Method of making a magnetic head with aligned pole tips and pole

Details Method of making a magnetic head with aligned pole tips and pole Method of making a magnetic head with aligned pole tips and pole

1997-07-28

1999-10-19

Cuda, Irene

Metal working

Method of mechanical manufacture

Electrical device making

2960315, 2960318, G11B 5127

Patent

active

059668008

ABSTRACT:
A method of making a magnetic head which includes first and second pole tip layers separated by a nonmagnetic gap layer includes making the pole tips of a high magnetic moment material. The right side walls of the first and second pole tips are vertically aligned with each other. Similarly, the left side walls of the first and second pole tips are vertically aligned with one another. The side fringing flux from one pole tip to another is substantially reduced resulting in a magnetic head capable of writing data tracks with well defined boundaries. The possibility of the pole tips operating in magnetic saturation is reduced because the pole tips, formed of high magnetic moment material, is capable of accommodating high coercive force. The magnetic head can be fabricated as an inverted head or a non-inverted head capable of writing on magnetic media with high coercivity and at a high data transfer rate.

REFERENCES:
patent: 4436593 (1984-03-01), Osborne et al.
patent: 4550353 (1985-10-01), Hirai et al.
patent: 4652954 (1987-03-01), Church
patent: 4791719 (1988-12-01), Kobayashi et al.
patent: 4878290 (1989-11-01), Masud et al.
patent: 4933209 (1990-06-01), Anthony et al.
patent: 4966648 (1990-10-01), Nakamura et al.
patent: 5045961 (1991-09-01), Kobayashi et al.
patent: 5141623 (1992-08-01), Cohen et al.
patent: 5371643 (1994-12-01), Yuito et al.
patent: 5404635 (1995-04-01), Das
patent: 5640753 (1997-06-01), Schultz et al.
patent: 5659451 (1997-08-01), Cohen et al.
patent: 5722157 (1998-03-01), Shouji et al.

Affiliated with

Also associated with

Rating

Method of making a magnetic head with aligned pole tips and pole does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of making a magnetic head with aligned pole tips and pole, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of making a magnetic head with aligned pole tips and pole will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2041790