Abstract
In situ Fourier transform infrared spectroscopy (FTIR)/attenuated total reflection (ATR) was used to study the deposition of plasma polymerized methyl methacrylate (PPMMA) film. Real time absorption spectra of PPMMA films were obtained at a time resolution of 20–30 s which is mostly limited by the low optical throughput and low signal-to-noise ratio. Postplasma dynamics observed in the system demonstrate the need for an in situ and real time film diagnostic technique. This letter reports the use of this diagnostic on plasma deposited polymers.
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