154results about How to "Small pitch" patented technology

A medicine administering device comprises a housing (1, 2), a first transporting member (11), a second transporting member (12), which is threaded in the first member, a dosing arrangement with an indicator drum (17), a coupling (20-22) between the second transporting member and the display drum and an activation element (30), with which the second transport element is turned relative to the activation element.

The invention discloses a manufacturing method for an embedded type circuit of a PCB (Printed Circuit Board). The method comprises the following steps of firstly, constructing a mother board whose surface is provided with a concave preset circuit pattern; secondly, constructing a pattern transfer daughter board whose surface is provide with a circuit pattern protection; thirdly, utilizing the pattern transfer daughter board and ultraviolet curing optical cement to construct a circuit carrier on a circuit board substrate through a rolling way in order to obtain a circuit pattern groove on the circuit carrier; fourthly, manufacturing a conductive seed layer on the inner surface of the circuit pattern groove; and lastly, carrying out copper plating on the conductive seed layer of the circuit pattern groove and filling the circuit pattern groove through a copper layer generated in a copper plating process in order to obtain the embedded type circuit which is embedded into the circuit carrier. According to the manufacturing method for the embedded circuit of the PCB, the manufactured embedded circuit both has a higher H / W value (greater than 1) and small line width and line spacing (the minimum values of the line width and the line spacing both reach 2 microns) so as to help to improve the integration density and the stability of the printed circuit board remarkably.

The formation of high-resolution resist patterns by liquid immersion lithography with various fluids is enabled by protecting a resist film from deterioration (such as bridging) during the immersion exposure in a fluid (such as water) and the fluid from deterioration and improving the stability of a resist film in the storage after exposure without increase in the number of treatment steps. A material for forming resist protection films which comprises an alkali-soluble polymer for forming a protective overcoat for a resist film, characterized in that the contact angle of the polymer to water is 90° or above. The polymer is preferably an acrylic polymer which comprises as the essential components constituent units derived from (meth) acrylic acid and constituent units derived from a specific acrylic ester.

The invention relates to a coarse adjustment and fine adjustment linear moving mechanism which comprises a fixed seat, a movable seat, a coarse adjustment screw bar and a fine adjustment toothed bar, wherein the fixed seat is provided with a first screw hole; the movable seat is movably arranged on the fixed seat and provided with a second screw hole; the coarse adjustment screw bar is provided with a threaded section and a smooth section; the threaded section is screwed with the first screw hole; and the fine adjustment toothed bar is rotatably sleeved on the smooth section of the coarse adjustment screw bar and screwed in the second screw hole. Therefore, a user can respectively rotate the coarse adjustment screw bar and the fine adjustment toothed bar to enable the movable seat to quickly move or finely move, and because the two movements are respectively driven by the coarse adjustment screw bar and the fine adjustment toothed bar with different thread pitches, the fast-moving speed and the fine-moving accuracy can be compromised.

The present invention provides a conveying system capable of delivering and receiving glass substrates at the same time without a loss in process time for intermittent operation and capable of setting conveying mode in response to cycle time of a manufacture line, in regard to sheets conveyance between an exchanger and the manufacture line. In this conveyance system for glass substrate or the like, which conveys works such as a glass substrate in unit of cassette between a cassette storage part and a plurality of exchangers arranged in parallel with each other with a conveying means and which conveys a work of sheet between the exchanger and the manufacturing line, a conveyor is arranged in relation to the cassette to be vertically elevated inside the exchanger, and a conveyor dedicated to deliver the works to the manufacturing line and a conveyor dedicated to receive the works discharged from the manufacturing line are separately arranged in two stages in upper and lower, and a plurality of conveyors are arranged in parallel with each other along the direction of the exchangers arranged in parallel with each other. Furthermore, the conveyor arranged inside the exchanger can be vertically elevated in response to height of both the dedicated conveyors.

