40results about How to "Improve the quality of electroplating" patented technology

The invention provides automatic electroplating equipment of a zipper head. The equipment consists of electroplating grooves which are formed by a pre-electroplating treatment groove, an electroplating treatment groove and a post-electroplating treatment groove and are connected head-to-tail to form a closed ring, wherein an anode generator is installed on a vertical guide rail which is connected with a chain of a traveling device, the anode generator is further provided with an idler wheel which is placed on a horizontal circular track, and the circular track driven by a lifting device can ascend and descend. Under the effects of a control system, the traveling device and the lifting device, the anode generator intermittently travels on the circular track and circulates according to a sequence of ascending, traveling, descending and stopping. According to the invention, the zipper head is continuously electroplated through the automatic equipment, so that the electroplating production efficiency is greatly improved. Times of the steps are controlled through intelligent programs, so that the electroplating quality is high and the electroplating quality of the zipper head is enhanced. Meanwhile, the labor intensity of the workers is further reduced, and the field environment is improved.

The invention discloses an electroplating system which comprises an electroplating bath, a power supply device, an anode bar, an electroplating anode, a cathode bar, a hanging rack, an auxiliary cathode bar and an auxiliary cathode shield, wherein the anode bar, the cathode bar and the auxiliary cathode bar are connected to the power supply device; the electroplating anode is fixed on the anode bar; the hanging rack is fixed on the cathode bar, and provided with a plurality of conductive pinch points for fixing a circuit board; the auxiliary cathode shield is fixed on the auxiliary cathode bar, opposite to the hanging rack, and arranged between the hanging rack and the electroplating anode; the auxiliary cathode shield comprises a shield body which is dead against the circuit board; the shield body comprises a peripheral area and a central area; the plurality of conductive pinch points are opposite to the peripheral area; the peripheral area is provided with a first through hole, and the central area is provided with a second through hole; and the first and second through holes are used for controlling the density distribution of metal ions precipitated from the electroplating anode after passing through the auxiliary cathode shield. The invention also provides an electroplating method using the electroplating system above.

The invention provides an electroplating method, which comprises the following steps: a pair of anodes and an electroplated part are placed in a plating bath with a plating solution, the pair of anodes are respectively arranged at the left side and the right side of the electroplated part and enable electrically connected to the anode of the power supply respectively, the electroplated part enables electrically connected to the cathode of power supply for being as the cathode; a pair of first baffle plates are arranged between the pair of anodes and closed to one end of the electroplated part; according to the requirements of an electroplate area of the electroplated part, the first baffle plates are controlled to cover a part of area of the electroplated part; power supply is switched on, and the electroplated part is electroplated. The electroplating method is characterized in that the first baffle plates are arranged between the pair of anodes, the area of the electroplated part directly opposite to the anode can be adjusted in a flexible way, thereby uniform electroplating of part of the electroplated part can be selectively completed, and the uniform electroplating of the integral electroplated part can be completed, the electroplate quality is enhanced, the application scope is wide, and the practicality is obviously increased.

The invention discloses a tree-dimensional pattern structure of a circuit board and a circuit technology thereof. The three-dimensional pattern structure of the circuit board comprises a dielectric layer, at least one first three-dimensional pattern and at least one second three-dimensional pattern. The first three-dimensional pattern and the second three-dimensional pattern are configured at a same surface of the dielectric layer. The thickness of the first three-dimensional pattern is larger than the thickness of the second three-dimensional pattern. Due to that the heat-dissipation capacity of the first three-dimensional pattern increases with the increase of the thickness, the first three-dimensional pattern with relatively good heat-dissipation capacity can be used for enhancing the whole heat-dissipation capacity of the circuit board.

The invention relates to a pneumatic copper ball addition apparatus, which uses the thrust effect of the air pressure conveys the copper ball from a work walkway to every titanium basket used for placing the copper ball, the work of adding the copper ball is completely conveyed to the work walkway to finish without normal operation of electroplate equipment, the copper ball can be added in safe, reliable, easy and rapid mode during the normal operation process of the electroplate equipment, thereby the production time is saved, the production power is enhanced, the resource waste is reduced, the electroplate quality is enhanced, the manual work is reduced, and the labor intensity is reduced.

