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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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