Abstract: A mounting device for a disk drive includes a bracket for receiving the disk drive, and a securing member for mounting the disk drive in the bracket. The bracket includes a pair of side panels for receiving the disk drive therebetween. A cutout is defined in each side panel in a front portion thereof. The securing member includes a handle and a pair of cantilevers extending from opposite ends of the handle. The handle includes a base body and a pair of arms extending from opposite ends of the base body to connect the pair of cantilevers. Each arm includes a first bent portion protruding outwardly from the base body, and a second bent portion protruding inwardly from the first bent portion. A resilient protrusion is formed on the second bent portion for inserting in the cutout.

Abstract: An uninterruptible power supply for home/office networking and communication system (UPS) comprising: (i) an AC-DC converter, (ii) a battery charger, (iii) a rechargeable battery array, (iv) a control circuit, and (v) a plurality of DC-DC voltage converters/voltage controllers, wherein, in operation, when an AC power supply is available, the UPS provides a plurality of DC voltage outputs to a plurality of loads Li, through the AC-DC converter, the control circuit, and the plurality of the DC-DC voltage converters/voltage controllers, and provides continuous DC charge to the rechargeable battery array, and when the AC power supply becomes unavailable, the control circuit detects the unavailability of the AC power supply, the UPS provides a plurality of DC voltage outputs to the plurality of loads Li, through an DC supply voltage of the rechargeable battery array, the control circuit, and the plurality of the DC-DC voltage converters/voltage controllers.

Abstract: A magnetic write head for perpendicular magnetic recording having a thin wrap-around magnetic shield. The small thickness and forming method of the thin wrap-around magnetic shield allow it to be electroplated using a thin photoresist frame mask. The thin photoresist frame mask has better critical dimension and straight wall control than a thicker mask, which allows the wrap-around magnetic shield to be constructed with much more straight and uniform back edge for shield throat height control than is possible when forming a thicker (i.e. taller) shield. The thin wrap-around magnetic shield can be stitched to a trailing return pole to avoid magnetic saturation of the wrap-around shield.

Abstract: A method for manufacturing a magnetic write head having a write pole with a flared step feature that defines a secondary flare point. The method involves depositing a magnetic write pole material on a substrate and then depositing a magnetic material over the write pole material followed by a non-magnetic material. A first mask is formed having a front edge to define the location of the secondary flare point, and one or more material removal processes are used to remove portions of the magnetic layer and non-magnetic layer that are not protected by this first mask. The first mask is replaced by a second mask that is configured to define a write pole, and an ion milling is performed to define the write pole. Shadowing from the magnetic layer and non-magnetic layer form a flared secondary flare point.

Abstract: A perpendicular magnetic recording write head that may be used in magnetic recording disk drives has a magnetic write pole (WP) with an end that is generally the same width as the width of the data tracks on the disk. A trailing shield (TS) is spaced from the WP in the along-the-track direction, a pair of side shields are located on opposite sides of the WP in the cross-track direction, and an optional leading shield (LS) is located on the opposite side of the WP from the TS in the along-the-track direction. The TS, side shields and LS are formed of magnetically permeable soft ferromagnetic material and are separated from each other by nonmagnetic separation layers. The TS, side shields and LS each has a throat height (TH) thickness in its region facing the WP. The throat heights for the shields may be different.

Abstract: A method and apparatus for integrating a stair notch and a gap bump at a pole tip in a write head is disclosed. A protective plated layer is formed over the bump to prevent the bump form being damaged during formation of the notch at the pole tip. The flux from the second pole outside of the track will be effectively channeled to the first pole piece under the alumina bump.

Abstract: A method for manufacturing a magnetic write head having a wrap around magnetic shield. The method allows a highly accurate short wavelength such as 193 mm photolithography to be used to accurately define the placement and critical dimension of wrap around magnetic shield. The method includes the formation of a magnetic write pole, top gap, and side gap and the deposition of a RIEable fill layer thereover, and CMP to planarization. A 193 nm photolithography and ion milling is used to form a mask over the RIEable layer and one or more reactive ion etching processes are performed to pattern the RIEable layer through 193 nm photolithography mask. A wrap around shield can then be electroplated into the opening formed in the RIEable layer.

Abstract: A magnetic write head for perpendicular magnetic recording having a stitched notched trailing shield. The trailing shield includes a first pedestal portion having sides that are self aligned with the sides of the write pole and having a back edge that extends a first shield throat height. The shield further includes a second shield portion stitched onto the pedestal portion, the second shield portion having a back edge that extends beyond the back edge of the pedestal portion.

Abstract: A perpendicular magnetic recording write head has at least one flux shaping layer located on the write pole. The write pole has an end located substantially at the surface of the head carrier that faces the recording medium. The write head includes a main pole, on which the write pole is formed, that has an end recessed from the write pole end, and at least one flux return pole. In one implementation a first flux shaping layer is located between the main pole and the write pole and has an end recessed from the write pole end. A second flux shaping layer, also with its end recessed form the write pole end, may be located on the write pole. The second flux shaping layer may also cover the sides of the write pole in the cross-track direction so that together with the first flux shaping layer, the write pole is substantially surrounded by flux shaping material.

