Abstract: Improved writability and a substantial reduction in adjacent track erasure are achieved by incorporating a composite shield structure in a PMR writer. There is a trailing shield formed a certain distance above the top surface of a write pole, a leading shield formed a certain distance below the bottom surface of the write pole, and a partial side shield having a side shield section formed on each side of the write pole. The partial side shield thickness is less than that of the write pole. Each partial side shield section has a side that is parallel to the nearest write pole side and a top surface that is offset from the write pole top surface by 0 to 0.15 microns. A plurality of magnetic connections between two or more shield elements is employed to ensure correct magnetic potential. The large write pole has a flare angle of 45 to 75 degrees.

Abstract: A magnetic writer includes a write pole configured such that the easy magnetic axis is parallel to the vertical length direction of the write pole tip and to the ABS of the recording media. The write pole tip can be a multilayer structure comprising alternating magnetic and nonmagnetic layers with a planar orientation substantially perpendicular to the ABS and with magnetic anisotropy parallel to the vertical length direction of the write pole tip. The alternating magnetic and nonmagnetic layers may be formed by electroplating on a conformal seedlayer in a trench, or by static off axis physical vapor deposition.

Abstract: A perpendicular recording medium having a perpendicular magnetic recording layer and a magnetically soft underlayer structure disposed beneath the recording layer. The soft underlayer structure includes at least first and second soft magnetic layers having different magnetic permeabilities to create a magnetic permeability gradient in the soft underlayer structure. One or more of the soft magnetic layers can be anti-parallel coupled. The soft underlayer structure of the present invention having a magnetic permeability gradient advantageously leads to reduced adjacent track erasure (ATE) while maintaining good overwrite (OW) properties.

Abstract: In a disk drive device, a recording disk is mounted on a rotor. A base has a bearing hole, the center of which is along the rotational axis of the rotor. A bearing unit rotatably supports the rotor with respect to the base, the bearing unit being glued to the bearing hole. A ring-shaped first groove, the center of which is along the rotational axis, is arranged on a side surface of the bearing hole. A ring-shaped second groove, the center of which is along the rotational axis, is arranged on an outer surface of the housing, the outer surface contacting the side surface of the bearing hole. The position of the second groove with respect to its direction along the rotational axis is different from the position of the first groove with respect to its direction along the rotational axis. The base and the bearing unit are electrically connected by a conductive resin applied along an edge portion of the bearing hole, the edge portion being on a lower surface of the base.

Abstract: A dimple forming apparatus for forming dimple on a workpiece at a desired position comprises a base mould with a concave surface, a heating unit and a forming pin with a spherical surface. The base mould is configured to be positioned below the workpiece. The heating unit is configured to heat the desired position of the workpiece for enhancing tractility of the desired position of the workpiece, and the forming pin is configured to be positioned above workpiece with the spherical surface of the forming pin aiming toward the desired position of the workpiece heated by the heating unit. The heating unit successfully enhances the tractility of desired position of the workpiece before the desired position of the workpiece is punched by the forming pin, and produces low stress at the junction of the dimple formed by the forming pin punching and the workpiece of the workpiece. The present invention also discloses a dimple forming method, a head gimbal assembly and a method for manufacturing a head gimbal assembly.

Abstract: A hard disk drive includes an actuator arm pivoting over a disk around a pivot shaft as a center of rotation to allow a read/write head to access data on the disk, a bobbin provided at the opposite side to the read/write head with respect to a pivot shaft holder that rotatably supports the pivot shaft, and a voice coil coupled to the bobbin. The bobbin includes a bobbin body coupled an end portion of the voice coil adjacent to the pivot shaft holder, and a plurality of bobbin legs extending from an end portion of the bobbin body toward areas of the other end portion of the voice coil that are separated from each other, and coupled to the areas of the other end portion of the voice coil that are separated from each other.

Abstract: A method and system for providing a magnetic recording transducer is described. The method and system include providing a pinned layer for a magnetic element. In one aspect, a portion of a tunneling barrier layer for the magnetic element is provided. The magnetic recording transducer annealed is after the portion of the tunneling barrier layer is provided. The annealing is at a temperature higher than room temperature. A remaining portion of the tunneling barrier layer is provided after the annealing. In another aspect, the magnetic transducer is transferred to a high vacuum annealing apparatus before annealing the magnetic transducer. In this aspect, the magnetic transducer may be annealed before any portion of the tunneling barrier is provided or after at least a portion of the tunneling barrier is provided. The annealing is performed in the high vacuum annealing apparatus. A free layer for the magnetic element is also provided.

