A method and apparatus for improving servo stability in read heads while writing is disclosed. In one embodiment, a magnetic storage device includes a disk surface and a transducer. The disk surface has servo information and user data stored thereon. The transducer includes a read head and a write head....http://www.google.com.tw/patents/US7397622?utm_source=gb-gplus-share專利 US7397622 - Method and apparatus for improving servo stability in read heads while writing
