Circular printed memory device with rotational detection
AssigneeXerox Corporation
InventorsChristopher David Blair, Markus R. Silvestri
Life of this patent
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Abstract
A circular printed memory device and a method for fabricating the circular printed memory device are disclosed. For example, the circular printed memory device includes a base substrate, a plurality of bottom electrodes arranged in a circular pattern on the base substrate, a ferroelectric layer on top of the plurality of bottom electrodes and a single top electrode on the ferroelectric layer that contacts each one of the plurality of bottom electrodes via the ferroelectric layer.
Claims20
A method for fabricating a circular printed memory device, comprising:
- providing a base substrate;
- applying a plurality of bottom electrodes in a circular pattern on the base substrate;
- applying a circular ferroelectric layer on top of the plurality of bottom electrodes;
- and
- applying a single top electrode on top of the ferroelectric layer, wherein the ferroelectric layer contacts each one of the plurality of bottom electrodes and the single top electrode.
A circular printed memory device, comprising:
- a base substrate;
- a plurality of bottom electrodes arranged in a circular pattern on the base substrate;
- a ferroelectric layer on coupled to the plurality of bottom electrodes;
- and
- a top electrode on the ferroelectric layer, wherein the ferroelectric layer contacts each one of the plurality of bottom electrodes and the top electrode.
A circular printed memory device, comprising:
- a flexible base substrate;
- a plurality of bottom electrodes arranged in a circular pattern on the flexible base substrate, wherein the circular pattern includes a single opening between two of the plurality of bottom electrodes having and a center opening in a center of the circular pattern, the single opening having a size approximately equal to a size of one of the plurality of bottom electrodes, wherein each one of the plurality of bottom electrodes comprises a circular contact and an extended member;
- a ferroelectric layer on top of the plurality of bottom electrodes;
- and
- a single top electrode on the ferroelectric layer, wherein the single top electrode comprises a ring, a center member and a perimeter member, wherein the ring, the center member and the perimeter member are a single continuous piece, wherein the perimeter member has an approximately same shape as the each one of the plurality of bottom electrodes, wherein the ring contacts the extended member of the each one of the plurality of bottom electrodes via the ferroelectric layer, the center member is located in the center opening and the perimeter member is located over the single opening.
Dependencies are inferred from the claim text.