52 results about "Sources isolation" patented technology

A method for moving an executing process from a source isolation scope to a target isolation scope includes the step of determining that the process is in a state suitable for moving. The association of the process changes from a source isolation scope to a target isolation scope. A rule loads in association with the target isolation scope.

A vertical DRAM and fabrication method thereof. The vertical DRAM has a plurality of memory cells on a substrate, and each of the memory cells has a trench capacitor, a vertical transistor, and a source-isolation oxide layer in a deep trench. The main advantage of the present invention is to form an annular source diffusion and an annular drain diffusion of the vertical transistor around the sidewall of the deep trench. As a result, when a gate of the transistor is turned on, an annular gate channel is provided. The width of the gate channel of the present invention is therefore increased.

A making method of a fire-retardant heat insulation EPS board is provided to solve a technical problem of the low fire retardation performance of present fire-retardant heat insulation EPS boards. A technical scheme adopted in the invention is characterized in that the method comprises the following steps: foaming raw materials in a foaming machine to prepare foam particles, heating, compressing and molding the foam particles in a board making molding machine to form a board, drying, and cutting; and the method also comprises a film coating operation, a fire-retardant adhesive film is coated on the external surface of the foam particles after the preparation of the foam particles in the foaming machine, and then the foam particles are put in the board making molding machine for board making. The method has the advantages of reasonable structural design, simple and convenient operation, and improvement of the fire retardation performance of the fire-retardant heat insulation EPS board, and makes the fire-retardant heat insulation EPS board to have the excellent characteristics of no fusion and no flow, have the fire retardation, fire source isolation and flame spreading prevention effects, and provide a guarantee for the effective protection of the life and property safety, so the fire-retardant heat insulation EPS board is a very ideal environmentally-friendly heat insulation material having the advantages of fire retardation, heat insulation, energy saving and beauty.

The invention discloses a system and method for testing the internal modules of a vector network analyzer and belongs to the technical field of testing. The system comprises a hardware system and a software system, wherein the hardware system comprises a source isolation degree testing system, a mixer isolation degree testing system, a source output power testing system, a harmonic and subharmonictesting system and a pulse switch ratio testing system; the software system comprises a testing parameter setting and testing instrument connecting module, an instrument program control command import module and a testing task executing module. The system has the advantages that the system can automatically adapt to testing instruments such as spectrometers, power meters and signal sources of different factories and types to complete the testing task; the various internal modules of the vector network analyzer can be fast tested, the testing speed of the various internal modules of the vectornetwork analyzer is increased, the production efficiency of the vector network analyzer is increased, testing cost is reduced, and huge economic benefits are achieved.

A vertical DRAM and fabrication method thereof. The vertical DRAM has a plurality of memory cells on a substrate, and each of the memory cells has a trench capacitor, a vertical transistor, and a source-isolation oxide layer in a deep trench. The main advantage of the present invention is to form an annular source diffusion and an annular drain diffusion of the vertical transistor around the sidewall of the deep trench. As a result, when a gate of the transistor is turned on, an annular gate channel is provided. The width of the gate channel of the present invention is therefore increased.

The invention discloses a method for producing a junction field effect transistor, which belongs to the field of semiconductor devices. According to a conventional method for producing the junction field effect transistor, a gate source isolation oxidation layer serves as a masking layer of a diffusion technology, and a large number of impurities and defects can be introduced into the isolation oxidation layer in a production process, so that the total dose irradiation effect resisting capability of the junction field effect transistor can be reduced. The method for producing the junction field effect transistor provided by the invention comprises steps of: before contact hole etching, adopting hydrofluoric acid to completely etch the original oxidation layer, then regrowing the oxidation layer so as to guarantee that denser high-quality oxidation layer having less defects is regrown, and accordingly, improving the total dose irradiation effect resisting capability of the junction field effect transistor. In addition, a masking plate does not need to be added, and moreover, the hydrofluoric acid is utilized to etch the entire oxidation layer of the front side before the contact hole etching and the new high-quality oxidation layer is regrown, so that the method is simple and practicable, and the additional costs brought by adding new processing steps are lowered.

