US PATENT SUBCLASS 365 / 185.01
FLOATING GATE

Current as of: June, 1999
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365 /   HD   STATIC INFORMATION STORAGE AND RETRIEVAL

185.01FLOATING GATE {5}
185.02  DF  .~> Disturbance control
185.03  DF  .~> Multiple values (e.g., analog)
185.04  DF  .~> Data security
185.05  DF  .~> Particular connection {9}
185.18  DF  .~> Particular biasing {9}

DEFINITION

Classification: 365/185.01

FLOATING GATE:

(under the class definition) Subject matter wherein a device stores and retrieves information from a conductive insulated gate that indefinitely holds an amount of charge having a specific polarity, and it is electrically insulated and isolated from other parts of the device.

(1) Note. A floating gate array usually has, at least, a second control gate that may be connected to the word (row address) line for the inducement of an operative control potential during operation.

SEE OR SEARCH CLASS

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

314, for a substructure floating gate memory device having a variable threshold (e.g., by storage of charge in an insulator layer adjacent to a channel).