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:
Feb. 15, 2022

Filed:

Mar. 20, 2020
Applicant:

Ushio Denki Kabushiki Kaisha, Tokyo, JP;

Inventors:

Kazuyuki Mori, Tokyo, JP;

Masahiko Kase, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 61/54 (2006.01); H01J 61/02 (2006.01);
U.S. Cl.
CPC ...
H01J 61/547 (2013.01); H01J 61/025 (2013.01);
Abstract

To provide a light irradiation device using a plurality of flash lamps in which a structure that can emit high intensity light as a whole and enables a flash lamp to be used for a practical lifetime without increasing an input current to each lamp is adopted. A light emission surface is provided on a distal end on a second electrode introducing part side of a light-emitting tube of a flash lamp including a first electrode introducing part and the second electrode introducing part, and a plurality of flash lamps are arranged in a standing manner on a top plate of a processing chamber so that the light emission surface faces the inside of the processing chamber.


Find Patent Forward Citations

Loading…