Abstract: A method for manufacturing a magnetic write head for perpendicular magnetic recording. The method includes forming a write pole, and then depositing a refill layer. A mask structure can be formed over the writ pole and refill layer, the mask structure being configured to define a stitched pole. An ion milling or reactive ion milling can then be performed to remove portions of the refill layer that are not protected by the mask structure. Then a magnetic material can be deposited to form a stitched write pole that defines a secondary flare point. The stitched pole can also be self aligned with an electrical lapping guide in order to accurately locate the front edge of the secondary flare point relative to the air bearing surface of the write head.

Abstract: A method for forming a via in an alumina protective layer on a structure such as a magnetic write head for use in perpendicular magnetic recording. A structure such as a magnetic pole, and or magnetic trailing shield, is formed over a substrate and is covered with a thick layer of alumina. The alumina layer can then be planarized by a chemical mechanical polishing process (CMP) and then a mask structure, such as a photoresist mask, is formed over the alumina layer. The mask structure is formed with an opening disposed over the contact pad. A reactive ion mill is then performed to remove portions of the alumina layer that are exposed at the opening in the mask, thereby forming a via in the alumina layer.

Abstract: A chemical-mechanical nanogrinding process achieves near-zero pole tip recession (PTR) to minimize magnetic space loss of the head transducer to media spacing loss, alumina recession and trailing edge profile variation, and smooth surface finish with minimal smearing across multi-layers of thin films and the hard substrate to meet the requirements of high areal density thin film magnetic heads for hard disk drives (HDD). With a fine chemical mechanical nanogrinding process, PTR can be improved to a mean of about 0.5 nm.

Abstract: A method for manufacturing a write head with a helical coil having a very small and well controlled spacing between adjacent coil leads. The method includes forming a first set of coil leads, then conformally depositing a thin layer of electrically insulating material such as alumina over the first set of coil leads and over the substrate. An electrically conductive seed layer is then deposited over the thin layer of non-magnetic, electrically insulating material An electrically conductive material such as Cu is then deposited by electroplating in order to form a second set of electrically conductive leads interspersed within the first set of electrically conductive leads, each of the second set of leads being separated from the second set of leads by a portion of the thin layer of non-magnetic, electrically insulating material.

Abstract: A storage device assembly includes a storage device (50) with a fastener (524) thereon, a bracket (10) for accommodating the storage device and an operating member (40) slidably attached to the bracket. The bracket defines a guiding hole (166) for the fastener of the storage device inserting therethrough. The operating member includes a latching portion (426) and a deflectable mounting portion (46). The operating member has a locked position in which the latching portion engages with the fastener, and a unlocked position in which the mounting portion is biased to disengage the latching portion from the fastener.

Abstract: A mounting apparatus for a data storage device includes a chassis (10), a data storage device (70) with a groove defined in a sidewall thereof, a supporting bracket (20) fixed to the chassis (10), an elastic tab (25) mounted to the supporting bracket (20), a connecting rod (30) movably attached to the supporting bracket (20) and a poke rod (40) pivotably mounted to the supporting bracket (20) and movably connected with the connecting rod (40). The supporting bracket (20) has a sidewall (22) with a rectangular hole (226) defined therein. The elastic tab (25) has a protrusion (256) extending through the rectangular hole (226) for engaging in the groove. The connecting rod (30) has a post (332) for urging the elastic tab (25) to move outwards. That the connecting rod (30) is pushed urges the data storage device (70) to retreat from the supporting bracket (20).

Abstract: A computer enclosure includes a base (10), a cover (100) and a resilient member (80) attached to the base and compressed by the cover. The base has a latching portion (68) disposed thereon. The cover is adapted to being mounted to the base, and has a mounting protrusion (70) projecting therefrom. The mounting protrusion engages with the latching portion for preventing the cover moving in a first direction, thereby securing the cover on the base. The resilient member is attached to the base and compressed by the cover. When the mounting protrusion disengages from the latching portion, the resilient member pushes the cover to move in the first direction due to being released.

Abstract: A perpendicular write head for writing data onto tracks includes a main pole, a trailing shield and bilayer trailing shield gap layer between the main pole and the trailing shield and improving writing and track width control.

Abstract: The invention relates to a hybrid interfering RNA molecule comprising a duplex RNA and a single stranded DNA molecule and its use in the ablation of mRNA and in polymerase chain reactions.

Abstract: A perpendicular write head includes a main pole comprising a Durimide/Alumina hard mask formed over a laminate layer process to form the main pole without using a liftoff or chemical mechanical polishing process, thereby avoiding rounding corners of the pole, the main pole being controlled in shape for improved control of critical dimension of track width and angle of the bevel to avoid undesirable adjacent track writing.

Abstract: A primary server and a backup server that both run a RADIUS client in a cold start configuration share a single IP address that includes a limited number of message identifiers (MIDs). The primary server and the backup server each have a small number of fixed message identifiers. In addition, a large number of shared message identifiers are used by the primary server, and then used by the backup server a predetermined time after the primary server fails.