68 results about "Electric fuses" patented technology

The invention provides a semiconductor test structure and a test method thereof. The semiconductor test structure is arranged on a scribing channel of a wafer, and comprises a transistor which comprises a substrate, a source electrode, a drain electrode and a grid electrode; the electric fuse comprises a first end and a second end; wherein the source electrode is electrically connected to the first bonding pad through a first metal wire, the second end of the electric fuse is electrically connected to the second bonding pad through a second metal wire, the drain electrode, the substrate and the first end of the electric fuse are electrically connected to the third bonding pad through corresponding third metal wires, and the grid electrode is electrically connected to the fourth bonding pad through a fourth metal wire. Voltage is applied to the first bonding pad, the second bonding pad, the third bonding pad and the fourth bonding pad by adopting a preset rule so as to test the resistance of the electric fuse and the performance of the transistor. According to the technical scheme, the resistance of the electric fuse and the performance of the transistor can be simultaneously monitored in the line in the wafer manufacturing process, the process is rapidly adjusted, and the flexibility of the process is improved.

The invention discloses a firework emission accurate control method based on sensor fusion. The firework emission accurate control method comprises the following steps: S1, configuring a firework control module; s2, installing a firework control module at the top of a firework shell, and carrying out initialization; s3, collecting real-time attitude data, and performing Kalman filtering processing; s4, collecting air pressure data, and calculating the relative flight height; s5, constructing a display shell flight trajectory prediction model, and calculating a trajectory deviation value; s6, judging whether the attitude prediction value, the height prediction value and the trajectory deviation value meet requirements or not; s7, if the judgment conditions are met at the same time, an electric blasting fuse is triggered to ignite the display shell; s8, the posture prediction value, the track deviation value and the set-off state mark are sent to a multi-bullet cooperative control unit; and S9, coordinating the display shell to synchronously set off according to a preset pattern. According to the method, sensor data, Kalman filtering and a trajectory prediction modeling method are fused, display shell attitude judgment and collaborative setting-off are achieved, and the method has the advantages of being accurate, safe and high in synchronism.

The utility model discloses a power distribution circuit board of an energy storage system and the energy storage system, the power distribution circuit board of the energy storage system comprises a three-phase load power supply module, the three-phase load power supply module comprises a first AC copper bar, a first onboard fuse base and a first connector, the first connector is coupled to the first AC copper bar through the first onboard fuse base, and the first connector is coupled to the first AC copper bar through the first onboard fuse base; the first connector is used for connecting three-phase alternating current electric equipment; the single-phase load power supply module comprises a second alternating-current copper bar, a second onboard fuse base and a second connector, the second connector is coupled to the second alternating-current copper bar through the second onboard fuse base, and the second connector is used for being connected with single-phase alternating-current electric equipment; the direct current load power supply module comprises a direct current copper bar, an electric fuse and a third connector, the third connector is coupled to the direct current copper bar through the electric fuse, and the third connector is used for being connected with direct current electric equipment. According to the embodiment of the invention, the size of the power distribution module of the energy storage system can be reduced, and the usability of the power distribution module can be improved.

The invention provides an access control method and equipment of a storage circuit and a storage medium. The memory circuit is provided with a reading unit, also can be called a reading circuit, the reading unit is provided with an electric fuse, and the method comprises the following steps: setting a plurality of different reference resistance values for the reading unit; comparing the resistance value of the electric fuse with any reference resistance value; if the resistance value of the electric fuse is smaller than any reference resistance value, determining that the electric fuse is not burnt; and if the resistance value of the electric fuse is greater than any reference resistance value, determining that the electric fuse is burnt. On the basis, a plurality of reference resistance values used for reading the circuit are set, it is guaranteed that the reference resistance values cover the change range of the process corner, and therefore the product yield can be improved.

The present disclosure relates to an electrical fuse having a fuse link along a sidewall of a non-active gate structure. An electronic fuse includes a non-active gate structure located over a substrate and a fuse link along at least one sidewall of the non-active gate structure. A first terminal is located at a first end of the fuse link and a second terminal is located at a second end of the fuse link. The fuse link takes the form of a conductive metal spacer along at least one sidewall of the non-active gate structure and can be formed without a silicide process. Although the e-fuse can be used with any semiconductor device, use with, for example, a III-V semiconductor device is advantageous. The method of manufacturing the e-fuse does not require any additional masks and provides a fuse link with sub-lithographic level width dimensions.