The invention relates to the technical field of printed circuit boards, in particular to a pattern electroplating method with a pattern electroplating accompanying plating plate reusable. When a VCP is used to carry out pattern electroplating processing on a production board, a pattern electroplating accompanying plating plate which makes an accompanying plating pattern and electroplates a nickelgold layer on the accompanying plating pattern as an etching protection layer is used for accompanying plating, the pattern electroplating accompanying plating plate is used to pass through an alkaline etching line when the production board in each line completes electroplating processing, a copper layer formed on the surface of the pattern electroplating accompanying plating plate in the patternelectroplating processing process is removed through etching processing, the pattern electroplating accompanying plating plate restores the state before the use and can be used again in pattern electroplating processing, reuse of the pattern electroplating accompanying plating plate is realized, the problems that the appearance of the existing pattern electroplating accompanying plating plate becomes poor and the existing pattern electroplating accompanying plating plate becomes heavier and thicker along with increase of the number of times of use, and consequently the pattern electroplating accompanying plating plate falls off, a clamp is damaged, and a copper cylinder is polluted in the pattern electroplating process are completely solved, the production cost can be reduced, and the production efficiency can be improved.

The invention discloses a split type electric-heating water tap. The split type electric-heating water tap comprises a water discharging pipeline and a body, wherein the water discharging pipeline and the body are communicated, and a valve core is arranged at the communicating position; and a water dividing bin, which is detachably connected with the body and is internally provided with electric heating pieces, is arranged below the body. The split type electric-heating water tap has the advantages that the body and the water dividing bin part are designed as two independent parts; and due to the split type structure, only independent electroplating needs to be carried out on the body, so that the electroplating solution is prevented from being stored in the water dividing bin in the electroplating link, and the whole electroplating quality is improved. The split type electric-heating water tap can be used as an electric-heating water tap.

The invention relates to electroplating equipment. The electroplating equipment comprises an electroplating tank, a power supply device, an anode bar, an electroplating anode, a cathode bar and a hanging frame, wherein one end of the cathode bar and one end of the anode bar are respectively connected with the anode and the cathode of the power supply device, the cathode bar and the anode bar are oppositely arranged at the two sides of the hanging frame, the hanging frame is provided with multiple conductive pinch points, the electroplating equipment also comprises an auxiliary cathode bar andan auxiliary cathode cover, the auxiliary cathode bar is connected with the cathode of the power supply device, and the auxiliary cathode cover is fixedly connected with the auxiliary cathode rod. Compared with the prior art, the electroplating equipment and the electroplating method in the technical scheme have the advantages that the auxiliary cathode cover can be utilized for controlling the quantity of metal ions passing through a first through hole and a second through hole, so that the density distribution of the metal ions after passing through the auxiliary cathode cover is more uniform, and the thickness uniformity of a metal layer deposited on a circuit board is improved, so that the electroplating quality of the circuit board is improved.

The invention belongs to the technical field of electroplating, in particular to a tinned copper wire electroplating method. An electroplating device in the present invention comprises an electroplating bath, the rotating shafts are rotationally mounted at the two sides of the top end of the electroplating bath through the mounting plates, and more than two pulleys are fixed on the surfaces of thetwo rotating shafts at equal intervals. A dryer is fixed to the top end of the electroplating bath, two or more rectangular grooves are formed at the bottom of an inner cavity of the electroplating bath at equal intervals, and the sleeves are slidably connected into the rectangular grooves correspondingly. Two or more rollers are arranged at the two sides of the electroplating bath correspondingly, the roller at one side of the electroplating bath is driven by a motor, and a controller is arranged on the electroplating bath. The electroplating device comprises a push rod motor, a piston and other structures, during the moving process of the piston, the sleeve can be pushed to continuously move, and during the moving process of the sleeve, the electroplating liquid in the electroplating bath is driven to generate surging, so that the impurities in the electroplating bath cannot precipitate, the electroplating liquid is more uniform, and the electroplating effect is improved.

The invention discloses a metal surface treatment electroplating processing method. The metal surface treatment electroplating processing method comprises the following steps: A, oil removal, cleaning and drying treatment is carried out on the surface of a metal part; and B, cutting and grinding treatment is conducted on the metal part. In the step A, the metal part is put into an oil removal agent for oil removal treatment, then the metal part is put into a cleaning agent for cleaning treatment, finally the metal part is put into a drying box for drying treatment, the drying temperature is 80-100 DEG C, and the drying time is 3-8 minutes; and in the step B, the metal part is cut and ground through a machine tool, and the surface of the metal part is more neat. According to the metal surface treatment electroplating processing method, the surface of the metal part is subjected to oil removal, cleaning and drying treatment firstly, oil stains and other impurities on the surface of the metal part can be effectively removed, the metal part is cut and ground after being dried, and the surface neatness of the metal part can be effectively improved; and meanwhile, the metal part is rinsed after electroplating is completed, and redundant electroplating liquid on the surface of the metal part can be effectively rinsed, so that the electroplating quality of the metal part is effectively improved.

