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.

Date of Patent:
Apr. 28, 2020

Filed:

Apr. 22, 2019
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Inventors:

Sang-joon Hong, Seoul, KR;

Jung-jae Kim, Hwaseong-si, KR;

Sang-hyun Park, Yongin-si, KR;

Ono Kazuya, Suwon-si, KR;

Si-woong Woo, Hwaseong-si, KR;

Assignee:

SAMSUNG ELECTRONICS CO., LTD., Suwon-si, Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 27/58 (2006.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
G03F 7/707 (2013.01); G03F 7/70766 (2013.01);
Abstract

A chuck-driving device includes a base extending in first and second directions. The second direction crosses the first direction. The chuck-driving device further includes a slider positioned on the base and configured to move in a third direction substantially perpendicular to the first and second directions, and a pneumatic cylinder positioned on the base and to support the slider in the third direction. The chuck-driving additionally includes a motor assembly positioned on the base, around the pneumatic cylinder, and configured to drive the slider in the third direction. The motor assembly includes a coil base having a hollow portion disposed around sides of the pneumatic cylinder, a coil assembly positioned on the coil base and disposed around the sides of the pneumatic cylinder, and a magnet assembly adjacent to a part of the coil assembly.


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