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Specific Process Knowledge/Thin film deposition/Deposition of Silicon Nitride/Deposition of Silicon Nitride using PECVD: Difference between revisions

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==Oxynitrides==
The recipe for making oxynitrides will depend on what kind of oxynitride you need. If you need a little higher refractive index than SiO2 then I would start with an SiO2 recipe and then add NH3 until the right RI is obtained. If you need very high refractive index a little lower than for silicon nitride then it is probably better to start with a silicon nitride recipe and add a some N2O until you get the right refractive index.
We had a Ph.d student long time ago Klaus Bo Mogensen that did the first. You can find his ph.d. thesis here: [https://findit.dtu.dk/en/catalog?author=Mogensen&q=title%3A%28Integration+of+Planar+Waveguides+for+Optical+Detection+in+Microfabricated+Analytical+Devices%29 Integration of Planar Waveguides for Optical Detection in Microfabricated Analytical Devices]
Berit H. has the thesis in her office.
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