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:
Oct. 07, 2025
Filed:
Jul. 21, 2022
Applicant:
Semes Co., Ltd., Cheonan-si, KR;
Inventors:
Jin Ho Kang, Cheonan-si, KR;
Joo Hyun Seo, Cheonan-si, KR;
Assignee:
SEMES CO., LTD., Cheonan-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01); G06F 3/01 (2006.01); G06F 3/0346 (2013.01); H01L 21/673 (2006.01); H01L 21/687 (2006.01);
U.S. Cl.
CPC ...
G01R 31/2867 (2013.01); G01R 31/2874 (2013.01); G01R 31/2887 (2013.01); G01R 31/2893 (2013.01); G01R 31/2896 (2013.01); G06F 3/011 (2013.01); G06F 3/0346 (2013.01); H01L 21/67303 (2013.01); H01L 21/68792 (2013.01);
Abstract
A tray elevator of a test handler includes a tray mounter on which a test tray is seated and having a support part and a through hole vertically penetrating the support part, a shaft vertically extending through the through hole of the tray mounter and configured to provide a path for elevating or lowering the tray mounter, a guide bushing including an outer surface and a groove at the outer surface, inserted into the through hole of the tray mounter, and configured to move along the shaft, and a ring inserted into the groove of the guide bushing.