32results about How to "The turn-on current decreases" patented technology

The invention discloses a two-dimensional pilot-type electromagnetic cartridge valve. A torsion spring is installed between a shell boss column and an armature; the armature is rotatably arranged in astator; a valve sleeve is connected to the stator; a valve core can axially move and is arranged in the valve sleeve; the right side of the armature is a discoid shape with uniformly distributed external teeth, and the external teeth of the armature are matched with internal teeth of the stator; a first oil guide block and a second oil guide block are inserted into circular through holes of the disc; the center of the first oil guide block is provided with an oil guide flow passage along the axial direction; a stator flow passage communicates with a first high pressure hole of the valve sleeve through the oil guide flow passage, a valve sleeve flow passage, and a first annular groove; the armature is provided with a rectangular clamping groove along the axial direction, and is alternatelyprovided with high-pressure grooves and low-pressure holes; the left end of a first central flow passage in the center of the armature communicates with the low-pressure hole on the right side of thedisc, and the right end communicates with the low-pressure through hole; the valve sleeve flow passage communicates the first annular groove and the oil guide flow passage; the left end surface of the valve sleeve is provided with a low-pressure flow passage communicating with an oil return port along the axial direction; the valve sleeve is sequentially provided with the first annular groove, the oil return port, an oil outlet, and a radial through hole from left to right; and the right end surface of the valve sleeve is provided with an oil inlet.

The invention belongs to the technical field of semiconductor device manufacturing and particularly provides an integrated circuit integrating a U-shaped channel device and a fin-shaped channel device and a preparation method of the integrated circuit. A channel isolation structure with a doping well is formed in a semiconductor substrate; a polycrystalline silicon sacrificial gate electrode is formed on the doping well, and a source electrode and a drain electrode are formed on the two sides of the polycrystalline silicon sacrificial gate electrode respectively; the formed structure is covered, interlayer dielectrics are deposited, the polycrystalline silicon sacrificial gate electrode is exposed by means of polishing and then is etched, and the U-shaped channel device is formed in the semiconductor substrate by means of photoetching; a fin-shaped channel structure is formed in the semiconductor substrate by means of photoetching again, and then a gate dielectric layer and a gate electrode are formed, so that the fin-shaped channel device is formed. According to the method, the fin-shaped channel device can be integrated on a chip and serve as a high-performance device, and the U-shaped channel device can be integrated on the same chip and sever as a low-power-consumption device; as a result, a device with a big shape difference is obtained, a small turn-off current and a large turn-on current are obtained, and the performance of the chip is improved.

The invention provides a method of improving write-in redundancy of a static random access memory. The static random access memory comprises an input / output device and a core device, wherein the core device comprises a pull-up pipe device, the input / output device is used for inputting and outputting signals of a chip and a peripheral circuit, and the thickness of a grid electrode oxide layer of the input / output device is larger than that of the grid electrode oxide layer of the core device. The method of improving write-in redundancy of static random access memory comprises the step of: enabling the thickness of the grid electrode oxide layer of the pull-up pipe device to be larger than that of the grid electrode oxide layer of the core device, and enabling the thickness of the grid electrode oxide layer of the pull-up pipe device to be equal to that of the grid electrode oxide layer of the core device. For example, when the grid electrode oxide layer of the pull-up pipe device is prepared, the formerly generated grid electrode oxide layer for the input / output device is not moved so as to enable the grid electrode oxide layer of the input / output device to serve as the grid electrode oxide layer of the pull-up pipe device.

The invention discloses a starting device of a microwave oven. An ouput end of a magnetron of the microwave oven is connected to a base electrode of a triode TR9 through a first resistance R7. A collector of the triode TR9 is connected to a gate electrode of a silicon controlled rectifier SCR1 through a second resistance R51 and is connected to a power supply through a pull-up resistance. The positive and negative electrodes of the SCR1 are respectively connected to both ends of a load. The device also comprises: a magnetron starting unit to start the work of the SCR1 and to be set as a low level through the output end of the magnetron; a timing unit to start a timer after a voltage signal output from the magnetron reaches zero-crossing point, and to set a timing interrupted time according to the pulse width of the voltage; a load starting unit to set the magnetron output end as a high level at the timing interrupted time of the timer, and to start the load. The invention also provides a soft starting method the microwave oven. The invention can effectively reduce starting current of the microwave oven, which is simple and practical, low in cost.

