The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 08, 2020
Filed:
Sep. 08, 2015
Acm Research (Shanghai) Inc., Shanghai, CN;
Zhenming Chu, Shanghai, CN;
Xi Wang, Shanghai, CN;
Hui Wang, Shanghai, CN;
Shena Jia, Shanghai, CN;
Jun Wu, Shanghai, CN;
Fuping Chen, Shanghai, CN;
Xuejun Li, Shanghai, CN;
ACM Research (Shanghai) Inc., Shanghai, CN;
Abstract
A fall-proof apparatus for cleaning semiconductor devices is provided. The fall-proof apparatus comprises: a nozzle () connecting with a carrier (); a megasonic/ultrasonic device () fixing on the carrier (); and a sensor () detecting the distance between the megasonic/ultrasonic device () and the carrier () to determine whether the megasonic/ultrasonic device () is loose and going to fall. The megasonic/ultrasonic device works with the nozzle during a cleaning process. A chamber with the fall-proof apparatus is also provided.