Magnetic recording write apparatus having a pole having an aspect ratio greater than one and an auxiliary pole

A magnetic write apparatus comprising:

• a main pole comprising:
• a pole tip occupying a portion of a media facing surface;
• a yoke recessed from the media facing surface and extending from the pole tip in a yoke direction that is perpendicular to the media facing surface;
• a yoke extension region extending in the yoke direction from the yoke,
• wherein the main pole has a total length in the yoke direction, the total length extending from the media facing surface to a back surface of the yoke extension region, the back surface being the surface of the yoke extension region that is farthest away from the media facing surface in the yoke direction;
• and
• an auxiliary pole adjacent to the main pole, wherein the auxiliary pole is recessed from the media facing surface by not more than 1.05 microns,
• wherein the main pole has a main pole width in a cross track direction that is perpendicular to the yoke direction and to the media facing surface;
• and
• wherein the main pole has an aspect ratio obtained by dividing the total length by the main pole width, and wherein the aspect ratio is greater than 1.

A magnetic write apparatus comprising:

• a main pole comprising:
• a pole tip occupying a portion of a media facing surface;
• a yoke recessed from the media facing surface and extending from the pole tip in a yoke direction that is perpendicular to the media facing surface;
• and
• a yoke extension region extending in the yoke direction from the yoke;
• and
• a first auxiliary pole below the main pole in a down track direction that extends parallel to the media facing surface, the first auxiliary pole having a front surface and a back surface,
• wherein the front surface is closer to the media facing surface than the back surface, and wherein the front surface is recessed from the media facing surface,
• wherein a length of the first auxiliary pole in the yoke direction is smaller than a total length of the main pole in the yoke direction, and
• wherein a width of the first auxiliary pole in a cross track direction that is perpendicular to the yoke direction and the down track direction is smaller than a width of the main pole in the cross track direction.