 Method for fabricating resistors within semiconductor integrated circuit devices |
| In accordance with a preferred embodiment of the present invention, a resistor is fabricated by ... |
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| Power injector apparatus |
| As mentioned above, the main object of the present invention is to provide a power injector ... |
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| Integrated circuit having a void between adjacent conductive lines |
| The invention overcomes the disadvantages and difficulties of the prior art by introducing new ... |
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| Non-volatile memory utilizing a thin film, floating gate, amorphous transistor |
| What is claimed is: 1. A non-volatile memory comprising: data storing means comprising an amorphous,... |
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| Security unit for use in memory card |
| Accordingly, an object of the present invention is to provide a security unit that allows security ... |
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| Nonvolatile memory device |
| Accordingly, it is an object of the present invention to provide a programmable nonvolatile logic ... |
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| Device and method for pulse width control in a phase change memory device |
| The invention is directed to an approach to programming phase-change memory devices, such as ... |
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Method and apparatus for improved energy readout
| Details |
Inventors: Mitchell, Christopher R.; Smith, Jerel;
Assignee: Alara, Inc. (Fremont, CA)
Primary Examiner: Gagliardi; Albert
Assistant Examiner:
Attorney, Agent or Firm: Heller Ehrman LLP
Methods and device are provided for improved storage screen readout. In one embodiment, a storage screen readout device comprises a first wavelength source and a second wavelength source, means of collecting phosphorescence stimulated by the sources, and means of effecting relative motion between the sources and the screen in order to obtain image information. The first wavelength may be selected to pump signal on the screen to be more easily readout by said second wavelength source. The sources may direct energy sequentially onto the screen, simultaneously onto the screen, any combination of the two, or combinations with other sources. |
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DETAILED DESCRIPTION Accordingly, an object of the present invention is to provide systems that achieves better system DQE by more completely reading out the latent image from the storage phosphor plate or other image plates.
Another object of the present invention is to read out storage phosphor plates more quickly due to the greater efficiency of the readout.
Yet another object of the present invention is to reduce the power required to effectively readout storage phosphor plates.
At least some of these objects are achieved by some embodiments of the present invention.
In one embodiment of the present invention, a storage screen readout device comprises a pumping wavelength source and a readout wavelength source directed simultaneously at a given location on the screen.
The two wavelengths may optionally originate in two separate sources, such as but not limited to lasers, laser diodes, or light-emitting diodes (LEDs) and be optically combined into a single optical path using combinations of lenses, mirrors, fiber optics, light pipes and or other optical components.
Alternatively, the two sources may optionally be directed to a given location via independent paths.
The image data are obtained by scanning the sources across the image screen and collecting and interpreting the stimulated emission from the screen.
In another embodiment of the present invention, a storage screen readout device comprises a pumping wavelength source and a readout wavelength source, that originate substantially at the same point in space and are directed simultaneously to a given location on the screen.
As a nonlimiting example, such a multiple source might be provided by a multiple-wavelength laser or LED.
The image data is obtained by collecting and interpreting the stimulated emission that occurs when the sources impinge on the screen.
In another embodiment of the present invention, the pumping wavelength(s) and readout wavelength(s) may optionally originate either from separate or substantially identical positions, be directed to the same, or nearly the same location on the storage screen, using independent or combined paths, with the light from the two wavelengths being delivered to the screen consecutively (rather than simultaneously) or any combination of consecutively and simultaneously
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Active Solid-state 