The invention creatively discloses a bilaterally controlled excited pole-changing motor, which comprises an active magnetic control system lidesheng, a control port 1 of the active magnetic control system lidesheng, a control port 2 of the active magnetic control system lidesheng, a magnetic line direction 1, an S / N magnetic pole 1, an excitation solenoid 1, a stator solenoid, a lateral H-shaped magnetizer 1, an N / S magnetic pole 2, a magnetic line direction 2, a rotor rotating direction 1, an output port 1, a control port 4 of the active magnetic control system lidesheng, a control port 3 of the active magnetic control system lidesheng, a stator magnetizer 1, a magnetic line direction 3, an N / S magnetic pole 3, an excitation solenoid 2, a lateral H-shaped magnetizer 2, an S / N magnetic pole 4, a magnetic line direction 4, a rotor rotating direction 2, an output port 2 and the like, wherein the bilaterally controlled excited pole-changing motor comprises the excitation solenoid 1 (6), a lateral ring magnetizer 1 (2), the stator solenoid (7), a stator magnetizer (15), the excitation solenoid 2 (18), a lateral ring magnetizer 2 (19), the active magnetic control system lidesheng (14) and the like.

The invention discloses a method for improving static random access memory reading redundancy. The method comprises the following process: through a polycrystalline silicon pre-injection process for removing a control tube; the polycrystalline silicon doping concentration of the control tube is reduced, an equivalent resistance of the control tube is increased, and the random memory reading redundancy is increased. With the adoption of the method for improving static random access memory reading redundancy provided by the invention, the doping concentration of a polysilicon gate of the control tube is reduced effectively without carrying out pre-injection on a control tube area any longer, thereby a parasitic resistance of the polysilicon gate and the polysilicon gate use-up phenomenon are increased, a threshold voltage of the control tube is increased, a starting current is reduced, and at the same time the equivalent resistance of the control tube is increased; and during a reading process, the potential of a node 8 is reduced, thereby increasing the reading redundancy of the random access memory.

The invention creatively discloses an externally controlled pole-changing three-phase motor system. According to the externally controlled pole-changing three-phase motor system, built-in control information of an active magnetic control system lidesheng (14) is output via an active magnetic control system lidesheng control port 1 (9) and via an active magnetic control system lidesheng control port 2 (13) respectively and power supply of the excitation solenoid (1) is realized through an input port 1 (7) and an input port 2 (10) respectively; the excitation solenoid (1) is electrified to generate a polarized magnetic field with a variable N / S; the variable polarized magnetic field generated by the excitation solenoid (1) and a rotor synchronously cut a motor solenoid (3); the motor solenoid (3) subjected to cutting of magnetic lines of force generates a drive magnetic field; and a power supply input inputs three-phase electric energy through a power supply input port 1 (15), a power supply input port 2 (16), a power supply input port 3 (17), a power supply input port 4 (18), a power supply input port 5 (19) and a power supply input port 6 (20) respectively, so that the targets of changing of a rotating speed within a cycle and adjusting of the stability of a motor in a pole-changing manner are achieved.

The invention provides a method for improving the read redundancy of a static random access memory. The static random access memory comprises an input / output device and a core device, wherein the core device comprises a control tube device, the input / output device is used for inputting and outputting signals of a chip and a peripheral circuit, and the thickness of a gate oxide layer of the input / output device is more than that of a gate oxide layer of the core device. The method for improving the read redundancy of the static random access memory comprises: the thickness of a gate oxide layer of the control tube device is enabled to be more than that of gate oxide layers of the other core devices; and the thickness of the gate oxide layer of the control tube device can be enabled to be equal to the thickness of the gate oxide layer of the input / output device. For example, when the gate oxide layer of the control tube device is manufactured, the grown gate oxide layer for the input / output device is not removed, so that the control tube device finally uses the gate oxide layer of the input / output device as the gate oxide layer.

