Torsion angle measuring method and device for magnetic-disk...

Details Torsion angle measuring method and device for magnetic-disk... Torsion angle measuring method and device for magnetic-disk...

2006-12-12

2006-12-12

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

C073S855000, C073S865300, C073S865900

Reexamination Certificate

active

07146863

ABSTRACT:
In a torsion angle measuring method and device for a magnetic-disk suspension, a datum surface of the suspension is fixed to a fixture under pressure, the fixture being provided with a smooth criterion surface having known torsion angles set for the suspension datum surface. A roll angle and a pitch angle of a slider loading surface of the suspension to the datum surface when the suspension is fixed to the fixture are measured.

REFERENCES:
patent: 5742446 (1998-04-01), Tian et al.
patent: 5856624 (1999-01-01), Elsing
patent: 6453722 (2002-09-01), Liu et al.
patent: 2003/0235012 (2003-12-01), Nishizawa
patent: 2006/0060002 (2006-03-01), Stamm et al.
patent: 10-228742 (1998-08-01), None
patent: 10228742 (1998-08-01), None
patent: 10-269358 (1998-10-01), None
patent: 2002-074630 (2002-03-01), None
Office Action mailed Sep. 12, 2006 in the corresponding Japanese patent Application No. 2004-544171 (with partial English translation).

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