The invention discloses a plating bath. The plating bath which comprises a bath body (1) and a pedestal (2) is characterized in that: a row of electrolytic devices are arranged on the bath body (1); each electrolytic device comprises a transverse copper plate (3) and electrolytic plates (4); the copper plate (3) is fixed on the bath body (1) and is placed on the outer edge of the bath body (1); and each electrolytic plate (4) has a U-shaped appearance, one segment of each electrolytic plate (4) is fixed on the copper plate (3), and the other segment of each electrolytic plate (4) is placed in the electrolytic solution. The plating bath of the invention allows the conductive copper plate to be prevented from the erosion of the plating solution in the plating process, so the conductive stability of the conductive copper plate and the plating quality are improved, and the service life of the conductive copper plate is prolonged.

The invention discloses a wafer processing unit, which is characterized by comprising a wafer electroplating pretreatment device for pre-treating wafers before electroplating, a wafer electroplating device for electroplating the wafers, a wafer cleaning device for cleaning the wafers after electroplating and a manipulator for conveying the wafers from one device to another device. According to the wafer processing unit, the wafer electroplating pretreatment device, the wafer electroplating device and the wafer cleaning device are combined organically; the wafers are conveyed by the manipulator, so that the working efficiency is improved greatly, the manpower is saved, the conveying stability of the wafers is improved, and the damage and rejection rate of the wafers is reduced.

The invention provides an automatic anodizing equipment for zipper sliders. The plating tank consisting of a pre-plating treatment tank, a plating treatment tank and a post-plating treatment tank is connected from end to end to form a closed ring. The anode generator is installed on a vertical guide rail. The guide rail is connected with the chain of the walking device, and the anode generator is also provided with rollers, which rest on the horizontal circular track, and the circular track can rise and fall under the drive of the lifting device; in the control system, the walking device and the lifting Under the action of the device, the anode generator walks intermittently on the circular track, and cycles in the order of rising, walking, falling, and staying. The present invention enables the zipper head to be electroplated continuously through automated equipment, which greatly improves the production efficiency of electroplating, and controls the time of each process by an intelligent program. The electroplating quality is high, and the electroplating quality of the zipper head is improved. The labor intensity is reduced, and the on-site environment is improved.

The invention discloses drying equipment in LED bracket electroplating. The drying equipment comprises an automatic drying device body. The bottoms of shells of the two sides of the automatic drying device body are fixedly provided with a first drying fan and a second drying fan in a symmetrical and screwed mode through fixing bottom plates. The first drying fan and the second drying fan communicate with the interior of the automatic drying device body through flow equalizing plates. The vertical centerline of the interior of the automatic drying device body is rotationally connected with a drying transmission chain frame through a top driving wheel. The lower portion of the interior of the drying transmission chain frame is rotationally connected with a bottom driven wheel. According to the drying equipment, firstly, a drying frame is designed to be of a structure of the drying transmission chain frame and can be driven to rotate by the top driving wheel during drying, so that parts on the drying transmission chain frame can be heated evenly, thus the drying equipment in LED bracket electroplating is better in drying quality, and improves the product electroplating quality.

The invention provides an electroplating method, which comprises the following steps: a pair of anodes and an electroplated part are placed in a plating bath with a plating solution, the pair of anodes are respectively arranged at the left side and the right side of the electroplated part and enable electrically connected to the anode of the power supply respectively, the electroplated part enables electrically connected to the cathode of power supply for being as the cathode; a pair of first baffle plates are arranged between the pair of anodes and closed to one end of the electroplated part; according to the requirements of an electroplate area of the electroplated part, the first baffle plates are controlled to cover a part of area of the electroplated part; power supply is switched on, and the electroplated part is electroplated. The electroplating method is characterized in that the first baffle plates are arranged between the pair of anodes, the area of the electroplated part directly opposite to the anode can be adjusted in a flexible way, thereby uniform electroplating of part of the electroplated part can be selectively completed, and the uniform electroplating of the integral electroplated part can be completed, the electroplate quality is enhanced, the application scope is wide, and the practicality is obviously increased.

The invention belongs to the technical field of electroplating, specifically a tinned copper wire electroplating method. The electroplating device used in the present invention includes an electroplating pool. Both sides of the top of the electroplating pool are installed with rotating shafts through the rotation of the mounting plate. Two The surface of the rotating shaft is fixed with more than two pulleys at equal distances, the top of the electroplating pool is fixed with a dryer, and the bottom of the inner cavity of the electroplating pool is equidistantly provided with more than two rectangular grooves, each of which is slidably connected with sleeves. Two or more rollers are arranged on both sides of the electroplating pool, and the rollers on one side of the electroplating pool are all driven by a motor, and a controller is provided on the electroplating pool; the electroplating device used in the present invention includes a push The structure of the rod motor and the piston can push the casing to move continuously during the movement of the piston. During the movement of the casing, it drives the electroplating solution in the electroplating pool to oscillate, so that the impurities in the electroplating pool will not precipitate, and also make the The electroplating solution is more uniform, which improves the electroplating effect.

