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112 results about "Plating efficiency" patented technology

Plating efficiency ("PE") is a measure of the number of colonies originating from single cells. It is a very sensitive test and is often used for determining the nutritional requirements of cells, testing serum lots, measuring the effects of growth factors, and for toxicity testing.

Additive for heat zinc coating auxiliary agent

The invention provides an additive used in hot-dip galvanizing assistant plating agent, belonging to the technical field of metal material plating. The invention is used for solving the problem of assistant plating efficiency. The technical proposal of the invention is that the additive is a de-ionized water solution; the water solution contains cation surface active agent and organic solvent of the long chain alkyl; the content of the long chain alkyl cation surface active agent is 100 to 800 gram per liter; the organic solvent can be ethanol, isopropyl alcohol, acetone or one of nickel and N-dimethyl formamide, with adding content of 30 to 160 gram per liter. The invention has the advantages that the assistant plating agent is made and the made element have a plating face with excellent wettability and compatibility, which can increase the activity and the utilization rate, improve the assistant plating efficiency, prevent plated element from escaping, prevent the plated element which is assistant plated from being secondarily oxidized in air, reduce zinc slag, prevent the zinc liquid from splashing and increase the surface quality of the made element. Furthermore, the invention can be directly added into the assistant agent, and then is evenly mixed, with the character of easy operation. The invention is not limited by the temperature of the assistant plating agent so that the invention can be used under room temperature.
Owner:陈冬

Film spray no-back mixing column plate

The invention relates to a film spray non-back-mixing column plate, which comprises two spray covers, a column tray ring and a down-flow plate. A column plate is provided with a raise steam hole, and a down-flow pipe is formed between the down-flow plate and the column plate, wherein a position opposite to the raise steam hole of the column plate is fixedly provided with a top cover through a supporting plate. The bottoms of the spray covers and the column plate are reserved with a gap which forms a channel for liquid to enter the spray cover, and both side walls of the spray covers are provided with spray holes. The film spray non-back-mixing column plate is characterized in that the raise steam hole on the column plate is rectangular, and the part of the raise steam hole is welded with a rectangular raise steam pipe, wherein the upper end of the raise steam pipe is provided with a nozzle; the top cover, the raise steam pipe and the supporting plate form the spray covers; and the space between the two spray covers and the outside of the edges of the spray covers are provided with a liquid guide groove, wherein three surfaces of the liquid guide groove are provided with walls, and one surface of the liquid guide groove is provided with an opening which extends into the down-flow pipe. The film spray non-back-mixing column plate can prevent the liquid from back mixing, and greatly improve mass transfer driving force and the column plate efficiency.
Owner:TIANJIN CHUANGJU TECHNOLGOY +1

Extracting tower for liquid-liquid heterogeneous separation

ActiveCN105498284AAchieving bi-dispersionImprove extraction and separation tray efficiencyLiquid solutions solvent extractionEngineeringTower
An extracting tower for liquid-liquid heterogeneous separation comprises an extracting tower bottom separating chamber, an extracting tower top separating chamber, a tower body, a heavy phase feeding distributor and a light phase feeding distributor, wherein the extracting tower bottom separating chamber is connected with the bottom end of the tower body, the extracting tower top separating chamber is connected with the top end of the tower body, the heavy phase feeding distributor is mounted at the top of the tower body, the light phase feeding distributor is mounted at the bottom of the tower body, an extracting tower disk is distributed in the tower body and comprises a connecting rib plate, an upper distribution disk and a liquid lowering structure, the connecting rib plate is mounted on a support on the inner side of the tower body, the upper distribution disk is mounted above the connecting rib plate through a tower ring, the upper distribution disk, the connecting rib plate and the tower body define a space, and the liquid lowering structure is mounted on the connecting rib plate and the upper distribution disk in a through manner. The extracting tower has the benefits as follows: dual-dispersion of a light phase and a heavy phase is realized, advantages of a pulsed packed tower and a sieve-plate tower are combined, the extracting separation tower plate efficiency is greatly improved, and the tower height is reduced, so that the equipment investment and the civil engineering cost are reduced.
Owner:CHINA TIANCHEN ENG +2

