Abstract: A biosensor device includes a substrate, a sensing transistor, an isolation layer and a main interface layer. The sensing transistor is formed on the substrate and including a bottom gate structure, a top gate structure and a semiconductor layer disposed between the bottom gate structure and the top gate structure. The bottom gate structure is electrically connected to the top gate structure. The isolation layer is formed on the sensing transistor for covering the sensing transistor, and includes a first opening. The main interface layer is disposed in the first opening for receiving biomolecules to be sensed. The main interface layer is electrically connected to the top gate structure.

Abstract: A biosensor device includes a substrate, a sensing transistor, an isolation layer and a main interface layer. The sensing transistor is formed on the substrate and including a bottom gate structure, a top gate structure and a semiconductor layer disposed between the bottom gate structure and the top gate structure. The bottom gate structure is electrically connected to the top gate structure. The isolation layer is formed on the sensing transistor for covering the sensing transistor, and includes a first opening. The main interface layer is disposed in the first opening for receiving biomolecules to be sensed. The main interface layer is electrically connected to the top gate structure.

Abstract: The invention provides a locomotive solid-state device and an implantable medical system having the same. The locomotive solid-state device comprises a substrate, a signal receiving unit and a micro-controller. On the substrate at least one electrode is formed, and the signal receiving unit receives a plurality of electrical signals. The micro-controller electrically controls the electrode, in which the voltage applied on each electrode according to the electrical signals received by the signal receiving unit, so that the locomotive solid-state device moves along at least one direction.

Abstract: An implantable electrical stimulation system for treating a nerve symptom, the system comprising an implantable device. The implantable devices includes a wave generator that is operable to generate a signal wave and a white noise, mix the signal wave and the white noise, and produce an electrical stimulating signal. The system further comprises an electrode unit located in close proximity to a target nerve and is operable to provide the electrical stimulating signal to the nerve. The system further comprises an external controlling device.

Abstract: A molecule sensor included in a molecule sensor device has a semiconductor substrate, a bottom gate, a source portion, a drain portion, and a nano-scale semiconductor wire. The bottom gate is for example a poly-silicon layer formed on the semiconductor substrate and electrically insulated from the semiconductor substrate. The source portion is formed on the semiconductor substrate and insulated from the semiconductor substrate. The drain portion is formed on the semiconductor substrate and insulated from the semiconductor substrate. The nano-scale semiconductor wire is connected between the source portion and the drain portion, formed on the bottom gate, insulated from the bottom gate, and has a decoration layer thereon for capturing a molecular. The source portion, drain portion, and nano-wire semiconductor wire are for example another poly-silicon layer. The bottom gate receives a specified voltage to change an amount of surface charge carriers of the nano-scale semiconductor wire.

Abstract: An implantable electrical stimulation system for treating a nerve symptom, the system comprising an implantable device. The implantable devices includes a wave generator that is operable to generate a signal wave and a white noise, mix the signal wave and the white noise, and produce an electrical stimulating signal. The system further comprises an electrode unit located in close proximity to a target nerve and is operable to provide the electrical stimulating signal to the nerve. The system further comprises an external controlling device.

Abstract: A drug-delivery chip and a method of fabricating the same are provided. The drug-delivery chip has a main body having at least one drug receiving space individually formed with an opening for storing drugs therein; a thin film for sealing up the at least one drug receiving space; a first conductive wire connecting to one end of the thin film; a second conductive wire connecting to another end of the thin film; a signal-receiving module for receiving actuated signals; and a control module for applying voltages to first and second wire conductive s according to the actuated signal, thereby generating heat to break off the thin film for the release of a drug or drugs received in the at least one drug receiving space.

Abstract: A dual mode RF transceiver is provided. The dual mode RF transceiver comprises an antenna, a differential low noise amplifier (LNA), a local oscillator and a dual mode differential mixer. The differential LNA receives an RF signal from the antenna to generate a differential amplified RF signal. The dual mode differential mixer comprises a switch module, a plurality of fundamental mixers and a plurality of sub-harmonic mixers. The fundamental mixers are activated in a first receiving mode to generate a first differential baseband signal according to a multiphase local oscillating (LO) signal from the local oscillator and the differential amplified RF signal. The sub-harmonic mixers are activated in a second receiving mode to generate a second differential baseband signal according to the multiphase LO signal from the local oscillator and the differential amplified RF signal. An RF signal receiving method is disclosed herein as well.

Abstract: A drug-delivery chip and a method of fabricating the same are provided. The drug-delivery chip has a main body having at least one drug receiving space individually formed with an opening for storing drugs therein; a thin film for sealing up the at least one drug receiving space; a first conductive wire connecting to one end of the thin film; a second conductive wire connecting to another end of the thin film; a signal-receiving module for receiving actuated signals; and a control module for applying voltages to first and second wire conductive s according to the actuated signal, thereby generating heat to break off the thin film for the release of a drug or drugs received in the at least one drug receiving space.

Abstract: The present invention relates to a PLL circuit and an associated method that allows the PLL circuit to operate at a higher operating frequency with a wider bandwidth and a better out-band noise suppression. The PLL circuit comprises a delay locked loop (DLL), a phase-frequency detector (PFD), a loop filter, a voltage controlled oscillator (VCO) and a frequency divider.