The invention relates to a thread meter, in particular to a three-dimensional fine-adjustment worktable for a thread scanning meter. In the prior art, due to the lack of the three-dimensional fine-adjustment worktable for the thread scanning meter, the thread metering is complex and the metering precision is low. In the three-dimensional fine-adjustment worktable, an upper worktable (8) is fixed with a pin shaft (7); an adjusting screw (10), the upper worktable (8) and the pin shaft (7) rotate together in a hole in a support (6); a middle layer (11) is provided with an adjusting screw rod (21) and an ejector pad (20); a groove is formed on the ejector pad (20), and the adjusting screw rod (21) extends into the groove; a base (12) is connected with guide rails (16) which are connected with a connecting block (15); the guide rail slide (14) is arranged on the lower part of the middle layer (11); and one end of the middle layer (11) is connected with a micrometer head (22). The worktable has the advantages that: the adjustment precision is high; the friction in rotation is small; and dovetail groove can be detached quickly and conveniently by vices.

The invention discloses a divergent sensing apparatus and a manufacturing method thereof. The divergent sensing apparatus comprises a lower structural body, an upper structural body, a plurality of divergent lines and a plurality of sensing electrode units, wherein a plurality of sensing circuit units are formed in the lower structural body, the upper structural body is arranged on the lower structural body along a vertical direction; the plurality of divergent lines are formed in the upper structural body and electrically connected with the sensing circuit units. Each divergent line comprises at least one horizontal extending section and at least one vertical extending section which are vertical each other. The plurality of sensing electrodes are formed in the upper structural body, and electrically connected with the divergent lines. The sensing electrode units sense biological characteristics of an organism to generate a plurality of sensing signals which are transmitted to the sensing circuit units through the divergent lines. The sensing circuit units process the sensing signals to obtain a plurality of output signals. The smallest distribution area covering the sensing circuit units is equal to or smaller than the smallest distribution area covering the sensing electrode units.

The pressurized micro spiral powder feeder drives the screw shaft through drive mechanism by generators, hopper and material outlet pipe integrated under the lower surface of the support platform, featuring in its being load bore by support platform and positioned by the middle up shaft bearing, vertically going through the insert hopper of the round hole, the lower end sticking to the material output pipe in arm shape, blender at the screw shaft of the corresponding position of the conical sectional hopper, intermittently fixing two sections spiral vanes with different pitches, lower spiral vane pitch smaller than the pitch of the upper spiral vane, leaving a section of emptiness between the spiral shaft of the spiral vanes. It is simple and compact in structure, adjustable in feeding quantity, even and stable in pressurized transportation.

A manufacture method for an inner-threaded steel pipe applied to a supercritical or ultra supercritical fossil power unit comprises the following process of manufacturing a pipe blank-straightening-flattening a head portion and a tail portion-detecting defects-tail portion heading-annealing-acid washing-phosphating-lubricating-cold drawing-finished product heat treating-straightening-cutting the head portion and the tail portion-detecting defects without damage-gauge detecting-packing-putting into storage. The method achieves the processing on a seamless steel pipe with the inner wall processed into threaded lines, and the seamless steel pipe is mainly applied to a water cooled wall of a capacity utility boiler. Compared with a commonly used light pipe, the seamless steel pipe can keep nuclear boiling state under the condition of high heat load operation so that film boiling is avoided, pipe burn out is avoided, and service life of the pipe is prolonged. The pipe can be processed and manufactured through a cold extrusion method, and an inner thread of the pipe has high height and small threaded distance so that mixing and turbulence of work media in the pipe can be enhanced, a cooling effect is obviously better than that of a traditional steel pipe, and the boiler is ensured to be operated safely and reliably.

The invention provides a forming method of a pattern, comprising the steps as follows: firstly, a material layer is provided; a patterned hard mask layer is formed on the material layer; subsequently, a clearance wall is respectively formed on the side wall of the patterned hard mask layer; subsequently, the patterned hard mask layer is removed and an opening is formed between the two adjacent clearance walls; subsequently, the clearance wall is used as the mask so as to remove a part of material layer, thus forming a patterned material layer.

