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Latest Notepad Video: Bandwidth Wavelength

The third video in the Notepad Series from Digital Metrology Solutions has been released. In the second video, “Roughness and Waviness,” looked at how to separate longer wavelength ‘waviness’ from short-wavelength ‘roughness.’ In ‘Bandpass Waviness’ the video go a step further and also separate waviness from the long-wavelength ‘form’ shapes. Making this distinction allows to target the waviness features that could matter most. For example, if trying to create a sealing surface, controlling the waviness-related lumps or bumps may be the biggest challenge.  One surprising upshot of controlling these features separately: the added controls may actually allow to loosen tolerances on the long wavelength form as a result.

Digital Metrology Solutions recently announced the kickoff of its ‘Notepad Series’ videos. These short, informal sessions make surface texture understandable for those who rely on the information but are not necessarily experts in the field.

“This new video series is designed to introduce casual users to surface analysis,” said Mark Malburg, President of Digital Metrology. “Many technicians, researchers and engineers rely on surface data but only have a passing knowledge of how to explore and understand a surface. Slides, equations, and theory can sometimes get in the way. Each of these videos presents a single topic in just a few minutes. We take a concept down to the level of a simple drawing in real time, which provides an incredibly effective path to understanding.”

The Notepad Series departs from the typical web-based seminar content. “The Notepad Series flips this model upside down. The sessions are brief, informal, free, and there is no commitment or registration required for viewing.”

Malburg added that the videos serve as a catalyst for further training. “These videos elevate the basic knowledge level and make dedicated training/consulting more accessible and more effective.”

The Notepad Series videos are available at New videos follow every few weeks.