Saw IDT Flip Design

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  • Thread starter LydiaLynk
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LydiaLynk

Main Question or Discussion Point

I want to to the same as in this master thesis but it doesn't work for me. In the Link on Page 76 you see 2 IDTs on YZ Lithiumniobat. It is cut through in the middle and an example of Lithiumniobat is put on top between the left and the right side, like in the picture. I just did the same but i dont get a surface wave. Instead of YZ Lithiumniobat i used Y 128° Do you think in Figure 4.9 there is is a photolack over the itds?

Another question: Idts are fixed to glass. When i press it against Lithiumniobat i dont get a surface wave. Why?

https://www.wmi.badw.de/publications/theses/Pernpeintner,Matthias_Diplomarbeit.pdf
 

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