Patent ID: 9202478
Filing Date: 2015-12-01
Classification: B23K,G11B

Abstract:
1. A head comprising: a slider having an air bearing surface, a trailing face that is normal to the air bearing surface, and a mounting face that is opposite but substantially parallel to the air bearing surface; a magnetic transducer disposed on the trailing face of the slider; and a submount attached to the mounting face by a first solder layer, the first solder layer comprising an alloy of at least 45% gold by weight dissolved in tin; a laser diode attached to the submount, wherein the mounting face of the slider includes a first underlayer that comprises platinum, and an interface layer disposed between and in direct contact with the first underlayer and the first solder layer, the interface layer comprising a metal selected from the group consisting of Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, and W.