Patent ID: 8797676
Filing Date: 2014-08-05
Classification: G11B

Abstract:
1. A hard disk drive device, comprising: a casing formed by an upper housing and a lower housing; and a magnetic disk as well as a magnetic head housed inside the casing, wherein an intake port for adjusting a difference between pressures of inside and outside the casing is provided to either the upper housing or the lower housing, and the intake port is sealed by a pressure-adjusting gel-type member from an outer side, the pressure-adjusting gel-type member is formed by a single columnar-member, and includes a recessed part inside thereof, an inside diameter of the recessed part being formed to be in the same size as an inside diameter of the intake part, and the pressure-adjusting gel-type member is put on an outer side of the casing with the recessed part being aligned with the intake port.