Etched laminate structures for reducing track...

Details Etched laminate structures for reducing track... Etched laminate structures for reducing track...

2006-02-28

2009-08-11

Cao, Allen T (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

Disk record

Reexamination Certificate

active

07573680

ABSTRACT:
Structures and methods for creating a vertical offset between suspension springs or fingers within a suspension head assembly for use in a disk drive are disclosed, the vertical offset helping to reduce track mis-registration errors. The base plate and load beam may be made from three-layer composite materials that have been etched to create either recesses therein into which the suspension springs ends are placed and then welded, or the base plate and load beam may be etched to create mesas on which the ends of one of the suspension springs are welded. The three layers may comprise stainless steel, polyimide, and stainless steel. In another embodiment, one of the suspension springs is a three-layer material that has been etched to create a raised central portion that is vertically offset from the other suspension spring. In another embodiment, spacers are employed as shims underneath one of the suspension springs. Generally, at least one of a spring extension, the load beam and the mount beam comprise a laminate material.

REFERENCES:
patent: 4175275 (1979-11-01), Schaefer
patent: 4208684 (1980-06-01), Janssen et al.
patent: 5187625 (1993-02-01), Blaeser et al.
patent: 5734525 (1998-03-01), Girard
patent: 5808834 (1998-09-01), Jurgenson
patent: 5839193 (1998-11-01), Bennin et al.
patent: 5955176 (1999-09-01), Erpelding et al.
patent: 5966269 (1999-10-01), Marek et al.
patent: 5999369 (1999-12-01), Shimizu et al.
patent: 6088192 (2000-07-01), Riener et al.
patent: 6215622 (2001-04-01), Ruiz et al.
patent: 6362936 (2002-03-01), Inoue et al.
patent: 6522624 (2003-02-01), Budde
patent: 6778362 (2004-08-01), Davis et al.
patent: 6850392 (2005-02-01), Wong et al.
patent: 6894876 (2005-05-01), Coon
patent: 6977798 (2005-12-01), Schulz et al.
patent: 7408743 (2008-08-01), McCaslin et al.
patent: 7502203 (2009-03-01), McCaslin et al.
patent: 2002/0085314 (2002-07-01), Williams
patent: 2002/0131211 (2002-09-01), Nishida et al.
patent: 2003/0002220 (2003-01-01), Nojima
patent: 2004/0061975 (2004-04-01), Boutaghou et al.
patent: 2005/0007689 (2005-01-01), Oh et al.
patent: 2005/0007701 (2005-01-01), Oh et al.
patent: 2005/0007702 (2005-01-01), Oh et al.
patent: 2005/0030670 (2005-02-01), Ando et al.
patent: 2005/0174694 (2005-08-01), Erpelding
patent: 2005/0190502 (2005-09-01), Sassine et al.
patent: 2007/0115590 (2007-05-01), Resh et al.

Affiliated with

Also associated with

Rating

Etched laminate structures for reducing track... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Etched laminate structures for reducing track..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Etched laminate structures for reducing track... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4083904