Abstract: The present invention discloses a multi-bit-per-cell three-dimensional resistive random-access memory (3D-RRAMMB). It comprises a plurality of RRAM cells stacked above a semiconductor substrate. Each RRAM cell comprises a RRAM layer, which is switched from a high-resistance state to a low-resistance state during programming. By adjusting the programming current, the programmed RRAMs have different resistances.

Abstract: Various foldable, or flexible, displays and associated methods are enabled. For instance, a screen comprises a first rigid display at a first end of a surface of a flexible substrate. A second rigid display is at a second end of the surface of the flexible substrate. A flexible display is on the surface of the flexible substrate, between the first rigid display and the second rigid display, wherein a first section of the flexible substrate underneath the flexible display is thicker than a second section of the flexible substrate underneath the first rigid display or the second rigid display, and the first rigid display and second rigid display, and flexible display are covered with a protective foldable layer.

Abstract: The invention relates to microfabrication technology for producing sensing cells, for use, for example, in molecular electronic transducer (MET) based seismometers devices. In some aspects, a method for fabricating a sensing element is provided. The method includes providing a first wafer including a first substrate, a second substrate, and a first insulating layer between therebetween, etching a first fluid throughhole through the first substrate, the first insulating layer, and the second substrate, and coating the first substrate and second substrate with a first and second conductive coating, respectively. The method also includes providing a second wafer including a third substrate, a fourth substrate, and a second insulating layer therebetween, etching a second fluid throughhole through the third substrate, the second insulating layer, and the fourth substrate, and coating the third substrate with a third conductive coating from top and the fourth substrate with a fourth conductive coating from back.

Abstract: The invention provides an electronic device that includes a first functional body, a second functional body, and at least one connection member connecting the first functional body to the second functional body. The at least one connection member has a spiral pattern, and is suspended in air to allow for stretching, flexing or compressing.

Abstract: A flexible electronic display is provided. The display includes a substrate having a plurality of rigid portions, at least one display circuit positioned on a surface of each of the plurality of rigid portions, and at least one flexible interconnect electrically connected to the at least one display circuit. The at least one interconnect is flexible such that each of the plurality of rigid portions may be folded or stretched relative to one another.

Abstract: The invention is directed to a flexible and stretchable battery which is formed of an assembly having anode side and a cathode side separated by a separator and sealed in a packaging. The assembly is in a folded configuration and contains at least one cut therein, such that when the assembly is unfolded and subjected to subsequent deformation, a final folded state of the battery is able to stretch beyond a flat planar state of the battery in all dimensions.

Abstract: The invention is drawn to a lithium-ion battery containing a packaging material, an anode current collector, an anode electrode, a separator, a cathode electrode, and a cathode current collector, wherein those components are layered to form a planar battery. The planar battery is folded using rigid origami, such as Miura folding, to yield a folded, deformable lithium-ion battery.

Abstract: Sensors for measuring rotation about an axis are disclosed, along with methods of making and using the same. The sensors can utilize ionic liquids and electrodes that provide a unique electrical signal at each angle of rotation about an axis. The sensors can include a solid structure with a channel that circumnavigates the axis, electrodes disposed within the channel, and an ionic liquid positioned within the channel.

Abstract: The invention is directed to an electronic device comprising a first functional body, a second functional body, and at least one serpentine interconnect connecting the first functional body to the second functional body, wherein the serpentine interconnect is suspended in air to allow for stretching, flexing or compression.

Abstract: The invention provides an electronic device that includes a first functional body, a second functional body, and at least one connection member connecting the first functional body to the second functional body. The at least one connection member has a spiral pattern, and is suspended in air to allow tor stretching, flexing or compressing.

Abstract: The invention is directed to a flexible and stretchable battery which is formed of an assembly having anode side and a cathode side separated by a separator and sealed in a packaging. The assembly is in a folded configuration and contains at least one cut therein, such that when the assembly is unfolded and subjected to subsequent deformation, a final folded state of the battery is able to stretch beyond a flat planar state of the battery in all dimensions.

