摘要:
A method of manufacturing an x-ray target by positioning an x-ray target having an alloy surface and a graphite surface in a sputtering chamber is disclosed. The x-ray target is then coated over the graphite surface with non-hydrogenated amorphous carbon.
摘要:
A method of manufacturing an x-ray target by positioning an x-ray target having an alloy surface and a graphite surface in a sputtering chamber. The x-ray target is then coated over the graphite surface with non-hydrogenated amorphous carbon.
摘要:
An apparatus and method for improving the performance of a vacuum coating system includes a vacuum chamber enclosing a track. The track is substantially rectangular having a top surface and a bottom surface. A pair of legs are attached to the bottom surface of the track and support the track within the vacuum chamber. The legs have a top edge engaging the bottom surface of the track and a bottom edge secured to a bottom section of the vacuum chamber. The legs extend longitudinally along the bottom surface of the track. A rail is mounted on the top surface of the track and extends along a longitudinal axis of the track. A substantially planar platter having a top face and a bottom face is supported on top of the rail. The platter is adapted to slide from side to side along the rail across the length of the track. A stage carrying an electron beam evaporator is mounted on the top face of the platter. As such, the electron beam evaporator slides with the platter across the length of the track. A linear substrate feed assembly is disposed above the stage for feeding a substrate through the vacuum chamber. As the substrate travels through the vacuum chamber, it is coated by a deposition material transmitted from the electron beam evaporator.
摘要:
A radio frequency magnetron device for generating radio frequency power includes a cathode at least partially formed from a diamond material. An anode is disposed concentrically around the cathode. An electron field is provided radially between the anode and the cathode. First and second oppositely charged pole pieces are operatively connected to the cathode for producing a magnetic field in a direction perpendicular to the electric field. A filament is provided within the electron tube which when heated produces primary electrons. Alternatively, a voltage is applied to the anode which causes primary electrons to emit from the diamond coated cathode. A portion of the primary electrons travel in a circular path and induce radio frequency power. Another portion of the primary electrons spiral back and collide with the cathode causing the emission of secondary electrons. The secondary electron emission sustains operation of the magnetron device once the device has been started.
摘要:
A method for manufacturing a free-standing solid diamond microchannel plate produces a base structure, including a silicon material, having a backing and a vertical extension. A chemical vapor deposition diamond material is deposited onto the backing. The diamond material is leveled with the vertical extension of the base structure. The silicon backing is removed from the leveled base structure.
摘要:
A reflective optical switch device includes a diamond-like carbon (DLC) heat sink layer disposed adjacent a reflective layer. In one embodiment, the reflective optical switch is a MEMS mirror having a substrate layer, a DLC heat sink layer, which is vapor deposited on the substrate layer, and a reflective layer deposited over the heat sink layer. In another embodiment, the optical switch device is a reflective LC-based switch having a first substrate, a DLC heat sink layer deposited over the first substrate, and an LC medium provided between a reflective electrode layer and a transmissive electrode layer. The DLC heat sink enables rapid dissipation and distribution of laser light induced heat away from the local target area of the reflective surface, thereby reducing deformation of the reflective surface and/or alteration of the optical properties within the local region to enhance performance.
摘要:
An elongated LED lighting arrangement comprises an elongated light pipe with homogeneous optical material between first and second ends. In an exemplary embodiment, an LED provides blue light to the light pipe via a first dichroic mirror tuned to pass blue light. Down-converting means on sidewall of the light pipe, tuned to receive blue light, absorbs blue light from the LED and to emit lower-energy light outside of the light pipe at respectively higher wavelengths. Light-extracting means on the sidewall extract from the light pipe some blue light without changing the wavelengths of the foregoing light. Light from the down-converting means and the light-extracting means are combined to provide a composite color. The first dichroic mirror receives some light emitted by the down-converting means and reflects back into the light pipe more than 80 percent of the light received by the mirror.
摘要:
Disclosed is a system for providing personalized energy usage feedback. The system comprises an arrangement to determine respective energy-usage of a specific person for each of a plurality of energy-consuming devices. The foregoing arrangement comprises power-usage sensors for the plurality of energy-consuming devices, an allocation arrangement for determining an estimated or measured allocation of power for each energy-consuming device that is attributable to the specific person, and an arrangement for determining the length of time of power usage that is attributable to the specific person. A feedback arrangement provides feedback to the specific person of all or a subset of the respective energy-usage attributable to that person.
摘要:
An LED lighting arrangement comprising at least one LED, for producing light is disclosed. A power supply provides power for the at least one LED. At least one control circuit is coupled to the at least one LED in a way that directly or indirectly uses, to power the at least one control circuit, one or more forward voltage drops across the at least one LED. Beneficially, one or more additional control circuits can be added without redesign of the power supply for the at least one LED.
摘要:
An LED lighting system, with first and second types of LEDs of different efficacies, has a reduced-power usage mode. A control system independently controls first and second control groups of first and second types of LEDs, respectively. The control system has one or more modes including a reduced-power usage mode for decreasing the overall power consumption of the lighting system while maintaining a light level of at least a predetermined percentage of the level present when the first control group of LEDs operates at a power level between less-than-full power and full power and the second control group is off. The predetermined percentage is 50. The control system decreases the overall power consumption of the lighting system in the reduced-power usage mode by turning off or dimming the first control group and turning on the second control group to at least some extent.