Described herein is a hard disk drive that includes a base and a cover. The base includes a closed end, sidewalls, an open end, and one or more corner portions. The sidewalls extend from the closed end, and the open end is defined by the sidewalls. The closed end, sidewalls, and open end define an interior cavity of the hard disk drive. Each corner portion is proximate a respective intersection of the sidewalls and positioned exteriorly of the interior cavity. The cover is welded to the sidewalls over the open end by a weld bead such that the weld bead is positioned between the interior cavity and the corner portions. The weld bead hermetically seals the cover to the base. Furthermore, at least one of the corner portions is at least substantially flush with the cover.

A base member of a disk drive apparatus includes a window portion, a first groove, and a communicating groove. The window portion passes through a bottom plate portion of the base member in an axial direction. The first groove is defined in an upper surface of the bottom plate portion around the window portion. A connector includes a board portion and an electrode terminal on a lower surface of the board portion. The board portion is on the upper surface of the bottom plate portion to cover the window portion, the first groove, and a portion of the communicating groove. The communicating groove extends from the first groove up to a position outside of an outer circumferential portion of the connector. An adhesive layer is between the upper surface of the bottom plate portion and the lower surface of the board portion.

A hermetically-sealed hard disk drive (HDD) involves the inner surfaces of sidewalls of a second cover overlapping with and adhesively bonded with the outermost surfaces of sidewalls of an enclosure base. Matching angled sidewalls for the inner and outermost surfaces, and an adhesive bond that provides a hermetic seal in which a ratio of the height to the thickness of the adhesive bond is in a range of 50-100:1, may be utilized to provide a hermetic seal having a long, narrow diffusion path to inhibit diffusion of gas through the adhesive bond. The second cover may include preformed corner corrugations, and the base may include corner pockets in which corner pleats, formed with the corner corrugations by bending inward the cover sidewalls, are received within when the cover and base are bonded together.

In the context of a hard disk drive (HDD), an adhesive leak channel structural feature is positioned in an area at which an electrical feed-through is adhered with an adhesive to an enclosure base, where the leak channel feature inhibits the leakage of gas through the adhesive. Embodiments include providing the leak channel feature on the base and/or on the feed-through. Embodiments may further include application of an electrodeposition coating to the base in an area at which the adhesive is in contact.

A hard disk drive (HDD) includes an enclosure base, a first cover coupled to the base, and two separate gasket seals composed of different materials and configured to seal the interface between the first cover and the base. One gasket seal is composed of a material having a low permeability to helium or another lighter-than-air gas contained within the HDD, and the other gasket seal is composed of material having a low water vapor or moisture transmission. By using two separate independent gaskets which have different attributes, the lighter-than-air gas concentration is kept high and humidity is kept low during manufacturing testing, prior to affixing a hermetic second cover over the first cover, and degradation of HDD performance due to change of flying height is ultimately avoided.

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.

A data storage device involves inner surfaces of sidewalls of a second cover overlapping with and adhesively bonded with the outer surfaces of sidewalls of an enclosure base having an uppermost top surface, where the second cover or an underlying first cover are removably adhered to the uppermost top surface of the base. The removable adhesive bond may comprise a pressure-sensitive adhesive, which can provide for reworkability during the manufacturing and testing process. The second cover-to-base sidewall bond may form a hermetic seal between the second cover and the base. Hence, a thinner base sidewall adjacent to the recording disks is enabled, leaving more space available for larger-diameter recording disks within a standard form factor, hermetically-sealed storage device, which may be filled with a lighter-than-air gas.

A hard drive includes a base deck with sidewalls to define a cavity. The hard drive further includes a weld lip that is positioned along and extends from the sidewalls. The weld lip includes a thermal choke that is configured to reduce heat transfer from the weld lip to the sidewalls.

According to one embodiment, a disk drive includes a base including a bottom wall and a side wall, a cover including a top plate screwed on the side wall, a side plate provided along a peripheral edge of the top plate and opposing to an outer surface of the side wall, and an opening formed in the side plate, a sealing member held between the top plate of the cover and an upper end face of the side wall, and a recording medium rotatably provided at the bottom wall. The side wall of the base includes a first portion located adjacent to the recording medium, and a projecting portion projecting from the first portion outward of the side wall and located in the opening of the side plate.

The present disclosure relates to electronic devices that include a composition that generates a gaseous oxidizing agent component within the interior gas space of the electronic device. The present disclosure also relates to electronic devices that include a container that includes a gaseous oxidizing agent component in a manner that the gaseous oxidizing component can transfer from the container to the interior gas space of the electronic device. The present disclosure also involves related methods.