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Phase Change Memory Device with U-shaped Heater (PCM-U)
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- Authors
- Young Sam Park, Kyu Jeong Choi, Nam Yeal Lee, Sung Min Yoon, Seung Yun Lee, Sang Ouk Ryu, Byoung Gon Yu
- Issue Date
- 2006-05
- Citation
- European Phase Change and Ovonic Symposium (EPCOS) 2006, pp.1-4
- Language
- English
- Type
- Conference Paper
- Abstract
- We have focused on the structural modification of heater and recently invented phase change memory device with Ushaped heater (PCM-U) device, to reduce the writing current. It is experimentally obtained that the PCM-U device has noticeably shorter SET operation time, shows 50% reduction of RESET current and shows 44% reduction of SET current, compared with the conventional device. This improvement is suggested to be due to the overlap of programmable volume.
- KSP Keywords
- Phase Change Material(PCM), U-shaped, Writing current, memory device, reset current, set operation, structural modification