The creative invention discloses an internally-controlled excitation pole-changing motor. The internally-controlled excitation pole-changing motor is jointly composed of an excitation coil 1, an inner I-shaped magnetic conductor 2, a stator coil 3, an outer stator magnetic conductor 4 and an active magnetic control system lidesheng 14, wherein built-in control information of the active magnetic control system lidesheng 14 is used for supplying power to the excitation coil 1 respectively by output of a control port 1 of the active magnetic control system lidesheng 9 through an input port 7 and by output of a control port 2 of the active magnetic control system lidesheng 13 through an input port 10, the excitation coil 1 generates a polarized magnetic field with variable N / S after energization, the variable polarized magnetic field generated by the excitation coil and a rotor synchronously cut the stator coil 3, the stator coil 3 generates AC voltage by cutting magnetic lines, complete occlusion is output respectively through an output port 15 and an output port 16 to generate a cutting magnetic field, and thus, the purposes of speed regulation and driving by means of reverse cutting magnetic field are achieved.

The invention discloses a bilateral control excitation pole-changing three-phase motor. The bilateral control excitation pole-changing three-phase motor is characterized in an active magnetic control system lidesheng for the bilateral control excitation pole-changing three-phase motor, a control port 1 for the active magnetic control system lidesheng, a control port 2 for the active magnetic control system lidesheng, a magnetic line of force direction 1, an S / N magnetic pole 1, an excitation coil 1, a stator coil, an H-shaped magnetizer 1, an N / S magnetic pole 2, a magnetic line direction 2, a rotor rotation direction 1, an output port 1, a control port 4 for the active magnetic control system lidesheng, a control port 3 for the active magnetic control system lidesheng, a stator magnetizer, a magnetic line direction 3, an N / S magnetic pole 3, an excitation coil 2, an H-shaped magnetizer 2, an S / N magnetic pole 4, a magnetic line direction 4, a rotor rotation direction 2, an output port 2, an output port 3, an output port 4, an output port 5, an output port 6 and the like. The bilateral control excitation pole-changing three-phase motor comprises 6.the excitation coil 1, 8. the H-shaped magnetizer 1, 7. the stator coil, 15. the stator magnetizer and 18. the excitation coil 2, 19. the H-shaped magnetizer 2, and 14. the active magnetic control system lidesheng.

The invention discloses an external control excitation pole-changing three-phase motor. The external control excitation pole-changing three-phase motor comprises 1. excitation coils, 2. an annular magnetizer, 3. a stator coil, 4. an internal stator magnetizer and 14. an active magnetic control system lidesheng. The internal control information in 14. the active magnetic control system lidesheng is respectively output through 9. a control port 1 for the active magnetic control system lidesheng, and is output through 7. an input port 1 and 13. a control port 2 for the active magnetic control system lidesheng, and supplies power for 1. the excitation coils through 10. an input port 2; as the 1. excitation coils obtain power, an N / S changeable heteropolarity magnetic field is generated; a 3. stator coil is cut by the changeable heteropolarity magnetic field generated from the 1. excitation coils and a rotor; the 3. Stator coil generates AC voltage by means of cutting of a magnetic line; the AC voltage passes through 15. an output port 1 and 16. an ouput port 2; and by means of complete closing of 17. an output port 3, 18. an output port 4, 19. an output port 5 and 20. an output port 6, the magnetic field is cut so that speed adjusting and driving can be realized by means of reverse cutting of magnetic field.

The invention discloses a bilaterally controlled pole-changing motor system, which comprises an active magnetic control system lidesheng, a control port 1 of the active magnetic control system lidesheng, a control port 2 of the an active magnetic control system lidesheng, a magnetic line direction 1, an S / N magnetic pole 1, an excitation solenoid 1, an input solenoid, a lateral H-shaped magnetizer 1, an N / S magnetic pole 2, a magnetic line direction 2, a rotor rotating direction 1, a power supply input port 1, a control port 4 of the active magnetic control system lidesheng, a control port 3 of the active magnetic control system lidesheng, a motor magnetizer 1, a magnetic line direction 3, an N / S magnetic pole 3, an excitation solenoid 2, a lateral H-shaped magnetizer 2, an S / N magnetic pole 4, a magnetic line direction 4, a rotor rotating direction 2, a power supply input port 2 and the like, wherein the bilaterally controlled pole-changing motor system comprises the excitation solenoid 1 (6), a lateral ring magnetizer 1 (2), the input solenoid (7), a motor magnetizer (15), the excitation solenoid 2 (18), the lateral ring magnetizer 2 (19), the active magnetic control system lidesheng (14) and the like in common.

