Magnetic head for recording with ultra low force

Metal working – Method of mechanical manufacture – Electrical device making

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

2960314, 2960315, 2960306, G11B 542

Patent

active

057459797

ABSTRACT:
A disk drive assembly in which the suspension and read/write transducer are integrated into a combination assembly and fabricated using thin film deposition techniques thereby producing an assembly which is very low in mass permitting contact recording. In one embodiment, transducers are deposited in a row and column configuration onto a release and support layer covering a wafer substrate having a thickness equal to a desired suspension length. The wafer is separated into a plurality of row sections, with each row section providing one thin film transducer from each column. A second release layer is formed on a separated side on the row section and thin layers of suitable materials are deposited to form a suspension layer including conductive lines extending to the thin film transducers. The first and second release layers are dissolved and the row section is further cut to form the individual combination assemblies. In a second embodiment, the wafer substrate has a thickness equal to the width of the suspension. The transducers deposited on a row are separated by the desired suspension length to produce combination assemblies useful for linear disk drive actuators. The excess portion of the wafer substrate can alternatively be removed by cutting or etching eliminating the requirement for release or support layers.

REFERENCES:
patent: 3849800 (1974-11-01), Cuzner et al.
patent: 3975772 (1976-08-01), Lin
patent: 4190872 (1980-02-01), Jones, Jr. et al.
patent: 4251841 (1981-02-01), Jacobs
patent: 4305102 (1981-12-01), Suzuki
patent: 4546541 (1985-10-01), Reid
patent: 4624048 (1986-11-01), Hinkel et al.
patent: 4670804 (1987-06-01), Kant et al.
patent: 4700250 (1987-10-01), Kuriyama
patent: 4789914 (1988-12-01), Ainslie et al.
patent: 4939837 (1990-07-01), Krounbi
patent: 5014145 (1991-05-01), Hosokawa et al.
patent: 5041932 (1991-08-01), Hamilton
patent: 5055969 (1991-10-01), Putnam
patent: 5200056 (1993-04-01), Cohen et al.
H. Hamilton et al. "Contact Perpendicular Recording on Rigid Media", IEEE Transactions on Magnetics, vol. 27, No. 6, Pt. 2, Nov. 1991, pp. 4921-4926.
T. J. Beaulieu & D. W. Chapman, "Vertical Recording Probe Head Made By Horizontal Head Process", IBM Technical Disclosure Bulletin, vol. 36, No. 02, Feb. 1993, pp. 267-268.
Daniel W. Chapman, "A New Approach to Making Thin Film Head-Slider Devices", IEEE Transactions on Magnetics, vol. 25, No. 5, Sep. 1989, pp. 3686-3688.
Daniel W. Chapman et al., "A New, Horizontal MR Head Structure", IEEE Transactions on Magnetics, vol. 25, No. 5, Sep. 1989, pp. 3689-3691.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Magnetic head for recording with ultra low force does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Magnetic head for recording with ultra low force, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic head for recording with ultra low force will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-44579

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.