Method, device and system for manufacturing inner layer circuit pattern of printed circuit board

The invention provides a manufacturing method, device and system for an inner-layer circuit pattern of a printed circuit board, and the method comprises the steps: determining an anti-corrosion layer printing path of a target inner-layer substrate based on an imported target circuit pattern file; the printing module is controlled to print on the blank surface of the target inner-layer substrate along the anti-corrosion layer printing path, the printed target inner-layer substrate is cured, and the target inner-layer substrate with the surface covered with an anti-corrosion pattern is obtained; and controlling a processing module to sequentially execute post-processing flows of corresponding manufacturing processes on the target inner-layer substrate of which the surface is covered with the anti-corrosion pattern, and forming a corresponding circuit pattern in the target inner-layer substrate. According to the manufacturing method, device and system of the inner layer circuit pattern of ...

Desulfurizer with high sulfur capacity for eliminating sulfur alcohol, sulphide and hydrogen sulfide through catalytic oxidation, and preparation

Folding Peano fractal anti-metallic ultrahigh frequency RFID electronic tag

A folding Peano fractal anti-metallic ultrahigh frequency RFID electronic tag comprises a folding first base material component and a second base material component which can not be folded. The second base material component is fixed on the surface of a metal object, the second base material component is connected with the first base material component, the first base material component can stretch to open space through bending base material, an electronic tag chip is embedded into the first base material component, and antennas at the two ends of the electronic chip are used for receiving signals. After the electronic chip and the antennas enter a reader radio frequency transmitting radiation field, induced currents acquired by the antennas pass a booster circuit to serve as a power source of the electronic chip. Meanwhile, the induced currents carrying information are processed through a radio frequency front end circuit of the electronic chip, and the message needed to be replied is ...

Winding mandrel of semi -axis can overturn

The utility model provides a winding mandrel of semi -axis can overturn, it relates to a winding mandrel, concretely relates to winding mandrel of semi -axis can overturn. The utility model discloses a solve present half great spherical structure spheric polar of diameter top one end and does not have the opening, be not conform to general coiler biax centre gripping winding requirement, bring the problem of very big difficulty for the technology shaping. The utility model discloses a mould main part, main shaft, balancing disk installed part, balancing disk and coiler centre gripping swivelling joint axle, mould main part, main shaft, balancing disk installed part, coiler centre gripping swivelling joint axle connect gradually from left to right, and the balancing disk suit is on the balancing disk installed part. The utility model is used for materials science.

Electromagnetic forgery prevention application of printing simulation radio frequency tag under standard printing process

The invention provides an electromagnetic forgery prevention application of a printing simulation radio frequency tag under a standard printing process. The application is as follows: firstly manufacturing a printing simulation radio frequency tag; then reading a corresponding code by virtue of a reader; designing ten types of printing simulation circuits for a printing simulation radio frequency tag circuit under a given microwave radiation condition, wherein each circuit is corresponding to one number among ten numbers from 0 to 9; electromagnetic characteristics of each circuit include main resonance centre frequency characteristics and secondary resonant frequency phase characteristics. An encoding method for the electromagnetic response characteristics of each circuit is as follows: when a centre frequency value under a main resonance response modal is corresponding to numbers from 0 to 9, performing binary encoding on frequency-phase positive and negative values under a secondary ...

Preparation method of novel ferroelectric ceramic

The invention discloses a preparation method of novel ferroelectric ceramic, which comprises the following steps: respectively weighing Pb3O4, TiO2, ZrO2 and MnO raw materials according to a stoichiometric formula Pb ((Zr0.2, Ti0.8) 0.99, Mn0.01) O3, and sintering the raw materials into the ferroelectric ceramic according to related steps of a solid-phase reaction method, polishing the ferroelectric ceramic, coating silver paste on the upper surface and the lower surface of the ferroelectric ceramic, preserving heat, and naturally cooling to room temperature; and continuously carrying out heat preservation treatment on the cooled ferroelectric ceramic.

