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.:

US 8729493 B1

PDF
Full Text
Expired
Date of Patent:
May. 20, 2014

Filed:

Nov. 11, 2011
Applicant:

Shinji Ohishi, Oyama, JP;

Inventor:

Shinji Ohishi, Oyama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21K 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A drawing apparatus includes a plurality of charged particle optical elements that are sequentially passed through by a plurality of charged particle beams and performs drawing on a substrate with the charged particle beams. The apparatus further includes a deflector array which includes a plurality of deflectors disposed for respective one or more charged particle beams, each of which aligning corresponding one or more charged particle beams between two of the plurality of charged particle optical elements, a plurality of devices configured to respectively apply a plurality of potentials to the deflector array, and a connector configured to connect each of a plurality of electrodes included in the deflector array to one of the plurality of devices and connect electrodes, to which an equal potential is applied, to each other. Number of devices included in the plurality of devices is less than number of electrodes included in the deflector array.


Find Patent Forward Citations

Ohishi, Shinji. (2014). Drawing apparatus, method of manufacturing article, method of manufacturing deflecting apparatus, and method of manufacturing drawing apparatus (U.S. Patent No. 8729493). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8729493

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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