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:
Sep. 02, 2025
Filed:
Sep. 24, 2020
Hamamatsu Photonics K.k., Hamamatsu, JP;
Kei Tabata, Hamamatsu, JP;
Yumi Kuramoto, Hamamatsu, JP;
HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;
Abstract
A spectroscopic unit includes a housing having a wall part formed with an opening, a first aperture part formed with a first aperture, and a second aperture part formed with a second aperture, in which a length of the second aperture in the facing direction is larger than a length of the first aperture in the facing direction, an outer edge of the first aperture is positioned inside each of an outer edge of the opening and an outer edge of the second aperture, and the first aperture includes at least one of a first tapered portion reaching a first surface of the first aperture part and extending toward the first surface, and a second tapered portion reaching a second surface of the first aperture part and extending toward the second surface.