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박막 연구개발 제품 MEMS Lidar

박막 연구개발 제품
MEMS Lidar

SC MEMS had successfully developed the Lidar sensor using Piezo Single Crystal PMN-PT actuator, and fabrication processing sizes up to 8 inch diameter.

Resonance Frequency [kHz] 30° Drive Voltage [Vpp]
3.5 5.5

Optical scan angle of 30°

Single Crystal Properties

PMN-PT

Parameter Units [001] poled [011] poled
Low-PT High-PT Low-PT High-PT
ϵ33T/ϵ0 - 4842 7000 3760 5770
dij x10-12C/N d33=1282 d33=1620 d33=-1140 d33=-1820
SijE x10-12m2/N S33E=47 S33E=56 S33E=53 S33E=78
Trt C0 95 85 95 85
Ec KV/cm 2 2.5 2 2.5
Density kg/m3 8080

PIN-PMN-PT

Parameter Units [001] poled [011] poled
Low-PT High-PT Low-PT High-PT
ϵ33T/ϵ0 - 4457 5666 3449 4656
dij x10-12C/N d33=1226 d33=1840 d33=-1323 d33=-1870
SijE x10-12m2/N S33E=49 S33E=79 S33E=72 S33E=99
Trt C0 120 90 120 90
Ec KV/cm 4 6 4 6
Density kg/m3 8154