Table 4.

Ratios between surface areas under some of the components in the Fourier transform infrared spectroscopy (FTIR) curve-fitting model (Figure 10).

	A1/A3 (Si-(CH3)n/Si-O-Si)	A4/A3 (TO2/TO1)
PT3	0.35	0.67
PT5	0.52	0.64
PT5P75	0.22	0.81