Abstract: This invention is primarily a circuit structure of self-mixing receiver, and the methodology of circuit structure is described as follows. The first stage is a high input impedance voltage amplifier utilized to amplify the received RF carrier signal from the antenna. Besides, there are no any inductors required. The second stage is a multi-stage amplifier to amplify the output signal of first stage to rail-to-rail level, which is quite the same with supply voltage. The third stage is a mixer adopted to lower the signal frequency. The fourth stage is a digital output converter, which is proposed to demodulate the electric signals and convert the demodulated signal to digital signal.

Abstract: This invention provides a voltage-controlled oscillator, comprising a first voltage-controlled oscillator circuit and a second voltage-controlled oscillator circuit. The first voltage-controlled oscillator circuit comprises a plurality of inductors, a plurality of variable capacitors, and a plurality of MOS transistors. The circuit configuration of the second voltage-controlled oscillator circuit is symmetrical to that of the first voltage-controlled oscillator circuit. The inductors of the first voltage-controlled oscillator circuit are cross-coupled to the inductors of the second voltage-controlled oscillator circuit.

Abstract: This invention provides a voltage-controlled oscillator, comprising a first voltage-controlled oscillator circuit and a second voltage-controlled oscillator circuit. The first voltage-controlled oscillator circuit comprises a plurality of inductors, a plurality of variable capacitors, and a plurality of MOS transistors. The circuit configuration of the second voltage-controlled oscillator circuit is symmetrical to that of the first voltage-controlled oscillator circuit. The inductors of the first voltage-controlled oscillator circuit are cross-coupled to the inductors of the second voltage-controlled oscillator circuit.

Abstract: The invention includes a harmonic suppression circuit, an injection-locked frequency divider circuit (ILFD) and associated methods. The harmonic suppression circuit comprises a source voltage, two suppression modules, two input terminals, two smoothed output terminals and a ground. The ILFD comprises a ground, an input transistor, an input terminal, two divider legs, two output terminals and a source voltage. The associated method to improve harmonic suppression comprises acts of synthesizing differential-phase signals and simultaneously suppressing second harmonics of in-phase signals. The method to extent an ILFD's locking range comprises acts of decreasing quality factor while keeping resonance frequency constant.

Abstract: A personal case history processing system writes health relevant data generated by a medical equipment into a data chip or supplies the health relevant data in the data chip to the medical equipment through a data reading/writing device or directly to the medical equipment by performing transmission of the health relevant data between the data chip and the corresponding data reading/writing device and/or the medical equipment, wherein the data chip may be connected to an IC card or a portable data processing device. Accordingly, personal transmission, reading/writing and access of the health relevant data may be realized.

Abstract: A dual mode RF transceiver is provided. The dual mode RF transceiver comprises an antenna, a differential low noise amplifier (LNA), a local oscillator and a dual mode differential mixer. The differential LNA receives an RF signal from the antenna to generate a differential amplified RF signal. The dual mode differential mixer comprises a switch module, a plurality of fundamental mixers and a plurality of sub-harmonic mixers. The fundamental mixers are activated in a first receiving mode to generate a first differential baseband signal according to a multiphase local oscillating (LO) signal from the local oscillator and the differential amplified RF signal. The sub-harmonic mixers are activated in a second receiving mode to generate a second differential baseband signal according to the multiphase LO signal from the local oscillator and the differential amplified RF signal. An RF signal receiving method is disclosed herein as well.

Abstract: The present invention relates to an intra-body communication (IBC) device and a method of implementing the IBC device. The IBC device is fabricated as a system-on-a-chip (SOC) and comprises a first electrode, a second electrode, an IBC module and a biomedical chip. The first electrode is connected to a patient's skin. The second electrode is connected to the patient's skin. The IBC module is connected to the first electrode and comprises a wireless communication device. The biomedical chip is connected to the second electrode and communicates with the IBC module through the patient's skin to receive external commands and transmit sensed biomedical parameters to a faraway location.

Abstract: Disclosed herein is an implantable electrical stimulator which includes two stimulating electrodes, a system-on-chip and an inductive coil. The system-on-chip can apply electric stimulation to the dorsal root ganglion via the stimulating electrodes. An external power supply can wirelessly charge the system-on-chip through the inductive coil.

Abstract: The present invention relates a low noise amplifier with adaptive frequency responses and method of altering frequency responses thereof. The low noise amplifier comprises an inductive degeneration circuit, N cascode circuits and N switches. The inductive degeneration circuit has an input impedance and a frequency response characteristic. Each of the cascode circuits is connected in parallel to the inductive degeneration circuit. Each of the switches is connected to a corresponding cascode circuit respectively. Each of the cascode circuit is turned ON or OFF by enabling or disabling the corresponding switches to alter the frequency response characteristic.

Abstract: The present invention relates to a method for treating a nervous symptom or condition in a subject with a pulsed-radiofrequency stimulation system with a low voltage to overcome the disadvantages of the known related stimulation systems.