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

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 discloses a soft starting method of a microwave oven, for a microwave oven control circuit output by silicon control magnetron microwave, comprising: setting an output end as a low level when starting the magnetron to work; starting a timer after detecting that output voltage signal of the magnetron reaches a crossover point, and setting timing interrupting time according to pulse width of the voltage; setting the output end of the magnetron as a high level at the timing breakout point of the timer, starting a load. The invention also provides a starting device of the microwave oven. The invention can effectively reduce starting current of the microwave oven, which is simple and practical, low in cost.

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 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 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 creatively discloses an externally controlled pole-changing motor system, which comprises an excitation solenoid (1), an outer ring magnetizer (2), a motor solenoid (3), an inner motor magnetizer (4), an active magnetic control system lidesheng (14) and the like in common, wherein built-in control information of the active magnetic control system lidesheng (14) is output through a control port 1 of an active magnetic control system lidesheng (9), is output through an input port 1 (7) and a control port 2 of an active magnetic control system lidesheng (13), and supplies electricity to the excitation solenoid (1) through an input port 2 (10); the excitation solenoid (1) is electrified to generate a polar magnetic field with a variable N / S; the variable polar magnetic field generated by the excitation solenoid (1) and a rotor synchronously cut the motor solenoid (3); the motor solenoid (3) generates a drive magnetic field by a cutting magnetic line; and a power supply input inputs electric energy through a power supply input port 1 (15) and a power supply input port 2 (16) 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 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 an 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 output solenoid (3) subjected to cutting of magnetic lines of force generates a driving 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), 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 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 an externally controlled excitation pole-changing motor. The externally controlled excitation pole-changing motor includes 1 an excitation solenoid, 2 an external circular magnetizer, 3 a stator solenoid, 4 an inner stator magnetizer, and 14 an active magnetic control system lidesheng. The built-in control information of 14 the active magnetic control system lidesheng is output via 9 an active magnetic control system lidesheng control port 1 and input via 7 an input port 1 and output via 13 an active magnetic control system lidesheng control port 2 and input via 10 an input port 2 to supply power to 1 the excitation solenoid, 1 the excitation solenoid is electrified to generate an N / S variable heteropolar magnetic field, the variable heteropolar magnetic field generated by the 1 excitation solenoid and the rotor synchronously cut 3 the stator solenoid, 3 the stator solenoid cut magnetic line generates AC voltage to be output via 15 an output port 1 and 16 an output port 2 to realize complete closing to generate a cutting magnetic field. The aim of speed and driving adjustment is realized by a reverse cutting magnetic field.

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 discloses a side-control pole-changing motor system. The side-control pole-changing motor system is composed of an excitation coil 1, a side I-shaped magnetic conductor 2, a motor coil 3, a side motor magnetic conductor 4, an active magnetic control system lidesheng 14 and the like. The built-in control information of the active magnetic control system lidesheng 14 is respectively output through a first active magnetic control system lidesheng control port 9, a first input port 7 and a second active magnetic control system lidesheng control port 13 for supplying power to the excitation coil 1 through a second input port 10, the excitation coil 1 generates an N / S variable polar magnetic field after obtaining electricity, the motor coil 3 is cut by the N / S variable polar magnetic field generated by the excitation coil 1 and a rotor synchronously, the motor coil 3 generates a driving magnetic field through cutting magnetic lines of force, and a power supply input inputs electric energy through a first power supply input port 15 and a second power supply input port 16 respectively. Therefore, the side-control pole-changing motor system achieves the purpose of adjusting stability of the motor in a pole-changing manner by changing rotating speed in a cycle.

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 direct-acting type axial flow electromagnetic valve which comprises an inlet nozzle, a valve element gasket, a gland, a valve element, a coil framework, a shell, a moving armature, a static yoke and a spring. Fluid flows from the inlet nozzle into the gland through a fluid inflow channel on the inlet nozzle; when a coil is not powered on, under the effect of the elastic force of the spring, the front end of the valve element jacks the valve element gasket installed at the rear end of the inlet nozzle, and at the moment, the electromagnetic valve is in a closed state; after the coil is powered on, the moving armature is attracted by the static yoke to overcome the elastic force and drive the valve element to move backwards together, at the moment, the front end of the valve element is separated from the valve element gasket, a passage of the electromagnet valve is opened, the fluid flows into the valve element through the front end of the valve element via the fluid inflow channel, then flows into the static yoke and finally flows out of the rear end of the static yoke. By the adoption of the direct-acting type axial flow electromagnetic valve, the start electromagnetic force is small, the electromagnetic valve can be reliably opened under the condition of the large flow, and the flow resistance loss of the electromagnetic valve is small.

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.