The invention belongs to the field of electronic appliances and specifically relates to an intelligent high-voltage power distribution manager. The manager comprises a case, wherein a steering pump controller, an air compressor controller, a controller module, a fuse module, an intelligent control module, a DC / DC module, an interface module, a first pre-charging plate, a first capacitance plate, a second pre-charging plate and a second capacitance plate are disposed in the case; and the intelligent control module comprises a control mainboard, a communication module, a contact device control module, a touch point detection module, a voltage detection module, a current detection module, an environment detection module, a high-voltage interlocking module, a pre-charging detection / self-charging detection module, an insulation detection module, a firmware upgrade module, a system self-checking module, a power source isolation module and a historical failure code management module. The intelligent high-voltage power distribution manager provided by the invention has the advantages that multiple functions are integrated; data transmission can be achieved by the communication module; and external detection and data analysis can be conducted to a power source circuit system of an automobile easily.

The invention discloses an embedded control system applied to LNG (liquefied natural gas) dispensers, which comprises a microprocessing single-chip microcomputer, an ARM(advanced RISC machine) embedded platform, a console, a main board power source, a power source isolation processing module and a power-off protection module. The ARM embedded platform is electrically connected with the microprocessing single-chip microcomputer, the console is subjected to TCP / IP (transmission control protocol / internet protocol) communication with the ARM embedded platform, the power source isolation processing module is electrically connected with the main board power source, and the power-off protection module is electrically connected with the power source isolation processing module. Besides, the microprocessing single-chip microcomputer is used for acquisition of underlying data of the system, process control and output display and used for submitting associated data to the ARM embedded platform. The ARM embedded platform is in communication connection with the microprocessing single-chip microcomputer, and associated data submitted by the microprocessing single-chip microcomputer are subjected to communication with the console through TCP / IP communication. The embedded control system is developed by combination of the microprocessing single-chip microcomputer and the ARM embedded platform, is more reliable and more reasonable and humanized in use, data exchange rate is increased greatly, and influence to other modules can be avoided since the power source is shunted and isolated.

The invention relates to vehicle battery current and voltage detection equipment based on an isolated coupler. A voltage detection unit collects battery voltage signals of electric cars and sends thebattery voltage signals to a controlling and data processing unit; a current detection unit collects battery current signals of the electric cars and sends the battery current signals to the controlling and data processing unit. Signal and power source isolation of a high-low voltage isolating unit is realized through a high-isolation DC-DC converter and the high-isolation digital coupler. The controlling and data processing unit processes the current and voltage signals, controls all the units to operate and transmits data to a high-speed CAN bus. The vehicle battery current and voltage detection equipment has the advantages that the voltage detection unit and the current detection unit are independent from each other, so that detection distance is shortened, influences of external interference on signal detection are reduced, and detection accuracy and BMS reliability are improved; the vehicle battery current and voltage detection equipment is transferred to a high-voltage power distribution unit at a high-low voltage junction and is integrated with hardware resources of a high-voltage power distribution system, and accordingly, cost is reduced.

The invention discloses a manufacturing method of a trench gate power device with a shield gate. The manufacturing method comprises the following steps that: a hard mask layer is formed on the surface of a semiconductor substrate, and a gate forming region is defined on the surface of the semiconductor substrate through photoetching; first anisotropic etching is performed on the semiconductor substrate at the gate forming region, so that trenches can be formed, and the width of the trenches is expanded to a width larger than an opening width defined by the hard mask layer through second isotropic etching; a gate dielectric layer and a polysilicon gate are formed; back etching is performed on the polysilicon gate; with the hard mask layer adopted as a mask, third isotropic etching is performed on the semiconductor substrate at the bottoms of the trenches, so that deep trenches can be formed; a first oxide layer is formed at the side surfaces and bottom surfaces of the deep trenches as well as the side surfaces of the polysilicon gate simultaneously; and source polysilicon is grown. With the manufacturing method of the invention adopted, the polysilicon gate of a sidewall polysilicon structure can be formed, and the thickness of a gate and source isolation oxide layer can be improved, and gate and source electric leakage can be decreased.