Abstract: A magnetic reader comprises first and second shields oriented transversely to a media-facing surface, a magnetoresistive stack located between the first and second shields, and a flux guide. The magnetoresistive stack extends from a proximal end oriented toward the media-facing surface to a distal end oriented away from the media-facing surface. The flux guide extends from the first shield toward the second shield, and is spaced from the magnetoresistive stack at the distal end. The flux guide magnetically couples the distal end of the magnetoresistive stack to the first shield.

Abstract: An arc flash detector includes a light sensor, a light attenuating filter in communication with the light sensor, a housing disposed to support the light attenuating filter and the light sensor, and a logic circuit in communication with the light sensor. The logic circuit is disposed to receive an output of the light sensor and disposed to produce an output signal responsive to a predetermined intensity of light received by the light sensor. The light attenuating filter is disposed to reduce the intensity of light received by the light sensor. The housing is also disposed to retain the light sensor and the light attenuating filter at a fixed orientation.

Abstract: A system and method for detecting a fault condition by a relay is provided. The system includes means for detecting phase currents through three electrical phases, means for detecting a ground fault current, a processor configured to perform a current-based function based upon at least one of the phase currents and a filter. The processor is configured to perform current-based functions based on whether the filter is enabled or disabled.

Abstract: An electrostatic discharge protection device and methodology are provided for protecting semiconductor devices against electrostatic discharge events by temporarily forming during normal (non-ESD) operation two more inversion layers (112, 113) in a first well region (104) that is disposed between anode and cathode regions (105, 106) in response to one or more bias voltages (G1, G2) that are close to Vdd in order to reduce leakage current and capacitance during normal operation (non-ESD) condition. During an electrostatic discharge event, the bias voltages can be removed (e.g., decoupled or set to 0V) to eliminate the inversion layers, thereby forming a semiconductor resistor for shunting the ESD current.

Abstract: An electrostatic discharge (ESD) protection circuit coupled with an input/output (I/O) pad. The ESD protection circuit includes a clamp field effect transistor (FET) coupled between a first supply voltage and a second supply voltage. An inverter includes an input end and an output end. The output end of the inverter is coupled with a gate of the clamp FET. A RC time constant circuit is disposed between the first supply voltage and the second supply voltage. A current mirror includes a first transistor. The current minor is coupled between the input end of the inverter and the second supply voltage. A circuit is coupled with the input end of the inverter. The circuit is capable of outputting a voltage state on the input end of the inverter that is capable of substantially turning off the clamp FET while the I/O pad is subjected to a latch-up test using a negative current.

Abstract: A method of protecting a circuit includes measuring a value associated with a circuit having a current flowing through a switch to a load and comparing the measured value to a threshold. If the measured value meets or exceeds the threshold, the switch is turned OFF and a counter is incremented. If the counter is less than the counter limit, and a predefined time period has elapsed, the switch is turned back ON.

Abstract: An overvoltage protection element with a housing, at least one overvoltage limiting component in the housing, especially a varistor, and two connecting elements for electrically connecting the overvoltage protection element to a current or signal path in a normal state, the connecting elements being in electrically conductive contact with a respective pole of the overvoltage limiting component. In the normal state of the overvoltage protection element, at least one pole is connected to a connecting element via a plug-and-socket connection, and at least one spring is located between the housing and the overvoltage limiting component such that, when the overvoltage limiting component is thermally overloaded, it is turned by the spring separating the at least one pole from the assigned connecting element, and creating a thermally separating connection between the overvoltage limiting component and the housing when the temperature of the overvoltage limiting component exceeds a given boundary temperature.

Abstract: A transient voltage suppressing (TVS) circuit with uni-directional blocking and symmetric bi-directional blocking capabilities integrated with an electromagnetic interference (EMI) filter supported on a semiconductor substrate of a first conductivity type. The TVS circuit integrated with the EMI filter further includes a ground terminal disposed on the surface for the symmetric bi-directional blocking structure and at the bottom of the semiconductor substrate for the uni-directional blocking structure and an input and an output terminal disposed on a top surface with at least a Zener diode and a plurality of capacitors disposed in the semiconductor substrate to couple the ground terminal to the input and output terminals with a direct capacitive coupling without an intermediate floating body region.

