Hgst Netherlands, B.v.

Western Digital Technologies, Inc.

Noritaka Otake

Kouki Uefune

Takako Hayakawa

Hiroshi Matsuda

Kimihiko Sudo

Kazuhide Ichikawa

Teruhiro Nakamiya

Katsumasa Nakatsukasa

Described herein is an apparatus that includes a housing that defines an interior cavity. The housing also includes a feedthrough aperture. The apparatus also includes an electrical connector that is coupled to the housing over the feedthrough aperture. The electrical connector includes a base, a plurality of pins extending through the base, and a skirt positioned about a periphery of the base. The pins extend from a location external to the housing to a location within the interior cavity of the housing. Further, an inner surface of the base is co-planar with an outer end of the feedthrough aperture. The apparatus also includes solder positioned on the housing and against an entire periphery of the skirt to seal the electrical connector to the housing.

Hard disk drive with feedthrough connector

A disk-enclosure base that is configured to inhibit formation of adherent solder-flux residue. The disk-enclosure base includes a casting, a through-hole fabricated in the casting, a solder channel, an E-coat layer, and an E-coat-free zone. The E-coat layer is applied to a first portion of an interior surface of the casting. The E-coat-free zone is adjacent to and surrounds the solder channel. The E-coat-free zone also includes a second portion of the interior surface of the casting lying between the solder channel and the E-coated first portion of the interior surface of the casting. The E-coat-free zone is configured to inhibit formation of adherent solder-flux residue. A disk-enclosure-base/electrical-feedthrough assembly that is configured to inhibit formation of adherent solder-flux residue, and a hard-disk drive (HDD) including the disk-enclosure-base/electrical-feedthrough assembly are also provided.

Disk-enclosure base configured to inhibit formation of adherent solder-flux residue

A hermetically resealable hard-disk drive (HDD) configured for recharging with a low-density gas. The hermetically resealable HDD includes a disk enclosure (DE), a magnetic-recording disk, a head-slider, an actuator, a low-density gas, a through-hole, and a plug. The DE includes a base, and a first cover and a second cover joined to the base. The second cover is disposed above the first cover. The through-hole is configurable for injection of a low-density gas into the DE. The low-density gas, having a density less than air, substantially fills the DE. The plug is press-fitted into, and hermetically seals, the through-hole. The plug is removable to allow recharging the DE with the low-density gas; and, the through-hole is configured to accept a resealing plug to be press-fit into, and to reseal hermetically, the through-hole after recharging. A method for injecting low-density gas into, and sealing, the hermetically resealable HDD is also provided.

Hermetically resealable hard-disk drive configured for recharging with a low-density gas

Growing community of inventors

Kanagawa, Japan

Noritaka Otake