257 / | HD | ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) |
414 | DF | RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) {4} |
428 | DF | .~ Electromagnetic or particle radiation {2} |
431 | DF | .~.~ Light {15} |
433 | .~.~.~ With housing or encapsulation {1} | |
434 | DF | .~.~.~.~> With window means |