Abstract: In one embodiment the present invention includes an over-current protection method. The method comprises generating a switching signal, starting and stopping a timer, sensing a current through a switch, comparing a response time to a reference time, and generating an over-current alarm signal. The switching signal activates one or more switches in a switching regulator. The timer is started in response to the switch being activated and is stopped in response to the sensed current exceeding a threshold. The response time indicates the time period between the starting and the stopping of the timer. The over-current alarm signal is generated if the response time is less than the reference time.

Abstract: An electric device that functions either as a reverting (resettable) type element or a non-reverting (non-resettable) type element depending on the conditions. Such an element includes a polymer PTC element and a temperature fuse member connected in series thereto, the temperature fuse member placed such that it is under the thermal influence of the polymer PTC element. A melting point of a metal composing the temperature fuse member is at least 5° C. higher than a melting point of a polymer composing the polymer PTC element.

Abstract: The present invention relates to power modules for controlling an input current to provide an output current, in particular, to such a power module (100) comprising at least one semiconductor switch for controlling the input current and a circuit substrate. The circuit substrate (108, 110) has at least one input terminal for being connected to an input voltage and at least one output terminal for outputting the output voltage. The input terminal and the output terminal are connected to each other via a main current path (104) that is controlled by the semiconductor switch. Said power module further comprises at least one transient current path (102) with extremely low inductivity for carrying a transient current during a switching operation of the semiconductor switch. The main path for the continuous current has a low ohmic resistance, but does not have to be designed to have a specifically low inductance.

Abstract: A polymer surge arrester has: internal elements including a plurality of disc-shaped nonlinear resistors disposed in a stacked manner, electrodes disposed at both ends of the nonlinear resistors, and a plurality of insulating rods coupling the electrodes; an insulating outer skin formed outside the internal elements by casting an insulating resin; and disc-shaped porous metal plates interposed between at least parts of the nonlinear resistors.

Abstract: Disclosed is a memory module having an ElectroStatic Discharge (ESD) prevention structure. The memory module may include a printed circuit board, a first circuit pattern on the printed circuit board, and a second circuit pattern on the printed circuit board. The second circuit pattern may be configured to discharge static electricity introduced to the memory module from outside the memory module. In addition, the second circuit pattern is not connected to the first circuit pattern. Disclosed also is a system that includes the memory module. The system may include a main board, a socket on the main board, and the memory module.

Abstract: The static eliminator includes an ionizer including a power source and an electrode which applies ions to an electretized dielectric film to eliminate electric charges formed on the electretized dielectric film. The electrified substance is in an electrically non-grounded state when the electric charges on the electretized dielectric film are eliminated.

Abstract: An ion generator to generate ion flow to ventilate heat comprises an emitter, a receiver and a power supply. The emitter comprises a needle electrode having one needle shaped tip configured as a discharging portion. The receiver comprises a plurality of flow channels for airflow and at least one receiving portion. The at least one receiving portion comprises a line edge arranged around a concave spherical surface, and the discharging portion is at a substantial center of the concave spherical surface. The power supply provides a voltage potential difference between the discharging portion of the emitter and the receiving portions of the receiver.

Abstract: An electronic blasting system comprising: a plurality of electronic detonators; and a blasting machine, a function of which is to transmit information to and/or receive information about one or more of the plurality of electronic detonators, wherein the blasting machine is adapted to perform this function under voice control.

Abstract: A variable-capacitance element the capacitance value of which can be freely set to a desired value corresponding to a write voltage, and, once set, is maintained also after the write voltage is removed. The invention also provides a method for adjusting a variable-capacitance element, a variable-capacitance device and an electronic apparatus. According to the invention, a variable-capacitance element 100 includes a pair of electrodes 101 and 102 formed with a ferroelectric material layer 103 in between. The variable-capacitance element is adjusted by the steps of: maximizing or minimizing the sum of electric dipole moments of the ferroelectric material layer 103; and writing a desired capacitance to the variable-capacitance element 100 by applying a desired write voltage V between the electrodes 101 and 102 of the variable-capacitance element 100 the sum of electric dipole moments of the ferroelectric material layer 103 of which has been maximized or minimized.

