| 257 / | HD | ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) |
| 678 | DF | HOUSING OR PACKAGE {18} |
| 690 | ![]() | .~ With contact or lead {4} |
| 691 | DF | .~.~> Having power distribution means (e.g., bus structure) |
| 692 | DF | .~.~> With particular lead geometry {1} |
| 698 | DF | .~.~> With specific electrical feedthrough structure {1} |
| 700 | DF | .~.~> Multiple contact layers separated from each other by insulator means and forming part of a package of housing (e.g., plural ceramic layer package) |