The invention discloses a SEU and SET resisting DICE trigger design method based on a SMIC 65nm commercial process. Firstly, an input circuit on a DICE trigger is replaced with a stack CMOS circuit soas to realize SET resisting reinforcement design of the input circuit; then, a primary latch and a secondary latch on the DICE trigger are processed so as to reduce an operating distance between SETpulse width and a charge sharing effect and realize SEU resisting reinforcement; finally, the output circuit on the DICE trigger is replaced with a C-element circuit so as to filter the SET in the latch broadcasted to an output end. The method in the invention uses the stack CMOS circuit and the C-element circuit in cooperation with a filling MOS tube and a source isolation MOS tube to realize thecircuit design of the DICE trigger, which is high in reliability, solves the problem of large timing sequence overhead brought by using a delay filtering circuit to realize SET reinforcement, effectively improves the capability of resisting SEU and SET of the DICE trigger, and achieves a prospective protection effect and low cost.

A heat source isolation mechanism of the laminate molding device includes an intermediate table that is mounted on an upper surface of a main table, an auxiliary table which is provided on an upper surface of the intermediate table and of which a temperature can be adjusted, and a bellows member in which the auxiliary table is disposed and which includes a lower end that is provided on the intermediate table and an upper end that is mounted on the peripheral wall, and which expands as the main table is lowered. The bellows member is made of an insulating material. The recoater head supplies a metal material powder to a molding area inside the bellows member and a powder layer is formed on the auxiliary table, a laser emission unit emits a laser beam to a predetermined area of the powder layer and sintering is performed.

The invention relates to the field of integrated circuits, and discloses a U-type source-slot VDMOSFET device integrating a Schottky diode, comprising: a substrate (10), a drain (11), a N-drift region(8), and a P+ source trench protection. a region (9) located in the N-drift region (8); a source (6) located above the P+ source trench protection region (9); and a P+ ohmic contact region (5) located in the N-drift region (8); a P-type base region (7) located in the N-drift region (8); an N+ source region (3) located above the P-type base region (7); a gate-source isolation layer (4), Located above the N+ source region (3); the gate dielectric (2), the gate (1); the interface between the source (6) and the N-drift region (8) is a Schottky contact. The device makes the circuit structure simpler, improves the reliability of the device and reduces the complexity and cost of the device design.

This invention discloses one wavelength white light organic lighting device, which is located with electrical transmission layer, lighting layer, electrical isolation layer, electronic transmission layer and electrical injection layer between the transparent baseboard and negative electrode, wherein, the lighting layer comprises lighting materials with green dye to form green source lighting layer; the electrical isolation layer is mixed with one lighting materials as one red source isolation layer.

The invention discloses a heating device used in a vacuum device and relates to the field of heating a sample in the vacuum device. The heating device includes: a heating component which is a dual-heat-source heating component for heating a sample to be heated; a thermal insulation component which includes a three-layer covered thermal insulation radiation shielding structure and a ceramic thermalinsulation base and is configured to perform a thermal insulation treatment; a support member which is a stainless steel base and configured to support the heating component and the thermal insulation component; and a hot electron suppression system which is configured to suppress the escape of hot electrons on the surface of the sample to be heated. The heating device is suitable for use in thevacuum device, especially in a scanning electron microscope. The heating device has a small size, high heating efficiency, a fast temperature rise speed, and a good heat source isolation and thermal insulation effect, controls the influence of hot electrons on the electron beam of the scanning electron microscope, achieves clear high-temperature images, and does not affect the normal use of otheraccessories of the scanning electron microscope.

The invention discloses a novel serial communication system for an anti-explosion elevator. The novel serial communication system for the anti-explosion elevator comprises a power source, an elevator communication main control panel, a power source isolation module, an elevator car communication system and an outbound communication system; the power source is electrically connected with the elevator communication main control panel and the power source isolation module, the elevator communication main control panel is in electric signal connection with the elevator car communication system and the outbound communication system, the power source isolation module is electrically connected with the elevator car communication system and the outbound communication system, the elevator car communication system comprises an elevator car communication isolation module, an elevator car communication panel and an elevator car operation panel, and the outbound communication system comprises an outbound communication isolation module, an outbound communication panel and an outbound operation panel. According to the novel serial communication system for the anti-explosion elevator, complex wiring is simplified, the failure rate is decreased, the elevator room space is saved, a plurality of control cabinets do not need to be made, wire connection between a control system and a lift well part is reduced, and the novel serial communication system for the anti-explosion elevator belongs to safe, energy-saving, and environment-friendly products genuinely.