Abstract: A MEMS device of an aspect of the present invention including a MEMS element includes a first lower electrode provided on a substrate, a first insulator which is provided on the upper surface of the first lower electrode, and has a first thickness, and a movable first upper electrode supported by an anchor in midair above the first lower electrode, and a capacitance element includes a second lower electrode provided on the substrate, a second insulator which is provided on the upper surface of the second lower electrode, and has a second thickness, and a second upper electrode provided on the second insulator, wherein the second thickness is less than the first thickness.

Abstract: Improved flow through capacitors (FTC) and methods for purifying aqueous solutions are disclosed. For example, FTC electrodes that are activated with a poly-electrolyte are disclosed.

Abstract: In a method for manufacturing a multilayer electronic component, after a plating layer for forming an external electrode is formed on an end surface of a laminate, conditions for heat-treating the laminate are set such that interdiffusion layers have ends which face internal electrodes and which are spaced from the end surface of the laminate at a distance of about 0.5 ?m to about 1.9 ?m.

Abstract: In a method for manufacturing a laminated ceramic electronic component, after a plating layer for an external terminal electrode is formed by applying copper plating to an end surface of a component main body at which respective ends of a plurality of internal electrodes primarily including nickel are exposed, when a heat treatment at a temperature of about 800° C. or more is applied in order to improve adhesion strength and resistance to moisture of the external terminal electrode, voids may occur in the plating layer. The step of applying a heat treatment at a temperature of about 800° C. or more to a component main body with plating layers formed thereon includes not only a step of maintaining a top temperature of about 1000° C. or more but also a step of maintaining a temperature of about 600° C. to 900° C. at least once before the step of maintaining the top temperature.

Abstract: A laminated ceramic capacitor is provided which is excellent in reliability even when its dielectric ceramic layers thinned. For a dielectric ceramic in a laminated ceramic capacitor, a ceramic is used which includes a main component containing a barium titanate based composite oxide represented by the general formula: (Ba1-h-m-xCahSrmRex)k(Ti1-n-yZrnMy)O3, where Re is La or the like, M is Mg or the like, and the respective relationships of 0.05?x?0.50, 0.02?y?0.3, 0.85?k?1.05, 0?h?0.25, 0?m?0.50, and 0?n?0.40 are satisfied; and an accessory component as a sintering aid, wherein the average grain diameter of crystal grains in a sintered body is 0.6 ?m or less.

Abstract: An electrical energy storage device structure comprises a first conductive sheet, a second conductive sheet and an electrolyte sheet placed between the first conductive sheet and the second conductive sheet. In the device, at least one of the first conductive sheet and the second conductive sheet comprises a layer of carbon nanoparticles. The carbon nanoparticle layer is arranged to be adjacent to the electrolyte sheet. The carbon nanoparticles may include both high aspect ratio carbon nanoparticles and low aspect ratio carbon nanoparticles. The device is flexible and at least partially transparent.

Abstract: An electrode for an electric double layer capacitor includes a current collector including an aluminum (Al) foil layer and a highly conductive metal layer having a higher conductivity than Al and laminated on the Al foil layer, a groove formed in the Al foil layer to cause the highly conductive metal layer to contact an electrode material, and an electrode layer formed of the electrode material on the groove and the Al foil layer.

Abstract: To reduce the increase in leakage current in a molding process.

Abstract: In one embodiment, a medium voltage drive system includes at least one transformer and multiple power cell chambers each coupled to a transformer. The power cell chambers each may include a rectifier, a DC-link, and an inverter. Each power cell chamber can be separated into fixed and moveable portions, where the moveable portion includes the rectifier and the inverter and the fixed portion includes the DC-link. A power service bus can couple the fixed and moveable portions of each power cell chamber and couple in series groups of the plurality of power cell chambers.

Abstract: Power distribution apparatus with input and output power sensing and a method of use. A power distribution unit includes a sensor that senses power parameters of power outputs and a power input, a processor, and a communication circuit. A power management system includes a power manager, a user interface, and a plurality of power distribution units that may be located in one or more equipment cabinets and data centers. The system may compute apparent power, RMS power, power factor, energy usage over time, power usage history, or environmental history for any or all of the power distribution units. The system may identify an under-utilized server connected to one of the power distribution units and initiate a shut-down of that server.

