A non-volatile memory device.

摘要

As a memory medium, a liquid crystal composite or a composite including a liquid crystal component in one molecule is used. The memory medium is heated by a heat generating layer which is interposed by and heated by an upper electrode and a lower electrode, thereby changing a phase of the memory medium. Thus, data is written into the memory medium. A change in a property or a phase transition of the memory medium is electrically or optically detected, thereby reading the data from the memory medium.