located in the same plane above layer 504 to simplify construction and reduce fabrication costs bottom pole layer 506 is in contact with bottom pole tip 508 and together comprise the lower pole upper pole tip 510 is in contact with yoke 308 and together comprise the upper pole the upper pole tip 510 and lower pole tip 508 are separated by write gap 310 which is generally filled with a non magnetic insulator material upper pole tip 510 yoke 308 lower pole tip 508 and lower pole layer 506 may be any suitable magnetic material preferably one having a high magnetic moment such as permalloy or various compositions of nife or cofe alloys which may contain dopants or other additives known by those of ordinary skill in the art to provide desirable material properties the specific material compositions of the upper pole tip 510 yoke 308 lower pole tip 508 and lower pole layer 506 may be different in order to optimize the function of each component write gap 310 may be composed of alumina or other suitable non magnetic material insulating material 512 may be composed of alumina silica baked photo resist or layers and combinations of any of the foregoing materials details are not shown for clarity fig6 is a cross section view through section c c of fig4 with insulating layers transparent to aid in viewing relevant details according to an embodiment of the present invention this view is taken through the center line axis of the write head perpendicular to the air bearing surface abs and shows the extended depth 318 of the backgap 306 of the present invention backgap 306 is in contact.