Abstract: A method of applying a dielectric coating on a structure array of a component of an electrical device includes applying a first layer of a first dielectric material on a structure array with an atomic layer deposition (ALD) process or a spin-on cladding process. The structure array has a plurality of features. The method may include applying a second layer of a second dielectric material on the first layer with an evaporation deposition process, a physical vapor deposition process (PVD), or a flux-controlled chemical vapor deposition (CVD) process. The first layer has a first thickness and the second layer has a second thickness that is greater than the first thickness.

Abstract: The present disclosure relates to a laser diode system. The system may have at least one laser diode emitter having a substrate, at least one laser diode supported on the substrate, and a facet which a laser beam generated by the laser diode is emitted. A cooling subsystem is included which is disposed in contact with the substrate of the laser diode emitter. The cooling subsystem includes a plurality of cooling fins forming a plurality of elongated channels for circulating a cooling fluid therethrough to cool the laser diode emitter. The cooling fluid also flows over the facet of the laser diode emitter.

Abstract: This provides an improved process for making a flexible, porous, dissolvable solid sheet article with improved pore structures.

Abstract: A fuel electrode incorporates a first and second corrugated portion that are attached to each other at offset angles respect to their corrugation axis and therefore reinforce each other. A first corrugated portion may extend orthogonally with respect to a second corrugated portion. The first and second corrugated portions may be formed from metal wire and may therefore have a very high volumetric void fraction and a high surface area to volume ratio (sa/vol). In addition, the strands of the wire may be selected to enable high conductivity to the current collectors while maximizing the sa/vol. In addition, the shape of the corrugation, including the period distance, amplitude and geometry may be selected with respect to the stiffness requirements and electrochemical cell application factors. The first and second corrugated portions may be calendared or crushed to reduce thickness of the fuel electrode.

Abstract: An example system includes a fluid end having a block, a fluid inlet formed in the block, and a fluid outlet formed in the block. The system also includes an intake manifold fluidly coupled to the fluid inlet, and a fluid conduit fluidly coupled to the fluid outlet and the intake manifold. The system further includes a valve fluidly coupled to the fluid conduit, the valve configured to control fluid flow through the fluid conduit, an actuator coupled to the valve and configured to position the valve in an open position or a closed position, and a controller communicatively coupled to the actuator and configured to send one or more signals to the actuator, causing the actuator to position the valve in the open position or the closed position.

Abstract: A pinion shaft assembly for operation in a power end of a reciprocating pump includes a tubular member coupled to first pinion gear member via an interference coupling extension, possibly having a protruding alignment key operable to engage a slot formed on an inner wall of the first end of the tubular member to ensure correct rotational orientation of the first pinion gear member and the tubular member and to help prevent rotation of the first pinion gear member relative to the tubular member. The tubular member is also coupled to a second pinion gear member via an interference coupling extension, possibly having a protruding alignment key operable to engage a slot formed on an inner wall of the second end of the tubular member to ensure correct rotational orientation of the second pinion gear member and the tubular member and to help prevent rotation of the second pinion gear member relative to the tubular member.

Abstract: A memory device comprising a memory cell comprising a storage element including a phase change memory; and a bilayer formed on a first side and a second side of the memory cell, the bilayer including an inner layer comprising a first nitride and an outer layer comprising a second nitride.

Abstract: Techniques for semiconductor devices including amorphous silicon are disclosed. In the illustrative embodiment, trenches are etched through several layers of a memory during manufacture, including through a phase-change layer. To protect the phase-change layer during further processing steps, amorphous silicon is applied to the phase-change layer using low-temperature chemical vapor deposition, which can be done without exceeding the melting point of the phase-change layer. The amorphous silicon can be oxidized, forming a protective silicon oxide layer around the phase-change layer.

Abstract: In some implementations, a controller may determine, in connection with a constant speed operation of an engine operable by spark ignition of a gaseous fuel, that a transient event associated with the engine is to occur, the transient event to cause a shift from a first gear to a second gear of a transmission coupled to the engine, where the shift from the first gear to the second gear is to increase a primary load associated with the engine. The controller may cause, prior to the shift from the first gear to the second gear, increasing of an auxiliary load associated with the engine. The controller may cause, during the shift from the first gear to the second gear, decreasing of the auxiliary load.

Abstract: An example system includes a fluid end having a block, a fluid inlet formed in the block, and a fluid outlet formed in the block. The system also includes an intake manifold fluidly coupled to the fluid inlet, and a fluid conduit fluidly coupled to the fluid outlet and the intake manifold. The system further includes a valve fluidly coupled to the fluid conduit, the valve configured to control fluid flow through the fluid conduit, an actuator coupled to the valve and configured to position the valve in an open position or a closed position, and a controller communicatively coupled to the actuator and configured to send one or more signals to the actuator, causing the actuator to position the valve in the open position or the closed position.

