Method of making a read head with improved lead layers at an air

Details Method of making a read head with improved lead layers at an air Method of making a read head with improved lead layers at an air

1998-10-21

2000-07-11

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

360113, G11B 542

Patent

active

060854065

ABSTRACT:
The high resistance lead layers of a read head extend straight back into the head from each of the first and second edges of the read sensor. This lessens the length of each of the high resistance lead layers so that they do not have to be made thicker to satisfy resistance requirements. Accordingly, a lateral width of each high resistance lead portion along the ABS and a thickness thereof are chosen so as to minimize the thickness while yet satisfying the resistance requirements. Further, a method of making the first and second lead layers is provided that minimizes the thickness of the high resistance lead layers. Instead of constructing the high resistance lead layers first, the present method constructs the high resistance lead layers last so that the high resistance lead layers are not altered by subsequent processing steps.

REFERENCES:
patent: 5809636 (1998-09-01), Shouji et al.
patent: 5992004 (1999-11-01), Sato et al.

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