The invention provides an automatic propeller torque changing mechanism. The automatic propeller torque changing mechanism comprises at least one paddle, a flow guiding cover, a propeller base, a propeller hub and a drive device driving the propeller hub to rotate. The two ends of the propeller hub are connected with the flow guiding cover and the drive device correspondingly. Each paddle is provided with a paddle root and a paddle tip. An installing cavity is formed in the propeller base, the propeller base is provided with installing holes corresponding to the paddle roots, the paddle roots penetrate through the installing holes, the paddle roots are connected with the propeller hub through rotation devices, the propeller hub is inserted in the installing cavity, and an elastic piece is connected between the top end of the propeller base and the bottom end of the flow guiding cover. The automatic propeller torque changing mechanism can solve the problems that an unmanned aerial vehicle in the prior art cannot achieve automatic torque changing, and consequently the pneumatic efficiency is reduced.

The invention relates to a dispensing module (1 ) for an applicator head for dispensing a fluid, in particular hot-melt adhesive, comprising a module housing (5), a valve body accommodated in the module housing (5), an adapter (7) through which the valve body extends, comprising a proximal end (49) and a distal end (41 ), the distal end (41 ) being connected by means of a screw connection (51 ) to the module housing (5), a nozzle holder (9) which is adapted to be inserted into a matching recess in a base member of the applicator head, and one or a plurality of sealing elements (57, 59, 61 ) for sealing the nozzle holder (9) and the base member against each other in a fluid-tight manner. According to the invention, it is proposed that the nozzle holder (9) comprises a cavity (69) through which the valve body extends, is connected by means of a screw connection (51 ) to the proximal end (49) of the adapter (7), comprises a valve seat (79) which is adapted to cooperate with a valve head (31 ) of the valve body, and comprises an elongate section (75) upstream from the valve seat (79), within which the cavity (69) is limited to a narrow gap (77).

The invention discloses an ultra-large rope capacity coiling drum which mainly resolves the problems of rope mess and complex structure production and the like. The ultra-large rope capacity coiling drum comprises a coiling shaft, two ends of the coiling shaft are provided with a left baffle plate and a right baffle plate in a relatively parallel mode, the coiling shaft is provided with a shaft rope groove, the inner side of the left baffle plate and the inner side of the baffle are both provided with arc parallel grooves, and the arc parallel grooves are distributed at equal intervals. The inner side of the left baffle plate is further provided with a left reversing guide platform which is a double-folding-line rope groove, the corresponding position of the right baffle plate is provided with a right reversing guide platform in a mapping mode, and the right reversing guide platform is also a double-folding-line rope groove. The coiling drum can effectively avoid accumulation errors occurring during multi-layer steel wire rope coiling, rope mess cannot occur even if 20 layers of ropes are coiled on the double-folding-line drum, and the problem that rope mess of the ultra-large rope capacity coiling drum is effectively resolved. In addition, the ultra-large rope capacity coiling drum has the advantages of being low in cost, high in safety and the like.

A NAND-type erasable programmable read only memory (EEPROM) device formed of a number of substantially identical EEPROM cells with each EEPROM cell being capable of storing two bits of information. A simple method for operating the memory comprises erasing, programming, and reading the device.

The present invention discloses a sample disc which supports internal-external ring bar code scanning. The sample disc comprises a circular tray and one circuit of inner reagent bottle seat and one circuit of outer test-tube clamp seat which are arranged along the circumference of the tray. The inner reagent bottle seat and the outer test-tube clamp seat are staggered. An inner optical path groove is formed between adjacent outer test-tube clamps. Each outer test-tube clamp seat is equally provided with a base and four paws extending upwards from the upper surface of the base with a cantilever shape. Fore paws are in a same circumference and are arranged with a rectangle shape. A front notch, a back notch and two side notches are formed among four paws. Besides, the width of the side notch is larger than the widths of front notch and back notch. As the width of side notch is larger than the widths of front notch and back notch, when the pitch of the outer test-tube clamp set is definite, the width of inner optical path groove which is provided for the passing-through of the inner bar code scanning ray is facilitated to obtain a maximum effective value, namely the pitch of the adjacent outer test-tube clamp seat is minimized at the state that the width of the inner optical path groove is definite.

