Fabrication and characteristics of inversion layer LiNbO 3 for high frequency ultrasound transducers
2014
This paper studied the relationship between the ratio of LiNbO 3 inversion layer plate and its thickness, annealing time, temperature. Two groups of Y-36°LiNbO 3 plate with different thickness between 100 to 500µmand 60 to 200µm were annealed at 1130°C and 1140°C respectively with different time. The inversion layer ratio of the inversion layer ratio of these Y-36° LiNbO 3 inverted plates was measured and compared. It is found that it is easier to get a higher inversion layer ratio for a thinner LiNbO 3 plate or at a higher annealing temperature, such as 1140°C.
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