Abstract:
An apparatus and method, the apparatus comprising: at least one electrode configured to provide an electrical connection to a channel (5) of two dimensional material, for example graphene, wherein the electrode comprises a conductive layer (7) and plurality of nanostructures (9), for example nanowires, wherein at least some of the nanostructures comprise a conductive core (11) and a coating of two dimensional material (13), the coating for example copmprising graphene. The device may be a sensing device and possibly quantum dots may overlay the channel (see Figure 6).
Abstract:
According to aspects of the present disclosure there is provided an apparatus and method for sensing. The apparatus comprisesa sensor circuit which comprises:a first output terminal, a second output terminal anda sensor that is provided in a bridge circuit arrangement. The sensor circuit is configured such that a sensor measurement can be determined based on a voltage difference between first and second output terminals. The apparatus is configured so as to prevent a current from being able to flow from the first output terminal through the sensor circuit to the second output terminal.
Abstract:
An apparatus and method comprising: a plurality of sensor elements wherein the sensor elements are configured to be actuated in response to exposure to a parameter and the apparatus is configured to record when each of the sensor elements are actuated wherein: the plurality of sensor elements comprises at least a first subset of sensor elements and at least a second subset of sensor elements where the first subset of sensor elements are actuated in response to a first level of exposure to a parameter and the second subset of sensor elements are actuated in response to a second level of exposure to a parameter.
Abstract:
An apparatus (207) comprising a proton battery (101) and a casing (208) for the proton battery, the proton battery comprising first and second electrodes (102, 103) configured to form an electrode junction (105) with one another at an interface thereof, the electrode junction configured to generate protons in the presence of water to produce a potential difference between the first and second electrodes, the proton battery further comprising respective charge collectors (104a, b) in contact with the first and second electrodes (102, 103); the casing (208) configured to inhibit exposure of the electrode junction (105) to water from the surrounding environment (106) when the proton battery is contained within the casing (208), the casing (208) comprising a pair of electrical terminals (209a, b) electrically connected (211) to the respective charge collectors (104a, b) of the proton battery such that the potential difference between the first and second electrodes (102, 103) can be used to power an external circuit, wherein the proton battery is formed as a continuous strip of material, and wherein the casing (208) comprises an opening configured to enable a length (210) of the continuous strip to be extracted from the casing (208) and exposed to water from the surrounding environment to produce the potential difference.
Abstract:
An apparatus and method wherein the apparatus comprises: a graphene field effect transistor comprising quantum dots (7) coupled to a graphene channel (5); wherein the graphene field effect transistor is configured to be illuminated by a pulse of electromagnetic radiation (9) and configured to be exposed to a sample (11) such that an output provided by the graphene field effect transistor, in response to the pulse of electromagnetic radiation, is dependent upon at least one analyte within the sample.
Abstract:
An apparatus for balancing a bridge circuit. An apparatus configured to: based on a measurement taken from a bridge circuit that forms a sensor element and that includes a resistive element having a first electrode and a second electrode and a channel, the channel formed between the first electrode and the second electrode and the resistive element arranged in one of at least two branches of a bridge circuit, provide for the physical modification of at least one of; the channel; a contact region between the first electrode and the channel; and a contact region between the second electrode and the channel; to modify the resistance of the resistive element to balance the bridge circuit for a predetermined stimuli applied to said sensor element.
Abstract:
An apparatus comprising: a module; a substrate; and electrolyte between the module and the substrate, wherein an electronic component is formed between the module and the substrate and wherein the electrolyte is configured to function as the electrolyte in the electronic component and also as the adhesive to attach the module to the substrate.
Abstract:
An apparatus and method wherein the apparatus comprises: a capacitive touch arrangement comprising a plurality of drive lines and a plurality of sense lines wherein the capacitive touch arrangement is provided in a first layer; and a sensor wherein the sensor is positioned in a second layer and configured to be capacitively coupled to at least one drive line and at least one sense line such that an output signal from the sensor can be measured using the at least one drive line and the at least one sense line.
Abstract:
An apparatus comprising: a flexible substrate; and an overhanging electronic component island, the electronic component island configured to be less flexible than the flexible substrate and comprising one or more electronic components, wherein the electronic component island comprises a substrate-face with a connection portion and an overhang portion, the connection portion being mechanically coupled to a surface of the flexible substrate via a single connection-support pad and the overhang portion configured to overhang and be substantially free of the underlying flexible substrate such that the underlying flexible substrate can be strained independently from the overhang portion under operational strains of the flexible substrate.
Abstract:
A method comprising forming a substrate scaffold structure for use in the fabrication of a reversibly deformable circuit board, the substrate scaffold structure comprising a predefined waveform topography onto which one or more scaffold-conforming thin film layers can be deposited for use in forming electronic circuit elements of the reversibly deformable circuit board, the waveform topography of the substrate scaffold structure predefined to facilitate operational reversible deformation of the circuit board.