Abstract: An electrical distribution panel includes an enclosure, a first power input, a first circuit interrupter including a first terminal electrically connected to the first power input and a second terminal, a first bus electrically connected to the second terminal, a plurality of second circuit interrupters powered from the first bus, a second bus electrically connectable to the first bus through one of the second circuit interrupters, and a number of third circuit interrupters powered from the second bus. The first bus and a number of the second circuit interrupters power a number of first loads. The second bus and the number of third circuit interrupters power a number of different second loads. The electrical distribution panel is converted for operation with a second power input to power the second bus. The second power input receives power from at least one of a separately derived system, and a portable generator.

Abstract: A switchboard including at least four conductors of horizontal configuration, the conductors secured to the switchboard to maintain the horizontal configuration, wherein at least one of the four conductors of horizontal configuration is an AC PEN (23) and at least one of the four conductors of horizontal configuration is a DC ground; at least one uninterrupted power supply and battery mounted in the switchboard and operatively connected to the DC ground (23); and at least one uninterrupted power supply and battery mounted in the switchboard and operatively connected to the AC ground (23).

Abstract: A universal power distribution system is provided for routing electrical circuits within a building structure to comprehensively provide electrical power to the building in ceiling configurations, wall-mounted configurations, raised floor configurations and in office furniture configurations. The system components for all of these configurations have common plug connectors that are engagable with each other so as to be readily usable in a wide variety of applications. The system is readily adaptable to form virtually any conventional circuit configuration found within conventional hard-wired systems yet is formed simply through the routing of the cables through the building cavities and interconnection is accomplished merely by plugging components together rather than through labor-intensive manual wiring.

Abstract: A universal power distribution system is provided for routing electrical circuits within a building structure to comprehensively provide electrical power to the building in ceiling configurations, wall-mounted configurations, raised floor configurations and in office furniture configurations. The system components for all of these configurations have common plug connectors that are engagable with each other so as to be readily usable in a wide variety of applications. The system is readily adaptable to form virtually any conventional circuit configuration found within conventional hard-wired systems yet is formed simply through the routing of the cables through the building cavities and interconnection is accomplished merely by plugging components together rather than through labor-intensive manual wiring.

Abstract: The invention provides a component, a display part structure and a portable terminal device with which breakage of a protecting member can be prevented so as to contribute to further thickness reduction of the portable terminal device. The display part structure of a terminal device includes, in a housing, a display panel used for displaying information; a lighting unit used for irradiating the display panel from a rear face thereof; a protecting member used for protecting the display panel; and a component disposed in the vicinity of at least the protecting member, and an empty space in accordance with a shape of the component is formed in the housing in the vicinity of the protecting member and either of the display panel and the lighting unit. The component has a shape including at least one of a curved face, a bevel face and a face vertical to the protecting member.

Abstract: A mobile digital video recorder (MDVR) has a hollow shell, two board tracks, two brackets, a main board, power board, VSM board, and a storage device. The board tracks and the brackets are attached securely in the shell. The main board is mounted slidably and detachably in the shell via the tracks. The power board is mounted slidably and detachably in the shell via the tracks. The VSM board is mounted slidably and detachably in the shell via the tracks. The storage device is mounted slidably and detachably in the shell via the brackets. Therefore, the main board, power board, VSM board and the storage device are easily pulled out from the shell for repairing, replacing, or upgrading to new technology.

Abstract: A mobile electronic device comprises a housing with a first housing part, a second housing part and a third housing part. The first and second housing parts are mounted for a slidable movement relative to one another, whilst the third housing part is mounted for pivotable movement relative to the second housing part. It is suggested that FIG. 4 is published with the abstract.

Abstract: An accessory strap securing mechanism is positioned in a portable electronic device to assemble an accessory strap thereon. The portable electronic device defines an assembling slot. The accessory strap securing mechanism includes an assembling portion and a securing member. The assembling portion is formed in the portable electronic device. The securing member includes a fixing portion and a holding portion. The fixing portion is fixed to the assembling portion. The holding portion includes a clasp, and the clasp is deformed to allow the accessory strap to separate when a force applied to the accessory strap exceeds a predetermined amount.

