58results about "Sealing carrier gaskets" patented technology

A base plate includes a support part, a bottom plate part, and a wall part. The wall part includes a first wall part and a second wall part above the first wall part. The first wall part includes a first wall surface and a support surface spreading from an upper end of the first wall surface to a radially outer side. The second wall part includes a second wall surface and a recess recessed to the radially outer side from the second wall surface. The recess is defined by a space enclosed by a recess wall surface located on the radially outer side of the second wall surface and extending upward from the support surface, a recess top surface connecting from an upper end of the recess wall surface to the second wall surface, and a recess support surface facing the recess top surface in an axial direction.

A recording device comprises a base, a cover attached to the base, a gasket, a recessed portion provided on the base, wherein the gasket is provided with a tip end portion having an arc-shaped cross section in a free state, is compressed in a state that a center of the tip end portion in the free state is deviated from a center of an opening of the recessed portion in a width direction intersecting the compressing direction, and is in contact with at least one opening edge in the width direction of the recessed portion and an inner face of the recessed portion in the compressed state.

Provided is a cover capable of adapting to a case requiring properties hard to be compatible for a gasket of a recording device. The cover attached to a base of a recording device to close the base, comprises a gasket having a loop shape and provided to a cover body, wherein the gasket has an inner gasket portion and an outer gasket portion arranged adjacent to each other on an inward side and an outward side of the loop shape, the outer gasket portion has a first property and a second property that are different properties and is superior to the inner gasket portion in the first property, and the inner gasket portion has the first property and the second property and is superior to the outer gasket portion in the second property.

A magnetic disk device according to an embodiment includes a housing in which a base, an inner cover provided with a first through-hole, and an outer cover are combined in this order and hermetically sealed, a magnetic disk that is stored in the housing, a first desiccant unit that is provided at the inner cover to face the base at a position away from the base, and a second desiccant unit that is provided at the outer cover and inserted into an internal space of the housing through the first through-hole provided in the inner cover to face the base at a position away from the base.

An electronic device including a housing having an interior gas space, at least one electronic component positioned within the housing, an environmental control module positioned within the housing, wherein the environmental control module contains a sorbent, and a relative humidity sensor in communication with the interior gas space, wherein the interior gas space is maintainable at a relative humidity of 0% as measured by the relative humidity sensor. The interior gas space may include between about 97% and about 99.9% helium expressed as a molar fraction and at least a portion of the remainder as molecular oxygen. The sorbent can include at least one of a type A zeolite, a type X zeolite, or a type Y zeolite.

A data storage device may include an enclosure and a metal organic framework (MOF) container situated within an enclosure interior. The MOF container contains a MOF configured to store captive molecular units and to release the captive molecular units in gaseous form into the enclosure interior. A method of manufacturing the data storage device may include charging the MOF, attaching the MOF container to the enclosure interior, and sealing the enclosure after attaching the MOF container to the interior of the enclosure. A method of adjusting an amount of gas in a sealed data storage device may comprise including a MOF container within an interior of the sealed data storage device, the MOF container containing a MOF, charging the MOF, and, after the sealed data storage device has been placed into service, the MOF releasing captive molecular units into the interior of the sealed data storage device.

A photocurable composition exhibits favorable adhesion force to an adherend, and favorable durability upon compression of a cured product thereof. A photocurable composition contains the following components (A) to (D), component (A): a polyisobutylene compound having a (meth)acryloyl group in a molecule; component (B): a urethane-modified (meth)acrylate oligomer, excluding the component (A); component (C): a monomer having a (meth)acryloyl group, excluding the component (A) and the component (B); and component (D): a photoinitiator. A content of a monomer having an alicyclic structure and a (meth)acryloyl group is 6 to 20 mass % based on 100 mass % of a total amount of the component (C).

A hard disk drive enclosure base includes a groove extending from an inner sidewall surface into the sidewall, and a seal embedded in the groove. In conjunction with increasingly larger recording disk diameters, correspondingly larger disk shrouds, and correspondingly narrower baseplate sidewalls, such a baseplate is configured to allow a first cover to physically engage a portion of the embedded seal extending inwardly from the sidewall surface, thereby providing a suitable drive sealing mechanism.

A hard disk drive enclosure base includes a main base composed of a first material and having at least one bottom opening therethrough, a base insert composed of a second material having a higher Young's modulus than the first material and inserted into a corresponding opening of the main base, and a friction stir weld (FSW) coupling the base insert to the main base. The base may further include a thin film sealing material between a base insert flange and the main base, which is heated by way of the FSW process and further hermetically seals the interface between the base insert and the main base. Such a base insert may be used to support with additional stiffness the spindle motor assembly and / or the actuator assembly, and provides for increasing the number of disks while maintaining sufficient rigidity in a standard form factor drive while maintaining a hermetically-sealed enclosure.

