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Phyllon was founded in Graz, in March 2016, to produce and distribute the innovative OSeeT technology, based on Optical Coherence Tomography (OCT) research developed by The Research Center Pharmaceutical Engineering GmbH (RCPE).

The focus of the OSeeT are enteric coatings (EC) and modified-release (MR) coatings.

The characteristics of the coating layer are revealed via OSeeT:

路 Mean coating thickness, progress of coating process.
路 Intra-particle and inter-particle coating variability, for quality and homogeneity of the applied coating.
路 Roughness, optical quality of the surface.

The Technology behind OSeeT is Interferometry

路 OCT is based on white light interferometry
*Broad bandwidth resulting in low-coherence length
*Defines the axial (=depth) resolution
路 Light is split into a reference and a probe path
路 Optics of sample arm focus light and define lateral (=surface) resolution
路 Interference of light reflected back from both paths
路 Spectrometer (grating, CCD line scan camera)
路 Depth-information is generated from interference fringes by Fourier-transformation (FFT)
路 Measurement of a single depth scan