12results about How to "Good voltage stabilization effect" patented technology

The embodiment of the invention relates to the field of semiconductors, and provides a semiconductor structure and a preparation method thereof, and the semiconductor structure comprises a substrate which comprises a device layer, an embedded power rail and a silicon through hole, and the silicon through hole is connected with the device layer through the embedded power rail; the power supply network layer is arranged on the substrate, the power supply network layer comprises at least one layer of first power supply array and at least one layer of second power supply array, and the first power supply array is connected with the embedded power supply rail through a silicon through hole; and the capacitor structure is arranged between the first power supply array and the second power supply array and is respectively connected with the first power supply array and the second power supply array through a lower electrode and an upper electrode of the capacitor structure.

The application discloses an embedded voltage-stabilized heat-dissipation PCB structure with a thermoelectricity synergic regulation layer and a preparation method thereof. The structure comprises at least one PCB inner layer and a chip power supply pad arranged on the inner layer, and a ring-shaped or C-shaped thermoelectric material pattern (ZT>0.5 at room temperature) is embedded in a region corresponding to the chip power supply pad directly below the inner layer. A first end of the thermoelectric material pattern is electrically connected to a power supply layer, and a second end is electrically connected to a grounding layer or a heat-dissipation through hole. The application utilizes the temperature difference during the operation of a chip to drive the thermoelectric material to generate a reverse electromotive force to inhibit power supply ripple, and simultaneously utilizes the Peltier effect to actively pump heat, so that the inner layer is integrated with voltage stabilization and heat dissipation. The power supply ripple can be reduced by 25% to 42% and the surface temperature of the chip can be reduced by 11 DEG C to 14 DEG C by using the PCB structure. The application directly integrates the thermoelectric function in the PCB inner layer, does not occupy the surface layer area, and is suitable for the packaging substrate of high-performance computing chips.

The embodiment of the present disclosure relates to the semiconductor field, and provides a semiconductor structure and a preparation method thereof, which comprises: a substrate comprising a device layer, a buried power supply track and a through silicon via, the through silicon via being connected with the device layer through the buried power supply track; a power supply network layer arranged on the substrate, the power supply network layer comprising at least one layer of a first power supply array and at least one layer of a second power supply array, the first power supply array being connected with the buried power supply track through the through silicon via; and a capacitor structure arranged between the first power supply array and the second power supply array and connected with the first power supply array and the second power supply array through a lower electrode and an upper electrode of the capacitor structure respectively.

The present invention discloses an array substrate with a high capacitance structure and a manufacturing method thereof, wherein the method comprises the following steps: manufacturing a buffer layer on the array substrate; manufacturing a hole on the buffer layer; manufacturing a first electrode in the hole; manufacturing a first electrode insulating layer covering the first electrode in the hole; manufacturing a second electrode on the first electrode insulating layer in the hole, and manufacturing a second electrode insulating layer covering the second electrode in the hole; manufacturing a third electrode on the second insulating layer in the hole; and further arranging a thin film field effect transistor on the buffer layer outside the hole; the thin film field effect transistor with a high capacitance structure is manufactured by this scheme, and the circuit driven by the high capacitance structure has a better voltage stabilizing effect, can increase the capacitance of the storage capacitor while reducing the occupied area of ​​the capacitor, and also has the advantages of increasing the pixel density (ppi) of the panel and reducing the size of the panel frame.

The utility model discloses a double-pipeline centralized gas supply system of a ball mill. The system consists of at least one ball mill unit, a gas source system unit, a main pipeline unit, a branch pipeline unit and a PLC (Programmable Logic Controller), the air source system unit supplies air to a pneumatic clutch and a gear lubricating device in the ball mill unit; the system comprises a first air compressor, a second air compressor and a third air compressor, the first air compressor is connected with a first air storage tank through a first air source pipeline, the first air source pipeline is connected with a first pressure transmitter and a first electric ball valve, and the second air compressor is connected with a second air storage tank through a second air source pipeline. A second air source pipeline is connected with a second pressure transmitter and a second electric ball valve, and a third air compressor is connected with a third pressure transmitter; and the PLC is connected with each electric control component in the gas source system unit and the branch pipeline unit through cables. The utility model has the advantages of compact arrangement of connecting pipelines, high air supply efficiency, obvious energy-saving effect and good pressure stabilizing effect, and can ensure the efficient and stable operation of the ball mill.

The application is suitable for the field of silicon-based radio frequency and millimeter wave integrated circuit technology, and provides a satellite distributed configuration numerical control unit, a micro single sheet and an antenna unit, which comprises a decoupling capacitor module, a main control module and a distributed satellite module; the positive electrode of the decoupling capacitor module and the power supply pin of the main control module are connected with the power supply pin of the numerical control unit, and the negative electrode of the decoupling capacitor module and the ground pin of the main control module are connected with the ground pin of the numerical control unit; the distributed satellite module comprises a first satellite sub-module, a second satellite sub-module, a third satellite sub-module and a fourth satellite sub-module, and the connection mode of the first satellite sub-module with the main control module, the connection mode of the second satellite sub-module with the main control module, the connection mode of the third satellite sub-module with the main control module and the connection mode of the fourth satellite sub-module with the main control module are the same. The numerical control unit has the bandwidth universality suitable for various microwave bands and the universality suitable for various semiconductor manufacturing processes.