The invention discloses a bilateral control permanent magnetism pole-changing motor. The bilateral control permanent magnetism pole-changing motor is characterized in an active magnetic control system lidesheng for the bilateral control permanent magnetism pole-changing 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, an N-side permanent magnet 1, an H-shaped magnetizer 1, an N / S magnetic pole 2, a magnetic line direction 2, an S-side permanent magnet 2, a rotor rotation direction 1, a control port 4 for the active magnetic control system lidesheng, a control port 3 for the active magnetic control system lidesheng, an output magnetizer 1, 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 and the like. The bilateral control permanent magnetism pole-changing motor comprises 1. the excitation coils and 8. the H-shaped magnetizer 1, 19. the H-shaped magnetizer 2, 7. the N-side permanent magnet 1, 12. the S-side permanent magnet 2 and 14. the active magnetic control system lidesheng.

The invention discloses an internal control excitation pole-changing three-phase motor. The internal control excitation pole-changing three-phase motor is composed of an 1 excitation solenoid, an 2 internal I-shaped magnetizer, a 3 stator solenoid, an 4 external stator magnetizer and an 14 active magnetic control system lidesheng. The built-in control information of the 14 active magnetic control system lidesheng is respectively outputted by an 9 active magnetic control system lidesheng control port 1 and outputted by an 7 input port 1 and an 13 active magnetic control system lidesheng control port 2 to supply power to the 1 excitation solenoid through an 10 input port 2. The 1 excitation solenoid is electrified to generate an N / S variable hetero-polarity magnetic field. The variable hetero-polarity magnetic field generated by the 1 excitation solenoid and a rotor synchronously cut the 3 stator solenoid. The magnetic lines of force of the 3 stator solenoid are cut to generate AC voltage passing through an 15 output port 1 and an 16 output port 2. An 17 output port 3, an 18 output port 4, an 19 output port 5 and an 20 output port 6 are completely closed to generate a cutting magnetic field. The objective of speed regulation and driving can be realized by utilizing a reverse cutting magnetic field.

The invention discloses an internal control permanent magnet pole-changing motor. The internal control permanent magnet pole-changing motor is composed of an 1 excitation solenoid, an 2 internal I-shaped magnetizer, a 3 stator solenoid, an 4 N external permanent magnet 1, an 15 S external permanent magnet 2 and an 14 active magnetic control system lidesheng. The built-in control information of the 14 active magnetic control system lidesheng is respectively outputted by an 9 active magnetic control system lidesheng control port 1 and outputted by an 7 input port 1 and an 13 active magnetic control system lidesheng control port 2 to supply power to the 1 excitation solenoid through an 10 input port 2. The 1 excitation solenoid is electrified to generate an N / S variable hetero-polarity magnetic field. The variable hetero-polarity magnetic field generated by the 1 excitation solenoid and the permanent magnets synchronously cut the 3 stator solenoid. The magnetic lines of force of the 3 stator solenoid are cut by the permanent magnets to generate a cutting driving magnetic field. The objective of speed regulation and driving can be realized by utilizing a reverse cutting driving 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 discloses an external control permanent magnetism pole-changing motor. The external control permanent magnetism pole-changing motor comprises 1. excitation coils, 2. an annular magnetizer, 3. a stator coil, 4. an N external permanent magnet 1, 15. an S external permanent magnet 2 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 the permanent magnets; and cutting and driving of magnetic field is generated as the stator coil is influenced by cutting of magnetic line by the permanent magnets so that speed adjusting and driving can be realized by means of reverse cutting and driving of magnetic field.

The invention creatively discloses a laterally controlled pole-changing three-phase motor system. According to the laterally 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 (18), a power supply input port 4 (19), a power supply input port 5 (20) and a power supply input port 6 (21) 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 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.

The invention discloses an internal-control pole-changing motor system. The internal-control pole-changing motor system is composed of an excitation coil 1, an internal I-shaped magnetic conductor 2, a motor coil 3, an external motor magnetic conductor 4, an active magnetic control system lidesheng 14 and the like. The built-in control information of the active magnetic control system lidesheng 14 is respectively output through a first active magnetic control system lidesheng control port 9, a first input port 7 and a second active magnetic control system lidesheng control port 13 for supplying power to the excitation coil 1 through a second input port 10, the excitation coil 1 generates an N / S variable polar magnetic field after obtaining electricity, the motor coil 3 is cut by the N / S variable polar magnetic field generated by the excitation coil 1 and a rotor synchronously, the motor coil 3 generates a driving magnetic field through cutting magnetic lines of force, and a power supply input inputs electric energy through a first power supply input port 15 and a second power supply input port 16 respectively. Therefore, the internal-control pole-changing motor system achieves the purpose of adjusting stability of the motor in a pole-changing manner by changing rotating speed in a cycle.