The utility model discloses a kind of pipeline butt joint auxiliary tools, belong to pipeline butt joint technical field, comprising: two arc hoop plates, detachably installed in the outer wall of one of pipeline, slidingly set movable arc plate on arc hoop plate;Impact end plate, set in one end of movable arc plate, the inner diameter of impact end plate is greater than the inner diameter of arc hoop plate;Connecting assembly, is located on movable arc plate;Knocking plate, set in the outer wall of movable arc plate;The present scheme is different from the mode that current hammer directly hammers electric melting sleeve, can significantly reduce the damage caused to electric melting sleeve and its internal electric melting wire, and the contact area of impact end plate and electric melting sleeve end portion is large, and the impact force to electric melting sleeve is more uniform, not only can reduce the situation that electric melting sleeve concentrated stress causes damage, and uniform stress also can make that electric melting sleeve moves more smoothly, save more labor and time, butt joint efficiency has greater promotion, reduce construction cost.

The invention discloses an over-current protection fuse, and relates to the technical field of electric power fuses, the over-current protection fuse comprises an insulator, a fixed shell and a fuse tube, two ends of the insulator are respectively provided with an upper contact and a lower contact; the fixed shells are electrically connected with the lower contact, the number of the fixed shells is two, the two fixed shells are symmetrically arranged relative to the insulator, the two fixed shells are internally provided with switching-on and switching-off units, and a turnover shaft is rotatably arranged between the two fixed shells; one end of the fuse tube is electrically connected with the overturning shaft, and the other end of the fuse tube abuts against the upper contact through the abutting assembly. A pull rope is arranged between the two fixed shells, the pull rope can drive the turnover shaft to rotate forwards or reversely through the switching-on and switching-off unit, when the turnover shaft rotates forwards, the fuse tube can abut against the upper contact to be switched on, and when the turnover shaft rotates reversely, the fuse tube can be separated from the upper contact to be switched off. According to the over-current protection fuse provided by the invention, the problem of poor contact between the fuse tube and the upper contact possibly caused by different angles of pushing the fuse tube at present can be solved.

The utility model relates to the technical field of electric smelting brick production and processing, and discloses an electric smelting brick centering clamping mechanism which comprises a clamping seat, two clamping plates are slidably connected in the clamping seat, a screw rod is in threaded connection with the upper side of the interior of each clamping plate, a first handle is fixedly connected to the top end of each screw rod, a pressing plate is fixedly connected to the bottom end of each screw rod, and a second handle is fixedly connected to the bottom end of each pressing plate. Two sliding rods are fixedly connected into the clamping base, a fixing block is fixedly connected to the inner bottom wall of the clamping base, an air cylinder is fixedly connected to one side of the fixing block, a connecting plate is fixedly connected to the output end of the air cylinder, the top end of the connecting plate is fixedly connected to the bottom end of one clamping plate, and a connecting shaft is rotationally connected into the clamping base. The top end of the connecting shaft is fixedly connected with a turntable. According to the electric smelting brick clamping device, through mutual cooperation of the air cylinders, the connecting plates, the pressing plates, the connecting rods, the lead screws and other structures, electric smelting bricks can be clamped in the transverse direction and the longitudinal direction, and the electric smelting bricks with different lengths and thicknesses can be clamped.

This application discloses an electrical parameter adjustment method, apparatus, device, storage medium, and program product. The method includes: detecting the difference between the actual value and the ideal value of the electrical parameter to be adjusted in an integrated circuit, and determining a target adjustment direction and a target adjustment step size n based on the difference; determining the parity attribute of a target adjustment code based on the target adjustment direction, with a one-to-one correspondence between the adjustment direction and the parity attribute of the electrical parameter; determining the target adjustment code according to the adjustment step size n and the parity attribute allocation rule, and writing the target adjustment code into an electric fuse; wherein the parity attribute allocation rule is that when the parity attribute of the target adjustment code is odd, the value of the target adjustment code is 2n-1; when the parity attribute of the target adjustment code is even, the value of the target adjustment code is 2n, and the target adjustment code is used to control the on / off state of the corresponding switching transistor and the adjustment resistor to achieve the adjustment of the electrical parameter to be adjusted.

