2. Low temperature electronic for Fetal MagnetoCardioGraphy: FMCG Wieslaw JASZCZUK & Juergen BUEDDEFELD 24.02.03 Niederrhein University, Krefeld, Germany Project supported by: www.aif.de

3. 2 What is FMCG?

4. 3 Magnetic sensors

5. 4 Magnetic sensors & biomagnetic signals

6. 5 Bio-magnetic signals 1T= 10 000 Gauss

7. 6 What is a SQUID? Is this the Squid we want to use?

8. 7 The SQUID we want to use ! -196°C Superconducting QUantum Interference Device at 77K (LN2) superconductivity

9. 8 Features of Superconductivity Meissner Effect Zero Electrical Resistance Magnetic Flux Quantization Josephson Effect

10. 9 SQUID

11. 10 SQUID electronic

12. 11 FMCG-future (the Netherlands) Adopted from BMGC- Uni. Twente, Enschede, NL

13. 12 What is our Goal? ????

14. 13 SQUIDS applications?