46results about How to "Avoid cutting damage" patented technology

A robust alignment mark used in semiconductor processing to help deter the expansion of cracks and delamination caused by the cutting of a dicing blade. A cross-shaped structure is used as a line site for alignment of the dicing blade. A plurality of rectangular elements is situated about the periphery of the alignment mark and populated with via bar structures that are interconnected at each level of the wafer, and laid in a serpentine fashion throughout each element to expose more of the via bar structure surface area to propagating cracks. The rectangular elements are formed of different sizes to expose more surface area to propagating cracks. A plurality of square, metal-level structures is formed in the area between the cross-shaped structure and the peripherally placed, rectangular elements.

The invention provides a suture anchor assembly. The suture anchor assembly comprises an anchor sleeve and a clamping part, wherein the anchor sleeve is provided with an axial hole and an external thread and implanted into a human body; the clamping part is at least partially arranged in the axial hole and provided with multiple chucks, and gaps are formed among two or more chucks and used for placing sutures, wherein at least part of the wall of the axial hole is in interference fit with the clamping part when the clamping part extends into the anchor sleeve, and the gaps among the multiple chucks shrink to clamp the sutures in the gaps. In the technical scheme, the two ends of the sutures are clamped into a pressurizing device at the same time, it is avoided that since pulling is too tight, the sutures are cut and damaged by the external thread of the anchor sleeve, and knotting is not needed; in addition, by adjusting the implanting depth of the anchor sleeve, the tensile force of the sutures can be adjusted, the sutures are prevented from being too loose or too tight, operation difficulty is lowered, and the efficiency and safety of an operation are promoted.

The invention discloses a metal cutting machine with high safety performance, which comprises a chopping board body, the upper surface of the chopping board body is fixedly connected with a frame, the middle part of the upper surface of the chopping board body is provided with a first chute, and the middle part of the upper surface of the frame is placed with a Skateboard, the middle part of the bottom surface of the slideboard is fixedly connected with the first slider matching the first chute, and the first slider is clamped in the first chute, and the lower parts of the left and right sides of the frame are provided with through holes. The left and right sides of the frame are fixedly connected with connecting rods, and the end of the connecting rod away from the slide plate passes through the through hole and extends to the outside of the frame, and the side of the connecting rod away from the slide plate is fixedly connected with a tie rod. The metal cutting machine with high safety performance has the effect of stabilizing the metal cutting machine when it is working, making the clamping plate have the effect of clamping metal materials, and having the effect of people moving the slide plate back and forth outside the frame to cut, and has the protection Advantages of personnel safety.

The invention discloses auxiliary tool for operation and provides an operation line fixing box. The fixing box comprises a box body and a box cover; the box body and the box cover form a rectangular cavity; the upper part, close to the cavity, of the box body is provided with a groove in which a ball is arranged; the wall of the cavity is provided with a protrusion and a button penetrating the cavity, and a line winding column is arranged on the other end of the cavity; the operation line passes the groove and is wound on the line winding column; and the upper part of the box cover is provide with a needle box, and the lower part is provided with an elastic sheet, The fixing box has the advantages of avoiding disorder of the operation line, facilitating the addition of the operation line in the operation, improving the nursing quality and efficiency in an operation room, keeping the operation line wet, and avoiding the cutting damage of the tissues due to the over-dry operation line; moreover, the operation needles are fixed in the needle box, a magnet on the bottom part of the needle box can attract the iron-made needles, so that the loss of the needles is avoided. Therefore, the fixing box can greatly reduce nursing risks in the operation, and improve nursing safety.

The invention discloses a horizontal-expansion lumbar vertebrae intervertebral fusion machine which can achieve minimally invasive implantation and relates to the field of medical apparatus and instruments. The fusion machine comprises a fusion machine body and a movable part, the movable part is arranged to slide along an inner cavity of the fusion machine body, a blocking part is fixedly arranged at one end of the fusion machine body, and the blocking part is arranged to prevent the movable part from being separated from the fusion machine body. The upper side surface and the lower side surface of the fusion machine body are provided with rough patterns. The inner cavity is provided with a first hole which runs through the inner cavity up and down and/or a second hole which runs throughthe inner cavity front and back. According to the lumbar vertebrae intervertebral fusion machine, the three-dimensional scale of the fusion machine is small before the fusion machine is spread, the fusion machine can be horizontally spread and expanded after the fusion machine is invasively implanted into the intervertebral gap through the intervertebral hole admission passage, the large bone grafting bed area can be provided, the main body supporting area that the fusion machine is in contact with an end plate is also greatly increased compared with a traditional fusion machine, the good initial stability can be achieved, the intervertebral fusion rate can be further improved, and the fusion machine helps to effectively lower sedimentation of the fusion machine.

