Self aligned magnetic poles using sacrificial mask

Details Self aligned magnetic poles using sacrificial mask Self aligned magnetic poles using sacrificial mask

1990-02-15

1991-02-12

Powell, William A.

Dynamic magnetic information storage or retrieval

Head

29603, 156643, 156653, 156656, 1566591, 1566611, 156667, G11B 5127, B44C 122, C03C 1500, C23F 100

Patent

active

049929011

ABSTRACT:
In a method of manufacturing a thin film magnetic head having aligned top and bottom pole tip pieces, a sacrificial mask protects the upper pole tip while the exposed non-aligned portions of the gap material and lower pole tip are removed. The sacrificial mask is deposited using a self alignment technique.

REFERENCES:
patent: 4024041 (1977-05-01), Hanazono et al.
patent: 4226018 (1980-10-01), Nakanishi et al.
patent: 4422117 (1983-12-01), Nomura et al.
patent: 4436593 (1984-03-01), Osborne et al.
patent: 4550353 (1985-10-01), Hitai et al.
patent: 4592801 (1986-06-01), Hara et al.
patent: 4791719 (1988-12-01), Kobayashi et al.
patent: 4912584 (1990-03-01), Mallary et al.

Affiliated with

Also associated with

Rating

Self aligned magnetic poles using sacrificial mask does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Self aligned magnetic poles using sacrificial mask, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Self aligned magnetic poles using sacrificial mask will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-24696