technology surface measurement -->
ENP Newswire -
Release date- 20082013 - A
With the requirement for ever higher performance of smaller and smaller parts, emphasis is having to be placed on their surfaces in order to produce high-value products.
Two emerging consequences are the use of patterns and structures on surfaces, and complex forms, all of which have to be rigorously controlled in order to optimise such areas as lubrication, adhesion and optical performance.
Key to these improvements is the measurement of these surfaces in order to manufacture to high precision with a minimum of defects - a big problem for traditional measuring techniques.
A new idea conceived by Professor
He has devised a technique based on Gaussian filtering, but having a new mathematical stratagem which is described in the Proceedings of the
He said: 'his technique enhances the sharp features which are inherently present on high-tech structured surfaces such as edges, grooves and boundaries in a way which enables their detailed geometry and position to be better determined than previous methods. It can also facilitate the detection and characterization of defects on the surfaces.'
Structured and free form surface applications over a wide range of sizes, for example in the optical, semiconductor, turbine and in nanotechnology could, if the method realises its potential, benefit directly.
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