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    1 : PLASTIC MEMORY Deepti palia MCA : 5th Sem User Id:YTS10385 Doon Valley Clg. Karnal 1
    2 : Introduction What Is Plastic Memory? Structure Of Plastic Memory How Plastic Memory Works? Read / write data Electronic Microscopic View Facts about Plastic Memory Applications Conclusion 2 Contents
    3 : Main Challenge in Computer Construction is the design of new memory chips with decreased size. A conducting plastic has been used to create a new memory that store mega bit of data in millimeter-square device. The beauty of the device is that it combine the best of silicon technology – diodes with the capability to form a fuse, which does not exist in silicon 3 Introduction
    4 : What is Plastic Memory It is a two-terminal device that can be written &erased repeatdly by voltage pulses of e.g. -4V & +4 V. It is a technique that store a megabit of data in a millisquare device. It is 10 times denser than current magnetic memories. Plastic Memory has the potential to become the next generation of storage media. 4
    5 : Structure Of Plastic Memory A two-terminal device in which an organic semiconducting polymer is sandwiched between two electrodes, indium doped tin oxide (ITO) and aluminum. The experimental devices contain two polymer layers. The first layer consist of PEDOT:PSS to which an inorganic salt (e.g. lithium triflate) and plasticizer (ethylene carbonate, EC) have been added. The second layer consists of poly(3-hexylthiophene) (P3HT) doped with the plasticizer. Motion of the ions present in the device under influence of an electric field is expected to induce switching between a high and a low conduction state, the so called ON and OFF state of a memory device. 5 Combines silicon technology - diodes - with the capability to form a fuse
    6 : Spin Electronic Structure It is a thin strip of dark blue organic-based magnet layered with a metallic ferromagnet and connected to two electrical leads. The data is recorded & retrived from it by controlling the spins of the electrons with a magnetic field. 6 It Uses Electron Spin to Read/Write Data
    7 : The device is a polymer that conducts low amounts of electricity, but if high amounts are applied it loses its ability to conduct forever. So the polymer is like a fuse. Too much voltage and it blows. 7 How It Works
    8 : How For reading To read the memory, they run current through the top wire and measure the current in the bottom wire. No current means the bit is a zero, and vice versa. For Writing To store the memory, it use the wires and the diode surrounding the PEDOT blob to run either a high or a low current through it. 8 Read / Write Data
    9 : 9 Electronic Microscopic View
    10 :  Plastic memory is fast. Lab-built devices with a 1GB storage capacity have yielded read/write cycle times that are 10 times faster than CompactFlash, which are typically 2-10MB/s read, 1-4MB/s write.  It requires far fewer transistors, typically only 0.5M (million) for 1GB of storage (!!) compared to silicon's 1.5-6.5B (billion).  10 Facts About Plastic Memory
    11 :  It has very low power consumption. The control circuitry only occupies 1-5% of total transistor area. It maintains memory even when the power is turned off. It costs about 5% as much to manufacture compared to silicon-based memory.  11 Facts About Plastic Memory
    12 : 12 Applications of Plastic Memory
    13 : It is 10 times denser than current magnetic memories. Store mega-bit of data in millimeter-square device. Data can’t be rewritten so suitable for permanent storage. It requires only few transistors. It cost about 5% as much to manufacture compared to silicon-based memory. Retain data without power. 13 Conclusion
    14 : 14 THANKYOU ANY QUERIES?

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