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92 results about "Post-Procedure" patented technology

The time period after a diagnostic or therapeutic procedure.

Method for preparing glass fiber and reinforced polypropylene fiber composite material

The invention relates to a method for preparing a glass fiber and reinforced polypropylene fiber composite material. The method comprises a non-weaving process in pre-procedure and a thermal pressing and molding process in post-procedure; the non-weaving process in pre-procedure comprises the following steps of: weighing polypropylene fibers and glass fibers in proportion, loosening the fibers by a coarse opener, then conveying to a blending box by a cotton conveying blower, conveying to a fine opener, a vibrating cotton box and a big cotton bin, sufficiently mixing the fibers by means of a conveying curtain, an inclined curtain and a picker roller beater, outputting to a carding machine by a cotton pressing roller and an output curtain, lapping by a lapping machine, conveying the fiber mesh by a feeder to a pre-needling machine for pre-needling operation, and setting and needling into a felt material by using a main needling machine; and the thermal pressing and molding process in post-procedure comprises the following steps of aligning and unreeling, powdering, deviation correction, open-width feeding, heating of a drying room, thermal pressing and compounding, rolling and cooling, and air-cooling. The method for preparing the glass fiber and reinforced polypropylene fiber composite material has the advantages of stronger tensile strength and impact resistance performance, capability of satisfying the usage requirements in the high-load defending parts of automobiles and ships and the like, and wide application range.
Owner:NINGBO SUNLIGHT MOTOR PARTS

Manufacturing process of high-fall stepped circuit board

The invention discloses a manufacturing process of a high-fall stepped circuit board. The manufacturing process comprises the steppeds of: manufacturing inner-layer circuits on a plurality of core boards separately, and manufacturing an auxiliary copper skin at a position corresponding to a stepped platform when the inner-layer circuit is manufactured on one of the core board; laminating the plurality of core boards into a multi-layer board; performing intermediate processing on the multi-layer board sequentially; performing depth-control groove milling inwardly at a position corresponding tothe stepped platform on the multi-layer board to a position 0.1 mm +/- 0.075 mm away from the auxiliary copper skin beform outer layer etching during the manufacturing process of an outer layer circuit, and forming the stepped platform after removing a cover; performing ablation on a residual dielectric layer at the bottom part at the stepped platform by means of laser; manufacturing the outer layer circuit through etching and removing the auxiliary copper skin at the stepped platform at the same time; and performing post-procedure processing on the multi-layer board to manufacture the high-fall stepped circuit board. According to the manufacturing process, the core board thickness is adopted to make a residual thickness step, the residual thickness tolerance of the stepped platform aftermolding and milling is ensured to meet requirements, the high-precision residual thickness tolerance is ensured to be realized, and the production efficiency can be improved.
Owner:JIANGMEN SUNTAK CIRCUIT TECH +1

Manufacturing method of flexible printed circuit board post-procedures

The invention provides a manufacturing method of flexible printed circuit board post-procedures, comprising the following steps: cropping and blanking low-viscosity protective films according to the specification of flexible printed circuit boards to be subject to outline machining; carrying out outline machining on the front sections of the flexible printed circuit boards to be subject to outline machining; attaching the low-viscosity protective film 1 on one surface of each flexible printed circuit board, and carrying out outline machining on the rear sections of the flexible printed circuit boards; attaching the low-viscosity protective film 2 on the other surface of each flexible printed circuit board; removing the low-viscosity protective film 1 and waste on board surfaces, and keeping the single-piece boards stuck on the low-viscosity protective film 2; attaching steel sheets, film switches, gummed paper and other auxiliary materials; and finally attaching the low-viscosity protective film 3, and carrying out conventional finished product inspection to complete the manufacturing of the flexible printed circuit board post-procedures. In the invention, during the double outline machining period, the products are not lost, thus avoiding unnecessary loss; and the products are packaged with the low-viscosity protective films and are arranged regularly, thus facilitating statistics, lowering cost, reducing defects such as product friction and the like during the transfer process, and lowering transportation cost.
Owner:厦门弘信智能科技有限公司

Cache device for glass substrate production line and control method thereof

The invention relates to a cache device for a glass substrate production line and a control method thereof, solving the problems of large occupation of a conveyor belt and high production cost. The technical scheme is as follows: the control method is realized by using a horizontal conveyor belt between a preceding procedure and a post procedure and a control unit with a CPU (Central Processing unit) and a mating software program in the process of continuously delivering a glass substrate; a group of convey roll-type intermediate conveyor belts and a cache device consisting of a servo motor, an inversion mechanism and a storage mechanism for temporarily storing the glass substrate are additionally arranged between the horizontal conveyor belts in the preceding procedure and the post procedure; in the preceding procedure, the glass substrate is conveyed to the intermediate conveyor belt through the horizontal conveyor belt; based on the working state of the preceding procedure and the post procedure, a management circuit controls the cache device to perform cache processing on the glass substrate. The invention has the advantages that the length of the horizontal conveyor belt is shortened and the production space is saved by adding the cache device for storing the glass substrate on the horizontal conveyor belt in the vertical direction.
Owner:北京东旭天泽科技有限公司

