Flexible electronics have been extensively investigated in
hopes of realizing system-on-plastic (SoP) applications as the nextgeneration technology
in various areas, ranging from consumer electronics to bio-integrated medical
devices. Flexible memory in particular is regarded as an integral component for
SoP applications because of its crucial role in data processing, storage, and communications
with external devices. A number of research groups have explored a variety of
organicbased flexible memories including fl ash memory, ferroelectric memory, and
resistive memory, directly fabricated at relatively low temperature on flexible
substrates using spin-coating, roll-to-roll, and other processes.