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:
Jul. 01, 2025
Filed:
Sep. 06, 2022
Kabushiki Kaisha Toshiba, Tokyo, JP;
Hiroko Nakamura, Yokohama Kanagawa, JP;
Tomohiro Saito, Yokohama Kanagawa, JP;
Yoshiaki Shimooka, Sagamihara Kanagawa, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A charged particle beam pattern forming device is described, a charged particle beam passing through a third aperture for forming a charged particle beam pattern, the charged particle beam pattern forming device including: a first element including a first aperture, a second element including a second aperture, the second aperture overlapping the first aperture, wherein the third aperture is defined by an overlap of the first aperture and the second aperture, and a shape of the third aperture is capable of being changed by a driver such that the first element is moved in a first direction and the second element is moved in a second direction opposite to the first direction.