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  • Keithley Offers Computer Seminar
Mar 2010
CLEVLAND, March 19, 2010 — Keithley Instruments Inc., specializing in advanced electrical test instruments and systems, is sponsoring a free Web-based seminar given by applications engineer Alex Pronin titled "Phase Change Memory - Fundamentals and Measurement Techniques."

This one-hour class, which is recommended primarily for test engineers who are inexperienced with parameter random access memory (PRAM), provides basic information on its physics and operation.

PRAM uses the unique behavior of chalcogenide glass, which can be switched between two states, crystalline and amorphous, with the application of heat. Recent versions can achieve two additional distinct states, effectively doubling storage capacity. Common characterization and measurement techniques are described and compared. To view this presentation, visit

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The disordered, glassy solid state of a substance, as distinguished from the highly ordered crystalline solid state. Amorphous and crystalline phases of the same substance differ widely in optical and electrical properties.
chalcogenide glass
An infrared-transmitting material used in optical fibers for applications in the wavelength region from 2 to 11 µm.
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