| 257 / | HD | ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) |
| 734 | DF | COMBINED WITH ELECTRICAL CONTACT OR LEAD {14} |
| 741 | DF | .~ Of specified material other than unalloyed aluminum {10} |
| 750 | DF | .~.~ Layered {10} |
| 753 | ![]() | .~.~.~ With adhesion promoting means (e.g., layer of material) to promote adhesion of contact to an insulating layer |