资讯

We report on the demonstration of a highly compact (100 μm x 100 μm) piezoelectric nanoscale ultrasonic transducer (pNUT) characterized by an extremely thin (≈100 nm) aluminum nitride (AlN) active ...
This layer consists of a chemical vapor deposition (CVD) SiO2 layer and an atomic layer deposition (ALD) Al2O3 layer. The CVD SiO2 layer has a thickness of about 10 nm to about 30 nm, while the ALD ...
High Accuracy, 40 KHz Hall-effect Current Sensor IC for Starter Generators and Traction Inverter Control. Published November 6, 2020 0. ... Both the devices are qualified to AEC-Q100 Grade 0 and ...
According to the datasheet, this ultrasonic transducer’s working frequency is 40 kHz. So, the purpose of using Arduino and this small piece of code is to generate a 40KHz high-frequency oscillation ...
Variation in the sound radiation pattern (beam angle) of both the ultrasonic transducer and the complete sensor system, and how this affects the maximum target distance and helps eliminate extraneous ...
40-KHz ultrasonic transmitter and receiver pair (40T/R-B/W) Schematic of the HC-SR04 module . Get to the point. In truth, my intent is not to provide a new translation of some well-worn “Arduino & ...