Low temperature electronic for Fetal MagnetoCardioGraphy: FMCG Wieslaw JASZCZUK & Juergen BUEDDEFELD Niederrhein University, Krefeld, Germany Project supported by:

2 What is FMCG?

3 Magnetic sensors

4 Magnetic sensors & biomagnetic signals

5 Bio-magnetic signals 1T= Gauss

6 What is a SQUID? Is this the Squid we want to use?

7 The SQUID we want to use ! -196°C Superconducting QUantum Interference Device at 77K (LN2) superconductivity

8 Features of Superconductivity Meissner Effect Zero Electrical Resistance Magnetic Flux Quantization Josephson Effect

9 SQUID

10 SQUID electronic

11 FMCG-future (the Netherlands) Adopted from BMGC- Uni. Twente, Enschede, NL

12 What is our Goal? ????

13 SQUIDS applications?