Abstract: Various embodiments of the present invention provide systems and methods for determining fly height.

Abstract: Provided is a library device with which an accessor can move even when a magnetic tape cartridge is ejected out from a magazine onto a transporting path on which the accessor moves. The library device includes: a magazine inside which slots are provided; a device main body which houses the magazine; an accessor provided on one side of the device main body; and a magnetic tape drive which transports cartridges. A cartridge ejection preventing mechanism for preventing ejection of the entire part of the cartridge from the slot is provided in an opening-part front face of the slot, and a cartridge stopper member of the ejection preventing mechanism is set to be reciprocally rotatable along the moving direction of the accessor.

Abstract: A magnetic head includes first and second coils, a main pole, a write shield, first and second yoke layers, and first and second coupling parts. The first and second yoke layers are magnetically connected to the write shield. The first yoke layer is located on the leading side relative to the main pole, whereas the second yoke layer is located on the trailing side relative to the main pole. The first coupling part magnetically couples the main pole and the second yoke layer to each other. The second coupling part magnetically couples the first yoke layer and the second yoke layer to each other. The first coil is wound around the first coupling part, whereas the second coil is wound around the second coupling part.

Abstract: A magnetic write head for perpendicular magnetic data recording. The write head includes a substrate and a magnetic write pole formed on the substrate, the write pole having a trailing edge and first and second sides. A magnetic stitched pole is formed over a portion of the magnetic write pole, the stitched pole having a front edge that defines a secondary flare point. First and second non-magnetic side walls are formed at the first and second sides of the write pole. The non-magnetic side walls extend from the substrate at least to the trailing edge of the write pole in a first region near an air bearing surface and wherein the first and second non-magnetic side walls extend from the substrate to a point between the substrate and the trailing edge, allowing the stitched magnetic pole to extend partially over the sides of the write pole.

Abstract: A head gimbal assembly for a hard disk drive includes a head slider having a head element part which performs reading and/or writing of data to/from a magnetic disc and a suspension on which the head slider is mounted. Bonding pads formed on the head slider are formed on a side surface of the head slider except for an air bearing surface (ABS) which faces the magnetic disc and a back surface on a side opposite to the ABS. End peripheries of the bonding pads are arranged to be in contact with an end periphery of the side surface of the head slider which abuts on the back surface of the head slider.

Abstract: A flexure with conductors is provided with a flexure tail portion. The flexure tail portion includes a metal base, an electrically insulating layer, and a conductive member. The metal base is formed with a plurality of apertures. A damper is attached to the flexure tail portion. The damper includes a viscoelastic member and a metallic constrained plate. The viscoelastic member has first and second surfaces. The first surface of the viscoelastic member is secured to the flexure tail portion. The constrained plate is secured to the second surface of the viscoelastic member. The constrained plate extends longitudinally relative to the metal base along the conductive member. The conductive member and the constrained plate face each other with the viscoelastic member therebetween.

Abstract: A wiring substrate comprises a conductor pattern embedded in an insulating layer, the insulating layer having an opening to expose top and bottom faces of the conductor pattern and define a terminal of the wiring substrate, a torsion restrictor formed in the conductor pattern at a location passing over an edge of the opening, the torsion restrictor restricting torsion of the terminal, and an easily extensible part formed on at least one of the torsion restrictor and a portion of the terminal adjoining the torsion restrictor, the easily extensible part allowing the conductor pattern to longitudinally extend toward the opening.

Abstract: Various embodiments of the present invention are generally directed to a magnetically responsive lamination that may be constructed with a spacer layer disposed between a first and second ferromagnetic free layer. At least one ferromagnetic free layer can have a coupling sub-layer that enhances magnetoresistance ratio (MR) of the magnetically responsive lamination.

Abstract: A protecting circuit for reducing leakage currents comprises a first PMOS transistor (P-channel Metal-Oxide-Semiconductor Field-Effect Transistor), a second PMOS transistor, a first NMOS transistor (N-channel Metal-Oxide-Semiconductor Field-Effect Transistor), and a second NMOS transistor. The first PMOS transistor is coupled between a first voltage node and a node, and comprises a first gate coupled an input node. The second PMOS transistor is coupled between the node and an output node. The first NMOS transistor is coupled between the output node and a ground node, and comprises a third gate coupled to the input node. The second NMOS transistor is coupled between the input node and a second gate of the second PMOS transistor, and comprises a fourth gate coupled to a second voltage node.

