A pad for controlling the state of contact or flying of a slider with or to an information-recording medium and a probe for exciting near-field light having a small spot size are mounted on the slider and the pad is near to the probe. Semiconductor laser light focused by an objective lens is converted...http://www.google.de/patents/US6304527?utm_source=gb-gplus-sharePatent US6304527 - Near-field optical head and manufacturing method thereof and optical recording/readout system using near-field optical head
