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Title: Method for fabricating superconducting devices using a focused ion beam

Patent ·
OSTI ID:1840263

Nano-scale junctions, wires, and junction arrays are created by using a focused high-energy ion beam to direct-write insulating or poorly conducting barriers into thin films of materials that are sensitive to disorder, including superconductors, ferromagnetic materials and semiconductors.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-05CH11231
Assignee:
The Regents of the University of California (Oakland, CA)
Patent Number(s):
11,063,201
Application Number:
16/255,499
OSTI ID:
1840263
Resource Relation:
Patent File Date: 01/23/2019
Country of Publication:
United States
Language:
English

References (35)

Superconductor-insulator-superconductor Josephson tunnel junction and method therefor patent September 1998
Magnetic Flux-to-Voltage Transducer Based on Josephson Junction Arrays patent-application May 2016
Very Large Scale Integration of Nanopatterned YBa 2 Cu 3 O 7−δ Josephson Junctions in a Two-Dimensional Array journal October 2009
Electrical Device and Method of Manufacturing Same patent-application June 2008
Josephson junction patent May 1995
YBa 2 Cu 3 O 7− δ superconducting quantum interference devices with metallic to insulating barriers written with a focused helium ion beam journal June 2015
Nanoscale, spatially-controlled Ga doping of undoped transparent conducting oxide films patent-application September 2010
Modification and nano-patterning of high-Tcsuperconducting thin films by masked ion beam irradiation journal June 2010
High temperature superconducting Josephson device and method for manufacturing the same patent December 1998
Ion beam device patent-application June 2011
Nano Josephson superconducting tunnel junctions in YBa2Cu3O7–δ directly patterned with a focused helium ion beam journal April 2015
Display device patent-application July 2004
Comparison of measurements and simulations of series-parallel incommensurate area superconducting quantum interference device arrays fabricated from YBa2Cu3O7−δ ion damage Josephson junctions journal September 2012
High performance step-edge SQUIDs on a sapphire substrate and method of fabrication patent-application February 2004
Method for Fabricating Superconducting Devices Using a Focused Ion Beam patent-application May 2017
Method for making a superconductor device patent January 2006
Method of reducing critical current density of oxide superconductors by radiation damage patent October 1991
Superconducting device having an thin superconducting channel formed of oxide superconducting material patent May 1995
Sub-10-nm nanolithography with a scanning helium beam
  • Sidorkin, Vadim; van Veldhoven, Emile; van der Drift, Emile
  • Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, Vol. 27, Issue 4 https://doi.org/10.1116/1.3182742
journal January 2009
Fabrication of Arrays of Nano-Superconducting Quantum Interference Devices Using a Double-Angle Processing Approach journal June 2013
High-temperature superconductor devices and methods of forming the same patent-application December 2004
Devices using high T.sub.c superconductors patent June 1991
Method for fabrication of high aspect ratio trenches and formation of nanoscale features therefrom patent May 2017
Superconducting magnetoresistive element having a plurality of weak-coupling portions and a method of fabricating the same patent August 1996
Masked ion beam irradiation of high-temperature superconductors: patterning of nano-size regions with high point-defect density journal January 2009
Sample Preparation patent-application August 2012
Fabrication of MgB2 nanobridge dc SQUIDs by focused ion beam journal December 2010
High linearity superconducting radio frequency magnetic field detector patent May 2012
Fabrication of superconducting MgB2nanostructures journal November 2008
Temporal Stability of Y–Ba–Cu–O Nano Josephson Junctions from Ion Irradiation journal June 2013
Ion beam lithography system patent August 2005
Ion Beam Mill Etch Depth Monitoring with Nanometer-Scale Resolution patent-application February 2018
Superconducting weak link device patent April 1992
Method for forming Josephson junction devices by radiation patent July 1993
Nanometer scale high-aspect-ratio trench etching at controllable angles using ballistic reactive ion etching
  • Cybart, Shane A.; Roediger, Peter; Ulin-Avila, Erick
  • Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena, Vol. 31, Issue 1 https://doi.org/10.1116/1.4773919
journal January 2013

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