The invention discloses a direct discharging sealing system of a closestool. The system comprises a toilet waste collector, wherein a ball valve is arranged in the lower neck of a cavity neck of the toilet waste collector; the ball valve is provided with a discharge hole; two blind holes are symmetrically arranged on the side walls of the ball valve; one ends of two central shaft assemblies are connected in the two blind holes; the other ends of the two central shaft assemblies penetrate through the cavity neck of the toilet waste collector; the end of any one central shaft assembly, which is arranged outside the cavity neck, is provided with a rod through hole; a first power cylinder is arranged at one side of the toilet waste collector; one end of a piston rod in the first power cylinder goes out of the first power cylinder and is connected with one end of a connecting rod; the other end of the connecting rod is inserted into the rod through hole; a front pipe connector and a rear pipe connector are arranged on the upper surface of the first power cylinder; a second power cylinder device is arranged at the rear part of the toilet waste collector; a time delay unit is connected with the upper surface of the second power cylinder device; a front connector and a rear connector are arranged on the lower part of the side wall of the time delay unit; the front connector and the front pipe connector are connected by a pipeline; and the rear connector and the rear pipe connector are connected by a pipeline. The system has the advantages of high efficiency, water saving, low fault rate and pathogen source isolation.

The invention discloses a multi-path single-phase and three-phase mixed electric energy metering device. The electric energy metering device comprises three paths of independent three-phase electric energy metering modules, three paths of independent external monitoring voltage and current sampling modules, a microcontroller, a power source isolation protection module, a communication module, a memorizer, a real-time clock and a meter rectifying module. Parameters of each phase can be independently sampled. Each metering module comprises an electric energy register, the metering parameters of each phase of each metering module are transmitted to the microcontroller, and the microcontroller stores and uploads the single-phase and three-phase electric energy data.

The invention discloses a two-channel high voltage DC double-isolation measurement sampling circuit including an MCU main control circuit, a first and a second current sampling input terminal and a first and a second voltage sampling input terminal. The first and the second current sampling input terminal are connected with a current sampling input terminal of the MCU main control circuit throughcurrent isolation sensors respectively. The first and the second voltage sampling input terminal are connected with a voltage sampling input terminal of the MCU main control circuit through dedicatedmetering chip modules and isolation communication modules in sequence. The first dedicated metering chip and the second dedicated metering chip are connected with a power supply module through power source isolation modules. According to the invention, the circuit has advantages of good safety and reliability, large measurement range, high measurement precision, high mounting and use convenience.

The inspection department consists of the following: a power network extraction mechanism, which refers to the circuit design data of the printed circuit board to extract the power supply network distinguished by the power supply separation component and has power supply attributes; the part number extraction mechanism, which is used to extract the part number of the semiconductor integrated circuit connected to the extracted power supply network; the part number calculation mechanism, which is used to calculate the number of parts that have been extracted; the judgment mechanism, which is used to compare the number of calculated parts and the specified reference value; the display mechanism, which is greater than the reference value in the case of the number of components, The name of the power supply network and the part number of the semiconductor integrated circuit are displayed as the power separation is not implemented. According to this composition, it is possible to check in a short period of time whether the power supply used in the semiconductor integrated circuit room, the connector room, and the semiconductor integrated circuit between a connector is separated according to the high frequency of the power supply separation element.