Drifting outdoor barrel with carbon fiber composite and manufacturing method therefore

Method for continuously reducing sulfate process titanium dioxide titanium solution

The invention discloses a method for continuous reduction of a sulfuric acid process titanium dioxide titanium solution, which comprises the following steps: S1, reduction reaction: continuously adding a pre-reduction titanium solution and reduced titanium into a reactor, and carrying out reduction reaction to obtain a post-reduction titanium solution I; s2, titanium liquid blending: conveying the reduced titanium liquid I obtained in the step S1 to a titanium liquid blending tank, inputting a titanium liquid before reduction into the titanium liquid blending tank, and carrying out a reduction reaction to obtain a reduced titanium liquid II; and S3, solid-liquid separation: carrying out solid-liquid separation on the reduced titanium solution II to obtain a reduced titanium solution III containing no Fe < 3 + >. Compared with an intermittent reaction of the titanium liquid and reduced titanium, the production continuity and safety are higher, compared with a traditional iron powder adding ...

Catalyst for methanation of coal gas and preparation method thereof

The invention provides a catalyst for coal gas methanation. The catalyst takes Ni as a main active component, takes rare earth metal (mainly La) as a first additive, and takes Sr mainly and at least one selected from Cr, V, W and Mo as a second additive. The weight percentage of the components of the catalyst is: 2 to 40 percent of Ni, 5 to 30 percent of Mn, 0.5 to 10 percent of Zr, 0.5 to 10 percent of La, 0.1 to 5.0 percent of Sr, 0.1 to 5.0 percent of at least one selected from Cr, V, W and Mo, and the balance being Al2O3 and TiO2. The catalyst is characterized in that: (1) the catalyst is added with the second additive, and (2) the components are distributed in a layered structure. By providing a new additive, the invention uses a special method to ensure that the catalyst is in the layered structure, improves activity and selectivity, and has better gas-source adaptability.

Heavy-coated titanium dioxide for coating and preparation method of heavy-coated titanium dioxide

The invention discloses heavy-coated titanium dioxide for a coating and a preparation method thereof. The titanium dioxide comprises a titanium dioxide base material and a coating layer positioned on the surface of the titanium dioxide base material, the coating layer sequentially comprises a first aluminum oxide and barium sulfate composite coating layer, a loose silicon oxide coating layer and a second aluminum oxide and barium sulfate composite coating layer from inside to outside. The titanium dioxide provided by the invention can have a relatively large coating amount, and can effectively block filler particles when being applied to a coating system, so that the use amount of a filler is increased, and the production cost is remarkably reduced. Meanwhile, the light scattering capability of the titanium dioxide can be improved, so that the dry covering power of the titanium dioxide is improved, and the application performance of the titanium dioxide in a coating is improved.

Thermal barrier coating material with perovskite structure and preparation method thereof

The invention discloses a thermal barrier coating material with a perovskite structure and a preparation method thereof, the chemical composition of the thermal barrier coating material is (A1-xMx) (B1-yNy) O3, and the thermal barrier coating material belongs to an ABO3 perovskite type structure; 0 < = x < = 1; 0 < = y < = 1; m and N are added elements, M is located at the position A, and N is located at the position B; the valence state of the A-site element is + 1 valence, + 2 valence or + 3 valence, and the valence state of the B-site element is + 2 valence, + 3 valence, + 4 valence, + 5 valence or + 6 valence. The thermal barrier coating material disclosed by the invention has the advantages of low thermal expansion coefficient, low thermal conductivity and extremely high Vickers hardness and elastic modulus; and the coating can be applied to the surface of equipment working in a high-temperature environment, such as an aviation turbine engine and a turbine blade of a gas turbine.

Drifting outdoor barrel with carbon fiber composite and manufacturing method therefore

A drifting outdoor tube made of a carbon fiber composite and a making method relates to a drifting outdoor tube and the making method. The invention solves the problem that the drifting outdoor tube with a thin wall, an opening window in a tube, a high precision assemble dimension and a light weight can not be made by the prior art. A tube body (1) is provided with at least four windows (1-2), and carbon fiber composite window cover plates (3) are respectively covered on and connected with windows (1-2). An aluminum alloy front ring (2) is adhered to two ends (1-1) of the carbon fiber composite tube (1). The main steps comprises that: an inner mold is made and adhered with the aluminum foil; a unidirectional carbon fiber prepreg tape is made; a window forming mold is installed; a tube body is molded and solidified; then the aluminum alloy front ring is adhered and the window cover plate is molded. The invention is characterized by the thin wall, the opening window in a tube, high precision ...

