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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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1. Phase change memory technologyRob 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 materialsCell switching RESET
16. 16
17. 17 Phase-change materialsCell switching SET
18. 18
19. 19 Process integration PC cells embedded in a standard CMOS process
20. 20 Sensing window in SET/RESET resistance2 kb memory sub-sector
21. 21
22. 22
23. 23
24. 24 Positioning of amorphous spot. Thomson Effect
25. 25