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Manual Changes
Changes in Revision A.03.40 from Revision A.03.30
Changes in Revision A.03.40 from Revision A.03.30
For VEE program, the following measurements have been added :
•
The Absolute Polarity Test is added. This test is used to detect the pinned layer reversal
of the GMR head by measuring the TAA asymmetry of both the Isolated pulse and
Tribit pulse.
•
Narrow Band TAA is added in the Stability Measurement.
The following parameters have been added and /or modified:
•
For Stability Measurement, the parameters "Write Pattern" and "Write Mode" have
been added in [Write Config] menu. The "Write Pattern" parameter is used to set the
stimulus write pattern different from the original write data pattern. The "Write Mode"
allows the user to choose the same or alternative last polarity of write.
•
For Popcorn Noise Measurement, the parameter "Write Mode" is added.
•
Data patterns are displayed in 'MHz' except for PRBS and User Define in the [Pattern
Config] menu.
•
For Stability Measurement of TAA/PW, the number of sectors (segments) per track has
been increased from 5 to 80 sectors.
More user defined write patterns were added, three additional patterns for each Repetitive
and User Defined pattern. Refer to the programming manual for details.
Shroud Interlock, the spindle stops when the shroud cover is open.
User definable write/read gate, the user can specify where to write or read on a track. Refer
to the programming manual for details.
Bug Fix, software bugs that were found too late to be fixed before the release of revision
(Rev A.03.30) have been fixed in Rev A.03.40.
•
The "hpe5022_narrowBandTaa_Q" function doesn't return the average measurement
results instead it returns the total sum of all measurement points.
•
When the "hpe5022_isolatedPulseReferenceAuto" function is set to VI_TRUE, the
query of the Narrow Band TAA Track Profile returns an error message.
372
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Appendix A
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