Patent ID: 7319573
Filing Date: 2008-01-15
Classification: G11B,H05K

Abstract:
1. A magnetic disk drive, comprising: a magnetic head for writing and reading information to and from a magnetic recording medium; a transmission line for transmitting writing and reading information to and from the magnetic head; and a suspension on which the transmission line is mounted, the suspension being coupled with the magnetic head, wherein said transmission line mounted on said suspension includes a pair of conductors as the writing line and a pair of conductors as the reading line, a lower conductor disposed underneath each of the writing line and reading line, and a first insulating layer interposed between said lower conductor and said writing and reading lines, and wherein the lower conductor has a stainless steel layer as a flexure formed thereunder integrally with the suspension, wherein a second insulating layer is interposed between the lower conductor and the stainless steel layer, wherein the suspension, the weld point, the stainless steel layer, and the lower conductor are grounded.