The present application provides a spiral airtight method for surgery, which is applicable to a puncture member having an air inlet through hole and an operating through hole that are independent of each other, the puncture member is also provided with an air delivery hole and an exhaust hole both connected to the operating through hole, a drainage body is provided in the operating through hole, and the sealing method includes: while maintaining the state of inflating the abdominal cavity with the air inlet through hole, opening the proximal end of the operating through hole, the air delivery hole and the exhaust hole, using the air delivery hole to introduce gas into the operating through hole, and the gas forms a spiral wind curtain in the operating through hole under the guiding effect of the drainage body to block the gas in the operating through hole from escaping; under the effect of the spiral wind curtain, the gas entering the operating through hole from the abdominal cavity is suppressed in the abdominal cavity. The abdominal cavity pressure is stable, which is conducive to surgery.

The embodiment of the utility model provides a power conversion circuit and a power strip. The power conversion circuit comprises an input circuit; the input end of the rectifying circuit is coupled with the input circuit; the first end of the primary coil is coupled with the output end of the rectifying circuit; a first power supply input end of the power supply chip is coupled with the first end, a sixth end is coupled with the first power supply input end, and a first grounding end is grounded; the sixth end is connected with the feedback end; the output circuit comprises a power supply output end and a second grounding end; the energy storage filtering unit is coupled between the power supply output end and the second grounding end; the second power input end is coupled to the fifth end; the second power supply input end is coupled to the power supply output end; the self-control switch unit connects and disconnects the second power supply input end and the second grounding end based on the voltage difference. According to the utility model, accurate regulation and control of the output voltage are realized by utilizing multiple transformation of the transformer and cooperating with a feedback control mechanism of the power supply chip. The on-off state of the self-control switch unit is automatically adjusted, and it is ensured that when the load changes or the power supply fluctuates, the output voltage can still be kept stable.

The high-pressure erosion-resistant check valve relates to the technical field of check valves and comprises a valve body, a valve cavity is formed in the center of the valve body, a valve element is slidably connected to one side of the valve cavity, and a first spring is connected between the valve element and the inner wall of the valve cavity; the pressure regulating piece is slidably connected to the other side of the valve cavity, a fluid channel is formed in the center of the pressure regulating piece, and the end of the valve element is connected to one end of the fluid channel in a sealed mode. According to the check valve, the first spring is connected with the valve element, the one-way conduction function of the check valve is effectively achieved, and the reset capacity of the valve element is improved; the pressure adjusting part is arranged in the valve cavity, the position of the pressure adjusting part is automatically adjusted according to the pressure in the valve cavity, the elastic force of the first spring acting on the valve element is changed, then the gap between the valve element and the pressure adjusting part is adjusted, pressure adjustment and compensation are achieved when fluid flows out of the valve cavity, the pressure stabilizing effect of the check valve is improved, and the check valve is effectively suitable for the high-pressure environment during oil exploitation.

The invention relates to the field of display devices, and provides a gate drive circuit and a display device.The gate drive circuit is provided with cascaded shift register units, each shift register unit comprises eight transistors, two capacitors, a signal input end, a signal output end and three time sequence control ends, and the first transistor is of a double-gate structure. According to the invention, the plurality of transistors are respectively controlled by adopting the multi-time sequence control signals, so that the accurate control of the gate signals is realized. The bigrid transistor in the shift register unit can flexibly respond to the change of a time sequence control signal and an input signal, so that a signal transmission path is accurately switched at different moments, and the time sequence accuracy of grid driving is ensured. The gate drive circuit can stably work in the high-resolution display device, normal turn-on and turn-off of the transistor are ensured, the transmission efficiency and time sequence stability of a gate signal are effectively improved, and finally higher image display quality is achieved.

The invention discloses an amplifier gate-source voltage stabilizing circuit based on diode parallel connection. The amplifier gate-source voltage stabilizing circuit comprises a multi-stage radio frequency amplifier, a bias resistance circuit connected with the multi-stage radio frequency amplifier in parallel, a diode series branch and a negative feedback circuit connected with a transistor source electrode of the multi-stage radio frequency amplifier. The gate-source voltage stabilization is realized by using the non-linear relationship between the diode resistance and the voltage in the diode series branch and the voltage division characteristic of the negative feedback circuit. By utilizing the characteristic that the diode resistor changes along with the voltage and combining the negative feedback resistor of the source electrode, the bias partial voltage of the grid electrode of the transistor and the voltage change of the power supply are in a non-linear relationship, so that the grid-source voltage is stable, and the gain stability of the radio-frequency amplifier circuit is improved.

The utility model relates to a pressure and flow stabilizing device for an annular heating system, which comprises a pressure and flow stabilizing device body, a water inlet pipe fixedly communicated with the left side of the pressure and flow stabilizing device body and a water outlet pipe fixedly communicated with the right side of the pressure and flow stabilizing device body, a pressure stabilizing assembly is arranged in the pressure stabilizing and flow stabilizing device body, the buffering assembly comprises a sleeve fixedly installed on the inner wall of the pressure stabilizing and flow stabilizing device body and a filter screen arranged in the pressure stabilizing and flow stabilizing device body, and an installation frame is fixedly installed in the sleeve. According to the pressure and flow stabilizing device for the annular heating system, by arranging a reset spring and a connecting rod, the pressure of water flow is buffered after the filter screen is impacted by the water flow, under the elastic acting force of the reset spring, the pressure in a pipeline is reduced, the stability of the water flow is kept, and by arranging a sliding block, the stability of left-right movement of the filter screen is improved; and the advantage of high practicability is achieved.