U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Carrier strip head interconnect assembly

Patent 5391842 Issued on February 21, 1995. Estimated Expiration Date: Icon_subject May 16, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3195079

Electrical connections for thin film transducer heads
Patent #: 4616279
Issued on: 10/07/1986
Inventor: Poorman

Solderless connection technique between data/servo flex circuits and magnetic disc heads
Patent #: 4645280
Issued on: 02/24/1987
Inventor: Gordon ,   et al.

Expandable suspension for a read/write head in a disk file
Patent #: 4670804
Issued on: 06/02/1987
Inventor: Kant ,   et al.

Damped magnetic head suspension assembly
Patent #: 4819094
Issued on: 04/04/1989
Inventor: Oberg

Magnetic disk drive with low profile head-suspension system
Patent #: 4853811
Issued on: 08/01/1989
Inventor: Brooks, Jr. ,   et al.

Suspension assembly
Patent #: 4991045
Issued on: 02/05/1991
Inventor: Oberg

Flexible polymeric resinous magnetic head supporting device
Patent #: 5001583
Issued on: 03/19/1991
Inventor: Matsuzaki

Flexible polymeric resinous magnetic head supporting device
Patent #: 5006946
Issued on: 04/09/1991
Inventor: Matsuzaki

Magnetic head/support assembly and access mechanism for a disk file
Patent #: 5012368
Issued on: 04/30/1991
Inventor: Bosier, et al.

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Inventors

Application

No. 243538 filed on 05/16/1994

US Classes:

174/260, With electrical device174/250, Preformed panel circuit arrangement (e.g., printed circuit)174/255With particular substrate or support structure

Examiners

Primary: Picard, Leo P.
Assistant: Thomas, L.

Attorney, Agent or Firm

International Class

H05K 001/02

Abstract

An electrical head interconnect assembly is fabricated for installation upon the suspension member supporting a magnetic read/write head over a rotating storage disk of a magnetic disk drive. A head interconnect is comprised of a film carrier strip upon which conducting elements are positioned and bonded. The carrier strip can be of plastic, metallic, cellulosic, or composite construction. The conducting elements, fabricated of 1 or more twisted or parallel lengths, are routed along a prepatterned carrier strip defining the X, Y, and Z coordinate positioning required to mate with a suspension member without manual routing or manipulation. In addition, the conducting elements are fixedly spaced with stripped insulation at both termination points of the interconnect (electronics and head) allowing prepositioned, automatable bonding to connective pads. A suspension member positioned and bonded within the strip at appendage sites, completes the installation of the conducting elements upon the suspension. The carrier then serves to secure the conductors and suspension within the protective framework of the strip and provides patterned tooling references until excised upon completion of head suspension assembly.

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