Abstract: An arc fault protection circuit and method, provides arc fault protection in a multiphase power system by actuating a plurality of disconnect switches to disconnect the source from the load in response to detecting arcing proximate the load. As well, in response to detecting the arc, a plurality of impedances are introduced into the current path between said source and said load, with each of the impedances increasing the impedance between the source and the load along one phase, prior to the plurality of disconnect switches disconnecting the source from the load.

Abstract: A hybrid circuit breaker, including a first circuit that includes: a main current path which includes a mechanical switch element, a commutation path arranged in parallel with the main current path and including a controllable semi-conductor switch element. The breaker also includes a first capacitor provided in the commutation path in series with the controllable semi-conductor switch element, and a second circuit, arranged in series with the first circuit and including a second capacitor and an inductance-generating element arranged in series with each other.

Abstract: The present invention discloses a step up circuit with output floating for driving a load such as a LED or a series of LEDs in a string. The step up circuit comprises an input port, an output port, an inductor, an input capacitor, an output capacitor, a first switch, a second switch and a third switch. The third switch S3 is an additional switch for purpose of high dimming ratio control, short circuit protection and input disconnection realization. Further, the third switch can implement an additional LDO function when the voltage at the input port is larger than the voltage across the load.

Abstract: Bi-directional back-to-back stacked SCRs for high-voltage pin ESD protection, methods of manufacture and design structures are provided. The device includes a symmetrical bi-directional back-to-back stacked silicon controlled rectifier (SCR). An anode of a first of the back-to-back stacked SCR is connected to an input. An anode of a second of the back-to-back stacked SCR is connected to ground. Cathodes of the first and second of the back-to-back stacked SCR are connected together. Each of the symmetrical bi-directional back-to-back SCRs include a pair of diodes directing current towards the cathodes which, upon application of a voltage, become reverse biased effectively and deactivating elements from one of the symmetrical bi-directional back-to-back SCRs while the diodes of another of the symmetrical bi-directional back-to-back SCRs direct current in the same direction as the reverse biased diodes.

Abstract: This invention discloses an electronic device formed as an integrated circuit (IC) wherein the electronic device further includes a transient voltage suppressing (TVS) circuit for suppressing a transient voltage. The transient voltage suppressing (TVS) circuit includes a Zener diode connected between a ground terminal and a node for triggering a snapback circuit. In one embodiment, this node may be a Vcc terminal. The TVS device further includes a snapback circuit connected in parallel to the Zener diode for conducting a transient voltage current with a snapback current-voltage (I-V) characteristic upon turning on of the snapback circuit. And, the TVS device further includes a snapback suppressing circuit connected in series with the snapback circuit for conducting a current with an I-V characteristic complementary to the snapback-IV characteristic for clamping a snapback voltage.

Abstract: A method is disclosed for selectively triggering circuit breakers in the event of a short circuit, wherein an upstream circuit breaker and at least one downstream circuit breaker on the output side are provided. In at least one embodiment, the upstream circuit breaker monitors as to whether the or one of the downstream circuit breakers is already in the process of opening the switch contacts thereof to interrupt the circuit on the output side, while forming a switch arc. In order to reliably determine whether a downstream circuit breaker is already in the process of opening, according to at least one embodiment of the invention the upstream circuit breaker, so as to detect a switch arc on the output side, checks whether the ohmic resistance of the short circuit loop produced by a short circuit has an exponential curve over time in that an exponent is continually computed and based on the computer exponent the switch arc is determined if the computed exponent exceeds a threshold.

Abstract: Provided is a battery state monitoring circuit which detects that a voltage of a secondary battery has decreased abruptly because of an overcurrent, thereby being capable of protecting a battery device from an abrupt decrease in voltage of the secondary battery caused by the overcurrent. The battery state monitoring circuit includes a voltage comparator circuit and a power supply voltage detection circuit for detecting an abrupt decrease in power supply voltage, in which the voltage comparator circuit detects a normal overcurrent while the power supply voltage detection circuit detects the abrupt decrease in power supply voltage caused by load short-circuit.