The invention provides a high-density embedded line making method. The method comprises the following steps: a) a stainless steel plate is subjected to micro-nano machining to obtain a motherboard with the surface provided with a sunken preset line pattern; b) copper plating is carried out in the line pattern groove of the motherboard to obtain a copper-layer line; c) a panel whose surface is bonded with a temporary bonding adhesive is used to take the copper-layer line out, hot pressing on a substrate bonded with a bonding adhesive is carried out, and after curing, the temporary bonding adhesive is removed; and d) a chemical etching method is adopted to thin the copper layer to obtain a high-density embedded line. The embedded line made by the method can have higher stability and small linewidth and line distance, and the line integration density can be improved obviously. By adopting the technical scheme of the invention, the linewidth can reach 1 to 100 mum, and the line distance can reach 1 to 200 mum.

The invention discloses gray cast iron and a preparation method thereof, and belongs to the field of metal casting. The gray cast iron and the preparation method solve the technical problems that existing gray cast iron is high in production cost and insufficient in performance. According to the gray cast iron and the preparation method, precious metal such as copper, molybdenum, nickel and vanadium is not added, strength and hardness of castings are improved through chromium and antimony, the manufacturing cost is reduced, and performance of the gray cast iron can be improved by conducting microalloying on antimony and chromium together.

The invention discloses a spring machine with a spring length adjusting device, and belongs to the technical field of precise efficient processing and forming equipment. The spring machine is provided with a push broach which is propped against the external surface of a spring. According to the spring machine, when the pitch of the spring excesses a specified value, a control system drives a driving motor so that an eccentric sleeve rotates, and the push broach is moved back, thus, the pressure on the spring can be released, as a result, the pitch of the spring is reduced; conversely, when the pitch of the spring is less than the specified value, the pressure on the spring is increased through the push broach under the driving of the driving motor and the eccentric sleeve, thus the pitch of the spring is raised. The spring machine has simple structure, and is convenient to operate, and can effectively improve the percent of pass of the product and reduce the cost of production; and the spring machine removes the conventional mode of manually adjusting the processing cutter, and therefore the precision of the product can be greatly improved.

The invention discloses a differential wiring impedance matching optimization structure, which comprises a substrate; a first bonding pad and a second bonding pad which are arranged on the surface ofthe substrate; and layer changing holes which are formed in the first bonding pad and the second bonding pad and used for differential wiring, wherein the opposite sides of the first bonding pad and the second bonding pad are each provided with a notch used for reducing the hole distance between every two adjacent layer changing holes. Thus, the areas of the opposite sides of the first bonding padand the second bonding pad are cut off at the same time through the notch design, so that the distance between the layer changing holes can be shortened; and the differential cables can be close to each other when outgoing, and the differential wiring mode approaches to a long straight parallel line, so that the problem of impedance discontinuity caused by layer-changing wiring of the differential transmission cable can be avoided, the impedance matching rate of the whole differential wiring is improved, the differential signal loss is reduced, and meanwhile, the occupation of the differential wiring on the PCB wiring space can be reduced. The invention further discloses a PCB, and the beneficial effects of the PCB are as described above.

The invention discloses a manufacturing method for a signal line of a display panel.The manufacturing method for the signal line of the display panel comprises the steps that firstly, a metal membrane layer is coated with light resistance; after exposure and development are carried out, the light resistance layer is further removed by a certain thickness through ashing treatment, and residual light resistance in a corresponding exposure region is further removed to form a patterned light resistance layer; then the metal membrane layer is etched to form the signal line.

The invention discloses a device and method of dynamic-static calibration for a laser tracker. The device of the dynamic-static calibration for the laser tracker takes a high precision two dimensionalgrating as a calibration benchmark, and the problems that the precision is insufficient and static calibration is single in traditional target ball type calibration are solved. A probe moves on the two dimensional grating, the characteristics of high precision and high definition of two dimensional grating measurement are utilized, thus the moving distance of a drone placed on a sliding block ismeasured, and an error is controlled in the range of 10nm-100nm, meanwhile the drone is also measured through the laser tracker, data of the two measurements are compared, thus the precision of calibration can be improved, a dynamic speed, a dynamic speed limit and a circular orbit of the laser tracker can further be calibrated and measured by controlling the moving speed and the moving track of the probe, and the device of the dynamic-static calibration for the laser tracker can be applied to the conventional dynamic-static calibration of the laser tracker.