To provide a disk device capable of improving the strength of coupling between an end surface of a base and an outer cover.SOLUTION: A disk device according to one embodiment includes a magnetic disc, a base, a film, an inner cover, and an outer cover. The base is provided with an inner space and has: a first inner surface that surrounds the magnetic disk; a support surface that is connected to an end of the first inner surface in a first direction; a second inner surface that is more separated from a rotation axis of the magnetic disk than the first inner surface and is also connected to the support surface; and an end surface that is connected to an end of the second inner surface in the first direction. The film covers a coating region included in the second inner surface and is separated from the end surface and an exposure region included in the second inner surface and aligned with the coating region around the rotation axis. The inner cover is supported on the support surface and is surrounded with the second inner surface. The outer cover is at least partially coupled to the base.SELECTED DRAWING: Figure 1

A magnetic disk device according to an embodiment includes a housing in which a base, an inner cover provided with a first through-hole, and an outer cover are combined in this order and hermetically sealed, a magnetic disk that is stored in the housing, a first desiccant unit that is provided at the inner cover to face the base at a position away from the base, and a second desiccant unit that is provided at the outer cover and inserted into an internal space of the housing through the first through-hole provided in the inner cover to face the base at a position away from the base.

A gas replenishment component for an electronic enclosure is described. A main body defines a containment volume. The main body is sealed about the containment volume. A charging gas is contained in the containment volume. The containment volume has less than 5% N2. The main body defines a diffusive area that is permeable to the gas. A reversible seal obstructs the diffusive area.

Provided is a disk device capable of improving the bonding strength between an end surface of a base and a housing. A disk device according to an embodiment includes a magnetic disk, a base, a film, an inner cover, and an outer cover. The base body is provided with an internal space; the magnetic disk includes a first inner surface surrounding the magnetic disk, a support surface connected to an end of the first inner surface in a first direction, a second inner surface farther from a rotation axis of the magnetic disk than the first inner surface and connected to the support surface, and an end surface connected to an end of the second inner surface in the first direction. The film covers a covered region in the second inner surface, and is separated from the end surface and an exposed region in the second inner surface, the exposed region being aligned with the covered region around the rotation axis. The inner cover is supported by the support surface and surrounded by the second inner surface. And the outer cover is combined with at least one part of the base body.

A data storage device may include a sealed inner enclosure, wherein a gaseous environment inside the sealed inner enclosure differs from a standard air environment; an outer cover arranged over and coupled to at least one section of the sealed inner enclosure; and an environment-controlling substance located between the sealed inner enclosure and the outer cover. The sealed inner enclosure has at least one membrane to allow the environment-controlling substance to influence the gaseous environment inside the sealed inner enclosure.A method for manufacturing a data storage device may include: sealing an inner enclosure of the data storage device; attaching an outer cover to the data storage device; enclosing an environment-regulating substance between the inner enclosure and the outer cover; and creating a non-standard air environment inside the inner enclosure of the data storage device.

A cover is provided with a connection portion on an outer peripheral portion for conducting fastening. The connection portion is provided with a fastening face that is fastened by a bolt on a top face and a connecting face that is connected to the base on a bottom face, and the connection portion is formed into a stepped shape with steps that form a recessed shape on the top face and a projected shape on the bottom face with respect to the outer peripheral portion. The steps are set to have dimensions less than a thickness of a plate material. The stepped shape is provided with an outer face of the step and an inner face of the step that do not overlap each other in a planer direction of the connecting face.

The purpose of the present invention is to provide an adhesive tape excellent in barrier properties and L-shaped bending adhesion. Another purpose of the present invention is to provide a method for manufacturing a hard disk drive excellent in sealing properties even when a housing is sealed from the outside using said adhesive tape. Yet another purpose of the present invention is to provide a hard disk drive sealing structure that is sufficiently sealed even when the housing is sealed from the outside. The present invention is an adhesive tape in which the water vapor permeability at 40°C and 90% RH is 7.5 g / (m2 ∙day) or less, the flexural rigidity at 25°C at a bending width of 2.0 mm is 1.0 N∙mm2 or less in at least one of the MD direction and the TD direction, and the 180° peeling force with respect to SUS at 23°C is 5.0 N / 25 mm or more.

A gas replenishment component for an electronics enclosure is described. The body defines a containment volume. The body is sealed about the containment volume. The fill gas is contained in the containment volume. The containment volume has less than 5% N2. The body defines a diffusion region permeable to the gas. The reversible seal obstructs the diffusion region.