Abstract: A control circuit with protection circuit for power supply according to the present invention comprises a peak-detection circuit and a protection circuit. The peak-detection circuit detects an AC input voltage and generates a peak-detection signal. The protection circuit generates a reset signal to reduce the output of the power supply in response to the peak-detection signal. The present invention can protect the power supply in response to the AC input voltage effectively through the peak-detection circuit.

Abstract: A fault protected current source is provided that can be used to safely drive LEDs in reliability test systems. The current source is includes circuits and processes that detect the common faults found in LED reliability test systems. After a fault is detected, the current source shuts down drive before destructive spikes are produced. Because only true LED failures are counted, this fault protected current source can be used to construct reliability test systems that produce more accurate reliability test data.

Abstract: According to one embodiment, a power supply system includes a switching device operable to be turned on and off for causing power to be delivered to a load. The switching device has a control terminal. Driver circuitry, coupled to the control terminal of the switching device, is operable to drive the switching device. The driver circuitry further operable to detect a fault condition in the power supply system. If the switching device is turned on when the fault condition is detected, the driver circuitry reduces the voltage at the control terminal of the switching device to a level just above the threshold voltage for the switching device, and holds the voltage at the control terminal to the level just above the threshold voltage for a controlled duration, thereby reducing the saturation current flowing through the switching device. The driver circuitry further reduces the voltage at the control terminal of the switching device after the controlled duration, thereby safely turning off the switching device.

Abstract: An ESD protection device includes a ceramic multilayer substrate including a plurality of laminated insulating layers, an external electrode, at least one of an in-plane connecting conductor and an interlayer connecting conductor, and a mixture portion. The mixture portion is provided along a principal surface of one of the insulating layers and includes a dispersed material including at least one of metal and semiconductor; metal and ceramic; metal, semiconductor, and ceramic; semiconductor and ceramic; semiconductor; metal coated with an inorganic material; metal coated with an inorganic material and semiconductor; metal coated with an inorganic material and ceramic; and metal coated with an inorganic material, semiconductor, and ceramic. The mixture portion is connected to the external electrode and at least one of the in-plane connecting conductor and the interlayer connecting conductor.

Abstract: An electronic circuit breaker includes controllable contacts adapted to connect a power source to at least one load, and a microcontroller for monitoring the flow of power to the load, detecting different types of fault conditions and automatically opening the contacts in response to a fault. A primary power supply of the breaker receives power from the line source when the contacts are closed, and supplies power to the control circuitry. Fault indicators in the microcontroller indicate the type of fault that caused the contacts to open. A secondary power supply provides power to the control circuitry when the contacts are open and a switch is closed.

Abstract: According to one aspect of the invention, a plug-in module is provided for installing in a power distribution assembly. In one embodiment, the plug-in module may include an overcurrent protection device, a power cable, which may include a first end coupled to the overcurrent protection device, and a second end coupled to the first end, one or more receptacle outlets attached to the second end and electrical contacts coupled to the overcurrent protection device and configured to couple the plug-in module to a plurality of stationary electrical conductors of the power distribution assembly.

Abstract: The electrical interface protecting apparatus is coupled between the wall-outlet and connected equipment to solve the difficulty of keeping broadband over power line modems and connected equipment safe from lightning and power surges while at the same time functioning effectively. The apparatus includes a low pass filter to prevent symmetrical signals from being attenuated and also an electromagnetic interference filter to provide clean and safe power at another outlet while preventing noise generated by connected equipment from being injected into the power line. It also provides a grounding means which reduces the leakage current flowing into the earth ground.

Abstract: A dielectric arrestor insert for use in a chamber wafer processing system having a gas input line, an arrestor housing and a wafer processing space. The input line is able to provide gas to the arrestor housing. The arrestor housing is able to house the dielectric arrestor insert. The dielectric arrestor insert comprises a gas entry portion, a non-linear channel and a gas exit portion. The gas entry portion is arranged to receive the gas from the input line. The non-linear channel is arranged to deliver the gas from the gas entry portion to the gas exit portion. The gas exit portion is arranged to deliver the gas from the non-linear channel to the wafer processing space.