The invention belongs to the technical field of hand tools, and particularly relates to a combined sleeve spanner. The combined sleeve spanner comprises a handle and a sleeve assembly, wherein the sleeve assembly comprises an outer sleeve and a plurality of inner sleeves sleeved with the outer sleeve in sequence, the end portion of the handle is connected with the middle portion of the surface ofthe outer sleeve through a one-way torsion actuator, the one-way torsion actuator comprises an outer ratchet ring and an inner ratchet ring which are in matched and sleeved inside-out arrangement along an axial direction, the inner ratchet ring is fixedly connected with the outer sleeve, a lug boss is arranged along a radial direction at the inner side of one end of the outer ratchet ring, the inner side face of the lug boss is in matched and meshed with a corresponding end face of the inner ratchet ring through set ring-shaped ratchets, and corresponds to the end face of the end, where the lug boss is located, of the outer ratchet ring, the surface of the outer sleeve is provided with an axial locating part, and an elastic connecting part is arranged between the axial locating part and acorresponding end face of the outer ratchet ring; and the outer sleeve and each inner sleeve are assembled together through relative sliding and a locating mechanism. The combined sleeve spanner can be suitable for twisting various type of bolts and nuts, the application range is wide, the operation and use are flexible and convenient, the carrying and storage are convenient, the spanner is safe and reliable, and the working efficiency of users is improved.

The invention discloses an electrical response reflection device and a preparation method thereof. The electrical response reflection device comprises a first light-transmitting conductive substrate and a second light-transmitting conductive substrate which are opposite to each other; a surface of the first light-transmitting conductive substrate, which faces the second light-transmitting conductive substrate, is provided with a parallel-oriented alignment layer material layer which is doped with a photoinitiator; a surface of the second light-transmitting conductive substrate, which faces thefirst light-transmitting conductive substrate, is provided with a parallel-oriented alignment layer material layer; a space between the first light-transmitting conductive substrate and the second light-transmitting conductive substrate is encapsulated so as to form a liquid crystal cell; the liquid crystal cell is filled with a liquid crystal mixture; the liquid crystal mixture comprises a negative liquid crystal and a polymerizable liquid crystal monomer; and the polymerizable liquid crystal monomer comprises a chiral polymerizable liquid crystal monomer, and / or the liquid crystal mixture may also comprise a chiral dopant. According to the electrical response reflection device of the above technical schemes of the invention, the magnitude of a direct current voltage can be adjusted, sothat the continuous color controllability can be realized in a range of near-infrared light and visible light in a certain wideband.

The invention discloses steel used for a non-cold-working connection, and the steel has the characteristics of small screw pitch, small lead angle and high thread height; and the steel is matched with a fastening constructional element so as to be convenient to be reliably anchored with an end part, thereby solving the problems that the existing steel bar end is difficult to connect and anchor. The steel not only maintains the advantages of a hot rolling product that the tenacity is good, the intensity is high and the production efficiency is high, thereby avoiding the defects that the performance of a secondary cold working product is decreased, the secondary cold working product is brittle and easy to break, a threaded section is short and the processing cost is high; and meanwhile, thesteel has the advantages that the steel is closely matched with the fastening constructional element, and the product self-locking performance is good, the resource waste is effectively avoided in use, thereby saving the used steel quantity.

The invention relates to a processing mould of an outer conductor of a coaxial cable corrugation copper pipe, in particular to a corrugating mould for continuously rolling a copper pipe with a thin wall into a copper pipe with a fine pitch and a deep helical corrugation. The technical problem to be solved is to provide a design method of a corrugating mould of a copper pipe with a fine pitch and a deep helical corrugation, so as to be suitable for the corrugating requirement of the copper pipe with a fine pitch and a deep helical corrugation. The design method is characterized in that the mould is a gradually varied helical angle helical corrugation mould. By the method, a traditional internal thread with invariable helical angle is changed into an internal thread with a helical angle gradually diminishes so that the mould generates an opposite force to ensure that the rolled corrugation is compressed in the axial direction of the copper pipe, thereby reducing the pitch and increasing the depth. Therefore, the design method can be successfully used for processing a radio-frequency cable of the outer conductor of the copper pipe with a fine pitch and a deep helical corrugation.