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:
Nov. 04, 2025
Filed:
Nov. 05, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
Treeze Engineering, Hwaseong-si, KR;
Dong Chol Choi, Hwaseong-si, KR;
Sung Hyo Son, Hwaseong-si, KR;
Yong Jun Ahn, Suwon-si, KR;
Yu Dong Won, Suwon-si, KR;
Soo Yeup Lee, Seoul, KR;
Il Kyu Lee, Seoul, KR;
Hyun Woo Lee, Hwaseong-si, KR;
Kyoung Rak Lim, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A substrate transfer device includes: a traveling unit including a traveling wheel that travels on a rail to transfer a substrate in a first direction; a rail unit including the rail and a rail protrusion protruding from the rail in a second direction different from the first direction; and a sensor unit including a first sensor and a second sensor, wherein the first sensor senses the traveling unit, and the second sensor senses the rail protrusion, wherein the first and second sensors are placed at the same position as each other along the rail on a basis of the first direction.