Patent ID: 11919039
Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 19:
20. The method for manufacturing the acoustic transduction unit according to claim 19, wherein the step of forming the support pattern on a side surface of the sacrificial pattern and forming the second dielectric pattern and the vibrating diaphragm pattern on a side of the sacrificial pattern distal to the first electrode and forming the vibrating diaphragm pattern on a side of the support pattern distal to the first electrode comprises steps of:
forming a support and vibrating diaphragm material film on a side of the first electrode distal to the base substrate, and
performing a patterning process on the support and vibrating diaphragm material film to obtain the support pattern, the second dielectric pattern and the vibrating diaphragm pattern.