摘要:
In the field of sensor fabrication, it is known to form a silicon-on-insulator starting structure from which fabrication of the sensor based. The present invention provides a method of forming a silicon-on-insulator structure comprising a substrate having an insulating layer patterned thereon. A silicon oxide layer is then deposited over the patterned insulating layer before silicon is grown over both an exposed surface of the substrate as well as the silicon oxide layer, mono-crystalline silicon forming on the exposed parts of the substrate and polysilicon forming on the silicon oxide layer. After depositing a capping layer over the structure, the wafer is heated, whereby the polysilicon re-crystallises to form mono-crystalline silicon, resulting in the insulating layer being buried beneath mono-crystalline silicon.
摘要:
Microfluidic system comprising a space for containing a liquid and at least one lateral chamber in communication with said space, said lateral chamber containing a metal electrode. The lateral chamber and the space are designed to be filled by the same or different liquid when the system is active.
摘要:
A vertical power transistor device comprises: a substrate formed from a III-V semiconductor material and a multi-layer stack at least partially accommodated in the substrate. The multi-layer stack comprises: a semi-insulating layer disposed adjacent the substrate and a first layer formed from a first III-V semiconductor material and disposed adjacent the semi-insulating layer. The multi-layer stack also comprises a second layer formed from a second III-V semiconductor material disposed adjacent the first layer and a heterojunction is formed at an interface of the first and second layers.
摘要:
An over-current protection circuit including, a current supply switch with a first terminal coupled to a supply current input and with a second terminal coupled to a supply current output. The current supply switch is switchable at least between an on-state, in which the current supply switch provides a conductive connection between the first terminal and the second terminal, and an off-state, in which the current supply switch interrupts the conductive connection between the first terminal and the second terminal. The over-current protection circuit receives a supply current via the supply current input and provides the supply current via the supply current output if the switch is in the on-state. The current supply switch includes a High Electron Mobility Transistor.
摘要:
A device includes a semiconductor substrate having a surface with a trench, first and second conduction terminals supported by the semiconductor substrate, a control electrode supported by the semiconductor substrate between the first and second conduction terminals and configured to control flow of charge carriers during operation between the first and second conduction terminals, and a Faraday shield supported by the semiconductor substrate and disposed between the control electrode and the second conduction terminal. At least a portion of the Faraday shield is disposed in the trench.
摘要:
The invention provides a multiplexed assay device comprising a reaction chamber and several sets of encoded microcarriers 2 wherein the reaction chamber is a microchannel 1 and wherein the longitudinal movement of the microcarriers 2 is restricted and wherein the microcarriers 2 have a shape in relation to the geometry of the microchannel 1 such that at least two can stand side by side in the microchannel 1 without touching each other and without touching the perimeter of the microchannel 1 and are preferably observable in the reaction chamber. Moreover, the invention provides a method for performing multiplexed assay based on microcarriers 2 that improves mass transfer, simplifies the preparation and the execution of the assay and facilitates readout of biological reactions and identity of microcarriers 2.
摘要:
A monolithic semiconductor structure includes a stack of layers. The stack includes a substrate; a first layer made from a first semiconductor material; and a second layer made from a second semiconductor material. The first layer is situated between the substrate and the second layer and at least one of the first semiconductor material and the second semiconductor material contains a III-nitride material. The structure includes a power transistor, including a body formed in the stack of layers; a first power terminal at a side of the first layer facing the second layer; a second power terminal at least partly formed in the substrate; and a gate structure for controlling the propagation through the body of electric signals between the first power terminal and the second power terminal. The structure further includes a vertical Schottky diode, including: an anode; a cathode including the substrate, and a Schottky barrier between the cathode and the anode, the Schottky barrier being situated between the substrate and a anode layer in the stack of layers.
摘要:
The invention provides a multiplexed assay device comprising a reaction chamber and several sets of encoded microcarriers 2 wherein the reaction chamber is a microchannel 1 and wherein the longitudinal movement of the microcarriers 2 is restricted and wherein the microcarriers 2 have a shape in relation to the geometry of the microchannel 1 such that at least two can stand side by side in the microchannel 1 without touching each other and without touching the perimeter of the microchannel 1 and are preferably observable in the reaction chamber. Moreover, the invention provides a method for performing multiplexed assay based on microcarriers 2 that improves mass transfer, simplifies the preparation and the execution of the assay and facilitates readout of biological reactions and identity of microcarriers 2.
摘要:
Described herein are microelectrode array devices, and methods of fabrication and use of the same, to provide highly localized and efficient electrical stimulation of a neurological target. The device includes multiple microelectrode elements arranged along an elongated probe shaft. The microelectrode elements are dimensioned and shaped so as to target individual neurons, groups of neurons, and neural tissue as may be located in an animal nervous system, such as deep within a human brain. Beneficially, the neurological probe can be used to facilitate location of the neurological target and remain implanted for long-term monitoring and/or stimulation.
摘要:
A monolithic semiconductor structure includes a stack of layers. The stack includes a substrate; a first layer made from a first semiconductor material; and a second layer made from a second semiconductor material. The first layer is situated between the substrate and the second layer and at least one of the first semiconductor material and the second semiconductor material contains a III-nitride material. The structure includes a power transistor, including a body formed in the stack of layers; a first power terminal at a side of the first layer facing the second layer; a second power terminal at least partly formed in the substrate; and a gate structure for controlling the propagation through the body of electric signals between the first power terminal and the second power terminal. The structure further includes a vertical Schottky diode, including: an anode; a cathode including the substrate, and a Schottky barrier between the cathode and the anode, the Schottky barrier being situated between the substrate and a anode layer in the stack of layers.