US PATENT SUBCLASS 438 / 90
.~.~ Including storage of electrical charge in substrate

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}
57  DF  .~ Responsive to electromagnetic radiation {22}
90.~.~ Including storage of electrical charge in substrate

DEFINITION

Classification: 438/90

Including storage of electrical charge in substrate:

(under subclass 57) Process for making a device responsive to electromagnetic radiation having a step of storing electrical charge in a region of the semiconductor substrate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

19, for a process of making a semiconductor electrical device having formed therewith an integral battery or power source.