39results about How to "Improve the isolation effect" patented technology

This utility model discloses a mechanical explosion-proof thermostat, belonging to the technical field of thermostats. The device includes an explosion-proof body and a cover plate. The explosion-proof body includes an insulating shell, and an actuation control component is disposed inside the insulating shell. The inner edge of the insulating shell is threaded. The bottom of the cover plate is provided with a threaded retaining ring that mates with the threaded inner edge of the insulating shell. An inner ring plate is disposed along the inner edge of the insulating shell, and a sealing gap exists between the inner ring plate and the inner edge of the insulating shell. Multiple sealing gaskets are fixedly disposed on one side of the inner ring plate within the sealing gap. When the cover plate is screwed into the insulating shell, the threaded retaining ring embeds into the sealing gap and mates with multiple sets of annular protrusions on the outer side of the multiple sealing gaskets fixed on the inner ring plate. The multiple sets of annular protrusions elastically press against the inner side of the threaded retaining ring, forming a multi-stage sealing effect, thereby improving the stability of the sealing effect at the cover plate, effectively resisting the intrusion of external corrosive substances, and extending the service life of the thermostat.

The application relates to the field of data security and key management, and particularly relates to a key management method, a trusted execution environment node, a device and a storage medium. In view of the problems of weak use binding, high exposure risk of cross-domain flow and insufficient isolation and availability in a distributed scene caused by key dependence on external distribution and software policy constraints in the prior art, a root key seed is generated in a secure memory in the trusted execution environment node, a root key bound to an instance is derived in combination with a hardware fingerprint of the target instance, and a corresponding working key is derived according to the specific key use of a business application, which is used for performing encryption, decryption, signature or signature verification on business data. The scheme makes key generation, instance association and use constraints complete in the node, can reduce key external transmission and exposure, enhance the isolation between different business instances and the controllability of key use, and improve the key security and business stability in a high-security distributed environment.

The utility model discloses a copper bar assembly, include: first component fixed with at least two conductive parts, first component is connected with second component, and conductive part extends downward through second component, and first component and second component cooperate and form fixed cavity, and the fixed cavity is accommodated to the magnetic core, and conductive part passes through the magnetic core, and the isolating piece is connected with second component, and the isolating piece divides two adjacent conductive parts, and the magnetic core cooperates and forms the glue injection area with fixed cavity, and the glue injection area is filled with colloid, adopt first component and second component cooperation, relative to the prior art in a whole plastic piece, reduce the volume of whole, reduce the space occupied, second, improve the protection level of whole through the glue injection seal.

The invention provides a connecting line isolation performance improvement method and an integrated circuit. The method comprises the following steps: preparing a circuit element on the surface of a wafer; forming a multi-layer metal interconnection structure on the surface of the circuit element to realize electrical connection of each polarity of the circuit element; each layer of metal interconnection structure comprises a metal connecting wire formed in the low-dielectric-constant material layer, an isolation film layer is formed between the low-dielectric-constant material layer and the side wall contact surface of the metal connecting wire, the dielectric constant of the isolation film layer is larger than that of the low-dielectric-constant material layer, and the isolation performance between the metal connecting wires in the later process is improved.

The application discloses a kind of copolymer organic semiconductor devices based on isolation and interconnection and preparation method, including substrate, photoetching blocking layer, insulating isolation layer, N organic field effect transistor and N-1 interconnection line;Photoetching blocking layer includes isolation layer and inorganic dielectric layer;Isolation layer is opened with N longitudinal through isolation groove along length direction;Inorganic dielectric layer includes lower dielectric layer and upper dielectric layer;Lower dielectric layer is located in N isolation, and upper dielectric layer is laid on the top of isolation layer and lower dielectric layer;Each organic field effect transistor includes semiconductor layer, source, drain and gate;Semiconductor layer is laid in the isolation groove at the bottom of corresponding lower dielectric layer section, and its material is organic copolymer.The application effectively utilizes isolation groove and photoetching blocking layer, and the semiconductor layer of different semiconductor materials is wrapped and isolated, so as to realize the integration of different organic field effect transistors on the same substrate, and the organic field effect transistor can realize effective interconnection.

