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.

Date of Patent:
Aug. 15, 2017

Filed:

Aug. 30, 2016
Applicant:

Hitachi High-technologies Corporation, Minato-ku, Tokyo, JP;

Inventors:

Daisuke Mutou, Tokyo, JP;

Shuichi Nakagawa, Tokyo, JP;

Masaki Mizuochi, Tokyo, JP;

Toshihiko Shimizu, Tokyo, JP;

Hirofumi Motoshiromizu, Tokyo, JP;

Eisuke Kamide, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 11/16 (2006.01); H01J 37/16 (2006.01);
U.S. Cl.
CPC ...
H01J 37/16 (2013.01); G10K 11/16 (2013.01); H01J 2237/0216 (2013.01);
Abstract

To provide a charged particle radiation apparatus including a soundproof cover that highly realizes both suppression of image defects due to a specific frequency and improvement in quake resistance. A charged particle radiation apparatus including a box-shaped soundproof cover having a plurality of wall surfaces, the soundproof cover including a plurality of columnar bodies forming a frame of the box shape body and a box-shaped acoustic energy absorbing structure provided in a connecting part of the plurality of columnar bodies and attached to support at least the two columnar bodies, is proposed.


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