Resin-filled back drilling hole processing method of PCB (Printed Circuit Board)

The invention relates to a resin-filled back drilling hole processing method of a PCB (Printed Circuit Board). The processing method comprises the steps of drilling through holes in a multi-layer PCB after previous procedure processing and lamination processing; plating copper to conduct the through holes, and electroplating a board surface; drilling a back drilling hole in the multi-layer PCB; filling the whole back drilling hole and the through holes which are needed to be filled with resin with the resin, grinding the board with an abrasive belt; fabricating an outer-layer pattern, covering the holes, reducing the copper, and grinding the board with the abrasive belt again; drilling a counter hole, depositing a copper plate, filling the holes with the resin for electroplating and filling; and entering a post procedure after fabricating the outer-layer pattern, electroplating the pattern, etching the outer layer, performing outer-layer AOI and performing soldering resist processing. By the processing method, the back drilling hole is an NPTH (Non Plating Through Hole) and is filled with the resin, the circuit quality is ensured, a PTH (Plating Through Hole) and the NPTH back drilling hole are both filled with the resin, and the signal reality is improved to a relatively high extent.
Owner:SHENZHEN SUNTAK MULTILAYER PCB

Method and special bacteria-adding equipment for adding bacteria after preparing bio-organic fertilizer

The invention discloses a method and a special bacteria-adding equipment for adding bacteria after preparing bio-organic fertilizer. When the bio-organic fertilizer is being produced, the water content is 25-30% during the granulation process; after the granulation, the high-temperature quick drying is adopted in a drying cylinder and the water content is not more than 5%; after drying and cooling by a cooling cylinder, a microbial inoculum is added before packaging; furthermore, the special bacteria adding device is adopted to carry out high-pressure haze spraying so as to carry out computation adding; subsequently, the post-procedure of bacteria adding is carried out and the special bacteria adding equipment is selected; the bacterial liquid is added so that the active bacteria number is kept at 2 billion / gram; and before the product is packaged, the humidity needs to be kept at 12% of the water content by mass percentage, thus leading the selected bio-organic fertilizer grains to keep uniform and leading moisture to keep in an environment needed by the added microorganism bacteria. The method effectively avoids the loss of the active bacteria number of the beneficial bacteria in the bio-organic fertilizer, ensures the active bacteria number of the beneficial bacteria during adding the bio-organic fertilizer, and leads the beneficial bacteria to bring beneficial functions tothe bio-organic fertilizers.
Owner:新疆惠森生物技术有限公司

Process for mixing tire tread with high white carbon black content

The invention discloses a process for mixing tire tread with high white carbon black content. The characteristics of a rubber mixing system based on a one-step method are combined, aspects of internal mixing process optimization (medicine input sequence optimization, as well as 'silanization reaction' condition optimization of an internal mixer), mixing process optimization of an open mixer, and the like are adopted, and the aspect of a formula of the tire tread filled with high content white carbon black and the means of silane coupling agent and white carbon black coordination proportion optimization and the like are combined, so as to achieve the following technical effect: the dispersivity of white carbon black is improved, the abrasion resistance is improved, the high sizing material calorigenesis is reduced, and the rolling resistance is reduced; through the means of combining high temperature silanization reaction of the internal mixer and low temperature section silanization reaction of the open mixer, the silanization reaction degree is improved, and the dynamic performance and processing safety of a sizing material are optimized; the flowability of the sizing material is improved, the post-procedure processability is improved, and the processing energy consumption is reduced; the mixing section number is reduced, and the production efficiency is improved.
Owner:特拓(青岛)轮胎技术有限公司

Method for preparing sodium nitrate by using nitric acid to decompose phosphorus ore byproduct calcium nitrate

The invention discloses a sodium nitrate preparation method by calcium nitrate that discomposes byproduct of phosphate rock by using nitric acid. The sodium nitrate preparation method comprises that: (1) double decomposition: namely, calcium nitrate, washing liquid of gypsum filter residue in post procedure and returned mother liquor of calcium nitrate are mixed and stirringly added with sodium sulfate to double discompose, and then the generated dihydrate gypsum is filtered and washed by clean water, the lotion is recycled; the generated calcium nitrate is left in the filtrate; (2) removing calcium through purification: namely, limestone powder and soda are added to the filtrate in the last step to neutralize and heated to boil and then the mixture is filtered to remove calcium carbonate which is dried to obtain fertilizer-grade calcium hydrogen phosphate; (3) evaporation, crystallization and separation: namely, the neutralized filtrate in the last step is put into a double evaporator to condense and cooled to crystallize, thus obtaining sodium nitrite magma. The sodium nitrite magma is put into a centrifugal separator to separate to obtain sodium nitrite product. The preparation method of the invention can transform the waste residue calcium nitrate that is discharged from a nitric phosphate device by freezing method into sodium nitrite product, which has good economic and environmental benefit.
Owner:GUIZHOU RES INST OF CHEM IND
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