| 505 / | HD | SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS | 
| 150 | DF | HIGH TEMPERATURE (Tc GREATER THAN 30 K) DEVICES, SYSTEMS, APPARATUS, COM- PONENTS, OR STOCK, OR PROCESSES OF USING {26} | 
| 160 |  | .~ Measuring or testing system or device {2} | 
| 161 | DF | .~.~> Bolometer | 
| 162 | DF | .~.~> Magnetic field sensing system or device (e.g., SQUID, etc.) |