Abstract: A write head having a write pole tip. The write pole tip includes a bearing surface and a sidewall extending from the bearing surface to a rear end of the write pole tip. The sidewall has a first shape (e.g., a straight-line sidewall shape) substantially at the bearing surface and a second shape (e.g., a multi-segment sidewall shape or a curved sidewall shape) between the bearing surface and the rear end.

Abstract: A load-sensitive multi-path valve testing device and a testing method are disclosed. The testing device includes the first, second, and ninth pressure sensors; an oil outlet of an electronically controlled variable displacement pump is connected to the P port of the load-sensitive multi-path valve; a first proportional relief valve and a first flow sensor are connected on the oil supply pipeline; control oil ports of each commutation linkage are respectively connected to a control oil source; two working oil ports of each commutation linkage are respectively connected to an oil tank; flow sensors and pressure sensors are arranged on two working oil ports. The testing method includes: using the device for pressure loss test; using the device for micro-motion characteristic test and using the device for flow saturation resistant characteristic test. The device can simultaneously meet the test requirements of pressure loss, micro-motion characteristic and flow saturation resistant characteristic.

Abstract: A multiphase power supply includes several constant ON-time (COT) DC-DC converter integrated circuits (ICs), with each COT DC-DC converter IC providing an output voltage of a phase of the multiphase power supply. The COT DC-DC converter ICs are sequentially turned ON one after another in interleaved fashion. A COT DC-DC converter IC receives a control signal at a take pin and, in response, turns ON its output switch. The COT DC-DC converter IC generates another control signal at a pass pin. The next COT DC-DC converter IC turns ON its output switch in response to receiving the other control signal from the previous COT DC-DC converter IC.

Abstract: An anthraquinone compound is provided. The anthraquinone compound has the following formula (I): wherein one of R1, R2, and R3 is —NH—(CH2)m—CH3, and the other two are each independently selected from hydrogen or C1-4 alkyl group; and n and m are each independently an integer from 4 to 17.

Abstract: The disclosed technology includes a storage device including an interlaced magnetic recording (IMR) system, and a transducer head, including two writers, each writer including a write pole, wherein a width of a first write pole in a cross-track direction is substantially greater than a width of a second write pole in the cross-track direction, and wherein a down-track width of a front shield gap of the first write pole is substantially similar to down-track width of a front shield gap of the second write pole. In another implementation, the storage device includes an IMR system, and a transducer head, including two writers, each writer including a write pole, wherein a width of the first write pole in a cross-track direction is substantially greater than a width of a second write pole in a cross-track direction, and wherein a cross-track width of a side shield gap of the first write pole is substantially similar to a cross-track width of a side shield gap of the second write pole.

Abstract: A wire bonding apparatus comprises an ultrasonic transducer including a capillary, a flexible connecting frame having a first side to which the ultrasonic transducer is connected and at least one electrically-driven actuator which is connected to a second side of the flexible connecting frame that is opposite to the first side thereof, the actuator having a longitudinal actuation direction. An elongated slit located in the flexible connecting frame extends substantially transversely to the actuation direction of the at least one actuator to form at least one pivot point adjacent to an end of the slit about which the flexible connecting frame is rotatable when it is driven by the at least one actuator.

Abstract: Aspects of the disclosure relate to improved methods and systems for active surveillance of subject having non-aggressive prostate cancer.

Abstract: Aspects of the disclosure relate to improved methods and systems for active surveillance of subject having non-aggressive prostate cancer.

Abstract: A multiphase power supply includes several constant ON-time (COT) DC-DC converter integrated circuits (ICs), with each COT DC-DC converter IC providing an output voltage of a phase of the multiphase power supply. The COT DC-DC converter ICs are sequentially turned ON one after another in interleaved fashion. A COT DC-DC converter IC receives a control signal at a take pin and, in response, turns ON its output switch. The COT DC-DC converter IC generates another control signal at a pass pin. The next COT DC-DC converter IC turns ON its output switch in response to receiving the other control signal from the previous COT DC-DC converter IC.

Abstract: A voltage regulator with hybrid adaptive voltage position includes a resistor, a controllable current source, a current DAC and an error amplifier. The resistor has a first terminal coupled to the output voltage of the voltage regulator and a second terminal. The controllable current source is coupled to the second terminal of the resistor to provide a main current proportional to the output current of the voltage regulator. The current DAC is configured to receive a digital signal and the output current, and provide a tuning current to the second terminal of the resistor based on the digital signal and the output current. The error amplifier generates a compensation signal based on a reference voltage and the voltage at the second terminal of the resistor, so as to adjust the output voltage of the voltage regulator.

Abstract: A voltage regulator with hybrid adaptive voltage position includes a resistor, a controllable current source, a current DAC and an error amplifier. The resistor has a first terminal coupled to the output voltage of the voltage regulator and a second terminal. The controllable current source is coupled to the second terminal of the resistor to provide a main current proportional to the output current of the voltage regulator. The current DAC is configured to receive a digital signal and the output current, and provide a tuning current to the second terminal of the resistor based on the digital signal and the output current. The error amplifier generates a compensation signal based on a reference voltage and the voltage at the second terminal of the resistor, so as to adjust the output voltage of the voltage regulator.

