Liquid electrochemical memory device
AssigneeImec Vzw
InventorMaarten Rosmeulen
Life of this patent
Estimating the term…
Abstract
A liquid electrochemical memory device is provided. In one aspect, the device includes a memory region for storing at least two bits, the memory region having a first volume; and a liquid electrolyte region fluidically connected to the memory region, the liquid electrolyte region having a second volume larger than the first volume. The device further includes a working electrode exposed to the memory region, and a counter electrode exposed to the liquid electrolyte region. The device also includes an electrolyte filling the memory region and the liquid electrolyte region, in physical contact with the working electrode and the counter electrode, the electrolyte including at least two conductive species. The device further includes a control unit for biasing the working electrode and the counter electrode.
Claims20
A liquid electrochemical memory device comprising:
- a memory region configured to store at least two bits, the memory region having a first volume;
- a liquid electrolyte region fluidically connected to the memory region, the liquid electrolyte region having a second volume larger than the first volume;
- a working electrode exposed to the memory region;
- a counter electrode exposed to the liquid electrolyte region;
- an electrolyte filling the memory region and the liquid electrolyte region, in physical contact with the working electrode and the counter electrode, the electrolyte comprising at least two conductive species;
- and
- a control unit configured to bias the working electrode and the counter electrode, wherein the counter electrode comprises the at least two conductive species.
A method of producing a liquid electrochemical memory device, the method comprising:
- providing a memory region configured to store at least two bits, the memory region having a first volume;
- exposing a working electrode to the memory region;
- providing a liquid electrolyte region fluidically connected to the memory region, the liquid electrolyte region having a second volume larger than the first volume;
- exposing a counter electrode to the liquid electrolyte region;
- providing an electrolyte in the memory region and in the liquid electrolyte region, the electrolyte comprising at least two conductive species;
- and
- providing a control unit configured to bias the working electrode and the counter electrode, wherein the counter electrode comprises the at least two conductive species.
A liquid electrochemical memory device comprising:
- a plurality of memory regions, each of the plurality of memory regions configured to store at least two bits, each of the plurality of memory regions having a first volume;
- a single liquid electrolyte region fluidically connected to the plurality of memory regions, the single liquid electrolyte region having a second volume larger than the first volume;
- a corresponding number of working electrodes, each exposed to a different memory region;
- a counter electrode exposed to the single liquid electrolyte region;
- an electrolyte filling the plurality of memory regions and the single liquid electrolyte region, in physical contact with the working electrodes and the counter electrode, the electrolyte comprising at least two conductive species;
- and
- a control unit configured to bias the working electrodes and the counter electrode.
A liquid electrochemical memory device comprising:
- a memory region for storing at least two bits, the memory region having a first volume;
- a liquid electrolyte region fluidically connected to the memory region, the liquid electrolyte region having a second volume larger than the first volume;
- a working electrode exposed to the memory region;
- a counter electrode exposed to the liquid electrolyte region;
- an electrolyte filling the memory region and the liquid electrolyte region, in physical contact with the working electrode and the counter electrode, the electrolyte comprising at least two conductive species;
- a control unit configured to bias the working electrode and the counter electrode;
- and
- a barrier between the counter electrode and the working electrode, wherein the barrier is permeable to at least one ion and not permeable to another ion.
Dependencies are inferred from the claim text.