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APPLICATION: THIN FILM COATING ON AUTOMOTIVE PARTS

There are several points in automotive parts manufacturing process where coating thickness can be critical and requires quality control: outer hardcoat layers (scratch- resistant), inner anti-fog layers for polycarbonate lenses, hardcoat on base reflector plates, hardcoating on bumper covers and many other components.. Each of these coatings presents a unique set of measurement challenges: low optical contrast between polycarbonate and coating material, inter-penetration (IPL) interface layer, colored parts (e.g. red), reflective texture on the part surface, etc.

MProbe VisHC system provides robust and easy to use solution that allows to measure layers directly on the product. Manual probe MP-FLVis is connected to system with a flexible fiberoptics cable. The probe conforms to the curvature of the sample and accurate measurement can be performed easily. It is used for measurement of the parts larger than 1” (25mm).   Small measurement spot (<200 µm) reduces the effect of  backside reflectance. MProbe VisHC software uses advanced Thick Film algorithm for HC films and curve fitting algorithm for anti-fog coatings. Algorithms can be easily adjusted/trained to measure even most challenging samples. Measurement process is easy for inexperienced operator to use and understand

Automotive thin films Measurement

Why use MProbe HC?

  • manual probe enables measurement on curved amd large parts
  • Focused, small spot measurement reduced effects ofnon-uniformity and scatter 
  • Instant results that can be tagged with part id.
  • 400-1000nm wavelength range is well suited for this application
  • small and economical solution

MPROBE HC:  measurement of hardcoating on car bumper

BASIC SPECIFICATION:
Wavelength range: 400-1000nm
Wavelength resolution:< 2nm
Precision: <0.01nm or 0.01%
Accuracy: <1nm or 0.2% 
Measurement:< 100ms (typical, depends on sample reflectivity)
Spot size:  <200 μm (depending on objective)

Read more about MProbe HC
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