The size objects of nanotechnology research are generally between 1 and 100 nanometers, because in this scale range, substances exhibit some special physical and chemical properties, which can be used to create materials and devices with new properties. Specifically, the current size of ordinary nanochips is usually around 10 to 20 nanometers, while the size of the most advanced nanochips has been reduced to less than 1 nanometer.
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The above information is for reference only, it is recommended to consult books on nanotechnology or consult experts in the field for more comprehensive and accurate information.