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:
Feb. 15, 2022
Filed:
Apr. 01, 2020
Taiwan Semiconductor Manufacturing Company Ltd., Hsinchu, TW;
Harry-Hak-Lay Chuang, Hsinchu County, TW;
Tien-Wei Chiang, Taipei, TW;
Chia Yu Wang, Hsinchu County, TW;
Meng-Chun Shih, Hsinchu, TW;
Ching-Huang Wang, Taoyuan County, TW;
Chih-Yang Chang, Hsinchu, TW;
Chia-Hsiang Chen, Hsinchu, TW;
Chih-Hui Weng, Tainan, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD., Hsinchu, TW;
Abstract
A test apparatus includes a tray including at least a first region and a second region, and a cap disposed over the tray. The cap includes a cap body, and at least a first magnet and a second magnet disposed over the cap body. The first magnet is configured to provide a first magnetic field to the first region of the tray, and the second magnet is configured to provide a second magnetic field to the second region of the tray. A strength of the first magnetic field is different from a strength of the second magnetic field.