Relates to an electric fuse, which includes a fuse element (2) that extends through a ceramic electrical insulating cylindrical housing (1). The housing is sealed and enclosed at each end by a conductive cap (3), and the fuse element (2) is electrically connected to the conductive cap. Thus, through simple and low-cost measures, it can be ensured that such a fuse can also be applied to a circuit with the same overall dimensions as a circuit protected by a common existing fuse at a voltage higher than the nominal voltage. However, in the case of an electrical overload, this fuse can still interrupt the circuit extending through it, thereby also avoiding mechanical damage or even destruction of the ceramic insulating housing (1), which would otherwise cause the generated electric arc to potentially expand from inside the housing (1) to the outside of the fuse.

A described example includes a circuit. The circuit can include a current sense circuit having a sense input and a sense output, in which the sense input is coupled to an input terminal. A comparator has a first comparator input, a second comparator input, and a comparator output, in which the first comparator input is coupled to the sense output, the second comparator input is coupled to a threshold terminal, and the comparator output is coupled to a fuse terminal. A current programming circuit has a current input and a current output, in which the current input is coupled to the sense output. A first circuit is coupled between the sense output and a ground terminal. A second circuit is coupled between the current output and the ground terminal.

Invention refers to an electric fuse (1) with knife blade contacts (5, 5') and a complex melting assembly (4). The purpose of the invention is creation of an electric fuse (1) with knife blade contacts (5, 5') and a complex melting assembly (4), which should upon integration into a high-performance DC electric circuit assure a durable and reliable protection thereof despite to occasionally interrupting and re-establishing the electric circuit, and also despite to essential oscillations of the electric voltage within said electric circuit, in which the fuse (1) is integrated, wherein also all loadings, to which said melting assembly (4) is exposed, would have to be uniformly distributed among all disposable single melting members (4', 4", 4"', 4iv, 4v, 4vi) in said melting assembly (4). According to the invention, the throughout passage (200) within the casing (2) of the fuse is cylindrical, and the transversal cross-section thereof is a regular circle. A melting assembly (4) is inserted within said throughout passage (200) and consists of six equidistantly spaced melting members (4', 4", 4"', 4iv, 4v, 4vi), which are arranged on diagonals of a regular hexagon, inscribed in said regular circle of the cross-section.

The invention relates to power supply-based die thermal sensing compensation. An integrated circuit includes an analog-to-digital converter (ADC) associated with a thermal sensor for determining a current supply value of a supply voltage of the thermal sensor. The electric fuse register stores a set of calibrated temperature values from the thermal sensor for each of the plurality of supply values. Control logic is coupled to the ADC and the electric fuse register. The control logic reads a current power supply value from the ADC and generates a calibration equation based on the current power supply value and the plurality of power supply values, the calibration equation associating a calibrated temperature value with a thermal sensor value for the current power supply value.

A semiconductor structure includes a memory array including a plurality of memory cells arranged in a plurality of rows and a plurality of columns. In some aspects, each memory cell is implemented as an eFuse cell. The semiconductor structure further includes a row decoder configured to receive a row address of the memory array. The semiconductor structure further includes a column decoder configured to receive a column address of the memory array. The semiconductor structure further includes an input / output circuit configured to access each of the plurality of memory cells. The semiconductor structure further includes a control logic circuit coupled to the memory array, the row decoder, the column decoder, and the input / output circuit.

The invention relates to a cell contacting system by means of which elementary storage cells are electrically connected to one another in series and / or parallel circuits in order to form a battery module and / or pack, and at least one electrical contact for a pole of an elementary storage cell is in the form of an electrical fuse element in the cell contacting system. The aim of the invention is to improve a cell contacting system comprising electrical fuse elements. This is achieved in that the cell contacting system (1) is provided with fuse elements (6, 8) for each elementary storage cell (3) as protection against a low-resistance short circuit and as protection against a medium-resistance short circuit.

