Changfeng Xia

City:

Jiangsu

Country:

China

Published Applications:

Last publication date:

2022-12-01

Top Assignees for applications by Changfeng Xia

The entities that hold a legal rights for patent applications filed by inventor Xia Changfeng:

Changfeng Xia from Jiangsu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:

MEMS microphone and preparation method therefor

METHOD FOR MANUFACTURING DUAL-CAVITY STRUCTURE, AND DUAL-CAVITY STRUCTURE

Manufacturing method of MEMS chip

Parallel plate capacitor and acceleration sensor comprising same

METHOD FOR FABRICATING MULTI-TRENCH STRUCTURE

MEMS chip and manufacturing method therefor

Monitoring structure and monitoring method for silicon wet etching depth

InventorID:

980331 ⎘