Liquid plating device for inner hole of slender pipe fitting

The invention belongs to the technical field of electroplating and relates to a liquid plating device for an inner hole of a slender pipe fitting. The liquid plating device is characterized in that an upper cap and a lower cap are respectively in threaded connection with the upper and lower ends of the slender pipe fitting, wherein an upper insulating plate is inserted into a step table at the upper end of the upper cap, and a lower insulating plate is inserted into a step table at the lower end of the lower cap; an anode plate simultaneously penetrates through the upper insulating plate and the lower insulating plate, and a nut is in threaded connection with the lower end of the anode plate; the upper end of the anode plate is connected to the anode of a power supply through a nut lead-out lead; a cathode suspension frame is fixed at the outer wall of the slender pipe fitting, and hangers of the cathode hanging frame are connected with the cathode of the power supply and are used for hanging the slender pipe fitting in a liquid plating box; a rotating shaft of a pump body is driven by a motor, an output port of the pump body is communicated with a plating trough liquid inlet of the lower cap through a plating trough liquid inlet pipeline, and an input port of the pump body is communicated with the part below the liquid surface of the liquid plating box through a liquid return pipeline. According to the liquid plating device, the circulation of the plating liquid in the inner hole of the slender pipe fitting can be accelerated, the deposition velocity of a plating layer can be improved, the liquid plating efficiency can be increased, the liquid plating workload can be reduced, and the production cost can be lowered.
Owner:SHANXI NORTH MACHINE BUILDING

Horizontal type multi-target vacuum sputtering or ion plating machine

A horizontal type multi-target vacuum sputtering or ion plating machine comprises a plating machine furnace body, a transmission output component in the plating machine, arc-shaped targets, sputtering targets, a vacuum pump-out slot and a workpiece rack, wherein the interior of the plating machine furnace body is divided into two areas, a plurality of arc-shaped targets are distributed in the area I and arranged below the plating machine furnace body and close to the inner wall of the plating machine furnace body, a plurality of sputtering targets are distributed in the area II and arranged above in the inner cavity of the plating machine furnace body at a hollow position of the corresponding workpiece rack above the center of the plating machine furnace body, a rotating part for placing workpieces and a power input mechanism are arranged on the workpiece rack, when the workpiece rack enters the plating machine furnace body, the rotating part can pass through between the arc-shaped targets and the sputtering targets, the power input mechanism of the workpiece rack and the transmission output component in the plating machine are coupled so as to drive the rotating part to rotate, and the vacuum pump-out slot is arranged at the center or close to the center of the plating machine furnace body. According to the horizontal type multi-target vacuum sputtering or ion plating machine, the mutual pollution of the arc-shaped targets and the sputtering targets can be effectively prevented, and the plating efficiency and the plating quality can be improved.
Owner:宁波韵升装备技术有限公司 +2

Technological method for electro-coppering of PCB (printed circuit board)

The invention provides a technological method for electro-coppering of a PCB (printed circuit board). The technological method mainly comprises the following steps: (1) deburring: PCB feeding, PCB grinding, high-pressure washing, oven-drying and then PCB discharging are performed; (2) copper deposition: PCB loading, swelling, first washing, desmear, second washing, pre-neutralization, third washing, neutralization, ultrasonic washing, deoiling, post-deoiling, fourth washing, mild etching, fifth washing, pre-impregnation, activation, acceleration, sixth washing, chemical copper deposition, acid pickling and seventh washing are performed; and (3), copper intensification: PCB loading, deoiling, washing, acid leaching, plating thickening, high-position washing and PCB discharging. According to the technological method provided by the invention, a vibrating device is added to the copper deposition process, so that the circumstance of no copper in holes can be obviously improved; through the special design for a plating tank in the cooper intensification process, not only can the activity of a plating solution be guaranteed, but also the plating uniformity can be facilitated; and meanwhile, through synergistic action between the plating solution and the plating tank, the highest plating uniformity and plating efficiency can be achieved.
Owner:安徽广德威正光电科技有限公司

