Application Overview Halcyonics Products: Profilometer
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Profilometer: Contact Profilometer
Profilometer is a measuring instrument used to measure a surface's profile, in order to quantify its roughness.
There are two types of profilometer: contact and non-contact profilometer.
A profilometer is a measuring instrument used to measure a surface's profile, in order to quantify its roughness. Vertical resolution is usually in the nanometre level, though lateral resolution is usually poorer.
A diamond stylus is moved vertically in contact with a sample and then moved laterally across the sample for a specified distance and specified contact force. A profilometer can measure small surface variations in vertical stylus displacement as a function of position. A typical profilometer can measure small vertical features ranging in height from 10 nanometres to 1 millimetre. The height position of the diamond stylus generates an analog signal which is converted into a digital signal stored, analyzed and displayed. The radius of diamond stylus ranges from 20 nanometres to 25 μm, and the horizontal resolution is controlled by the scan speed and data signal sampling rate.
Profilometer: Non-Contact Profilometer
Profilometer is a measuring instrument used to measure a surface's profile, in order to quantify its roughness.
There are two types of profilometer: contact and non-contact profilometer.
Non contact profilometer is a frequently-used term for an optical profilometer. An optical profilometer is a non-contact method for providing much of the same information as a stylus based profilometer where the tip of the cantilever does not contact the sample surface.