Patent ID: 11889766
Assignee: MICROJET TECHNOLOGY CO., LTD.
Field: nan (nan)
Classification: CPC H | IPC H

Claim 8:
9. The miniature fluid actuator according to claim 1, wherein the chamber layer comprises an insulation layer, a first polysilicon layer, a first protective layer, a second polysilicon layer, a second protective layer, and a plurality of metal layers, wherein the insulation layer is formed on the substrate, the first polysilicon layer is formed on the insulation layer, the first protective layer is formed on the first polysilicon layer, and the second polysilicon layer is formed on the first protective layer, and the second protective layer and the plurality of metal layers are formed on the second polysilicon layer, wherein the resonance layer is formed by the first polysilicon layer, the first protective layer and the second polysilicon layer.