Design and Fabrication of HTS-SQUID Gradiometer With Imbalance of 10–4 Using a Gradiometric SQUID Structure

A Tsukamoto, S Adachi, T Hato… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
We have succeeded in fabricating a high-temperature superconducting (HTS) thin-film
gradiometer with small imbalance by applying an HTS multilayer process, including …

Development and investigation of novel single-layer gradiometers using highly balanced gradiometric SQUIDs

P Seidel, F Schrey, L Dörrer, K Peiselt… - Superconductor …, 2001 - iopscience.iop.org
The sensitivity of galvanically coupled single-layer gradiometers on bicrystal substrates for
homogeneous magnetic fields can be minimized by an increase of the balance, which is the …

Fabrication of Integrated Two-Axis High- Planar Gradiometer

A Tsukamoto, S Adachi, Y Oshikubo… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
We have fabricated a two-axis high-T c planar gradiometer. Two gradiometers with planar
gradiometric pickup coils lie diagonally on a square substrate. Therefore, they can measure …

Improvement of spatial and field resolution in NDE systems using superconducting sensors

P Seidel, S Wunderlich, F Schmidl… - IEEE transactions on …, 2001 - ieeexplore.ieee.org
We present a NDE scanning system for industrial purposes in magnetically and electrically
unshielded environment. In this scanning system, planar galvanically coupled dc SQUID …

First-order high-T/sub c/single-layer gradiometers: Parasitic effective area compensation and system balance

C Carr, EJ Romans, AJ Millar… - IEEE transactions on …, 2001 - ieeexplore.ieee.org
We have previously reported an anti-parallel two-SQUID coupling scheme which can
significantly improve the balance of first-order HTS single-layer gradiometers, and therefore …

Fabrication of Small Biaxial High- Gradiometric SQUID

S Adachi, A Tsukamoto, Y Oshikubo… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
We have developed high-T c superconducting quantum interference devices (SQUIDs)
containing ramp-edge-type Josephson junctions and oxide multilayer structures. In this …

Step-edge Josephson junctions and their use in HTS single-layer gradiometers

AJ Millar, EJ Romans, C Carr… - IEEE transactions on …, 2001 - ieeexplore.ieee.org
We describe reproducible technology for fabricating YBa/sub 2/Cu/sub 3/O/sub 7/step edge
Josephson junctions on SrTiO/sub 3/substrates. We report on the electrical characteristics of …

Four coplanar superconducting strips: flux-focusing effects and inductance

AAB Brojeny, JR Clem - Superconductor Science and …, 2004 - iopscience.iop.org
We present analytic solutions for the Meissner-state magnetic-field and current-density
distributions for four long parallel coplanar superconducting strips carrying subcritical …

The balance and noise properties of directly coupled high-Tc superconducting quantum interference device gradiometers with a serial array

HC Yang, JC Chen, CH Wu, KL Chen… - Applied Physics …, 2008 - pubs.aip.org
We characterize the balance and noise properties of directly coupled high-T c
superconducting quantum interference device (SQUID) gradiometers with a series array …

High-Tc single layer gradiometers: device optimisation for full portability in an unshielded environment

EJ Romans, AJ Millar, C Carr, R Palai… - Physica C …, 2002 - Elsevier
We describe improvements to the performance of directly coupled single-layer gradiometers
incorporating high temperature superconducting quantum interference devices. By …