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:
Jul. 12, 2022
Filed:
May. 24, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Hiroshi Ishikawa, Tokyo, JP;
Kota Shikama, Tokyo, JP;
Yuko Kawajiri, Tokyo, JP;
Atsushi Aratake, Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
A connection structure for optical waveguide chips includes a silica-based PLC in which grooves are formed, spacer steel balls fitted in the grooves, and silica-based PLCs in which grooves into which the spacer steel balls to be fitted are formed, the silica-based PLCs being mounted on the silica-based PLC by being supported by the spacer steel balls. A conductor wire formed in the silica-based PLC and a conductor wire formed in the silica-based PLC are electrically connected to each other by a conductor film formed in the groove, the spacer steel balls and a conductor film formed in the groove.