| 257 / | HD | ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) |
| 499 | DF | INTEGRATED CIRCUIT STRUCTURE WITH ELECTRICALLY ISOLATED COMPONENTS {9} |
| 528 | DF | .~ Passive components in ICs {4} |
| 536 | DF | .~.~ Including resistive element {2} |
| 539 | | .~.~.~ Combined with bipolar transistor {4} |
| 540 | DF | .~.~.~.~> With compensation for non-linearity (e.g., dynamic isolation pocket bias) |
| 541 | DF | .~.~.~.~> Pinch resistor |
| 542 | DF | .~.~.~.~> Resistor has same doping as emitter or collector of bipolar transistor |
| 543 | DF | .~.~.~.~> Lightly doped junction isolated resistor (e.g., ion implanted resistor) |