Medium-modulation power device of composite overlapping gate

The invention discloses a medium-modulation power device of a composite overlapping gate. The medium-modulation power device of the composite overlapping gate is mainly used for solving the problem that the process for realizing high breakdown voltage is complex in the existing field plate technology. The medium-modulation device of the composite overlapping gate comprises a substrate (1), a transition layer (2), a barrier layer (3), a table board (6), an insulating medium layer (7), a passivation layer (8) and a protective layer (13), wherein a source electrode (4) and a drain electrode (5) are deposited on the barrier layer (3); a gate slot (9) and a groove (10) are etched in the passivation layer (8); the grid slot is close to the source electrode, the groove is close to the drain electrode, the depth of the grid slot is equal to the thickness of the passivation layer; a high dielectric constant medium (11) is completely filled in the groove (10); overlapping gates (12) are deposited on the upper part of the passivation layer in the grid slot between the grid slot and the drain electrode, and on the upper part of the high dielectric constant medium; the high dielectric constant medium and the overlapping gates form a composite overlapping gate. The medium-modulation power device of the composite overlapping gate has the advantages of a simple process, high breakdown voltage, high field plate efficiency, high reliability and high yield.
Owner:XIDIAN UNIV

Heterojunction field effect transistor of composite source field plate based on medium modulation

The invention discloses a heterojunction field effect transistor of a composite source field plate based on medium modulation. The heterojunction field effect transistor of the composite source filed plate based on the medium modulation is mainly used for solving the problem that the process for realizing high breakdown voltage in the existing field plate technology is complex. The heterojunction field effect transistor comprises a substrate (1), a transitional layer (2), a barrier layer (3), a source electrode (4), a drain electrode (5), a table board (6), a passivation layer (9) and a protective layer (13), wherein a gate slot (7) is etched in the barrier layer between the source electrode and the drain electrode; a grid electrode (8) is deposited in the grid slot (7); a groove (10) is etched in the passivation layer (9) between the grid electrode and the drain electrode; a high dielectric constant medium (11) is completely filled in the groove (10); a source field plate (12) is deposited between the passivation layer (9) and the protective layer (13); the source field plate is electrically connected with a source electrode; and the source field plate (12) and the high dielectric constant medium (11) form a composite source field plate. The heterojunction field effect transistor of the composite source filed plate based on the medium modulation has the advantages of a simple manufacturing process, high breakthrough voltage, high field plate efficiency, high reliability and high yield.
Owner:XIDIAN UNIV

Collecting device for sheet type integrated circuit plating equipment

The invention discloses a collecting device for sheet type integrated circuit plating equipment. The collecting device comprises a base and further comprises a sorting frame assembly, a collecting box assembly, a stand and a collecting clamp assembly which are arranged on the base; the collecting clamp assembly is arranged above the collecting box assembly; the front end and the rear end of the sorting frame assembly are respectively provided with a feeding hole and a temporary storage area, wherein the temporary storage area of the sorting frame assembly is arranged near the front end of the collecting box assembly and extends to the position below the collecting box assembly; the collecting clamp assembly comprises a horizontal guide rail mechanism, an adsorbing component and two clamping components, wherein the adsorbing component and the two clamping components can be arranged on the horizontal guide rail mechanism in a horizontal sliding way and a vertical lifting way; and the collecting box assembly comprises a collecting box mounting support, a collecting box and an auxiliary box, wherein the collecting box and the auxiliary box are arranged on the collecting box mounting support. The collecting device for the sheet type integrated circuit plating equipment can be used for collecting sheets automatically in the process of plating the sheets, thus the integral plating efficiency of the sheets can be improved effectively.
Owner:东莞奥美特科技有限公司

