Patent ID: 7656610

Claim:
A magnetic recording head drive comprising: a reel for rotating recording media across a magnetic recording head; and a bi-directional magnetic recording head that reads and writes data onto the recording media, the magnetic recording head comprising at least the following layers positioned in order: a substrate; an underlayer positioned after the substrate; a first bottom shield positioned after the underlayer; a first gap positioned after the first bottom shield; a first magnetoresistive sensor positioned after the first gap; a second gap positioned after the first magnetoresistive sensor; a first shared shield positioned after the second gap; a first write gap positioned after the first shared shield; a first top pole positioned after the first write gap; an insulating spacer positioned after the first top pole; a second bottom shield positioned after the insulating spacer; a third gap positioned after the second bottom shield; a second magnetoresistive sensor positioned after the third gap; a fourth gap positioned after the second magnetoresistive sensor; a second shared shield positioned after the fourth gap; a second write gap positioned after the second shared shield; a second top pole positioned after the second write gap; and an overcoat positioned after the second top pole.