Optical character recognition (OCR) is a technology that is used to convert printed or handwritten text into machine-readable text. OCR software and systems are designed to recognize and extract characters, words, and text from images, scanned...

1. The direct storage of data as bits in memory using optical systems and properties. The memory makes use of a laser beam...

Term for the brightness of an oscilloscope trace.

A photomask, also known simply as a mask or reticle, is a key component in the photolithography process used in...

The storage of information via optical means, primarily employing a low-power laser to inscribe data on a photosensitive...

A GRIN (gradient index) lens is a type of optical lens that utilizes a gradient in refractive index across its volume rather...

Data or encoded information capable of being eradicated, leaving the media free for rewriting. Also called reversible.

A write-once optical disc storage system in which the optical head reads continuously while writing to check the accuracy of...

A graphic reproduction of an object formed by a microscope or another optical system. Also an instrument used to make tiny...

An electron-beam lithography (EBL) system is a sophisticated nanofabrication tool used in the semiconductor industry and...

The application of reversible writing with a laser beam on particular storage materials. In one method, an amorphous film is...

An interferometric technique for the generation of precision gratings that allows for sequential exposure of small segments...

A projector used to project transparencies. A horizontal 8 x 10-in. stage for writing or laying down preformed...

Ink used for writing on glass, and also for blackening the edges of lenses to prevent reflection. In the latter case, the...

A blue diode laser is a type of semiconductor laser that emits light in the blue wavelength range of the electromagnetic...

The hardware for reading (and writing in devices so equipped) an optical mass data storage disk.