Synthesis process of natural gas employing methanation of coke oven gas

The invention relates to a comprehensive utilization synthesis process of natural gas employing methanation of coke oven gas, belonging to the technical field of new energy utilization. The process comprises the following steps: compressing coke oven gas, preliminary cleaning, removing sulfur, performing first section methanation, performing second section methanation and separating natural gas toprepare natural gas which reaches the grade A technological requirements of natural gas national standard (GB17820-1999). The synthesis process of natural gas employing methanation of coke oven gas reaches the aim of high effective comprehensive utilization of natural gas and provides a new way of preparing and synthesizing natural gas.

Catalyst for methanation of coal gas and preparation method thereof

The invention provides a catalyst for coal gas methanation. The catalyst takes Ni as a main active component, takes rare earth metal (mainly La) as a first additive, and takes Sr mainly and at least one selected from Cr, V, W and Mo as a second additive. The weight percentage of the components of the catalyst is: 2 to 40 percent of Ni, 5 to 30 percent of Mn, 0.5 to 10 percent of Zr, 0.5 to 10 percent of La, 0.1 to 5.0 percent of Sr, 0.1 to 5.0 percent of at least one selected from Cr, V, W and Mo, and the balance being Al2O3 and TiO2. The catalyst is characterized in that: (1) the catalyst isadded with the second additive, and (2) the components are distributed in a layered structure. By providing a new additive, the invention uses a special method to ensure that the catalyst is in the layered structure, improves activity and selectivity, and has better gas-source adaptability.

Desulfurizing agent for removing carbonyl sulfur, thiol and hydrogen sulphide by catalytic oxidation as well as preparation and application

The invention relates to dry desulfurization technology for industrial gas, and particularly provides a high sulfur capacity catalytic oxidation desulfurizer and a preparation method thereof, wherein the desulfurizer can be widely applicable to synchronously removing carbonyl sulfide, thiol and hydrogen sulfide in natural gas, oil field gas, refinery gas, coal gas and other industrial gases. The desulfurizer contains the following catalyst components: 0.5 to 10 weight percent of metal oxide or metal salt, 2 to 10 weight percent of modulating agent, 0 to 0.5 weight percent of accelerator; and a carrier is activated carbon. The method for preparing the desulfurizer comprises the steps of the pretreatment of the activated carbon, the impregnation of the catalyst components, and drying post-treatment. The desulfurizer can synchronously remove the carbonyl sulfide, the thiol and the hydrogen sulfide through catalytic oxidation; and the desulfurizer has high sulfur capacity, the breakthrough ...

Dephosphorization agent for removing PH3 in yellow phosphorus tail gas, preparation method and application thereof

The invention provides a dephosphorization agent for removing PH3 in yellow phosphorus tail gas, a preparation method and application thereof. The dephosphorization agent comprises the following components by weight percent: 1-10 percent of metal salt, 0.1-10 percent of accelerant and the balance of active carbon. The preparation method comprises the following steps: impregnating the metal salt and the accelerant in selected treated active carbon individually or together according to the proportion, drying for 4-30 hours at 25-150 DEG C, and roasting for 2-4 hours at 150-500 DEG C to obtain the dephosphorization agent. The dephosphorization agent is suitable for removing PH3 in various kinds of gas sources, has favorable adaptability for gas sources, can remove PH3 in sulphureous gas, and has the advantages of high phosphorus capacity, simple flow, wide operation window, simple and convenient dephosphorization agent preparation method, and the like.

Noble metal catalyst for selective oxidation cleaning of micro CO in methanol reformed gas

The present invention relates to a noble metal catalyst for selective oxidation and purification of micro CO in the methanol reformed gas, and is characterized by that said catalyst is a loaded catalyst with composite carrier and several active components, its general formula is M1M2/S1S2; in which M1 is main active component noble metal Pt, Mz is one or several kinds of Fe, Co, Ni, Cu and Zn, S1is MD type molecular sieve. S2 is one or two kinds of ZrO2 and TiO2, M1 content is 0.2-1.0 wt% of total weight of said catalyst, M2 content is 0.2-5.0 wt% of total weight of said catalyst, and carrier content is 94.0-99.6 wt% of total weight of said catalyst, in which S1/S2=1-3.5.

