Information recording medium including antimony-selenium compounds
Data storage device having novel barrier players encapsulating the data storage medium
Grooved optical data storage device including a chalcogenide memory layer
Erasure means and data storage system incorporating improved erasure means Patent #: 4744055
ApplicationNo. 064645 filed on 06/22/1987
US Classes:365/113, Amorphous346/135.1, Laminated, impregnated, or coated bases365/163, Amorphous (electrical)365/215, Optical369/286, Laminated or unified discrete layers430/270.11, Optical recording nonstructural layered product having a radiation sensitive composition layer claimed or solely disclosed as optically reorderable and optically machine readable430/270.13, Which changes phase during recording430/945LASER BEAM
ExaminersPrimary: Hecker, Stuart N.
Assistant: Gossage, Glenn
Attorney, Agent or Firm
International ClassesG11C 013/00
AbstractDisclosed is an optical data storage device having a reversible, phase change data storage medium formed of (Sb2 Te3)1-x (Sb2 Se3)x, where x is from 0.18 to 0.43.
Field of SearchAmorphous
Laminated, impregnated, or coated bases
Special groove (e.g., particular groove shape)
Layered (e.g., permanent protective layer)
Laminated or unified discrete layers