Abstract: A wafer electroplating system has at least one first electroplating chamber having a first electrolyte containing cobalt ions, and is adapted to electroplate a cobalt film onto a wafer at a first deposition rate. A second electroplating chamber has a second electrolyte containing cobalt ions, and is adapted to electroplate a cobalt film onto the wafer at a second deposition rate faster than the first deposition rate. The first and second electroplating chambers are within an enclosure of a processing system. A robot moves a wafer among the first and second electroplating chambers.

Abstract: The present invention relates to a produce container which includes lid and a receptacle associated with the lid. The receptacle has four wall portions and a base. Each wall portion is connected to the base by a transition portion with one or more elongate apertures. The or each elongate aperture is configured and orientated such that its length is parallel to a longitudinal length of the transition portion in which the or each aperture is located.

Abstract: Provided are circuits and methods for a digital controller for an electronic ballast for a fluorescent lamp, comprising a feed-forward loop that provides information about a voltage firing angle, and a pulse width modulator that controls a duty ratio of at least one power switch of the electronic ballast according to the information. The digital controller may include a duty ratio controller implemented in the pulse width modulator. The digital controller may include one or more functions such as dimming, maintaining high power factor throughout the dimming range, low lamp power detection, lamp soft-start, and DC-link capacitor over-voltage detection for end of life protection or lamp failure protection. In one embodiment the ballast is a single stage, single switch ballast.

Abstract: The present invention relates to a dual compartment produce container with a mouth circumscribed by a rim. The container includes first and second receptacles and a lid. The first receptacle is partially defined by a first wall. The second receptacle is partially defined a second wall. The lid is associated with the container to close off the mouth. The first and second walls are located opposite each other and joined at one end forming a barrier between the first and second receptacles.

Abstract: A produce container includes a receptacle, a lid and a hinge. The receptacle includes a mouth circumscribed by a rim and a base having an edge. The lid is associated with the receptacle to close off the month. The hinge attaches the lid to the receptacle and is located towards or at the rear of the receptacle. The edge is configured to cooperate with the hinge so as to facilitate disposition of the produce container in an erect position.

Abstract: A wafer electroplating system has at least one first electroplating chamber having a first electrolyte containing cobalt ions, and is adapted to electroplate a cobalt film onto a wafer at a first deposition rate. A second electroplating chamber has a second electrolyte containing cobalt ions, and is adapted to electroplate a cobalt film onto the wafer at a second deposition rate faster than the first deposition rate. The first and second electroplating chambers are within an enclosure of a processing system. A robot moves a wafer among the first and second electroplating chambers.

Abstract: A driver circuit for use with LED lamps. The driver circuit uses a rectifier, a power factor correction subcircuit, a voltage conversion subcircuit, and a semiconductor switch. The power factor correction subcircuit uses a film capacitor instead of an electrolytic capacitor. As well, the power factor correction subcircuit uses either an inductor or a transformer to shape the incoming current to a substantially sinusoidal waveform that is in phase with the input AC current. The semiconductor switch provides a high frequency pulsating triangular current at the output of the rectifier.

Abstract: The present invention relates to a dual compartment produce container with a mouth circumscribed by a rim. The container includes first and second receptacles and a lid. The first receptacle is partially defined by a first wall. The second receptacle is partially defined a second wall. The lid is associated with the container to close off the mouth. The first and second walls are located opposite each other and joined at one end forming a barrier between the first and second receptacles.

Abstract: A device for processing graphics data may include a plurality of graphics processing units. The device may include a fan to dissipate thermal energy generated during the operation of the plurality of graphics processing units. Each of the plurality of graphics processing units may generate a pulse width modulated signal to control the speed of the fan. The device may include one or more monitoring units configured to monitor a signal controlling the speed of the fan. One or more of the plurality of pulse width modulated signals may be adjusted based on the monitored signal. One or more of the plurality of pulse width modulated signals may be adjusted such that a signal controlling the fan maintains a desired duty cycle.

Abstract: The present invention relates to a produce container which includes lid and a receptacle associated with the lid. The receptacle has four wall portions and a base. Each wall portion is connected to the base by a transition portion with one or more elongate apertures. The or each elongate aperture is configured and orientated such that its length is parallel to a longitudinal length of the transition portion in which the or each aperture is located.

Abstract: The present invention relates to a produce container including a receptacle, a lid and a hinge. The receptacle defines a mouth circumscribed by a rim which has a first, outwardly extending flange. The lid is associated with the receptacle to close off the mouth. The lid has a second, outwardly extending flange. The second flange is adapted to correspond to the first flange when the lid is positioned on the receptacle to close off the mouth. The lid has a raised quadrilateral platform with two front and two rear corners. The hinge attaches the lid to the receptacle and is located along a rear side of the container. Each of the two front corners includes an indent.