To provide a disk device capable of suppressing oxygen consumption inside the device and improving reliability.SOLUTION: According to one embodiment, a disk device comprises a housing in which a low-density gas containing oxygen and having a density lower than that of air is sealed, a disk-shaped recording medium rotatably provided in the housing, a spindle motor provided in the housing and supporting and rotating the recording medium, and a magnetic head including a thermal assist element for heating the recording medium. The surface of the magnet of the spindle motor is covered with a shielding film for shielding oxygen permeation.SELECTED DRAWING: Figure 3

To provide a disk device capable of suppressing the occurrence of a gap between a first cover and a second cover.SOLUTION: A disk device according to one embodiment includes a magnetic disk, a housing, a constraining layer, and a first adhesive material. The housing includes a base provided with an accommodation space in which the magnetic disk is disposed, a first cover attached to the base so as to close the accommodation space, and a second cover attached to the base so as to cover the first cover. The constraining layer includes a first surface that faces the first cover, and a second surface that is located opposite to the first surface, faces the second cover, and is inclined with respect to the first surface. The first adhesive material is interposed between the first surface and the first cover.SELECTED DRAWING: Figure 1

Disclosed are sealed-enclosure disk drives that utilize diffusion barriers to prevent volatile organic contaminants (VOCs) from migrating or flowing through interstitial spaces between covers of the disk drives, and thereby reaching the interior space where components reside that may be susceptible to VOCs. Accordingly, a diffusion barrier is disposed between the top cover and the process cover of the hard drive and positioned to reside in a migration path of VOCs to the interior space. The VOCs are primarily produced by a source of VOCs located in interstitial spaces between the covers, for example an adhesive that bonds the covers, a vibration dampener material, or the like. The diffusion barrier may include activated carbon selected to absorb and / or sequester VOCs.

The embodiment of the invention provides a disc device capable of suppressing generation of a gap between a first cover and a second cover. A disk device according to an embodiment includes a magnetic disk, a case, a restraint layer, and a first adhesive material. The housing includes a base body provided with an accommodation space in which the magnetic disk is disposed, a first cover attached to the base body so as to close the accommodation space, and a second cover attached to the base body so as to cover the first cover. The restraint layer has a first surface facing the first cover, and a second surface that is located on the opposite side of the first surface, faces the second cover, and is inclined with respect to the first surface. The first adhesive material is interposed between the first surface and the first cover.

To increase the number of disks while maintaining sufficient rigidity and airtight sealing in a standard form factor drive.SOLUTION: The HDD300 includes a main base 306a having at least one bottom opening therethrough, a base insert 306a - 1, 306a - 2 constructed of a second material having a higher Young's Modulus than the first material and inserted into a corresponding opening 306c - 1, 306c - 2 of the main base, and a friction-stir weld (FSW) joining the base insert to the main base. The base further includes a thin film sealing material 306f between the base insert flanges 306f - 1, 306e - 2 and the main base that is heated by the FSW process and further hermetically seals the interface between the base insert and the main base. Such a base insert supports the spindle motor assembly 302 and / or the actuator assembly 304 with additional rigidity.SELECTED DRAWING: Figure 3

A hard disk drive enclosure base includes a groove extending from an internal sidewall surface into the sidewall and a gasket seal embedded in the groove. In the context of progressively larger recording disk diameters, corresponding expanding disk shrouds, and corresponding narrower baseplate sidewalls, such a baseplate is configured to enable a first cover to physically engage with a portion of the embedded gasket seal that extends inward away from the sidewall surface, thereby providing a suitable drive sealing mechanism.

The present invention relates to a magnetic recording and reproducing device and a method for manufacturing the same. One embodiment aims to adsorb contaminated gas within the magnetic recording and reproducing device by incorporating an irreversible adsorption member within the housing. The magnetic recording and reproducing device and its manufacturing method of this embodiment include an irreversible adsorption member within a sealed housing for the magnetic recording and reproducing device.

To seal a desiccant in which hygroscopicity is maintained.SOLUTION: According to an embodiment, a magnetic disk device includes a housing in which a base, an inner cover provided with a first through-hole, and an outer cover are combined in this order and airtightly closed, a magnetic disk accommodated in the housing, a first desiccant unit provided in the inner cover so as to be separated from and face the base, and a second desiccant unit provided in the outer cover and inserted into an internal space of the housing via the first through-hole provided in the inner cover so as to be separated from and face the base.SELECTED DRAWING: Figure 2

The hard disk drive housing base includes a groove extending into the sidewall from the interior sidewall surface and a gasket seal embedded in the groove. In the context of gradually increasing recording disk diameters, corresponding expanded disk shrouds, and corresponding narrower substrate sidewalls, such substrates are configured to enable the first cover to physically engage with a portion of the embedded gasket seal extending inwardly away from the sidewall surface, thereby providing a suitable drive seal mechanism.

The purpose of the present invention is to provide an adhesive tape having excellent barrier properties and L-shaped bending adhesion. Another purpose of the present invention is to provide a method for manufacturing a hard disk drive having excellent sealing properties even when a case is sealed from outside by using the adhesive tape. In addition, an object of the present invention is to provide a hard disk drive sealing structure that is sufficiently sealed even when the case is sealed from the outside of the case. The present invention relates to an adhesive tape having a water vapor transmission rate of 7.5 g / (m < 2 > day) or less at 40 DEG C and 90% RH, a flexural rigidity of 1.0 N mm < 2 > or less at 25 DEG C at a bending width of 2.0 mm in at least one of the MD direction and the TD direction, and a 180 DEG peel force of 5.0 N / 25 mm or more with respect to SUS at 23 DEG C.