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For many years, plastic has been used as a good insulator, such as the insulating base plate of circuit board. However, now there are conductive plastics, which are regarded as the future of microelectronic devices or optoelectronic devices. The 2000 Nobel Prize in chemistry is awarded to scientists who have produced experimental machines throughout the country and used them by customers in this field

about 95% of polymers are used in electronic devices. Including the protective layer used for sensitive chips, the coating of circuit boards, molds, or adhesives for multilayer circuit boards, etc. Now, however, it has become a reality to use polymers as the basic components of electronic devices

two years ago, Fraunhofer microelectronic devices Association evaluated the market potential of polymers used in electronic devices in Germany, and introduced the new term "polytronics", becoming a leading role in this field. It is not a competitor of silicon technology, because the conductive polymer can only produce low-speed chips due to the limitation of load activity, and the speed is often only 1% of that of silicon-based chips

Dr. Kahn dientz, the Department Director of izm

polytronics system of NIH, described the future of this new product and said: "it is not to replace silicon chips, but to develop new uses side by side with silicon chips for thin, flexible or cheap circuit needs. What is more important is that for the first time, low-cost chips can be made with mass-produced transparent." That is to say, the semiconductor production mode that needs a clean environment, such as offset printing, gravure printing or ink-jet printing, is not used. Izm also introduced the "roll to roll" production method, that is, using a roll printer to print multi-layer coatings and structural layers on the film base of the roll film until it is finally formed (including sealing). The company started with silk screen printing as an experiment, and then, in July 2002, with the support of the Bavarian Asian government, established a reel to reel production center. It not only provides test bases for some medium-sized enterprises, but also provides bases for some equipment manufacturers to develop new systems

fraunhofer researchers' goal in the next stage is to develop an all polymer transponder (interrogator). The so-called interrogator has great potential for wireless identification system. At this time, the jaws should be replaced, such as logistics system, product identification, access or access control system, etc; Another example is the intelligent material yield strength label, which can replace the light scanning bar code identification for the automatic identification of the cash register. Around the polymer electronic devices, such as the fixture 1 of Instron, MTS, Zwick and other companies, it can be made into greeting cards, toys, chip cards or tickets with display function, packaging materials or special cloth, and even film card counters. New uses can be continuously developed

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