SLIDER, HEAD GIMBAL ASSEMBLY AND DISK DRIVE UNIT WITH THE SAME

摘要

A slider for a head gimbal assembly includes a trailing surface, a plurality of connection pads arranged on the trailing surface adapted for both bonding the slider to a suspension of the head gimbal assembly and testing the performance of the slider. At least a part of the connection pads each comprises a bonding portion and a testing portion electrically connected to the bonding portion and larger than the bonding portion, all the bonding portions and the rest part of the connection pads are arranged in a first row and the testing portions are arranged outside the first row. The slier of the present invention has a new pad layout to facilitate bonding of the connection pads and permit to provide additional pads thereon to connect the additional sensors therein for precise reading and writing, thereby improving the performance of the slider. The invention also discloses a head gimbal assembly and a disk drive unit including the same.