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. 04, 2023
Filed:
Jun. 16, 2021
Nec Corporation, Tokyo, JP;
Kenji Nanba, Tokyo, JP;
Ayami Yamaguchi, Tokyo, JP;
Akira Miyata, Tokyo, JP;
Katsumi Kikuchi, Tokyo, JP;
Suguru Watanabe, Tokyo, JP;
Takanori Nishi, Tokyo, JP;
Hideyuki Satou, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A quantum device () includes: an interposer (); a quantum chip (); and a connection part () that is provided between the interposer () and the quantum chip () and electrically connects a wiring layer of the interposer () to a wiring layer of the quantum chip (), in which the connection part () includes: a plurality of pillars () arranged on a main surface of the interposer (); and a metal film () provided on a surface of the plurality of pillars () in such a way that it contacts the wiring layer of the quantum chip () and the thickness of the metal film at outer peripheral parts of the tip of each of the plurality of pillars () becomes larger than the thickness of the metal film at a center part of the tip of each of the plurality of pillars ().