Abstract: A cover latching assembly includes a housing, a releasing assembly and a cover. The housing includes an upper board, a side board extending from the upper board and an assembling portion disposed on the upper board communicating with the side board through a hole. The cover is detachably mounted on the housing and includes an upper wall and a peripheral wall. The peripheral wall has a notch defined therethrough corresponding to the hole; the upper wall has a latching hook formed thereon adjacent to the notch. The releasing assembly is releasably assembled within the accommodating portion of the housing through the hole and partially accommodated within the hole for releasably latching with the latching hook of the cover.

Abstract: An electronic device includes an adjustable mechanism disposed at a front end of a housing body thereof. The adjustable mechanism includes a foot pad extending through the housing body, and movable relative thereto between a retracted position, where a bottom of the foot pad is higher than that of a docking station, and an extended position, where the bottom of the foot pad is at a same level as that of the docking station. A movable engaging hook is mounted slidably on an inner side of the housing body, and is partially exposed from the housing body. The engaging hook engages the foot pad when the engaging hook is at a limiting position and when the foot pad is at the retracted or extended position, and disengages the foot pad to enable the foot pad to move between the retracted and extended positions when at a free position.

Abstract: A portable terminal includes a first body having a first touch screen on an outer surface of the first body, a second body having a second touch screen on an outer surface of the second body, and a hinge unit configured to rotatably connect the first body and the second body. The first touch screen and the second touch screen face the same direction in an unfolded configuration, and the first touch screen and the second touch screen face each other in a folded configuration. The portable terminal further includes a rotation preventing unit configured to prevent relative rotation of the first body and the second body in the absence of an action for relative rotation when the portable terminal is in the unfolded configuration.

Abstract: An electronic device with a latching assembly includes a housing, a battery cover, a circuit board, and a latching assembly. The battery cover includes a pair of hook portions. The circuit board is mounted in the housing. The latching assembly includes a touch element, a magnetic element, and a pair of latching elements. The touch element and the magnetic element are electrically connected to the circuit board. The latching elements are connected with two opposite ends of the magnetic element, respectively. The latching elements cooperate with the hook portions to secure the battery cover to the housing. When the touch element is touched, a touch signal is generated and transmitted to the circuit board, the circuit board charges the magnetic element in response to the touch signal, and when the magnetic element is charged, the magnetic element contract to cause the latching elements to disengage from the hook portions.

Abstract: A display device includes a front frame, a panel module, a main back cover, a sub-back cover, a circuit device and a stand set, wherein the main back cover includes a recess portion sinking from the main back cover toward the panel module. An inner space is formed between the recess portion and the sub-back cover. The circuit device is disposed in the inner space and connected to the recess portion. In different embodiments, the display device includes a reinforcing rib for grounding purpose. The reinforcing rib is disposed on the panel module and is located between the panel module and the main back cover. Furthermore, a through-hole is formed on the recess portion for the reinforcing rib to pass through and electrically couples with the circuit device.

Abstract: According to an aspect of the present invention, there is provided an electronic apparatus including: a housing having: a first surface; and a second surface having a height different from that of the first surface in a direction perpendicular to the first surface, the second surface having a penetrating hole formed therein; and a film having: a first region to be faced to the first surface of the housing; and a second region to be faced to the second surface of the housing, the second region having a wall thickness larger than that of the first region.

Abstract: A display element includes a plurality of laminated display panels, each display panel having a material to control light sealed between two substrates, wherein at least in part of the display element, there is a portion where the number of the laminated display panels is different, a bent section is formed at the portion where the number of the laminated display panels is different, and electrodes may be provided or may not provided at the bent section.

Abstract: The present invention provides a system and method for transmitting information between a device within a housing to a second device, preferably a test or monitoring unit, outside of the housing. There are numerous issues associated with transferring information from within a sealed housing to an external device. In some cases, the use of wires inside the housing may be impractical, due to internal conditions, such as fluid flow, pressure or temperature. In one embodiment, the antenna of the external RF reading device is electrically connected to the dome of the housing. In another embodiment, the device within the housing is electrically connected to a housing component. In another embodiment, the gasket is used to pass information from within the housing to an external device.