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:
Aug. 16, 2022
Filed:
Jul. 11, 2019
Tokyo Electron Limited, Tokyo, JP;
TOKYO ELECTRON LIMITED, Tokyo, JP;
Abstract
A bonding apparatus includes a first holder, a second holder, an imaging unit and a moving device. The first holder is configured to hold a first substrate. The second holder is disposed to face the first holder and configured to hold a second substrate to be bonded to the first substrate. The imaging unit includes a first imaging device configured to image a first alignment mark formed on a surface of the first substrate facing the second substrate and a second imaging device configured to image a second alignment mark formed on a surface of the second substrate facing the first substrate. The moving device is configured to move the imaging unit in a first direction and a second direction intersecting with the first direction within a plan region between the first holder and the second holder.