A magnetic write head and method for bulk fabrication of the same are provided.
A trench is formed in a nonmagnetic substrate. A first magnetically permeable layer
is deposited in the trench of the substrate. An optional first insulating layer
is deposited in the trench. A conducting circuit is defined in the trench. The
conducting circuit creates the magnetic flux. An optional second insulating layer
is deposited in the trench. Writer gaps are patterned and then a second magnetic
layer is added over the second insulating layer. The substrate is divided to form
individual write heads.