Abstract: The present application relates to a write gap structure for a magnetic recording head. In illustrated embodiments, the write gap structure includes multiple write gap segments along a beveled pole tip surface between a top edge and a bottom edge of the beveled pole tip surface to provide a narrow write gap proximate to the air bearing surface and a larger write gap behind the air bearing surface. In illustrated embodiments, the narrow write gap segment is formed between the beveled pole tip surface and a lower back surface of front shield and the larger write gap is formed between the beveled pole tip surface and an upper back surface of the front shield.

Abstract: A wire bonding apparatus comprises an ultrasonic transducer including a capillary, a flexible connecting frame having a first side to which the ultrasonic transducer is connected and at least one electrically-driven actuator which is connected to a second side of the flexible connecting frame that is opposite to the first side thereof, the actuator having a longitudinal actuation direction. An elongated slit located in the flexible connecting frame extends substantially transversely to the actuation direction of the at least one actuator to form at least one pivot point adjacent to an end of the slit about which the flexible connecting frame is rotatable when it is driven by the at least one actuator.

Abstract: A double coated negative-working dry-film photoresist in the application of printed circuit board is discussed wherein the dry film contains flexible carrier film, flexible cover film, photopolymerizable composition layer, and intermediate protective layer. The character is as following: the intermediate protective layer is between flexible carrier film and photopolymerizable composition layer, transparent, colorless, soluble in the developer solution of photopolymerizable composition, adhesion between both photopolymerizable composition layer and flexible carrier film, but the adhesion with the photopolymerizable composition layer is larger than that with the flexible carrier film. The intermediate protective layer is polyvinyl alcohol (PVA) or carboxyl-containing polymers. Photopolymerizable compositions contain polymeric binder, free-radical photoinitiator, addition-polymerizable monomer, thermo-polymerization inhibitor.

Abstract: The present application relates to a write gap structure for a magnetic recording head. In illustrated embodiments, the write gap structure includes multiple write gap segments along a beveled pole tip surface between a top edge and a bottom edge of the beveled pole tip surface to provide a narrow write gap proximate to the air bearing surface and a larger write gap behind the air bearing surface. In illustrated embodiments, the narrow write gap segment is formed between the beveled pole tip surface and a lower back surface of front shield and the larger write gap is formed between the beveled pole tip surface and an upper back surface of the front shield.

Abstract: An adhesively sealed product is disclosed comprising a first surface, a second surface, and an adhesive layer bonding said first surface to said second surface; said adhesive layer comprising a copolymer and a protective colloid, the copolymer being derived from monomers including one or more a C1 to C20 alkyl(meth)acrylates and having a glass transition temperature (Tg) of from ?40° C. to 0° C. using differential scanning calorimetry (DSC), wherein opening the product by separating the first surface from the second surface results in adhesive failure of the adhesive layer thereby resulting in a reclosure adhesion of less than 0.5 N/15 mm. A method of producing an adhesively sealed product is also disclosed.

Abstract: A switch-mode voltage converter has a switching transistor coupled between an input voltage (Vin) and the ground and a controller coupled directly between the input voltage (Vin) and the ground. The controller periodically turns on the switching transistor for a generally constant period of time. The controller is further coupled to a DC bias voltage (Vbias) and generates a control current based on the input voltage (Vin) and the DC bias voltage (Vbias) for generating a switching signal to the switching transistor.

Abstract: A system for actuating an engine valve is disclosed. The system may include a rocker shaft having a hydraulic fluid supply circuit extending through the rocker shaft to a port on the outer surface of the rocker shaft and a solenoid valve adapted to selectively supply hydraulic fluid to the rocker shaft hydraulic fluid supply circuit. The rocker shaft may be supported by one or more rocker shaft pedestals. A lost motion housing may be incorporated into a rocker shaft pedestal and disposed about the rocker shaft. The lost motion housing may have an actuator piston assembly and a control valve assembly connected by an internal hydraulic circuit. The lost motion housing may be secured in a fixed position relative to the rocker shaft. External hydraulic fluid tubing may be provided between the solenoid valve and the control valve in the form of jumper tubes extending between adjacent rocker shafts or in the form of external hydraulic fluid tubes extending from control valve to control valve.

Abstract: The present invention discloses a SMPS. The SMPS comprises an output port, configured to supply a load; a control signal generator, having an input and an output configured to provide a first control signal; a first switch configured to receive the first control signal and regulate the voltage at the output port; and a ramp signal generator, comprising an input and an output, wherein the input is configured to receive the control signal and the output is configured to provide a current signal simulating an output signal at the output port, and wherein the output of the ramp signal generator is further coupled to the input of the means for generating control signal.