The application discloses a semiconductor device and a switching power supply. The semiconductor device comprises a first buried layer located in a first region of a substrate; a body region, a first well region, a drift region, and a second well region located on the first buried layer, the drift region being located between the first well region and the body region and being in contact with the body region, the second well region being a ring-shaped region and forming an isolation region with the first buried layer to surround the body region, the first well region, and the drift region; a third well region located in a second region of the substrate; and an isolation structure located in the second region of the substrate and between the second well region and the third well region, a part of the surface of the isolation structure being exposed outside the substrate and being suspended to block a leakage loop in the semiconductor device. The application uses the suspended isolation structure to achieve the purpose of blocking the leakage loop in the semiconductor device and improves the isolation effect.

The invention discloses a stack space static distribution method in a battery management system and the battery management system, relates to the technical field of battery management, and aims to solve the problem of shared stack peak value superposition caused by sudden fault trigger diagnosis deep call under static stack division and periodic monitoring interruption concurrence. A stack description table is generated in a compiling and linking stage, and a stack pointer is redirected according to an execution entity during operation, so that monitoring type and diagnosis type execution streams are operated on a physically isolated stack space, the stack expansion of one execution stream is prevented from occupying the stack frame of the other execution stream, and the stack overflow risk caused by instantaneous resource conflict is weakened from the source; a stack switching mechanism of an interrupt preamble code is introduced, so that an interrupt service routine is executed on a pre-planned interrupt stack storage area, and when the interrupt exits, the interrupt service routine is recovered to a stack to which an interrupted execution stream belongs, so that interrupt stack occupation is converted from scattered superposition to task stacks to centralized planning to interrupt stacks.

The application relates to the technical field of industrial automation, and provides a device testing method and system, an electronic device and a computer readable storage medium, the method comprises the following steps: being applied to a device testing system, the device testing system comprises a plurality of devices to be tested, each device to be tested is connected with a physical port of a switch, the switch is connected with a test server, a structured configuration file is analyzed to obtain a device mapping relationship. Based on the device mapping relationship, a plurality of virtual network interfaces are created, and a corresponding network protocol address is allocated to each virtual network interface. An independent routing table is established for each virtual network interface, and a source network protocol address of the virtual network interface is bound to the routing table. Address resolution protocol response control parameters are set for each virtual network interface. A plurality of logically isolated virtual network interfaces can be automatically created, an automatic configuration driven testing environment can be built, and the testing efficiency is improved.

This application discloses a three-dimensional ultra-wideband power divider, belonging to the field of radio frequency communication technology. It includes an input port, a strongly coupled line unit, a weakly coupled line unit, a first output port, and a second output port. The input port, strongly coupled line unit, and weakly coupled line unit are connected sequentially. The first terminal of the second end of the weakly coupled line unit is connected to the first output port, and the second terminal of the second end of the weakly coupled line unit is connected to the second output port. The weakly coupled line unit includes any number of coupling lines and multiple first resistors, with the multiple first resistors bridging between two coupling lines of the weakly coupled line unit. The strongly coupled line unit is a three-dimensional integrated vertical substrate circuit structure. This application overcomes the contradiction between ultra-wideband, high isolation, low loss, and mass production through a three-dimensional integrated structure, gradually changing coupling lines, and a multi-level bridging resistor network, providing a high-performance power divider solution for high-frequency communication systems.

The utility model relates to LED lamp technical field especially relates to a module integrated type LED lighting lamp, including with the mounting bracket rotation connection and by the lamp shade and lamp shell are composed LED lamp, strong magnetic strip no.