Selective plating fixture

The invention discloses a selective plating fixture which comprises a rear cover, a cathode plate, cathode fixing blocks, a pressing plate, guide posts, a material strap, an anode, a material passing plate and a liquid leakage plate, wherein the liquid leakage plate is arranged on the rear cover; the material passing plate is arranged on the liquid leakage plate; the anode is arranged between the liquid leakage plate and the material passing plate; the pressing plate is arranged above the material passing plate; the pressing plate and the material passing plate are elastically connected through butterfly bolts and springs; the guide posts are arranged between the pressing plate and the material passing plate; the vertical cathode fixing block and the material passing plate are fixedly screwed; the horizontal cathode fixing block and the cathode plate are fixedly screwed; cathode handles are correspondingly arranged at two ends of the cathode plate; the material strap horizontally passes through a part between the material passing plate and the pressing plate and is arranged between the material passing plate and the pressing plate. According to the selective plating fixture disclosed by the invention, a selective plating structure is optimized, a titanium material is used as an anode base material, and the surface of the titanium material is coated with iridium, so that current distribution and plating efficiency are improved, the control precision of a selective plating area is improved, the plating quality is improved, the consumption of potion is reduced, precious metals are saved, the plating production cost is reduced, and the selective plating efficiency is improved.
Owner:KUNSHAN YIDING IND TECH CO LTD

Multi-overflow circle tower plate

The invention provides a multi-overflow circle tower plate, comprising at least a circle tower disc. The center of the circle tower disc is provided with a central supporting pipe which forms a circle tower disc; the circle tower disc is equally divided into sector blocks according to the overflow number; each sector block is divided into three blocks: a liquid receiving disc, a sector tower disc and a liquid falling area; the liquid falling area of the next layer of tower plate is arranged right below the liquid falling area of the circle tower disc; the liquid falling area is connected with the liquid receiving disc of the lower layer of tower plate by a slope; a circle liquid communicating vessel is arranged in the middle of the central supporting pipe of the circle tower disc; the bottom surface of the communication vessel is aligned to the bottom surface of the liquid receiving disc, the top surface thereof is about 50mm higher than the maximum liquid level of the liquid receiving disc, and the external side surface is communicated with the liquid falling pipe. The multi-overflow circle tower plate has the advantages of improving the tower plate efficiency, reducing the pressure reduction of the tower plate, reducing the separation energy dissipation, shortening the dimension of distillation column, reducing the cost of equipment, meeting the high requirement on separation performance of the tower plate during the modernized separation process, and the like.
Owner:HANGZHOU HANGYANG

Gear tooth electric brush plating experiment platform

ActiveCN104562108AHigh brush plating efficiencyBrush plated evenlyJewelleryGear wheelEngineering
The invention discloses a gear tooth electric brush plating experiment platform which comprises a worktable, a gear fixing device, a brush plating pen machine frame and a plating solution conveyor, wherein the gear fixing device is arranged on the worktable and used for driving the gear arranged on the gear fixing device to move; the brush plating pen machine frame comprises a base and a supporting frame, the base is moveably arranged on the worktable, the supporting frame is moveably arranged on the base, the brush plating pen is corresponding to the gear teeth and arranged on the supporting frame, and the position of the brush plating pen can be adjusted in the X axis, Y axis or Z axis according to the shape of the gear teeth; and in the brush plating process, a power mechanism drives the brush plating pen to reciprocate along the tooth socket of the gear. The electric brush plating experiment platform can regulate the direction of the brush plating pen in a multivariant way, and can implement brush plating on different types of gears. The electric brush plating experiment can implement automatic brush plating on the gear teeth, thereby enhancing the brush plating efficiency and implementing uniform brush plating. The electric brush plating experiment can perform brush plating on spur gears, helical gears and bevel gears, and has the advantages of favorable brush plating effect and high work efficiency.
Owner:GUANGXI UNIV
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