My understanding is that both nano and micro machining fall under ultra precision machining.
D. S. Bhagat 'The micron scale is volumetrically 109 times larger than the nanoscale. Confusing microtechnology with molecular technology is like confusing an elephant with a ladybug' K Eric Drexler quoted in Ed Regis Nano: the emerging science of nanotechnology' Little, Brown and Company, 1st Edition pp 207 - 208 (1995). I explore this in a paper of mine called 'Micron-sized nano-materials Article Micron sized nano-materials
D. S. Bhagat 'The micron scale is volumetrically 109 times larger than the nanoscale. Confusing microtechnology with molecular technology is like confusing an elephant with a ladybug' K Eric Drexler quoted in Ed Regis Nano: the emerging science of nanotechnology' Little, Brown and Company, 1st Edition pp 207 - 208 (1995). I explore this in a paper of mine called 'Micron-sized nano-materials Article Micron sized nano-materials
Dear Muruga Prabu , I afraid just nano-machining falls under the term of ultra-precision machining. Micro or nano here are related to tolerances. High precision machining refers to tolerances in single digit microns. Ultra-precision machining means tolerances in the sub100nm range, or more often in the sub10nm range. What might be confusing is the fact that ultraprecision machining can be performed on large -macroscopic- parts or objects.
Hope it helps.
The ultraprecision machining refers to processing or removal actions of a manufacturing process in the vicinity of 1 nm.
As it stated in the following link of Ultraprecision Machining (UPM):
https://doi.org/10.1007/978-94-017-9780-1_365
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