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Phase change memory technology Rob Wolters

2. Contents. IntroductionPhase change materialsMemory cell conceptsSwitchingEnduranceRetentionPerspective. 3. . . . Programming and erasing the floating gate. Floating gate. . Control gate. High voltageThick" gate oxideDouble poly. 4. Introduction (present NVM). 5. Optical storage: CD, DVD and Blu-ray disc .

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Phase change memory technology Rob Wolters

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    1. Phase change memory technology Rob Wolters

    2. 2 Contents Introduction Phase change materials Memory cell concepts Switching Endurance Retention Perspective

    3. 3 Programming and erasing the floating gate

    4. 4 Introduction (present NVM)

    5. 5 Optical storage: CD, DVD and Blu-ray disc

    6. 6 Optical storage: Blu-Ray DVD-RW

    7. 7 Phase change materials

    8. 8 What is the PC RAM challenge:

    9. 9 PC RAM principle

    10. 10 Phase change technology: Ovonyx cell (Ovshinsky in 1966)

    11. 11 Cell concepts Megabit demonstrators by Intel, STM, Samsung ? Ovonyx concept

    12. 12

    13. 13

    14. 14 Single cell data for fast-growth material

    15. 15 Phase-change materials Cell switching RESET

    16. 16

    17. 17 Phase-change materials Cell switching SET

    18. 18

    19. 19 Process integration PC cells embedded in a standard CMOS process

    20. 20 Sensing window in SET/RESET resistance 2 kb memory sub-sector

    21. 21

    22. 22

    23. 23

    24. 24 Positioning of amorphous spot. Thomson Effect

    25. 25

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