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:
May. 19, 1987
Filed:
Mar. 06, 1985
Applicant:
Inventor:
Ichiro Kano, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
2504611 ; 2504581 ; 2504911 ; 356401 ;
Abstract
An alignment device having a light source for emitting a light beam in a ultraviolet range or in a short wavelength range to irradiate alignment marks formed on two members to be aligned with each other, and an observation system for observing an image related to the alignment marks of the two members irradiated by the light beam emitted from the light source.
Kano, Ichiro. (1987). Alignment device (U.S. Patent No. 4667109). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4667109
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile