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The QST-2002HF is an engineering test system for characterizing the performance of MR Heads at the Head Gimbal Assembly level at magnetic fields up to 15,000 Oe

Low Frequency measurements include Resistance and Transfer Curve analysis. High Frequency measurements include the most advanced instability detection system available today. These measurements, performed through our unique HF channel with integrated digital scope, include Popcorn, HF Noise, and patented Spectral Maximum Amplitude Noise (SMAN).

The ultra high range of the QST-2002HF allows observation of sensor characteristics such as pin layer reversal and demagnetization in extreme conditions. It is capable of resetting the hard magnetic layer at HGA and HSA level by applying extremely high longitudinal magnetic field. Other applications include initialization investigation and environmental robustness.

The full suite of stress conditions include field up to 15000 Oe, write current to 60 mA 0-pk , bias current to 20 mA, full DFH exercise, and elevated temperature.

With standard ISI open architecture design software using ActiveX™ technology, customers can develop and revise their own custom tests in minutes with Visual Basic™.
 

Key Benefits

  • Extremely High Field capable with up to +/- 15,000 Oe Field
  • 0-90 Deg Field Rotation for Transverse & Longitudinal Transfer Curve
  • Standard 2x HGA Tooling Support
  • Blazer-X5 Platform
  • Air Cooled Magnet
  • Support standard High Frequency Channel Analysis
  • Superior low-noise electronics
  • Open architecture Windows XP software
  • Perfect for QST analysis at R&D, and Failure Analysis levels
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Last modified: September 21, 2011