The utility model belongs to rotary kiln equipment technical field especially for a kiln head sealing structure of rotary kiln, including kiln body cylinder, kiln head casing, sealing bearing, hollow ring, air extractor, filter box, rotating seat, limiting component and support shaft, the sealing bearing fixedly covers and is equipped in the kiln body cylinder outside, the kiln head casing fixed mounting is in the outside of sealing bearing, the hollow ring fixed mounting is on the inner wall of kiln head casing and is located the side of sealing bearing and kiln body cylinder intercommunication, fixed mounting has a plurality of airflow nozzles one with hollow ring intercommunication and sets up the inclined shape on the inner periphery of hollow ring, a plurality of airflow nozzles one end away from hollow ring all tilt towards kiln head casing direction, the air extractor fixed mounting is on the kiln head casing. The utility model designs rationally, can form stable sealing air curtain, filters the replacement under the condition of not stopping simultaneously, and can be well adapted to high temperature working condition.

A semiconductor structure and a method for forming the same, wherein the semiconductor structure includes: a substrate comprising a plurality of first regions and an isolation region located between adjacent first regions; a first doped well region located within the first regions; an initial well region located within the isolation region, the initial well region having a conductivity type opposite to that of the first doped well regions, and the initial well region being in contact with the first doped well regions; and a first isolation well region located within the first doped well regions, the first isolation well region having a conductivity type opposite to that of the first doped well regions, wherein the distance from the edge of the first isolation well region to the edge of the initial well region is greater than zero and less than half the width of the initial well region, the width being the dimension of the initial well region along a direction parallel to the substrate and located between adjacent first regions. The semiconductor structure and the method for forming the same improve the electrical isolation effect of different regions in a transistor device, thereby improving device stability.

The invention discloses a light-emitting element, and the element comprises an LED chip which is provided with a first surface, a second surface opposite to the first surface, and a side wall connected with the first surface and the second surface. The wavelength conversion layer is at least arranged on the first surface of the LED chip; the electrode expansion structure is arranged on the second surface of the LED chip; the packaging layer at least surrounds the LED chip, the wavelength conversion layer and the electrode expansion structure; and at least one functional structure module selected from the group consisting of the following structure modules. The method can flexibly adapt to different application scenes.

This invention belongs to the field of computer security technology and relates to a container isolation and hardening method and system based on restricted eBPF technology. The method mainly includes: constructing an eBPF program capable of hardening container security isolation; attaching the eBPF program to kernel hook points; triggering the eBPF program and executing corresponding security protection logic when the kernel executes a critical point on a specific path; constructing a two-level eBPF function permission restriction model based on eBPF program granularity and eBPF helper function granularity; and using this two-level eBPF function permission restriction model to restrict the eBPF functions of the container, enabling the secure use of eBPF technology in container isolation and hardening scenarios. This invention improves the security of container environment isolation while ensuring that eBPF technology itself is not maliciously exploited, making eBPF technology more adaptable to container environments and enhancing its flexibility and security at the container level.

The utility model discloses a kind of power isolation circuit, power sequencer and power sequencer machine case, it is related to electronic equipment technical field.Power isolation circuit includes multiple isolation transformers, each the isolation transformer includes first coil, second coil and a magnetic core, the first coil and the second coil are all wound on the magnetic core;Two ends of the first coil are used as the input end of the isolation transformer, for corresponding connection power output channel of power sequencer circuit;Two ends of the second coil are used as the output end of the isolation transformer, for output power.The power isolation performance of embodiment of the application can be enhanced, reduce the interference between equipment.

This invention relates to the field of switching power supply technology, specifically providing an isolated power supply circuit aimed at solving the problems of low integration, poor output consistency, and high cost and energy consumption in existing multi-channel isolated power supplies. To this end, the invention comprises: a power control and drive module, an isolation module, a rectification, filtering, and voltage regulation module, an anti-interference module, and a load module. The power control and drive module receives power, generates a drive voltage signal, and outputs the drive voltage signal to the isolation module, while simultaneously outputting a ground potential voltage signal to the anti-interference module. The isolation module achieves voltage signal isolation output through internal electromagnetic coupling, outputting the isolated voltage signal to the rectification and filtering module. The anti-interference module outputs the filtered, interference-free ground potential voltage signal to the rectification and filtering module. The rectification and filtering module performs rectification and filtering processes, outputting a stable voltage signal to the load module. This invention features high integration and high output consistency.

