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.

Date of Patent:
Sep. 30, 2025

Filed:

Jul. 29, 2022
Applicant:

Imec Vzw, Leuven, BE;

Inventors:

Anna Yurievna Herr, Leuven, BE;

Quentin Paul Herr, Leuven, BE;

Zsolt Tokei, Leuven, BE;

Anshul Gupta, Leuven, BE;

Assignee:

IMEC VZW, Leuven, BE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/768 (2006.01); H01L 23/522 (2006.01); H01L 23/532 (2006.01);
U.S. Cl.
CPC ...
H01L 21/76897 (2013.01); H01L 21/76885 (2013.01); H01L 23/5226 (2013.01); H01L 23/53285 (2013.01);
Abstract

A method for forming a superconducting interconnect structure, comprising: providing a substrate, forming a superconductive layer, forming a layer of a first dielectric material, removing parts of the layer of the first dielectric material and of the superconductive layer so as to form a pattern comprising a first set of line structures comprising: a first set of superconductive line structures, and a first set of line structures made of the first dielectric material, forming a second dielectric material between the line structures of the first set, forming a layer formed of a third dielectric material, providing a patterned mask, transferring the pattern into the first dielectric material and into the layer formed of the third dielectric material, so as to form the at least one via hole, removing the patterned mask, and forming a superconductive material layer so as to form at least one via.


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