Manufacturing method of a magnetic sensor

Details Manufacturing method of a magnetic sensor Manufacturing method of a magnetic sensor

2006-08-17

2008-10-28

Kim, Paul D (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S603140, C029S603270, C029S607000, C029S609000, C360S324110, C360S324120, C360S325000, C360S326000, C451S005000, C451S041000

Reexamination Certificate

active

07441326

ABSTRACT:
In a magnetic sensor, a lower terminal layer, a magnetosensitive layer, and a cover film are simultaneously patterned into substantially the same size. The opposing surface of the lower terminal layer, which opposes the magnetosensitive film is substantially superposed on one opposing surface of the magnetosensitive film. The opposing surface of the upper terminal layer, which opposes the magnetosensitive film is formed into a shape smaller than and included in the other opposing surface of the magnetosensitive film. This implements a magnetic sensor which uses a CPP structure and is yet readily processible and which includes a substantially accurate fine CPP structure in accordance with a desired output.

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