Abstract: Provided are circuits and methods for a digital controller for an electronic ballast for a fluorescent lamp, comprising a feed-forward loop that provides information about a voltage firing angle, and a pulse width modulator that controls a duty ratio of at least one power switch of the electronic ballast according to the information. The digital controller may include a duty ratio controller implemented in the pulse width modulator. The digital controller may include one or more functions such as dimming, maintaining high power factor throughout the dimming range, low lamp power detection, lamp soft-start, and DC-link capacitor over-voltage detection for end of life protection or lamp failure protection. In one embodiment the ballast is a single stage, single switch ballast.

Abstract: A device for processing graphics data may include a plurality of graphics processing units. The device may include a fan to dissipate thermal energy generated during the operation of the plurality of graphics processing units. Each of the plurality of graphics processing units may generate a pulse width modulated signal to control the speed of the fan. The device may include one or more monitoring units configured to monitor a signal controlling the speed of the fan. One or more of the plurality of pulse width modulated signals may be adjusted based on the monitored signal. One or more of the plurality of pulse width modulated signals may be adjusted such that a signal controlling the fan maintains a desired duty cycle.

Abstract: An embodiment of the present invention relates to a produce container which includes a receptacle and a lid. The receptacle has a base and a wall defining a mouth. The base includes a first engaging portion and a lid adapted to close off the mouth. The lid has a top having a second engaging portion adapted to cooperate with the first engaging portion of another identical produce container so as to facilitate interlocking of the container with the other identical container.

Abstract: A buffer amplifier with unity voltage gain, high input impedance, high speed, high current gain, high output power and low offset includes three stages and a DC servo circuit. The first stage of the buffer amplifier contains complementary N-channel and P-channel MOSFET source followers that provide high input impedance to buffer the input signal source. A feedback DC servo signal is provided to correct the subsequent stages so as to maintain the output at virtual DC ground level. The second stage is a driver stage that also contains complementary N-channel and P-channel MOSFET source followers to provide sufficient current to drive the output stage. The last stage is an output stage that contains at least one pair of complementary power MOSFETs or BJTs to deliver high currents to a load.

Abstract: A driver circuit for use with LED lamps. The driver circuit uses a rectifier, a power factor correction subcircuit, a voltage conversion subcircuit, and a semiconductor switch. The power factor correction subcircuit uses a film capacitor instead of an electrolytic capacitor. As well, the power factor correction subcircuit uses either an inductor or a transformer to shape the incoming current to a substantially sinusoidal waveform that is in phase with the input AC current. The semiconductor switch provides a high frequency pulsating triangular current at the output of the rectifier.

Abstract: Provided are circuits and methods for a digital controller for an electronic ballast for a fluorescent lamp, comprising a feed-forward loop that provides information about a voltage firing angle, and a pulse width modulator that controls a duty ratio of at least one power switch of the electronic ballast according to the information. The digital controller may include a duty ratio controller implemented in the pulse width modulator. The digital controller may include one or more functions such as dimming, maintaining high power factor throughout the dimming range, low lamp power detection, lamp soft-start, and DC-link capacitor over-voltage detection for end of life protection or lamp failure protection. In one embodiment the ballast is a single stage, single switch ballast.

Abstract: This invention provides an integrated power supply for a controller of an electronic ballast for a fluorescent lamp. The integrated power supply couples output power from the electronic ballast and uses the coupled power to provide power to the controller. In one embodiment, the electronic ballast may include a rectifier for converting an alternating current input voltage into a direct current output voltage, and a circuit including a combined power factor correction (PFC) stage and an inverter, wherein the PFC stage and the inverter share a switch. Also provided is a controller for an electronic ballast. The controller may include a voltage mode or current mode duty ratio controller that controls a duty ratio of a switch of the ballast. The controller and the ballast allow dimming of the fluorescent lamp while maintaining a high power factor.

Abstract: A system, method, and computer program product are provided for single wire voltage control of a voltage controller. A voltage controller is included and is in communication with a device, A single wire is connected between the voltage controller and the device for use by the device in controlling an output voltage of the voltage controller.

Abstract: A buffer amplifier with unity voltage gain, high input impedance, high speed, high current gain, high output power and low offset includes three stages and a DC servo circuit. The first stage of the buffer amplifier contains complementary N-channel and P-channel MOSFET source followers that provide high input impedance to buffer the input signal source. A feedback DC servo signal is provided to correct the subsequent stages so as to maintain the output at virtual DC ground level. The second stage is a driver stage that also contains complementary N-channel and P-channel MOSFET source followers to provide sufficient current to drive the output stage. The last stage is an output stage that contains at least one pair of complementary power MOSFETs or BJTs to deliver high currents to a load.