Abstract: A dissolvable solid article that formed by a homogeneous mixture. The mixture includes from about 10% to about 50% of a water soluble polymer, from about 5% to about 80% of a surfactant; and from about 0.1% to about 40%, of a silicone. The silicone can have a particle size of from about 50 nm to about 25 micron. The silicone can have the article contains up to 0.2% nitrogen coming from the silicone.

Abstract: Superabsorbent polymers are made of copolymers including a major portion of low molecular weight monomers each individually including a backbone and a charged moiety, a minor portion of high molecular weight monomers each individually including a backbone and a charged moiety, and optionally a crosslinker. The copolymer-based superabsorbent polymers have significantly improved absorbency under load.

Abstract: A controller that is associated with a pump system causes a power ramp rate of a motor of the pump system to have an initial power ramp rate. The controller monitors, after causing the power ramp rate of the motor to have the initial power ramp rate, a frequency of a power bus. One or more power sources provide power to the pump system via the power bus. The controller causes, based on monitoring the frequency of the power bus, the power ramp rate of the motor to be modified.

Abstract: In some implementations, a powertrain for powering a fluid pump may include a power source configured to rotate a first drive shaft at an approximately constant speed. The powertrain may include a mechanical transmission. The mechanical transmission may include one or more gearboxes associated with a set of fixed gear ratios, a second drive shaft coupled to the first drive shaft, and a third drive shaft coupled to an input drive shaft of the fluid pump and configured to rotate the input drive shaft at variable speeds or with variable torque based on using different gear ratios from the set of fixed gear ratios. The powertrain may include a torque converter disposed between the first drive shaft and the second drive shaft to enable the first drive shaft to be coupled to the second drive shaft.

Abstract: In some implementations, a controller may obtain a setting for a target discharge pressure associated with a fluid pump driven by a motor that is controlled by a variable frequency drive (VFD). The target discharge pressure may be for use in a pressure test of a system that includes the fluid pump. The controller may determine a target torque for the motor that achieves the target discharge pressure. The controller may cause, via the VFD and in connection with the pressure test, adjustment to a speed of the motor to achieve the target torque for the motor.

Abstract: In some implementations, a controller may monitor, during a ramp up period of a fluid pump driven by a motor that is controlled by a variable frequency drive (VFD), an intake pressure of the fluid pump and a discharge pressure of the fluid pump. The controller may detect, based on monitoring the intake pressure and the discharge pressure, whether the intake pressure satisfies an intake pressure threshold or the discharge pressure satisfies a discharge pressure threshold. The controller may cause, via the VFD, reduction of a torque of the motor based on the intake pressure satisfying the intake pressure threshold or the discharge pressure satisfying the discharge pressure threshold.

Abstract: Disclosed is a refillable product that includes a container containing two or more first dissolvable solid articles. The solid articles are characterized by a maximum dimension D and a minimum dimension z. The maximum dimension for D ranges from 1 mm to 300 mm and the minimum dimension for z ranges from 0.5 mm to 150 mm. The ratio between D and z ranges from 1:1 to 300:1. The refillable product also includes indicia for a user to put the dissolvable solid articles and a liquid carrier into another container. This product can provide an environment friendly product. For example, by not containing any liquid during transportation, the product can reduce energy consumption during the transportation.

Abstract: In some implementations, a controller may monitor an available power supply of at least one power source for a system for hydraulic fracturing, and a current power demand of the system. The controller may determine, based on monitoring the available power supply and the current power demand, whether a relationship between the current power demand and the available power supply is indicative of an impending power failure. The controller may cause, based on determining that the relationship between the current power demand and the available power supply indicates the impending power failure, reduction of flow rates of one or more fluid pumps of the system to reduce the current power demand.

Abstract: A pinion shaft assembly for operation in a power end of a reciprocating pump includes a tubular member coupled to first pinion gear member via an interference coupling extension, possibly having a protruding alignment key operable to engage a slot formed on an inner wall of the first end of the tubular member to ensure correct rotational orientation of the first pinion gear member and the tubular member and to help prevent rotation of the first pinion gear member relative to the tubular member. The tubular member is also coupled to a second pinion gear member via an interference coupling extension, possibly having a protruding alignment key operable to engage a slot formed on an inner wall of the second end of the tubular member to ensure correct rotational orientation of the second pinion gear member and the tubular member and to help prevent rotation of the second pinion gear member relative to the tubular member.

Abstract: A fluid end includes a block, a suction bore formed in the block and having a suction valve disposed within the suction bore, and a discharge bore formed in the block and having a discharge valve disposed within the discharge bore. The fluid end also includes a plunger bore formed in the block and having a plunger disposed therein, the plunger moveable in a first direction and a second direction opposite the first direction such that the plunger draws fluid through the suction valve when the plunger moves in the first direction and forces fluid through the discharge valve when the plunger moves in a second direction. The fluid end further includes a seal pack configured to maintain sealing contact with the plunger as the plunger moves in the first direction or the second direction and a coating applied to the block between the seal pack and the block.