Stitched write head design having a sunken shared pole

A write head having a sunken share pole comprising:

• a) an undercoat dielectric layer over a substrate;
• b) a bottom shield over said undercoat dielectric layer;
• c) a bottom shield dielectric layer over said bottom shield and said undercoat layer;
• d) the bottom shield dielectric layer co-planar with said bottom shield;
• e) a read gap dielectric and MR sensor over said bottom shield dielectric layer and said bottom shield;
• said read gap dielectric layer surrounding said MR sensor;
• f) a first half shared pole over said read gap dielectric;
• g) a shared pole dielectric layer over said gap dielectric layer;
• said shared pole dielectric layer coplanar with said first half shared pole;
• h) a bottom coil dielectric layer over said first half shared pole;
• said first half share pole is comprised of a first layer;
• i) coils over said bottom coil dielectric layer;
• j) a front second half shared pole over said first half shared pole;
• a back second half shared pole over a portion of over said first half shared pole;
• said front second half shared pole and said back second half shared pole are comprised of a second layer;
• said first layer and said second layer are different layers;
• k) a top coil dielectric layer over said bottom coil dielectric layer, said coils and said shared pole dielectric layer;
• l) said top coil dielectric layer being coplanar with said front second half shared pole and said back second half shared pole;
• m) a write gap layer over said front second half shared pole and said top coil dielectric layer over said coils;
• and
• n) an upper pole over said write gap layer.

A write head having a sunken share pole comprising:

• a) a bottom coil dielectric layer over said first half shared pole over a substrate;
• said first half share pole is comprised of a first layer;
• b) coils on said bottom coil dielectric layer;
• c) a front second half shared pole over said first half shared pole;
• a back second half shared pole over a portion of said first half shared pole;
• said front second half shared pole and said back second half shared pole are comprised of a second layer;
• said first layer and said second layer are different layers;
• d) only a single top coil dielectric layer over said bottom coil dielectric layer, and said coils;
• e) said top coil dielectric layer being coplanar with said front second half shared pole and said back second half shared pole;
• f) a write gap layer over said front second half shared pole and said top coil dielectric layer over said coils;
• and
• g) an upper pole over said write gap layer.

A write head having a sunken share pole comprising:

• a) an undercoat dielectric layer over a substrate;
• b) a bottom shield on said undercoat dielectric layer;
• c) a bottom shield dielectric layer on said bottom shield and said undercoat layer;
• d) the bottom shield dielectric layer co-planar with said bottom shield;
• e) a read gap dielectric and MR sensor over said bottom shield dielectric layer and said bottom shield;
• said read gap dielectric layer surrounding said MR sensor;
• f) a first half shared pole on said read gap dielectric;
• g) a shared pole dielectric layer on said gap dielectric layer;
• said shared pole dielectric layer coplanar being with said first half shared pole;
• h) a bottom coil dielectric layer on said first half shared pole;
• said first half share pole is comprised of a first layer;
• i) coils on said bottom coil dielectric layer;
• j) a front second half shared pole on said first half shared pole;
• a back second half shared pole over a portion of on said first half shared pole;
• said front second half shared pole and said back second half shared pole are comprised of a second layer;
• said first layer and said second layer are different layers;
• k) a top coil dielectric layer over said bottom coil dielectric layer, said coils and said shared pole dielectric layer;
• l) said top coil dielectric layer being coplanar with said front second half shared pole and said back second half shared pole;
• m) a write gap layer on said front second half shared pole and said top coil dielectric layer and over said coils;
• and
• n) an upper pole on said write gap layer.