Patent ID: 11898902
Assignee: HARBIN ENGINEERING UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 2:
3. The swim bladder bionic amphibious optical fiber ocean acoustic sensor according to claim 1, wherein a working frequency of the sensor is 2 kHz-30 kHz; the sound sensitive diaphragm is a square with a size of 0.5 mm×0.5 mm and a thickness of 500 nm, and the diaphragm outer frame is a square with a size of 5 mm×5 mm and a thickness of 200 μm; the diaphragm supporting shell has an overall diameter of 10 mm, a height of 5.5 mm, and the groove has a size of 5.1 mm×5.1 mm×0.2 mm at the top; each of the overflow holes has a diameter of 0.5 mm and a hole length of 1 mm, and the back cavity has a volume of 85 mm3.