The invention relates to a device for infectious disease source isolation and respiration protection, and belongs to the technical field of medical apparatus and instruments. The infectious disease source isolation respiration protection device comprises a main body, an air purifying device and an air compressor device, an information display screen is arranged on the front side of the main body,and a power key and an air suction key are arranged on the right side of the information display screen; a rotator is arranged on the main body, a rotation shaft is arranged in the rotator, and the rotator is connected with a vertical support; a telescopic rack is arranged in the vertical support, fixing locking holes are formed in the telescopic rack, a fixed rotary knob is connected with the right side of the vertical support, and a telescopic rack is connected with a flexible respiration pipe; the flexible respiration pipe is connected with a respiration mask, a scavenging port is formed inthe front side of the respiration mask, and elastic band fixing clamps are arranged on the front side and the rear side of the respiration mask and are connected with an elastic fixing band. The device for infectious disease source isolation and respiration protection is complete in function and convenient to use, can effectively purify and process infectious sources in air when purifying and processing infectious disease source respiration gas, is convenient to operate, saves time and labor, is safe and efficient and greatly lowers the working difficulty of medical staffs.

The invention belongs to the field of intelligent electromagnetic heating and discloses an all-round heating concave intelligent induction cooker and its internal structure. The omnidirectional concave heating intelligent induction cooker includes a 304 stainless steel radiation-proof inner layer, a ferrous magnetic concave pot body, and quartz wool Insulation layer and slurry shell, 304 stainless steel anti-radiation pot shell, output line of electromagnetic heating circuit board, connection line between heating circuit board and panel, glass-ceramic ceramic panel, heat source blocking box, induction cooker main body shell, intelligent electromagnetic heating Circuit main board, intelligent electromagnetic heating main board cooling box, shell fixing feet, LCD display, electromagnetic heating control circuit board and operation panel, mains plug and power cord. The invention adopts the electromagnetic circuit board to heat the concave iron pot body, the heating area is large, the temperature is high, and the temperature rises quickly. Since the heating surface is all over the iron pot and the heat is full, the quality of cooked dishes is similar to cooking with gas, which solves the problem Eliminates the phenomenon that the large spoon cannot be moved and stir-fried when the induction cooker is cooking.

The invention discloses a radiation hardened high-performance DICE latch. Four PMOS transistors are added on the basis of a traditional DICE latch, and a source isolation technology is used for improving the multi-node upset resistant capacity of the latch. Compared with the MDICE latch structure, the area, delay and power consumption are all reduced, and particularly the delay is greatly reducedwhen 1 is storing. Compared with the other hardened structures, the radiation hardened high-performance DICE latch compromises with the area, delay and power consumption while improving the multi-nodeupset resistant capacity.

The invention relates to a fireproof plate for an outer wall. The fireproof plate is structurally characterized in that a fluorocarbon film is arranged on the outer surface of a melamine fireproof plate body; a glass magnesium plate is arranged on the inner side of the melamine fireproof plate body; a reinforcing plate is arranged on the inner side of the glass magnesium plate; heat preservation plates and phenolic resin plates are arranged between the glass magnesium plate and the reinforcing plate and are the same in thickness; each phenolic resin plate is arranged between the correspondingtwo adjacent heat preservation plates; and aluminum alloy plates are arranged between the heat preservation plates and the phenolic resin plates, the two ends of the aluminum alloy plates are connected with the glass magnesium plate and the reinforcing plate correspondingly, and the aluminum alloy plates are perpendicular to the glass magnesium plate and the reinforcing plate. The fireproof platehas the advantages that the structure is simple and effective; the overall thickness is reduced; structural stability is improved; the fluorocarbon film on the outermost layer can protect the melaminefireproof plate body from being damaged; a glass magnesium plate layer has the effects of high temperature resistance, flame retarding, sound absorption, earthquake prevention and water and damp proofing; a fireproof plate body has an insect prevention function through insect expelling powder in a cavity; and the phenolic resin plates take the effects of fire proofing and fire source isolation when the heat preservation plates are on fire.

The invention provides a single-power-source isolation amplifier which comprises a photoelectric coupling tube T1A, a photoelectric coupling tube T1B, an operational amplifier A, a direct-current power source VCC, five resistors, an adjustable resistor, a capacitor C1 and a capacitor C2. One end of the resistor R1 is connected with an anode of the photoelectric coupling tube T1A, an emitting electrode of the photoelectric coupling tube T1A is grounded through the resistor R2 and the capacitor C1 and connected with an anode of the operational amplifier A through the resistor 3, an emitting electrode of the photoelectric coupling tube T1B is grounded through the resistor R5 and the capacitor C2 and connected with a cathode of the operational amplifier A through the resistor R4, an output end of the operational amplifier A is connected with an anode of the photoelectric coupling tube T1B, a cathode of the photoelectric coupling tube T1B is connected with one end of the adjustable resistor RW, and the other end of the adjustable resistor RW is grounded. The single-power-source isolation amplifier has the advantages of simple structure, high reliability and low cost.

