| 257 / | HD | ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) |
| 213 | DF | FIELD EFFECT DEVICE {6} |
| 288 | DF | .~ Having insulated electrode (e.g., MOSFET, MOS diode) {17} |
| 314 | DF | .~.~ Variable threshold (e.g., floating gate memory device) {2} |
| 324 | DF | .~.~.~ Multiple insulator layers (e.g., MNOS structure) {2} |
| 326 | ![]() | .~.~.~.~ With additional, non-memory control electrode or channel portion (e.g., accessing field effect transistor structure) |