The utility model discloses a double-electric-melting plastic pipe fitting which comprises a pipe body inner layer and a pipe body outer layer, and a gap is formed between the pipe body inner layer and the pipe body outer layer. An inner layer heating wire is arranged on the side wall, close to the outer pipe body layer, of the inner pipe body layer, an outer layer heating wire corresponding to the inner layer heating wire is arranged on the side wall, close to the inner pipe body layer, of the outer pipe body layer, the inner pipe body layer and the inner surface of the welding pipe are welded in a matched mode, and the outer pipe body layer and the outer surface of the welding pipe are welded in a matched mode. The double-electrofusion pipe fitting is reliable in structure, good in use performance and convenient to operate, the double-electrofusion pipe fitting is assembled on the welding pipe, the inner layer of the pipe body is welded to the inner surface of the welding pipe in a matched mode, the outer layer of the pipe body is welded to the outer surface of the welding pipe in a matched mode, the inner surface and the outer surface of the welding pipe are welded to the pipe fitting into a whole, and therefore the welding area and the pressure bearing capacity of the pipe fitting and the pipe are improved.

An expansion card auxiliary power cable assembly with an integrated electrical fuse is disclosed that includes a paddle board, a power connector mounted to the paddle board, an adapter output connector, an adapter cable extending from the paddle board to the adapter output connector, an auxiliary output connector, and an auxiliary cable extending from the paddle board to the auxiliary output connector. The power connector is connected to a power output connector of a main system board of the computing system, the riser output connector is connected to the riser card, and the auxiliary output connector is connected to the expansion card. The paddle board includes electrical fuses configured to control power supplied from the power connector to the adapter output connector and power supplied from the power connector to the auxiliary output connector.

The present invention relates to the field of equipment for manufacturing reinforced pipes, and specifically to a wire laying device for manufacturing wear-resistant HDPE wound reinforced pipes, which includes a gantry. A workbench for fixing the HDPE wound reinforced pipe is arranged on the gantry. The wire laying device further includes: a wire pressing mechanism arranged on the gantry. After the HDPE wound reinforced pipe is fixed on the workbench, the wire pressing mechanism is started to press the electric fuse ring onto the inner wall of the socket of the HDPE wound reinforced pipe blank. A centering adjustment mechanism and a tensioning mechanism are arranged on the wire pressing mechanism. During the process of pressing and feeding the electric fuse ring, the wire pressing mechanism drives the centering adjustment mechanism to perform coaxial self-adaptive adjustment on the electric fuse ring and the socket of the HDPE wound reinforced pipe blank, and at the same time drives the tensioning mechanism to support and tighten the electric fuse ring from the inside, so as to avoid deformation of the electric fuse ring during the process of pressing it onto the inner wall of the socket of the HDPE wound reinforced pipe blank. This wire laying device for manufacturing wear-resistant HDPE wound reinforced pipes avoids deviation in wire laying and improves the precision and effect of wire laying.

The utility model discloses a wireless remote control push rod formula fall safety belt live fuse replacement insulating clamp device belongs to fuse replacement device technical field, include: clamping assembly, clamping assembly is provided with two groups and clamping assembly is arranged on the base plate, clamping assembly includes with mobile clamp of base plate swing joint and with fixed clamp of base plate fixed, insulating clamp, insulating clamp is provided with two groups and insulating clamp with clamping assembly cooperation, two groups of insulating clamp between through metal wire is communicated, the clamping arm of insulating clamp is located between mobile clamp and fixed clamp, through with clamping assembly cooperation and use drive assembly of clamping assembly are arranged on the positive and negative two sides of base plate can reduce the occupied area of base plate to the favorable regulation and control of the distance between two groups of insulating clamp, in addition, when insulating clamp and fuse holder hold, clamping assembly and insulating clamp can separate, and use is more convenient.

The utility model relates to the technical field of hardness detection devices, and discloses an electric smelting brick hardness detection device which comprises a workbench, the upper portion of the workbench is fixedly connected with a fixing frame, the rear portion of the fixing frame is fixedly connected with a transverse plate, the front portion of the transverse plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a rotating plate. A second positioning rod is fixedly connected to one side of the rotating plate, a fixing plate is fixedly connected to the interior of the transverse plate, a first positioning rod is fixedly connected to one side of the fixing plate, a first adjusting rod is rotatably connected to the exterior of the first positioning rod, and the second positioning rod is slidably connected to the interior of the first adjusting rod; and a second adjusting rod is rotationally connected into the first adjusting rod. According to the device, the position of the hardness detection plate can be conveniently adjusted, the application range of the device is widened, the detection precision is improved, bricks can be effectively clamped and fixed, and the stability and repeatability of testing are ensured.