The invention belongs to the technical field of concrete and particularly relates to a preparation method and device of translucent self-healing concrete. Through the preparation method and device oftranslucent self-healing concrete, provided by the invention, high-efficiency mechanized and accurate arrangement of optical fibers for translucent concrete is realized, microcracks occurring to the translucent concrete during industrial production are quickly and automatically healed in real time, the structural performance of the concrete is enhanced, and the artistic effect of the translucent self-healing concrete is guaranteed. The device comprises a movable track, a left mechanical hand and a right mechanical hand, wherein the left mechanical hand and the right mechanical hand are arranged on the movable track; a left template and a right template are arranged below the movable track in a matched mode; the left template and the right template are provided with optical fiber holes correspondingly; and the left mechanical hand and the right mechanical hand are arranged between the left template and the right template.

The invention relates to the field of papermaking equipment, and provides a pressing plate type wood cutting device for papermaking in order to solve the problem that when a tree is cut with an existing cutting device, the tree deviates from the initial position due to the fact that vibration can be generated when a cutting knife makes contact with the tree, and the tree is wrongly cut. The pressing plate type wood cutting device for papermaking comprises a cutting platform and a cutting mechanism, the cutting mechanism comprises a cutting knife and an air cylinder, a pressing plate is connected to the lower end of a piston rod of the air cylinder, the cutting knife is connected to the pressing plate, and the tree is cut with the cutting knife after being pressed with the pressing plate. The pressing plate type wood cutting device for papermaking further comprises a collecting box, a partition plate is slidably connected to the interior of the collecting box, convex blocks are arranged on the inner wall of the upper end of the collecting box, and water outlet plates are arranged on the partition plate and can be opened downwards under the action of the convex blocks; water absorption parts are arranged on the bottom face of the collecting box, an outlet is formed in the bottom of the collecting box, a filter screen is installed in the outlet, a water outlet pipe is connected to the outlet, and a driving rod is arranged on the upper end face of the partition plate and connected with the piston of the air cylinder.

The invention discloses a method for processing a laminated chip type electronic component. The method comprises the steps of (S1) separately stacking at least one layer of carbon-based sacrificial sheet on upper and lower surfaces of a multi-layer substrate, wherein the multi-layer substrate is formed by processing multiple single-layer raw porcelain pieces, and circuits are printed on the surfaces of the single-layer raw porcelain pieces, (S2) performing isostatic pressing on a product formed in step (S1), (S3) cutting the product which is subjected to isostatic pressing in step (S2) into asingle component, and (S4) sintering a product cut in step (S3) to obtain the laminated chip type electronic component after the carbon-based sacrificial sheets are completely decomposed and disappearduring the sintering process. According to the method, the cutting damage can be prevented, the adding of new equipment in a production line is not needed, and the method has the advantages of low cost and high efficiency and is suitable for the mass processing of existing laminated chip type electronic components.

The invention belongs to the technical field of picking devices for Chinese prickly ash. In order to improve picking efficiency and reduce picking labor intensity of Chinese prickly ash, the invention discloses a picker for Chinese prickly ash capable of being used at tail ends of picking devices for Chinese prickly ash. The picker for Chinese prickly ash comprises a clamping unit, a shearing unit and a vision unit; the visual unit is used for identifying and positioning a position of to-be-picked Chinese prickly ash; the clamping unit is used for clamping and fixing the to-be-picked Chinese prickly ash positioned by the visual unit; and the shearing unit is used for cutting and picking the Chinese prickly ash fixed by the clamping unit. The picker for Chinese prickly ash can realize remote rapid identification, positioning, cutting and picking of the Chinese prickly ash, so that picking efficiency the Chinese prickly ash is improved and picking labor intensity of the Chinese prickly ash is greatly reduced.

The invention discloses a wire peeling device based on power system cable construction, and a construction method thereof. The device comprises a handle, a top supporting plate, inserting plates, and a side pressing plate, the rear end of the top supporting plate is fixedly connected with the front end of the handle through a connecting vertical plate, and a second U-shaped through hole is dug in the middle of the top supporting plate. Second baffles are arranged on the two sides of the second U-shaped through hole respectively, a circular blade is connected between the two second baffles in a sliding mode through a connecting rod, grooves are dug in the two sides of the top supporting plate respectively, and the inserting plates are inserted into the grooves. A bent plate is arranged at the end portion of each inserting plate, and a cutting assembly is arranged on the bent plate. The device is suitable for cables with different diameters, the distance between the blades can be adjusted according to the thickness of the cable sheath, the cable and the sheath can be quickly separated, the situation that the blades penetrate into the cable sheath too deep and damage a cable core can be avoided, and the device is practical, convenient to use, easy to operate, time-saving, labor-saving, convenient to carry and easy to popularize.

