Why 3 in 1 technologies?
Designed as a high-performance 3D optical profiler from the outset, S neox outperforms all existing optical profilers, combining 3 techniques – confocal (best for surfaces with high slope), interferometry (yields the highest vertical resolution) and Focus Variation (measure shape in mere seconds) – in the same sensor head without any moving parts.
How do we do it?
What does 3D Surface Metrology measure?
Very generally, both natural and manufactured surfaces comprise a primary shape or form (topography), with varying degrees of structure, waviness and roughness (2D/3D). All of these surface features will contain both intentional and unintentional (controlled/uncontrolled) contributions.
The relative significance of these contributions is determined by the application (noting that uncontrolled contributions are not necessarily undesirable). The goal of a measurement is to evaluate – qualify and quantify – the differing contributions, either in support of a fundamental scientific research finding, or with regard to a target industrial application.
Depending on the field or application, the structure, waviness and roughness contributions might be categorized as finish, haptic, texture, defects, marks, micro-wear and much more. Alternatively, the user may be looking to determine critical dimensions, step-height, peak-to-valley, volume or slope, or even map coating thickness and other surface characteristics.
If the goal is to determine areal (3D) surface texture, the results can be also be rigorously tied to the appropriate parameters as defined by the increasingly prevalent ISO 25178 standard. In industrial (surface) manufacturing, the adoption of best practices tied to widely accepted standards can make manufacturing more efficient, reproducible and traceable.
Typical applications sectors include general scientific and materials research, optoelectronics, data storage, automotive, medical technology, energy, and optics & optoelectronics. Specific applications include additive manufacturing, automotive and consumer electronics, ballistics, CMP pad monitoring, micropaleontology, nano-technology, micromanufacturing, optics, surface inspection, surface functionality and passivation.
The sheer breadth of 3D surface and 2D profile metrology tasks across so many scientific and industrial applications points directly to the outright practicality of Sensofar Metrology’s ‘3-in-1’ approach.