Product

HTc SQUID

  • High Tc SQUID Magnetometer
Features:
  • 3 SQUIDs on 1 chip
  • Step-edge SrTio3(001) substrate
  • YBa2Cu3Oy superconducting film
  • Directly-coupled SQUIDs
  • Well packed
  • Build-in modulation coil
Description

Magnetometer is a sensor for detection magnetic signals. To achieve a high-sensitivity in sensing weak magnetic signals, MagQu utilizes high-Tc superconducting quantum interference devices (SQUIDs)­ for high-sensitivity magnetometer.

SQUID is composed with two Josephson junctions in parallel. The output voltage cross Josephson junctions varies with magnetic flux through the loop formed with Josephson junctions in parallel. It is worthy noting that the limit of detection in magnetic field strength can be down to 1 pT. Thus, SQUID is usually useful to probing ultra-weak magnetic signal, and shows impacts to such applications as biomagnetic detections (e.g. magnetocardiography), non-destructive evaluation, geophysical investigation, low-field nuclei magnetic resonance, and magnetically labeled biomolecule assays.

MagQu is issuing high-Tc SQUID magnetometer: SQIMA3. Josephson junctions are such type as step-edge boundary (step-edge STO substrate). 

Specification:
Size
φ24mm x h13mm
Effective area
0.16 mm2
IcRn
100 μV @ 77K
SB1/2
~1000 fT/Hz1/2 @ 1 Hz; ~ 100 fT/Hz1/2 @ 1 kHz
Ordering information:
Catalog Number Description Package Size
HTc SQUID High Tc SQUID Magnetometer
Applications:
  • Applications Content: 
    Low field NMR/MRI