amorphous solid antimony bae systems binary numeral system bipolar junction transistor bubble memory cd-rw chalcogenide chalcogenide glass charge pump crystal crystallization ddr sdram dvd-rw delay line memory diode drum memory dynamic random access memory eeprom eprom electrical resistance electron ferroelectric ram flash memory gesbte germanium gordon moore hynix intel developer forum latchup lithography mosfet magnetic core memory magnetoresistive random access memory melting point nano-ram non-volatile memory plated wire memory printed circuit board programmable metallization cell programmable read-only memory qimonda racetrack memory read-only memory reflow soldering refractive index resistive random-access memory resistivity restriction of hazardous substances directive sonos stmicroelectronics selectron tube static random access memory tellurium threshold voltage twin transistor ram twistor memory volatile memory wave soldering williams tube z-ram