The invention creatively discloses a laterally controlled excited pole-changing motor. The laterally controlled excited pole-changing motor comprises an excitation solenoid (1), a lateral H-shaped magnetizer (2), a stator solenoid (3), a lateral stator magnetizer (4), an active magnetic control system lidesheng (14) and the like, wherein built-in control information of the active magnetic control system lidesheng (14) is output via an active magnetic control system lidesheng control port 1 (9) and via an active magnetic control system lidesheng control port 2 (13) respectively and power supply of the excitation solenoid (1) is realized through an input port 1 (7) and an input port 2 (10) respectively; the excitation solenoid (1) is electrified to generate a polarized magnetic field with a variable N / S; the variable polarized magnetic field generated by the excitation solenoid (1) and a rotor synchronously cut the stator solenoid (3); and the stator solenoid (3) subjected to cutting of magnetic lines of force generates alternating current voltage and outputs a cutting magnetic field which is generated by completed closure through an output port 1 (15) and an output port 2 (16) respectively. The targets of speed adjustment and driving are achieved by a reverse cutting magnetic field.

A straight-through dual-channel fuel gas injection valve comprises an electromagnetic coil and a movable iron core, wherein the upper and lower ends of the electromagnetic coil are respectively in seal fit with a fixed steel core and a nozzle; the top of the nozzle is in slide fit with the outer side wall of the movable iron core; a return spring is arranged between the movable iron ore and the fixed iron ore; a valve seat is coaxially arranged at the lower end of the nozzle; an auxiliary valve seat is coaxially arranged at the middle of the valve seat; the tops of the valve seat and the auxiliary valve seat are both in force fit with the bottom of the movable iron ore; a ring-shaped gas flow channel is formed between the upper end of the auxiliary valve seat and the inner side wall of the valve seat; an gas counterbore is formed in the bottom of the auxiliary valve seat; through holes are formed in the side wall of the gas counterbore, and communicate with the ring-shaped gas flow channel and the gas counterbore; an gas-inlet through hole is formed in the middle of the movable iron ore; the diameter of the gas-inlet through hole is smaller than that of the top of the auxiliary valve seat; and side gas holes are formed in the side part of the movable iron ore, and communicate with the gas-inlet through hole and a gas-inlet cavity formed in the middle of the nozzle. The straight-through dual-channel fuel gas injection valve provided by the invention is not only small in opening force and low in firing current, but also high in response speed and long in service life.

The invention creatively discloses a bilaterally controlled pole-changing three-phase motor system, which comprises an active magnetic control system lidesheng, a control port 1 of the active magnetic control system lidesheng, a control port 2 of the active magnetic control system lidesheng, a magnetic line direction 1, an S / N magnetic pole 1, an excitation solenoid 1, an input solenoid, a lateral H-shaped magnetizer 1, an N / S magnetic pole 2, a magnetic line direction 2, a rotor rotating direction 1, a power supply input port 1, a control port 4 of the active magnetic control system lidesheng, a control port 3 of the active magnetic control system lidesheng, a motor magnetizer 1, a magnetic line direction 3, an N / S magnetic pole 3, an excitation solenoid 2, a lateral H-shaped magnetizer 2, an S / N magnetic pole 4, a magnetic line direction 4, a rotor rotating direction 2, a power supply input port 2, a power supply input port 3, a power supply input port 4 (25), a power supply input port 5, a power supply input port 6 and the like.

A method for improving the write redundancy of SRAM, comprising: step S1: before the polysilicon gate etching process, perform Group V elements on the gate of the NMOS device of the control transistor and the gate of the NMOS device of the pull-down transistor Pre-implantation; step S2: pre-implantation of Group V elements on the gate of the PMOS device of the pull-up transistor. In the present invention, the gate of the NMOS device is pre-implanted with Group V elements to adjust the threshold voltage of the CMOS device and the turn-on current; the gate of the PMOS device of the pull-up transistor is pre-implanted with Group V elements, so that the The relative doping concentration of the polysilicon gate is reduced, thereby increasing the parasitic resistance of the polysilicon gate and the depletion phenomenon of the polysilicon gate, resulting in a decrease in the turn-on current of the pull-up transistor, thereby increasing the pull-up transistor during the writing process of the SRAM. The equivalent resistance reduces the potential of the second node and improves the writing redundancy of the SRAM.