Several aspects of this revelation provide an electrical fuse memory. The electrical fuse memory can include a plurality of memory cell blocks, each memory cell block of the plurality of memory cell blocks comprising a plurality of electrical fuse memory cells; a pointer circuit configured to access one or more electrical fuse memory cells of all memory cell blocks of the plurality of memory cell blocks; and a control circuit configured to control access to the plurality of electrical fuse memory cells of all memory cell blocks of the plurality of memory cell blocks using the pointer circuit to access the one or more electrical fuse memory cells to be accessed.

The present application relates to the field of electric fusion joints, in particular to electric fusion joints, comprising an electric fusion layer, a heat preservation layer is sheathed on the outside of the electric fusion layer, an insulating layer is sheathed on the outside of the heat preservation layer, the electric fusion layer comprises an electric fusion sleeve and an electric heating wire, a connecting ring is fixedly installed in the middle of the inner side of the electric fusion sleeve, and the cross section of the connecting ring is a "Y"-shaped structure, a heat conduction ring is provided in the middle of the electric fusion sleeve, a fixing ring is fixedly installed in the middle of the inner side of the heat conduction ring, and memory metal sheets are fixedly installed on both sides of the fixing ring, the heat conduction ring is arranged inside the electric fusion sleeve, and the fixing ring and the memory metal sheet are arranged inside the connecting ring, and the material of the connecting ring is high temperature resistant rubber, and the fixing ring and the memory metal sheet are arranged inside the connecting ring, and the material of the connecting ring is high temperature resistant rubber, so that the memory metal sheet is deformed by heat and the side of the connecting ring is tightly attached to the pipe, thereby filling and blocking the gap between the pipes.

The invention relates to the related technical field of electrofusion pipe fittings, and discloses an electrofusion pipe fitting integrated with a low-temperature-resistant intelligent material, the electrofusion pipe fitting comprises a pipe fitting shell and a cleaning assembly, the outer side surface of the pipe fitting shell is provided with a direct current plug-in used for splicing an external pipeline, and the direct current plug-in is internally provided with a conducting rod used for connecting direct current; the top of the direct-current plug-in unit is provided with a sealing pad used for protecting a conducting rod, and the left side and the right side of the pipe fitting shell are provided with a first pipeline and a second pipeline correspondingly, the electromagnets on the second air bag and the third air bag are used for releasing magnetic attraction force to the iron blocks, so that the electromagnets are attached to the oppositely-arranged iron blocks; in this way, the second air bag and the third air bag are both in a pressed state, the purpose of conveying air to the first air bag is achieved, when the first air bag is in an expanded state, the extrusion force between the scraper and the outer side surface of the first pipeline can be increased, and ice adhering to the outer side of the first pipeline can be conveniently scraped and cleaned.

The invention discloses a semiconductor element and a manufacturing method thereof. The semiconductor element comprises an insulating structure, a first electric fuse element, a second electric fuse element, a first gap wall, a second gap wall and an epitaxial structure. The insulating structure is disposed in the substrate. The first electric fuse element and the second electric fuse element are respectively arranged on two sides of the insulating structure, wherein the first electric fuse element and the second electric fuse element respectively comprise a semiconductor layer arranged on the substrate and a mask layer arranged on the semiconductor layer. The first spacer partially covers a sidewall of the semiconductor layer of the first electric fuse element adjacent to the insulating structure, and the second spacer partially covers a sidewall of the semiconductor layer of the second electric fuse element adjacent to the insulating structure. The epitaxial structure is disposed over the insulating structure and electrically connects the semiconductor layer of the first electric fuse element and the semiconductor layer of the second electric fuse element.

According to the electric fuse structure and the preparation method thereof provided by the invention, the blind grooves are formed in the polycrystalline silicon layer at the two ends of the fuse region in the non-length direction and are filled with the barrier layers, so that the problems that in the prior art, the electric fuse structure is low in burning adjustment yield, the burning adjustment position is not fixed, and the structure is possibly damaged due to too high heat in the burning adjustment process are effectively solved. According to the structural design, the cross sectional area of the polycrystalline silicon layer in the fuse area can be reduced, so that the resistance at the position is increased, charges are more easily concentrated in the polycrystalline silicon layer fuse area forming the blind groove in the burning process, heat is distributed in a concentrated manner, and the burning efficiency and reliability are remarkably improved. Besides, only one layer of photomask for forming the blind groove needs to be added, the cost is low, the process is simple, the method is not only suitable for different polycrystalline silicon layer structures, but also suitable for different polycrystalline silicon node processes, and the universality of the electric fuse structure is further improved.

