Data storage device having a phase change memory medium reversible by direct overwrite and method of direct overwrite
Patent
·
OSTI ID:6676062
This patent describes a method of storing data in individual memory cells of a data storage disc having a layer of non-ablative, reversible, phase change data storage medium between adjacent heat sink layers, the data storage medium. It comprises: a miscible telluride-selenide solid solution having a crystallization time of less than 1 microsecond and chosen from the group consisting of: arsenic telluride-arsenic selenide; antimony telluride-antimony selenide; bismuth telluride-bismuth selenide; and mixtures thereof.
- Assignee:
- Energy Conversion Devices, Inc., Troy, MI (USA)
- Patent Number(s):
- A; US 4924436
- Application Number:
- PPN: US 7-075502A
- OSTI ID:
- 6676062
- Country of Publication:
- United States
- Language:
- English
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