Method for adjusting the pitch and roll static torques in a...

Details Method for adjusting the pitch and roll static torques in a... Method for adjusting the pitch and roll static torques in a...

2006-06-27

2006-06-27

Tsai, Carol S. W. (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

C072S016200, C072S016300, C072S021400, C702S041000, C702S042000, C702S085000, C702S094000, C702S095000

Reexamination Certificate

active

07069156

ABSTRACT:
A method for adjusting the pitch and roll static torques (PST and RST) on a slider in a disk drive head-suspension assembly (HSA) during manufacturing assures that each HSA is manufactured with acceptable PST and RST values. The method includes measuring each slider's pitch and roll static attitudes (PSA and RSA) and determining each HSA's pitch and roll torsional stiffnesses. These values are then used to calculate the required amount of adjustment to PSA and RSA to achieve the desired values of PST and RST for each HSA. The suspension is then adjusted, such as by heating the flexure with a laser.

REFERENCES:
patent: 5473488 (1995-12-01), Gustafson et al.
patent: 6011239 (2000-01-01), Singh et al.
patent: 6466257 (2002-10-01), Baugh et al.
patent: 2002/0171970 (2002-11-01), Girard et al.

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