48results about How to "Reduce the possibility of disconnection" patented technology

The invention relates to the technical field of bone tissue engineering, and discloses a step-by-step tissue engineering bone building method. The method comprises the following steps of: (1) stent repair and pre-vascularization: building a tissue engineering bone sent at a bone defect part, and performing pre-vascularization; (2) later embedding of bone tissue engineering seed cells: after inflammatory reaction stage, embedding the seed cells, subjected to osteogenic induction, into the tissue engineering bone sent at the bone defect part based on growth-in time of capillaries, wherein the later embedding of bone tissue engineering seed cells in the step (2) is carried out 7-14 days later after the stent repair and pre-vascularization in the step (1). In the method provided by the invention, the sent promoting growth of vessels is firstly embedded, the seed cells for osteogenesis are embedded later, thus, a great segment of tissue engineering bone can be built quickly, application amount of the bone tissue engineering seed cells needed for repairing per unit volume of bone tissue is reduced greatly, and utilization rate of the seed cells is improved.

The invention provides a bidirectional wire arranging device of a multi-wire cutting machine and a control method of the bidirectional wire arranging device, belongs to the technical field of machinery and solves the problem that cut wires are easy to break due to the fact that wires of existing multi-wire cutting machines are not arranged in place. Two bidirectional wire arranging devices of the multi-wire cutting machine are arranged between a winding and pay-off reel and a tension control pulley, and each of the two bidirectional wire arranging devices is provided with a mounting support, a driving mechanism, a wire arranging guide mechanism, two detecting wheels and a controller, wherein the two detecting wheels are arranged on the mounting support side by side and arranged on two sides of a cutting line, and each detecting wheel is provided with a pressure sensor connected with the controller. By sensing the position of the cutting line through the pressure sensor and adjusting speed of the driving mechanism through the controller, in-place wire arrangement is guaranteed. Besides, the bidirectional wire arranging device is simple in structure, convenient to control and high in accuracy.

The invention discloses a method for manufacturing a semiconductor integrated circuit. The method comprises the steps of firstly, providing a substrate, and forming at least one metal hard mask on the substrate; and conducting a patterning step on metal hard masks, patterning metal hard masks to form patterned metal hard masks, and then conducting water plasma treatment on patterned metal hard masks.

Providing a piezoelectric vibrating reed which has low disconnection possibility and ensures reliability for stable operation without requiring strict exposure position accuracy. A piezoelectric vibrating reed 1 including: a piezoelectric plate which includes vibrating arms 3 and 4, a base portion 5 to which base ends of vibrating arms are integrally fixed, and groove portions 6 which are formed on principal surfaces of vibrating arms; and excitation electrodes 10 and 11 to which vibrating arms are vibrate, wherein the excitation electrodes each include: a principal electrode portion 20, a side electrode portion 21 and a connection electrode portion 22, wherein the principal electrode portions are formed such that a horizontal width W1 on the base end sides of the vibrating arms is smaller than a horizontal width W2 in other portions so that a vacant area S is secured on a portion of the principal surface of each of the vibrating arms in the vicinity of a fork portion 15, and wherein the connection electrode portion is formed to have a large width on the principal surface of each of the vibrating arms so as to come close to an opening end side of each of the groove portions by occupying the vacant area.

Disclosed is needle yarn tension control device that can control the amount of tension in a needle yarn for each stitch, can draw out the needle yarn, provides little risk of yarn breakages, readily and accurately detects any yarn breakages, and has no excess or insufficient amount of accumulated yarn from pulling out the needle yarn. Said needle yarn tension control device comprises an upstream grip (40) that grips the needle yarn, a downstream grip (60), and a rotating section (80) that rotates the needle yarn. In a torque control section, a balance (12a) applies rotational force to a rotating arm in accordance with a torque value such that tension is applied to the needle yarn against the direction that the needle yarn is pulled, while an upstream grip main body (41) is closed and a downstream grip main body (61) is open. In the position control section, the balance applies rotational force to the rotating arm (81) in accordance with position data for the angle of a needle yarn motor (86) such that the needle yarn motor angle returns to an initial position for the needle yarn motor (86) angle, while the upstream side grip main body (41) is open and the downstream side grip main body (61) is closed.

An electronic component and a circuit module which can reduce the possibility of line breakage during line winding are provided. The electronic component includes an iron core, a first winding, and anouter electrode. A flange of the iron core includes a body having a first surface that faces a top side and is located on the top side of a winding core of the iron core, and first and second electrode formation portions protruding toward the top side of the first surface. The outer electrode is provided on a second surface of the first electrode formation portion and is connected to the first winding. Slot space surrounded by the first and second electrode formation portions and the first surface is formed. A predetermined section between a point where the winding is separated from the winding core and a point where the winding comes into contact with the outer electrode extends toward the upper right side as viewed from the front, and does not include a portion of the first winding an entire line width of which overlaps the slot space.