The embodiment of the invention provides a flexible substrate, a state detecting method thereof and a display device and relates to the field of display technology. The state detecting method of the flexible substrate can timely and effectively detect the state of the flexible substrate. The flexible substrate comprises a base substrate, a driving chip arranged on the base substrate, at least onedetecting terminal group arranged on the base substrate, and metal wires connecting the target signal receiving ends and the detecting signal output ends of the detecting terminal groups, wherein theedge of the driving chip is composed of first edges and second edges which are perpendicular to each other, and the length of the first edges is smaller than that of the second edges; every detectingterminal group is composed of one target signal receiving end and one detecting signal output end; the metal wires in partial areas extend along the third edges of the base substrate within a preset distance range, and the third edges are adjacent to one of the first edges, and in the extending direction of the second edges, one of the third edges, one of the first edge, the other first edge and the other third edge are sequentially arranged.

Disclosed are an ultrasonic probe for obtaining an ultrasonic image and a manufacturing method thereof. The ultrasonic probe includes a transducer layer including a piezoelectric layer configured to generate ultrasonic waves and an acoustic layer disposed below the piezoelectric layer, and a matching layer disposed above the piezoelectric layer, wherein the transducer layer includes an active portion configured to transmit and receive ultrasonic waves, and a stepped portion extending outward from the active portion to prevent cutting damage of the active portion.

The embodiment of the invention relates to a manufacturing method for a semiconductor structure, and the method comprises the steps: forming a wafer stacking structure which comprises at least two wafers, wherein each wafer comprises a plurality of chips; performing a cutting step on the wafer stacking structure, and after the cutting step of the wafer stacking structure, enabling the plurality ofchips in the wafer stacking structure to be in an unseparated state; and carrying out the chip separation step, so that the chips in the wafer stacking structure are separated. According to the invention, the mistaken cutting of the chip in the wafer can be effectively avoided, and the performance of the semiconductor structure is improved.

The invention provides a puncture needle assembly with a core. The puncture needle assembly comprises an external puncture needle and a disassembly and assembly needle core; a cavity into which the disassembly and assembly needle core penetrates is formed in the external puncture needle in the length direction of the external puncture needle; the disassembly and assembly needle core is arranged inthe cavity and can move in the length direction of the external puncture needle. Through the puncture needle assembly with the core, on one hand, cutting injuries of puncturing to livers are avoided,and on the other hand, blocking inside the puncture needle is avoided; convenience is brought to doctors in work, and the potential safety hazard is eradicated that patients are injured by puncturing.

The invention discloses an ultrasound-guided brachial plexus nerve block needle set and a use method thereof. The set comprises an outer sheathed needle, an outer sheathed needle core, an inner core needle, an indwelling tube and an indwelling tube connector, and the outer sheathed needle core is matched with the outer sheathed needle. When the outer sheathed needle core is inserted into the outer sheathed needle, the head of the outer sheathed needle core is flush with the head of the outer sheathed needle, the indwelling tube sleeves an inner core needle body, and the position from a side hole to the tip of the inner core needle is exposed to the indwelling tube. When the inner core needle sleeved by the indwelling tube is inserted into the outer sheathed needle, the tail end of the indwelling tube extends out of the head of the outer sheathed needle, and the indwelling tube connector is matched with the indwelling tube. According to the use method, the outer sheathed needle core and the outer sheathed needle in inserted connection are placed outside a brachial plexus nerve sheath in a combined manner. The inner core needle sleeved by the indwelling tube is inserted into the outer sheathed needle and fixedly connected with the outer sheathed needle in an inserted manner, the set punctures a target nerve, local anesthetics are injected after confirmation of puncture, the step can be repeated if a plurality of nerves need to be blocked, and the indwelling tube is retained. The puncture pain of a patient is greatly relieved, tube insertion is accurate, and continuous block effects can be achieved.

The invention relates to the technical field of molds and discloses an automatic correction die-casting tool. The automatic correction die-casting tool comprises a conveying table. The conveying tableis of a rectangular structure. A machining table is fixedly mounted on the front side of the conveying table. The machining table is of a rectangular structure. A protective plate is fixedly mountedon the left side wall surfaces of the tops of the conveying table and the machining table. The protective plate is an L-shaped plate. According to the automatic correction die-casting tool, when a workpiece is moved over a bottom mold groove, a disassembling groove moves downwards to drive an upper die table to move downwards, the upper die table drives a linkage plate to move downwards, the linkage plate moves downwards in a cutting box and instantly extrudes a cutting spring, the cutting spring provides a buffering effect to the downward pressure of the linkage plate, the linkage plate slides downwards in side holes through butt joint holes, the cutting box drives a cutting knife to move downwards, and when the cutting knife extrudes and cuts the upper wall surface of the workpiece, thecutting knife moves to the inside of the lower cutting groove after cutting, so that cutting damage of bolts to the top wall surface of the machining table is avoided, and the service life of the wallsurface of the machining table is prolonged.