Dielectric ceramic material with high energy storage density in medium and low electric fields and preparation method thereof

... 0.094*2/30.094*1/3The invention discloses a dielectric ceramic material with high energy storage density in medium and low electric fields and a preparation method thereof. The component of the dielectric ceramic material is (Bi < 0.3901 > Na < 0.2961 > Sr < 0.2538 > Mg < 0.094 > * 2/3Nb < 0.094 > * 1/3 > Ba < 0.06 >) (Zr < 0.06 > Ti < 0.846 >) O3, the dielectric ceramic material is prepared and synthesized through a solid-state reaction method and a secondary sintering method, and the ceramic can obtain the recoverable energy storage density as high as 2.83 J/cm < 3 > and the energy storage efficiency of 90.3% under the medium and low electric field of 200kV/cm. The method is simple in process, easy to operate and reliable in performance. And the energy storage ceramic has good stability and can be used in the field of dielectric capacitors.

Desulfurizing agent for removing carbonyl sulfur, thiol and hydrogen sulphide by catalytic oxidation as well as preparation and application

The invention relates to dry desulfurization technology for industrial gas, and particularly provides a high sulfur capacity catalytic oxidation desulfurizer and a preparation method thereof, wherein the desulfurizer can be widely applicable to synchronously removing carbonyl sulfide, thiol and hydrogen sulfide in natural gas, oil field gas, refinery gas, coal gas and other industrial gases. The desulfurizer contains the following catalyst components: 0.5 to 10 weight percent of metal oxide or metal salt, 2 to 10 weight percent of modulating agent, 0 to 0.5 weight percent of accelerator; and a carrier is activated carbon. The method for preparing the desulfurizer comprises the steps of the pretreatment of the activated carbon, the impregnation of the catalyst components, and drying post-treatment. The desulfurizer can synchronously remove the carbonyl sulfide, the thiol and the hydrogen sulfide through catalytic oxidation; and the desulfurizer has high sulfur capacity, the breakthrough ...

Dephosphorization agent for removing PH3 in yellow phosphorus tail gas, preparation method and application thereof

The invention provides a dephosphorization agent for removing PH3 in yellow phosphorus tail gas, a preparation method and application thereof. The dephosphorization agent comprises the following components by weight percent: 1-10 percent of metal salt, 0.1-10 percent of accelerant and the balance of active carbon. The preparation method comprises the following steps: impregnating the metal salt and the accelerant in selected treated active carbon individually or together according to the proportion, drying for 4-30 hours at 25-150 DEG C, and roasting for 2-4 hours at 150-500 DEG C to obtain the dephosphorization agent. The dephosphorization agent is suitable for removing PH3 in various kinds of gas sources, has favorable adaptability for gas sources, can remove PH3 in sulphureous gas, and has the advantages of high phosphorus capacity, simple flow, wide operation window, simple and convenient dephosphorization agent preparation method, and the like.

Drifting indoor barrel with carbon fiber composite and manufacturing method therefor

A drifting indoor tube made of a carbon fiber composite and a making method relates to a drifting indoor tube and the making method. The tube is especially applicable to a drifting chamber of a detector. The invention solves the problem that the drifting indoor tube with light weight, high intensity and a thin wall by making use of the carbon fiber composite. The drifting indoor tube comprises a carbon fiber composite tube (2) and an aluminum foil shielding layer (3) which is adhered to the inner and outer surfaces of the carbon fiber composite tube (2). The method comprises the following steps: an inner mold is made and adhered with the aluminum foil. Then a unidirectional carbon fiber prepreg tape is made and the tube body of the drifting indoor tube is molded and solidified. Finally the inner and outer surfaces of a drifting chamber are adhered with the aluminum foil and solidified, de-molded and mechanically worked. The drifting indoor tube provided by the invention is characterized ...

Drifting indoor barrel with carbon fiber composite and manufacturing method therefor