The invention relates to the field of kitchen and bathroom electric appliances, in particular to an external gas source isolation type double-energy-saving range hood which is characterized by comprising a drawing fan, an inner air cavity and an outer air cavity. A cavity is enclosed by an inner wall of the inner air cavity, the outer side of the inner air cavity is enclosed by the outer air cavity, the periphery of the outer air cavity is isolated from the inner air cavity, and the drawing fan is communicated with the inner air cavity; the outer air cavity and the inner air cavity can be communicated with outdoor environments when the external gas source isolation type double-energy-saving range hood is used, and the drawing fan is used for drawing air to the outdoor environments. The external gas source isolation type double-energy-saving range hood has the advantages that reliable gathering and sucking effects can be realize by the external gas source isolation type double-energy-saving range hood, oil stain can be prevented from splashing, air in kitchens and rooms communicated with the kitchens can be prevented from being sucked away or disturbed, perfect cooking fume suckingeffects can be realized by the aid of the low-power fan, indoor air pressure change can be prevented, and the external gas source isolation type double-energy-saving range hood is low in noise and easy to clean.

A system and method for determining leakage in a fluid supply line assembly are provided. The system includes a source of pressurized fluid, a pressurized fluid load, and a fluid supply line coupled to the source and the load. The leak detection system also includes a source isolation valve configured to control a flow of fluid into the fluid supply line from the source, a load isolation valve configured to control a flow of fluid from the fluid supply line to the pressurized fluid load, and a processor communicatively coupled to a memory device. The memory device includes instructions that when executed by the processor, cause the processor to close the load isolation valve and open the source isolation valve to supply pressurized fluid to the fluid supply line, and after a predetermined interval, determine a leakage of pressurized fluid from the fluid supply line.

The invention relates to the field of kitchen and bathroom electric appliances, in particular to an external gas source isolation type double-energy-saving cooking fume removal stove which is characterized by comprising a table (1). A stove opening (2) is formed in the table (1), a combustor (3) is mounted below the stove opening, and a plurality of first air openings are formed in the table and are uniformly formed in positions along the inner wall of the stove opening (2); a plurality of second air openings are formed in the outer side of the combustor (3) and are uniformly formed in the outer side of the combustor (3); the first air openings and the second air openings can be communicated with outdoor environments when the external gas source isolation type double-energy-saving cookingfume removal stove is used. The external gas source isolation type double-energy-saving cooking fume removal stove has the advantages that reliable gathering and sucking effects can be realized by theexternal gas source isolation type double-energy-saving cooking fume removal stove, oil stain can be prevented from splashing, air in kitchens and rooms communicated with the kitchens can be prevented from being sucked away or disturbed, perfect cooking fume sucking effects can be realized by the aid of low-power fans, indoor air pressure change can be prevented, and the external gas source isolation type double-energy-saving cooking fume removal stove is low in noise and easy to clean.

The invention discloses a communication organization method and a repeater thereof based on a massive node cluster. The communication organization method comprises the steps that a framework part of the node cluster is established, and a network topology meeting node number constraint conditions is obtained; the mapping relation between global addresses and local addresses of terminal nodes is obtained through address mapping; a frame structure and a relay protocol are expanded, and the communication organization of the massive node cluster is achieved. The repeater comprises a main controller and an RS485 interface, and the communication repeater further comprises a power source isolation circuit, a signal isolation circuit and a bus biasing circuit. The power source isolation circuit and the signal isolation circuit are used for isolating a power source and signals of the main controller and a power source and signals of the RS485 interface respectively. The bus biasing circuit is used for conducting short circuit and bypass protection on the RS485 interface. The communication organization method and the repeater adapt to the change demands of a network, and the reliability of control over cluster network communication is improved; the purposes of cluster communication and management of embedded equipment are achieved.