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:
Mar. 25, 2025
Filed:
Jan. 13, 2023
Lasertec Corporation, Kanagawa, JP;
Jun Sakuma, Yokohama, JP;
Ryotaro Mori, Yokohama, JP;
LASERTEC CORPORATION, Yokohama, JP;
Abstract
A light-source apparatus, an inspection apparatus, and an adjustment method capable of facilitating the adjustment of the temperature of a BBO crystal are provided. A light-source apparatus according to the present disclosure includes a first light source configured to generate visible light, a first external resonator including a plurality of optical mirrors, a BBO crystal disposed in the first external resonator, capable of generating UV light in a wavelength range of 233 nm to 236 nm, the UV light being a second harmonic of the visible light, a one- or two-dimensional semiconductor sensor disposed near a far-field image plane formed through an optical element provided on an optical path of the UV light, and a calculation unit configured to calculate a representative position of a light intensity distribution detected by the semiconductor sensor.