolated in the probe body
  • Excellent performance in vacuum environments and temperatures from 10 K to 300C
  • Highest impedance control with perfectly-symmetrical, MEMS-machined coplanar contact structure
  • Probe on any pad material with minimal damage

The |Z| Probe® patented technology assures high-accuracy measurements with low contact resistance and superior impedance control. The RF/Microwave signal makes only one transition to the coplanar contact structure within the shielded, air-isolated probe body. This maintains the signal integrity with stable performance over a temperature range from 10 K to 300°C.

Contacting the device under test (DUT) with the |Z| Probe is simple, highly repeatable and requires significantly less overtravel than alternative RF wafer probes. This is due to the robust design of the coplanar contact structure and the elimination of micro-coax cable. Additionally, the contacts can move independently of one another, which allows you to probe on three-dimensional structures and on wafers with pad-height deviation of up to 50 µm.

For differential, multi-port and mixed-signal applications, the Dual |Z| Probe and Multi |Z| Probe are available.

The new 1MXTM Technology is an enhancement to the |Z| Probe family of RF and microwave wafer probes. It is based on a significant miniaturization of the CPW (coplanar waveguide) structure which leads to a higher bandwidth capability and better electrical performance by keeping in parallel the unique |Z| Probe advantages like robustness, contact quality, and repeatability.

Dual |Z| Probe®

The Dual |Z| Probe® is a unique differential RF/microwave wafer probe. It uses the same patented technology as the single RF-channel |Z| Probe, but carries two RF/microwave signals on one probe. The coplanar contact structures of the wafer probe are perfectly symmetrical, which eliminates signal distortion such as unwanted mode shifts in differential tests. [View more]