Abstract: An infinitely variable multi-directional linear motion solenoid actuator (10) for use on printed circuit boards (12). The solenoid actuator includes wire coils (14) wound onto a bobbin (16) and a moveable magnetic armature (18) passing through a central bore (20) of the body. The armature is responsive to current passing through the coils to produce infinitely variable and reversible motion. Support posts (22) passing through the bobbin are used for electrical connection between the coils and the circuit board, as well as for mounting the actuator to the circuit board. The support posts may have solder heads on one end for surface mounting to the board, and may have plain heads on an opposed end for alternative through-hole mounting. A vacuum pick area (56) may be formed on one or both sides of the bobbin body to facilitate automated handling of the actuator.

Abstract: A lightning protection system is provided, typically for use on an outer surface of an aircraft, which includes the use of a lightning protection sheet that includes an electrically conductive film and at least one patterned, electrically non-conductive discriminator layer.

Abstract: A charge supplier improves an electrically charged state of a vehicle or the like by allowing any part of the vehicle, such as an engine and electrical equipments, to maintain its movements. A charge supplier includes a plurality of rectangular tablet-like germanium chips bonded to a copper plate using a conductive adhesive, and a copper tape folded to sandwich the copper plate, so that the germanium chips are provided between the copper plate and the copper tape. The copper tape may be secured to the copper plate by pressing the copper tape toward the copper plate to deform the copper tape, or by using a conductive adhesive. An attaching terminal is provided in the copper plate on the side of the opening of the copper tape which is folded in a shape of “U”.

Abstract: To provide a wafer support member that improves soaking properties of heating, the first wafer support member which comprises a base, an insulating material and a bonding layer that bonds the base and the insulating material, wherein the bonding layer has a stacked structure of a plurality of layers including a first layer and a second layer located closer to the insulating material than the first layer, and the first layer and the second layer have different thicknesses.

Abstract: A method of processing a substrate includes physically contacting an exposed conductive electrode of an electrostatic carrier with a conductor to electrostatically bond a substrate to the electrostatic carrier. The conductor is removed from physically contacting the exposed conductive electrode. Dielectric material is applied over the conductive electrode. The substrate is treated while it is electrostatically bonded to the electrostatic carrier. In one embodiment, a conductor is forced through dielectric material that is received over a conductive electrode of an electrostatic carrier to physically contact the conductor with the conductive electrode to electrostatically bond a substrate to the electrostatic carrier. After removing the conductor from the dielectric material, the substrate is treated while it is electrostatically bonded to the electrostatic carrier. Electrostatic carriers for retaining substrates for processing, and such assemblies, are also disclosed.

Abstract: Provided is a MEMS device that includes first and second lower electrodes on a substrate. The MEMS device also includes a first driving electrode forming a capacitance element having a first capacitance between the first lower electrode and the first driving electrode, a second driving electrode forming a capacitance element having a second capacitance between the second lower electrode and the second driving electrode, and an upper electrode supported in midair above the driving electrodes. The upper electrode moves toward the driving electrodes and has a variable third capacitance between the first driving electrode and the upper electrode and a variable fourth capacitance between the second driving electrode and the upper electrode.

Abstract: A key button mechanism and a portable electronic device using same are provided. The key button mechanism includes a base body, a protective piece and a key button. The protective piece is assembled to the base body and includes two actuating portions. The key button is partially attached to the base body and aligns with the protective piece. The key button includes a key body and two resisting blocks formed on the key body. The two resisting blocks are configured to align with and abut against the corresponding two actuating portions of the protective piece.

Abstract: A capacitor includes a first metal plate; a second metal plate in close proximity to the first metal plate; a third metal plate in close proximity to the first metal plate, and at least one dielectric layer interposed between the first, second and three vertical metal plates. The first, second and third metal plate are connected to three different terminals of an integrated circuit.

Abstract: In a laminate type ceramic electronic component, when an external electrode is formed directly by plating onto a surface of a component main body, the plating film that is to serve as the external electrode may have a low fixing strength with respect to the component main body. In order to prevent this problem, an external electrode includes a first plating layer composed of a Ni—B plating film and is first formed such that a plating deposition deposited with the exposed ends of respective internal electrodes as starting points is grown on at least an end surface of a component main body. Then, a second plating layer composed of a Ni plating film containing substantially no B is formed on the first plating layer. Preferably, the B content of the Ni—B plating film constituting the first plating layer is about 0.1 wt % to about 6 wt %.