A zooming key structure comprises a zooming key, a first middle frame part and a second middle frame part. The first middle frame part is provide with a first clamping portion and a first body, and the first clamping portion extends out from the first body and is positioned on one side of the zooming key. The second middle frame part is provided with a second clamping portion and a second body, and the second clamping portion extends out from the second body and is positioned on the other side of the zooming key. The first clamping portion and the second clamping portion are clamped with each other to form annular holding space, and the zooming key is surrounded by the first clamping portion and the second clamping portion and fixed to the annular holding space.

The invention relates to the field of circuit board production, and provides a vertical continuous electroplating equipment, which includes a cathode conveyor belt, a clamp, an electroplating tank and an anode on-off assembly. The anode insulation section connected between two adjacent anode conductive sections, each anode conductive section is connected to the positive pole of the rectifier in parallel; the anode on-off assembly includes a first inductor, a first control unit electrically connected to the first inductor, and multiple An anode switch electrically connected to the first control unit, the first control unit is used to calculate the time for the plate to pass through each anode conductive section according to the speed of the plate when the plate passes the first sensor, and to control the anode switch on the plate Closed when passing the anode conductive section, and open when no plate passes the anode conductive section. The vertical continuous electroplating equipment can achieve precise electroplating on the board, basically avoid the use of accompanying plating boards, increase production capacity, reduce costs, improve electroplating quality, and reduce the difference in copper plating thickness of each board.

The invention relates to the field of circuit board machining methods, and particularly discloses a tin plating leveling method for a circuit board. According to the tin plating leveling method for the circuit board, a tin plating device is adopted, a spraying mechanism in the tin plating device can be used for enhancing the liquidity of an electroplating solution in an electroplating box in the tin plating process, and the electroplating solution on the two sides of the circuit board can be exchanged, so that the electroplating solution in the whole electroplating box is uniform and stable and the electroplating efficiency of the circuit board can be effectively improved.

The invention relates to the technical field of printed circuit boards, in particular to a reusable electroplating method for accompanying plating boards. When the present invention uses VCP to carry out the electroplating process to the production board, use the accompanying plating plate with electroplated nickel-gold layer as the etching protection layer, and make the accompanying plating plate go through alkaline once when the production board of each line completes the electroplating treatment. Etching line, remove the copper layer formed on the surface of the accompanying plated plate during the electroplating process through etching, so that the accompanying plated plate can be restored to the state before use, so that it can be re-used in the electroplating process, realizing the reuse of the accompanying plated plate, completely avoiding It solves the problems that the existing accompanying plated plate will deteriorate in appearance and become heavier and thicker as the number of times of use increases, which will cause the accompanying plated plate to drop, fixture damage, copper cylinder pollution and other problems during the electroplating process, which can reduce production costs and improve production efficiency. 10 The production capacity of 10,000 square meters can save about 15,000 yuan in the production cost of accompanying plated plates.

The invention relates to a PCB copper electroplating groove, which comprises a groove body, two positive electrodes disposed on two sidewalls of the groove body and a kickboard rack which is arranged in the middle of the groove body and is used for disposing a PCB. One end of the groove body below the kickboard rack is provided with a water inlet. An installation groove for a screen filter is disposed near the kickboard rack between the kickboard rack and the two positive electrodes. The installation groove for the screen filter is provided with the screen filter. One end of the groove body between the screen filter and the two positive electrodes is provided with a water outlet externally connected with a filter. The screen filter concretely contains a fixed pedestal, a plurality of clamp poles vertically arranged on the fixed pedestal and a plurality of filters installed between the clamp poles, wherein the filter comprises a bracing frame, a handle arranged on the top of the bracing frame and filter cloth arranged on the side surface of the bracing frame; strip-shaped grooves are disposed on the side of the clamp poles; strip-shaped bosses are correspondingly arranged on the two sides of the filters; and the filters can be detachably installed on the clamp poles through the joint of the bosses and the grooves. According to the invention, copper ash and impurities in the copper grooves can be effectively minimized and the copper electroplating groove pollution can be prevented.

A semiconductor package and its manufacturing method. The manufacturing method is to first provide a carrier with a semiconductor element, and then form a packaging layer with at least one opening on the carrier, so that the packaging layer covers the semiconductor element. , and the side of the opening is a smooth surface; then, a circuit layer is formed on the second surface of the encapsulation layer, and the circuit layer has a conductor formed in the opening, and then the carrier is removed, so that by simultaneously Making the encapsulation layer and the opening can not only prevent the wall surface of the opening from being too rough, but also greatly shorten the process time.