505 / | HD | SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS |
510 | DF | PRECURSOR OF HIGH TEMPERATURE (Tc GREATER THAN 30 K) SUPERCONDUCTOR MATERIAL OR STOCK, PER SE, OR PROCESS OF PRODUCING THE PRECURSOR {1} |
511 | DF | .~ Target for coating {1} |
512 | .~.~ Organometallic (e.g., ligand, clathrate, oxalate, etc.) |