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:
Apr. 29, 2014
Filed:
Feb. 23, 2011
Haruo Wakayama, Suita, JP;
Tetsuji Shiozawa, Iida, JP;
Takashi Sekijima, Iida, JP;
Noriyuki Ogasawara, Iida, JP;
Hiroshi Soyama, Ibaraki, JP;
Haruo Wakayama, Suita, JP;
Tetsuji Shiozawa, Iida, JP;
Takashi Sekijima, Iida, JP;
Noriyuki Ogasawara, Iida, JP;
Hiroshi Soyama, Ibaraki, JP;
Mitsuboshi Diamond Industrial Co., Ltd., Osaka, JP;
Abstract
A cutter wheel for scribing a brittle material substrate having excellent biting in the surface of the brittle material substrate when the brittle material substrate used for a liquid crystal display panel or the like is cut and a method for manufacturing the cutter wheel with high productivity are provided. The cutter wheel made of a hard metal or sintered diamond is formed in such a manner that a V-shaped ridge line part is formed as an edge along the circumferential part of a disk-like wheel, and at least one notch is engraved in the above described ridge line part and notches as that described above are formed in the entirety of the periphery of the above described ridge line part at a pitch of more than 200 μm.