| 257 / | HD | ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) |
| 499 | DF | INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS {9} |
| 506 | DF | .~ Including dielectric isolation means {7} |
| 526 | | .~.~ With bipolar transistor structure {1} |
| 527 | DF | .~.~.~> Sides of isolated semiconductor islands along major crystal planes (e.g., (111), (100) planes, etc.) |