Medical
Coatings on stents
Small-spot MProbe measurement checks coating thickness and uniformity on drug-eluting and encapsulated polymer stent structures.
Read applicationThin-film thickness measurement applications
Two decades of application notes, measured on real production samples. Choose an application below to see measurement approach, sample considerations and recommended MProbe configuration.
Medical
Siliconization of syringes and vials
Measure silicone layer thickness and uniformity inside syringe barrels and medical vials using small-spot reflectometry.
Read application
Medical
Balloon catheter wall thickness
Non-contact small-spot reflectometry measures balloon catheter wall thickness profiles on inflated or deflated polymer balloons.
Read application
Semiconductor
Photoresist thickness & dispersion
Measure baked, partially baked, thin and thick photoresist while limiting illumination to avoid exposing the resist.
Read application
Semiconductor CMP
CMP continuous thickness monitoring & endpoint detection
Track oxide and dielectric thickness continuously through a platen or pad window and detect endpoint in real time.
Read application
Displays
OLED layer thickness
Measure OLED organic layer thickness and optical constants for R&D, patterned samples, production and in-situ work.
Read application
Coatings
Parylene coatings
Measure parylene coating thickness directly on products using FFT or curve fitting depending on the known refractive index.
Read application
Coatings
Hydrogel films
Measure hydrogel film thickness and distribution for biosensor development and production monitoring, even when films scatter light.
Read application
Coatings
Acrylic coatings on metal
Measure acrylic coating thickness directly on metal products, from soda-can liners and vial caps to coated steel or aluminum sheets.
Read application
Automotive
Automotive parts coatings
Measure automotive hardcoats and anti-fog coatings directly on curved plastic parts, including headlights and reflectors.
Read application
Coatings
Polyester coating on steel sheets
Check thin polyester coatings on steel or aluminum sheets so coating thickness and uniformity can be controlled offline.
Read application
Electronics
PCBA conformal coatings
Measure conformal coating thickness directly on PCB assemblies and SMT component surfaces, reducing reliance on test coupons.
Read application
Semiconductor
Oxide thickness & dispersion
Measure oxide thickness and dispersion together when deposition conditions change optical properties across SiO₂ and SiOx films.
Read application
Advanced materials
Heterostructure thickness
Measure repeated low- and high-index heterostructure stacks, including linked layer thickness and optical constants.
Read application
Technical resources
Small spot thickness measurement
Microscope-objective measurement for patterned features and small areas, with guidance on numerical aperture and interference contrast.
Read application
Challenging surfaces
Film thickness on rough surfaces
Recover film thickness from rough surfaces by selecting localized smooth regions and accounting for non-uniformity.
Read application
Technical resources
Spectrometer specification and thickness
See how dynamic range, SNR, dark-signal correction and wavelength resolution affect measurable thickness and n, k.
Read application
Technical resources
Ariel spectrometer difference
Why Ariel uses an unfolded fixed bench, toroidal astigmatism correction and firmware correction for MProbe measurements.
Read applicationDon't see your application?
We've measured thousands of filmstacks. Send us your sample and requirements - we'll verify feasibility.