The application provides a diamond vapor deposition device using carbon dioxide as a carbon source, and relates to the technical field of diamond vapor deposition. The device comprises a microwave system for generating microwaves, and a plasma reaction cavity comprising a cavity and a liftable substrate table. A vertically extending hollow cylinder is arranged in the middle of the cavity, the axis of the hollow cylinder is opposite to the substrate table, the top of the hollow cylinder is connected to the inner side wall of the cavity through a first flat plate, a plurality of first through holes are arranged on the first flat plate, the first through holes are connected to an air outlet through a pipeline, a boss is arranged below the substrate table, the boss is attached to the inner wall of the hollow cylinder during the lifting of the substrate table, and isolation is formed, and a connecting mechanism for maintaining the height of the boss is arranged between the boss and the first flat plate. The cavity is isolated into two parts, the reaction gas, i.e. carbon dioxide, is prevented from entering the position below the substrate table, and the limitation of the overlapping area is eliminated.

This invention relates to the field of explosion-proof sensor technology and discloses a resin-encapsulated explosion-proof sensor. The sensor comprises: a cavity formed by combining the gas collecting hood cover and the gas collecting hood base; a gas-sensitive detection component, an expansion isolation component, and a secondary fast-sealing component sequentially installed from top to bottom within the cavity; the gas-sensitive detection component for real-time detection of hydrogen content in the air; and the expansion isolation component, through rapid filling with expansion material, achieving rapid gas isolation within the cavity via physical properties, thus providing a safe early warning effect. When the hydrogen concentration within the sensor's gas collecting hood exceeds the standard, the expansion material in the liquid bladder is triggered and rapidly expands. Because the liquid bladder is installed in a specific position, the expanded material quickly fills the surrounding space, separating the gas-sensitive detection cavity from the hydrogen and preventing further hydrogen diffusion, thereby achieving the function of rapid gas isolation and providing a safe early warning effect.

The utility model provides a battery monomer, a battery device and electric equipment. The battery monomer comprises a shell, an electrode assembly and an insulating part, the electrode assembly is arranged in the accommodating cavity of the shell and comprises a plurality of first pole pieces, a plurality of second pole pieces and an electrolyte layer, the electrolyte layer is used for isolating the first pole pieces from the second pole pieces, each first pole piece comprises a first current collector and a first active material layer, and each second pole piece comprises a second current collector and a second active material layer; one part of the first active material layer protrudes out of the peripheral surface of the second active material layer, the first active material layer comprises a base body part and a thinned part, the thinned part is arranged along the periphery of the base body part, and the thickness of the base body part is larger than that of the thinned part; the insulating part is arranged on one side, deviating from the first current collector, of the thinned part along the stacking direction; and the orthographic projection of the insulating part is overlapped with the orthographic projection of the second active material layer. According to the battery monomer provided by the invention, the insulating part inhibits the lap joint of the first pole piece and the second pole piece.

The utility model relates to an automatic in-out exchange system for contact lens sterilization, comprising a partition wall, a partition cavity is formed in the partition wall, a movement track is installed in the partition cavity, a conveying trolley is installed on the movement track, a first isolation device is installed on the outer surface of one side of the partition wall and penetrates into the partition cavity, a second isolation device is installed on the outer surface of the other side of the partition wall and penetrates into the partition cavity, and the first isolation device and the second isolation device are staggered. The multiple isolation devices increase the sterilization effect.

The application relates to an automatic grinding wheel changing servo grinding spindle and a grinding wheel changing method, which comprises a spindle shell, a water jacket, a stator coil, a rotor, a spindle core shaft, a dynamic balance spacer sleeve, a front spindle bearing, a spacer sleeve, a front bearing mounting cover, a labyrinth spacer ring, a grinding wheel chuck, a rear spindle mounting base, a rear spindle bearing, a water jacket spacer ring, a floating oil cylinder tool changing mechanism mounting base, a floating oil cylinder tool changing mechanism, a hollow position feedback mechanism and a puller mechanism and the like. The application has the advantages of simple structure, convenient use, built-in stator-rotor structure of the servo grinding spindle, complete unloading tool changing realized by the floating oil cylinder tool changing mechanism, effective protection of the spindle bearing precision, shared gas path for the front end air isolation and the taper hole air blowing of the spindle, automatic switching during the loose puller, safe and reliable positioning and fixing of the grinding wheel chuck by the outer taper surface of the tool changing cylinder, the inner taper surface of the grinding wheel chuck and the steel ball positioning, and multiple butterfly spring locking, high stable constant linear speed grinding realized by the hollow position feedback mechanism at the tail end.