Abstract: This invention provides a micro-supercapacitor with high energy density and high power density. In some variations, carbon nanostructures, such as carbon nanotubes, coated with a metal oxide, such as ruthenium oxide, are grown in a supercapacitor cavity that contains no separator. A lid is bonded to the cavity using a bonding process to form a hermetic seal. These micro-supercapacitors may be fabricated from silicon-on-insulator wafers according to the disclosed methods. An exemplary micro-supercapacitor is cubic with a length of about 50-100 ?m. The absence of a separator translates to higher energy storage volume and less wasted space within the supercapacitor cell. The energy density of the micro-supercapacitor may exceed 150 J/cm3 and the peak output power density may be in the range of about 2-20 W/cm3, in various embodiments.

Abstract: An electrode material is created by forming a thin conformal coating of metal oxide on a highly porous carbon meta-structure. The highly porous carbon meta-structure performs a role in the synthesis of the oxide coating and in providing a three-dimensional, electronically conductive substrate supporting the thin coating of metal oxide. The metal oxide includes one or more metal oxides. The electrode material, a process for producing said electrode material, an electrochemical capacitor and an electrochemical secondary (rechargeable) battery using said electrode material is disclosed.

Abstract: The electrolytic capacitor includes two chemically processed anode foils, two cathode foils, four separator sheets, four lead tab terminals, two anode leads and two cathode leads. The two chemically processed anode foils, two cathode foils and four separator sheets are arranged alternately and rolled, to form a capacitor element. Two lead tab terminals are connected to the two chemically processed anode foils, respectively, and the remaining two lead tab terminals are connected to two cathode foils, respectively. The two anode leads are connected to two lead tab terminals, respectively, and the two cathode leads are connected to two lead tab terminals, respectively. As a result, equivalent series resistance can stably be reduced.

Abstract: This document discusses capacitive elements including a first, second and third electrode arranged in a stack. The third electrode is positioned between the first and second electrode. An interconnect includes a unitary substrate shared with the first and second electrodes. The interconnect is adapted to deform to accommodate the stacked nature of the first and second electrodes. The unitary substrate includes a sintered material disposed thereon.

Abstract: A capacitor with an anode, a dielectric on the anode and a cathode on the dielectric. A blocking layer is on the cathode. A metal filled layer is on said blocking layer and a plated layer is on the metal filled layer.

Abstract: A solid electrolytic capacitor includes a capacitor element, an anode terminal, and a cathode terminal. The capacitor element includes an anode body, and an anode member buried in the anode body. The anode member includes first and second anode components. At least a lower end portion of the first anode component is exposed at a lower surface of the anode body. The second anode component communicates with the first anode component and extends inside the anode body. The second anode component has a width greater than the width of the first anode component at least in a direction along the lower surface of the anode body. The anode terminal is electrically connected to the lower end portion of the first anode component. The cathode terminal is electrically connected to a cathode layer of the capacitor element at a position below the lower surface of the anode body.

Abstract: The invention aims at providing a solid electrolytic capacitor having a high capacitance and a small equivalent series resistance (ESR) and a method for manufacturing the same. A solid electrolytic capacitor includes: an anode 1 made of a valve metal or an alloy thereof; a dielectric layer 2 provided on the surface of the anode 1; a first coupling agent layer 3 made of a coupling agent having a molecular structure in which at least two phosphonic acid groups are bonded via an alkyl group, the first coupling agent layer 3 being provided on the dielectric layer; a first conductive polymer layer 4 provided on the first coupling agent layer 3; and a cathode layer 11 provided on or above the first conductive polymer layer 4.

Abstract: An image forming apparatus includes a first right frame, a first left frame facing the first right frame, a second right frame positioned below the first right frame, a second left frame facing the second right frame and positioned below the second right frame. The image forming apparatus further includes an image forming unit positioned between the first right frame and the first left frame. The image forming apparatus still further includes a frame connecting unit configured to connect the first right frame, the first left frame, the second right frame and the second left frame. The first right frame and the second right frame are relatively slidable in an up-down direction, and the first left frame and the second left frame are relatively slidable in the up-down direction.