Abstract: A dynamic and refreshable three-dimensional tactile display uses stimulus sensitive hydrogel blocks as pixels to create a touch surface with elevations from a two-dimensional optical image or from stored data. The movable three-dimensional tactiles are powerful in teaching Science, Technology, Engineering, and Mathematics (STEM) materials to visually impaired and blind students.

Abstract: An origami enabled manufacturing system. The system uses origami design principles to create functional materials, structures, devices and/or systems having an adjustable size and/or shape. An operational device can be coupled to a planar substrate shaped and sized to correspond to a desired origami shape of an origami pattern. A plurality of planar substrates can be coupled together by a plurality of connection members that corresponds to one or more crease of the origami pattern. An array of planar substrates can be formed that convert into a three dimensional structure with origami shape. The resulting three-dimensional structure provides smaller projection area, higher portability and deformability.

Abstract: The present invention discloses a three-dimensional one-time-programmable memory (3D-OTP) comprising an off-die address/data-translator (A/D-translator). It comprises at least a 3D-array die and at least a peripheral-circuit die. At least an A/D-translator of the 3D-OTP arrays is located on the peripheral-circuit die instead of the 3D-array die. The A/D-translator converts at least an address and/or data between logic and physical spaces.

Abstract: The disclosure discloses a method for information acquisition of a voice mailbox system. The method includes: when message information sent from a user of a communication sending end is received, an information characteristic of the message information is determined; whether a pre-stored information characteristic consistent with the determined information characteristic exists or not is analyzed; and when there exists the pre-stored information characteristic consistent with the determined information characteristic, information corresponding to the determined information characteristic is acquired from an information library, and the acquired information is pushed to a user of a communication receiving end. The disclosure also discloses a device for information acquisition of a voice mailbox system. Reasonable and effective analysis over the message information in the information library of the voice mailbox system is implemented.

Abstract: Sensors for measuring rotation about an axis are disclosed, along with methods of making and using the same. The sensors can utilize ionic liquids and electrodes that provide a unique electrical signal at each angle of rotation about an axis. The sensors can include a solid structure with a channel that circumnavigates the axis, electrodes disposed within the channel, and an ionic liquid positioned within the channel.

Abstract: A flexible, polymer-based biosensor deployable into the arterial system which can assess shear stress in the arterial geometry in the presence of time-varying component of blood flow. Also, a method of fabricating a biosensor which may be used for in vivo procedures, involving the sequential depositing onto a substrate of a silicon dioxide layer, a metal heating element on the silicon dioxide layer, and a biocompatible polymer on the heating element, followed by etching the polymer layer to provide holes to allow for electrode contact with the heating element. A second metal layer is then deposited to form electrodes, followed by a second biocompatible polymer layer to form the device structure and removing the fabricated biosensor from the substrate by etching the substrate. In addition, a method of determining intravascular shear stress by measuring the temperature, flow rate and pressure of a bodily fluid with a biocompatible biosensor is disclosed.

Abstract: The invention is drawn to a lithium-ion battery containing a packaging material, an anode current collector, an anode electrode, a separator, a cathode electrode, and a cathode current collector, wherein those components are layered to form a planar battery. The planar battery is folded using rigid origami, such as Miura folding, to yield a folded, deformable lithium-ion battery.

Abstract: The invention relates to microfabrication technology for producing sensing cells, for use, for example, in molecular electronic transducer (MET) based seismometers devices. In some aspects, a method for fabricating a sensing element is provided. The method includes providing a first wafer including a first substrate, a second substrate, and a first insulating layer between therebetween, etching a first fluid throughhole through the first substrate, the first insulating layer, and the second substrate, and coating the first substrate and second substrate with a first and second conductive coating, respectively. The method also includes providing a second wafer including a third substrate, a fourth substrate, and a second insulating layer therebetween, etching a second fluid throughhole through the third substrate, the second insulating layer, and the fourth substrate, and coating the third substrate with a third conductive coating from top and the fourth substrate with a fourth conductive coating from back.

Abstract: A flexible electronic display is provided. The display includes a substrate having a plurality of rigid portions, at least one display circuit positioned on a surface of each of the plurality of rigid portions, and at least one flexible interconnect electrically connected to the at least one display circuit. The at least one interconnect is flexible such that each of the plurality of rigid portions may be folded or stretched relative to one another.