This utility model relates to the agricultural field and discloses a pesticide effectiveness zoning test device. This utility model uses a limiting device to isolate two adjacent experimental planting areas by inserting a partition plate into the connection point. One side of the support plate on each side rests against the ground. Soil from the edge of the planting area can then be piled onto the support plate, forming a barrier on the ground. The partition plate separates the underground soil at the connection point. After the partition plate is inserted, the threaded rod can be manually turned, causing the abutment rod to slide downwards in the rectangular cavity. Several limiting rods slide outwards through sliding holes and are horizontally inserted into the soil, providing secondary limiting and fixing of the inserted partition plate. This prevents the partition plate from loosening or being pulled out if the soil becomes loose or is subjected to external force such as stones or plant roots during use, thus improving the isolation effect and ensuring the accuracy and reliability of the test data.

The utility model belongs to the technical field of AP routers, and particularly relates to an explosion-proof AP router, which comprises a box body for accommodating electronic elements and a cover plate matched with the box body for sealing, a first sealing part is arranged at the opening end of the box body, and a second sealing part matched with the first sealing part is arranged on the inner side of the cover plate. The opposite faces of the first sealing part and the second sealing part are each provided with two matched sealing grooves, an inflatable rubber ring is assembled in each sealing groove to serve as a sealing piece, bolts are assembled on the portions, located on the first sealing part and the second sealing part, of the cover plate through rotating seats, and a concave abutting block is assembled on the side, close to the interior of the box body, of the first sealing part. A limiting guide rod and an extrusion block are arranged on one side of the concave abutting block, a screw hole matched with the bolt in a threaded mode is formed in the concave abutting block, and the positions of two oppositely-arranged abutting portions of the screw hole correspond to the two sets of sealing grooves respectively. The method is suitable for chemical and petroleum dangerous environments.

The application relates to the technical field of release agent preparation, in particular to a release agent, a preparation method and a use method, the preparation method comprising the following steps: adding starch into water of a first preset temperature and uniformly stirring to obtain a first product after gelatinization; adding protective powder and aluminum hydroxide into the first product of a second preset temperature and uniformly stirring to obtain the release agent; wherein the second preset temperature is lower than the first preset temperature. The preparation method selects common materials to form the release agent, the required cost is low, when the release agent is used, the release agent only needs to be sprayed to a high-temperature surface to be processed, the danger in use is reduced, the prepared release agent is not easy to damage the workpiece to be processed and the processing machine, and the subsequent maintenance cost is reduced.

The utility model provides a modularization insulation shield cover relates to insulation shield cover field, include: shield cover main part, the bottom of shield cover main part is hinged with apron, both ends of apron one side all are fixed with the rotating plate, one end of two rotating plates all are hinged with pull rod, one end of two pull rods all are hinged with connecting seat, fixed connection through the connecting plate between two connecting seats, the middle part of connecting plate top is fixed with pull rope, based on the modularization insulation shield cover of the embodiment of the application, when carrying out insulation closed to the conductor, shield cover main part covers on the conductor, under the elastic action of reset subassembly, drive connecting seat downward reset, connecting seat drive the reset of pull rod, pull rod drive rotating plate reset, thereby drive apron reset, make apron cover in the bottom of shield cover main part, and under the cooperation of connecting subassembly, connect apron together with shield cover main part, like this can completely close the conductor, the full insulation isolation of conductor is convenient, has improved the isolation effect of conductor.