Abstract: An appliance control panel is described. The control panel includes a front metal panel, a rearwardly positioned polymeric decorated film and an adhesive layer disposed between the panel and the decorated film. The film overlies an electronic control module which typically includes various displays and press-type switches. Various markings and indicia on the decorated film are visible through openings in the panel and the adhesive layer. The appliance control panel includes one or more capacitance touch switches.

Abstract: A waterproof and shockproof cover for a PAD computer is disclosed. The cover comprises an upper housing, a base housing, a glass, a first rubber ring, a second rubber ring and four shockproof elements. The base housing is corresponding to the upper housing, wherein the upper housing comprises a first connection and the base housing comprises a second connection corresponding to the first connection for fastening with each other. The upper housing comprises a viewing window hole and a first groove formed around the rim of the viewing hole, and the first rubber ring is disposed within the first groove. The glass covers the viewing window hole and the first rubber ring. The four shockproof elements disposed respectively at four corners of a rectangular accommodation space of the base housing for bearing the PAD computer.

Abstract: A mounting apparatus for mounting expansion cards to expansion slots set on a circuit board includes a bracket and a number of mounting members. The bracket includes two racks opposite to each other and fixed to the circuit board. A number of spaced bars extend from the mounting piece. Each mounting member includes a fixing plate fixed to a corresponding bar, a locking portion extending from a top of the fixing portion. Two parallel raised portions protrude on an inner surface of the fixing plate to sandwich a corresponding end of the corresponding expansion card. The locking portion abuts against the top of the corresponding expansion card.

Abstract: A supplementary cooling system is provided for cooling a computing system. An apparatus may comprise a computing system and a docking system. The computing system has a cooling area and a fan area which is partionable from the cooling area. The docking system has a fan and an airflow outlet which is operably connected to the fan.

Abstract: A computer system includes a computer case and an air guiding duct. The motherboard is attached to the computer case, and a heat sink is attached to the motherboard. The air guiding duct includes a top panel. A mounting member is slidably attached to the top panel and is clipped to the heat sink. A limiting device is located on the top panel and engaged with the mounting member to prevent the mounting member from sliding relative the top panel.

Abstract: A portable processing device that includes a base portion and a main portion. The base portion includes a magnet and guides. The main portion includes a magnetic area. The base portion and the main portion are separable and configured to be held together by a magnetic force between the magnetic area and the magnet. The main portion is configured to be slideably movable with respect to the base portion in a sliding direction defined by the guides. The base portion may further include a cavity adjacent to the top end of the base portion, with a second magnet disposed proximate the cavity. At the end of a sliding motion, the bottom of the main portion is pulled into the cavity by magnetic attraction between the second magnet and the magnetic area. In some embodiments, the main portion may be capable of a flip with respect to the base portion.

Abstract: A variable form handheld computer may be configurable either as a short form handheld computer or as long form handheld computer. The variable form handheld computer comprises a variable form housing frame configurable as either a short form housing frame or a long form housing frame. The variable form housing frame comprises a plurality of handheld computing modules comprising a keyboard module, a circuitry module, a battery module and a variable form display screen. The variable form display screen is configurable either as a short form display screen or a long form display screen. The long form housing frame securely frames the handheld computing modules when the variable form display screen is configured as the long form display screen, and the short form housing frame securely frames the plurality of computing modules when the variable form display screen is configured as the short form display screen.

Abstract: A switching module is for connecting a Pulse Width Modulation (PWM) device to a plurality of fans under test. The switching module includes a print circuit board (PCB), and a plurality of groups of signal connectors arranged on the PCB. Each group of signal connectors includes a first port, a second port, and a third port interconnected with each other. The first port is for connecting to a testing port of an external PWM device. The second port is for connecting one corresponding fan of the plurality of fans. The third port is for connecting an interface of a server motherboard.

Abstract: A detachable USB fan module mounting structure includes a machine case having a top opening and two guide rails at two opposite lateral sides of the top opening, a circuit board with one a USB connector accommodated in the machine case, a cover member detachably covered on the top opening of the machine case and having a coupling structure detachably coupled to the guide rails of the machine case and a bottom bracket with a fan module positioning structure to hold a USB fan module that has a power cord with a USB plug connected to the USB connector of the circuit board.