The utility model relates to the technical field of welding joints with resistors in the joints, and discloses a double-leakage-proof gas electric melting pipe fitting based on intelligent protection, which comprises a gas pipe, an electric melting pipe fitting body is sleeved on the outer surface of the gas pipe, two electric fuses are fixedly connected on the inner surface of the electric melting pipe fitting body, and the electric fuses are connected with the electric melting pipe fitting body. Two sealing rubber rings are fixedly connected to the inner surface of the electric smelting pipe fitting body, two wiring terminals are fixedly connected to the upper side of the outer surface of the electric smelting pipe fitting body, a mounting ring groove is formed in the outer surface of the electric smelting pipe fitting body, a plurality of limiting inserting grooves are formed in the front wall and the rear wall of the mounting ring groove, and two clamping mechanisms are arranged in the mounting ring groove. In this way, the detachable knocking block can be arranged on the electric smelting pipe fitting body, so that when the electric smelting pipe fitting body is installed, a worker can drive the electric smelting pipe fitting body to move on a gas pipe through the knocking block, and the worker can conveniently install the electric smelting pipe fitting body on the gas pipe.

The invention relates to the technical field of pipeline engineering repair, in particular to a method for connecting non-standard pipeline pipe heads through a penetrating technology in a pipeline, which comprises the following steps of: S100, determining the outer diameter size of a lining pipe after reducing and rebounding according to the inner diameter of an original pipeline; s200, the inner diameter size and the length of the electric hot melting sleeve are manufactured; s300, determining the thickness of the electric hot melting sleeve according to a pipeline conveying medium and conveying pressure; s400, a thick-wall pipe is manufactured, and a short circuit is cut out according to the size of the electric hot melting sleeve; s500, electric fuses of different specifications are additionally arranged at the two ends of the electric hot melting sleeve according to the thicknesses of the pipe fittings, and the wiring distance of the electric fuses is adjusted according to the technical requirements; and S600, the ends of the two lining pipes to be welded are arranged at the two ends of the electric hot melting sleeve respectively, welding is started, and the lining pipes and the electric hot melting sleeve are welded into a whole. The damaged pipeline can be conveniently and rapidly repaired, and the pipeline repairing efficiency is improved.

In examples, a package comprises a semiconductor die having a device side and a bond pad on the device side, a conductive terminal exposed to an exterior of the package, and an electrical fuse. The electrical fuse comprises a conductive ball coupled to the bond pad, and a bond wire coupled to the conductive terminal. The bond wire is stitch-bonded to the conductive ball.

Various aspects of this disclosure provide an electric fuse memory and a power switch circuit arrangement. The electric fuse memory may include a plurality of memory cell blocks, each memory cell block of the plurality of memory cell blocks comprising a plurality of electric fuse memory cells; a pointer circuit configured to access one or more electric fuse memory cells of all memory cell blocks of the plurality of memory cell blocks; and a control circuit configured to control access to the plurality of electric fuse memory cells of all memory cell blocks of the plurality of memory cell blocks, using the pointer circuit to access the one or more electric fuse memory cells to access.

A semiconductor device includes an insulating structure, a first electrical fuse element, a second electrical fuse element, a first spacer, a second spacer and an epitaxial structure. The insulating structure is disposed in a substrate. The first electrical fuse element and the second electrical fuse element are disposed at two sides of the insulating structure. Each of the first electrical fuse element and the second electrical fuse element includes a semiconductor layer disposed on the substrate and a mask layer disposed on the semiconductor layer. The first spacer partially covers a sidewall of the semiconductor layer of the first electrical fuse element adjacent to the insulating structure. The second spacer partially covers a sidewall of the semiconductor layer of the second electrical fuse element adjacent to the insulating structure. The epitaxial structure is disposed above the insulating structure and electrically connects the two semiconductor layers.