The invention discloses a sealed cobalt removal device and method, assembly equipment and a polycrystalline diamond compact. The sealed cobalt removal device comprises a packaging mechanism, a clamping mechanism, a composite sealing ring and a containing mechanism. The clamping mechanism is arranged in the packaging mechanism, and the clamping mechanism is used for clamping a workpiece to be subjected to cobalt removal; the composite sealing ring is embedded in the top of the clamping mechanism, the composite sealing ring is arranged on the workpiece to be subjected to cobalt removal in a sleeving mode, the composite sealing ring comprises a first sealing body and a second sealing body embedded in the inner side wall of the first sealing body, and the second sealing body is arranged on the outer wall of the composite layer or the junction of the composite layer and the base body in a sleeving mode. The first sealing body is used for blocking the cobalt removal reagent, and the second sealing body is made of a material which can react with the cobalt removal reagent or does not react with the cobalt removal reagent; the containing mechanism is arranged in the packaging mechanism, the bottom of the containing mechanism is tightly pressed on the top face of the first sealing body, an inner cavity used for containing a cobalt removal reagent is formed in the containing mechanism, and the inner cavity communicates with the top face of the composite layer; the method has the advantages that the isolation performance of the alloy part of the composite sheet on the cobalt removal reagent is improved, the corrosion effect is reduced, and the product quality is improved.

This disclosure provides a semiconductor device and a method for manufacturing the same, as well as an electronic device. The method includes forming a stacked structure on a substrate; forming a plurality of initial isolation structures arranged along a first direction and extending along a second direction in the stacked structure; wherein at least one initial isolation structure contains a cavity; forming a trench on at least one of the opposite sides of the initial isolation structures along the second direction, the trench extending along the first direction, and the sidewalls of the trench exposing the plurality of initial isolation structures; laterally etching the plurality of initial isolation structures based on the trench to expose the cavity; filling the space and cavity where the initial isolation structures are removed based on the trench with an isolation material, the remaining initial isolation structures and isolation material constituting an isolation structure. This isolation structure after eliminating cavities can improve the consistency of isolation performance between functional devices located on opposite sides of the isolation structure along the first direction, and improve the process window and device reliability during semiconductor device fabrication.

The utility model provides a fan tower drum double-door lock, a fan tower drum door comprises an outer door body and an inner door body, the double-door lock comprises an outer door lock arranged on the outer door body, the outer door lock has a first state and a second state, the inner door lock is arranged on the inner door body, the inner door lock has a third state and a fourth state, and when the inner door lock is in the third state, the inner door lock is in the fourth state. When the inner door lock is in the first state, the key assembly is connected with the inner door lock in a clamped mode, the outer door lock is in the first state, when the inner door lock is in the fourth state, the key assembly is separated from the inner door lock, and the key assembly switches the outer door lock to the second state. According to the linkage design that the key assembly can be pulled out only after the key assembly locks the inner door, and then the outer door can be locked, the problem that a ventilation system loses efficacy due to work negligence that only the outer door is locked and the inner door is not locked is solved, and the noise isolation performance of the two door bodies during working of the fan is improved due to the fact that the two doors are locked at the same time.

The application discloses an image sensor and a manufacturing method thereof, and belongs to the technical field of semiconductors. The image sensor comprises a substrate, a photoelectric sensing area and a logic area, the substrate comprises a front surface and a back surface arranged oppositely, a plurality of photodiodes are arranged at the photoelectric sensing area at intervals from the front surface of the substrate, a plurality of semiconductor devices are arranged at the logic area at intervals from the front surface of the substrate, at least one back surface transistor is arranged at the logic area from the back surface of the substrate, the back surface transistor comprises a pair of doped areas arranged at intervals in the substrate, a plurality of deep trench isolation structures are arranged at least on both sides of the photodiodes and the back surface transistor from the back surface of the substrate, and a plurality of metal grids are arranged at least on the deep trench isolation structures on both sides of the photodiodes and on the substrate between the pair of doped areas. The image sensor and the manufacturing method thereof provided by the application meet the requirement of high complexity of the logic area circuit, improve the flexibility of chip design, and reduce the occupied area of the logic area.