Provided is a piezoelectric driving device for a motor including: a vibrating plate which includes a fixed portion and a vibrator portion in which a piezoelectric element is provided and which is supported by the fixed portion; and a contact portion which comes into contact with a driven body and transmits motion of the vibrating plate to the driven body, in which the fixed portion, the vibrator portion, and the contact portion are provided along an X direction in this order, when seen in a Y direction, when two directions parallel to a main surface of the vibrating plate and orthogonal to each other are set as the X direction and the Y direction and a direction orthogonal to the main surface of the vibrating plate is set as a Z direction.

The invention relates to the technical field of production and processing of textiles and discloses a textile thread positioning structure for producing and processing textiles. The textile thread positioning structure comprises a base, wherein a shell is fixedly mounted on the right side of the top end of the base; a tension spring is fixedly mounted at the top of the inner wall of the shell; anda thread guide plate is fixedly mounted at the bottom end of the tension spring. According to the textile thread positioning structure for producing and processing textiles, when a textile machine accelerates suddenly in the working process, the pressure generated by a thread to a limiting block is increased suddenly, the limiting block transmits the pressure to a circle center of a second rotating column at the moment; a first moving block and a second moving block start to draw close inwards under the action of the pressure; the air of the first moving block is compressed and enters an airbag through a ventilation head; a second telescopic rod contracts, and the spring contracts, so that the pressure of the thread is greatly reduced, the counter-acting force applied to the thread is reduced, the possibility of thread breakage is reduced, and the effect that the thread is not easily broken is achieved.

The invention discloses a cubic boron nitride cutting line. Cubic boron nitride is compositely and electrically deposited on the surface of a metal blank wire; the grain diameter of the cubic boron nitride is 10-75Mu m; and the diameter of the metal blank wire is 0.1-1.5mm. The preparation method of the cubic boron nitride cutting line is as follows: the metal blank wire is deoiled and derusted; and the cubic boron nitride and metal nickel are compositely and electrically deposited, and then are cleaned and dried. The cubic boron nitride cutting line has excellent high temperature oxidation resistance and a low friction coefficient, long service life, a low cost, smooth cutting and processing surfaces, high smoothness, and low surface material crystal structure damage. The cutting capacity of the cubic boron nitride cutting line is almost same with that of an electrodeposition diamond wire. The cubic boron nitride cutting line is suitable for extracting and cutting large-size silicon ingots at high speed, and cutting high-quality silicon wafers.

The invention discloses a production method of a double-interface smart card and a double-interface smart card. The production method of the double-interface smart card comprises: providing an antenna layer and an antenna, embedding the antenna on a joint surface of the antenna layer, and embedding an antenna head and an antenna tail of the antenna in a preset area of the antenna layer; providing a first protective layer, and embedding an isolation block on a binding face of the first protective layer; after laminating the binding face of the first protective layer to the joint surface of the antenna layer, combining the first protective layer with the antenna layer by a laminating technology, wherein the isolation block covers the preset area, and a melting point of the isolation block is higher than a heating temperature of the laminating technology; separating the preset area from other areas of the antenna layer; lifting the preset area, and separating the antenna head and the antenna tail of the antenna from the preset area; and providing a chip, and fixing the chip, the antenna head and the antenna tail on the antenna layer after electrically connecting the chip with the antenna head and the antenna tail. According to the technical scheme of the invention, efficiency of manufacturing the double-interface smart card and a qualified rate of the double-interface smart card can be improved.

The invention discloses a display panel and a display device, the display panel comprises a scanning line extending in a first direction and a data line extending in a second direction; sub-pixel units, wherein each sub-pixel unit comprises a sub-pixel opening, the sub-pixel opening comprises a white sub-pixel opening, a first sub-pixel opening, a second sub-pixel opening and a third sub-pixel opening; in the first direction, the widths of the first sub-pixel opening, second sub-pixel opening and third sub-pixel opening are equal, and the width a of the white sub-pixel opening is smaller thanthe width b of the first sub-pixel opening; in the second direction, at least part of adjacent two rows of sub-pixel openings are provided with a first interval with a width of c, at least part of adjacent two rows of sub-pixel openings are provided with a second interval, two scanning lines are arranged in the first interval, and no scanning lines are arranged in the second interval; in the firstinterval, the angles between the data line and the scanning lines include an acute angle theta, wherein theta>=arctanc/(b/a). Thereby reducing the risk of disconnection of the data line is facilitated.