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:
Oct. 31, 2017
Filed:
Sep. 04, 2013
Namiki Seimitsu Houseki Kabushiki Kaisha, Tokyo, JP;
Adamant Kogyo Co., Ltd., Tokyo, JP;
Hironori Yamashida, Tokyo, JP;
Terumichi Sugimura, Tokyo, JP;
Akinori Sugimura, Tokyo, JP;
Koji Horiguchi, Tokyo, JP;
Nobuo Imaizumi, Tokyo, JP;
Namiki Seimitsu Houseki Kabushiki Kaisha, Tokyo, JP;
Adamant Kogyo Co., Ltd., Tokyo, JP;
Abstract
A cutting tool for cutting a hard brittle material is formed from a light-transmittable material through which laser light can pass and is provided with a rake angle, the laser light is propagated through the cutting tool, the cutting tool and the hard brittle material are brought into contact with each other, the laser light is incident to at least a contact part where the cutting tool and the hard brittle material are in contact with each other and a part with the rake angle, the laser light except for Fresnel reflection light on an end surface of the cutting tool is incident to the hard brittle material through the contact part and the rake angle part to soften the hard brittle material, and the softened hard brittle material is cut.