US PATENT SUBCLASS 438 / 54
.~ Thermally responsive

Current as of: June, 1999
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438 /   HD   SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS

48  DF  MAKING DEVICE OR CIRCUIT RESPONSIVE TO NONELECTRICAL SIGNAL {5}
54.~ Thermally responsive {1}
55  DF  .~.~> Packaging (e.g., with mounting, encapsulating, etc.) or treatment of packaged semiconductor

DEFINITION

Classification: 438/54

Thermally responsive:

(under subclass 48) Process for making a device or circuit responsive to the temperature proximate the device.

(1) Note. Processes of making devices which vary in electrical properties at various temperatures of operation are not deemed to be responsive to thermal stimuli for the purposes of this subclass.

SEE OR SEARCH CLASS

136, Batteries: Thermoelectric and Photoelectric,

200, for a process of using a thermoelectric device for generating electrical current.

257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes),

108, 225, 252, and 467 through 470 for a device responsive to temperature.