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A kind of electroplating process and electroplating tank capable of improving efficiency

An electroplating process and electroplating tank technology, applied in electrolytic components, electrolytic processes, current conduction devices, etc., can solve the problems of high technical personnel and lack of technical personnel, and achieve the effects of good electroplating effect, improved quality and convenient operation.

Active Publication Date: 2021-05-14
崇辉半导体(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this approach has high requirements for technical personnel, and such technical personnel are relatively scarce at present, so the above problems cannot be solved well by improving the formula of the electroplating solution

Method used

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  • A kind of electroplating process and electroplating tank capable of improving efficiency
  • A kind of electroplating process and electroplating tank capable of improving efficiency
  • A kind of electroplating process and electroplating tank capable of improving efficiency

Examples

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Effect test

Embodiment 1

[0055] Embodiment 1 discloses an electroplating process that can improve efficiency. The moving direction of the workpiece is the same as the length direction of the electroplating tank. The length of each tank is 1 meter, and the casting speed is 21.5 m / min. Above-mentioned a kind of electroplating process that can improve efficiency comprises the following steps:

[0056] 1. Hot water washing: Put the workpiece into water heated to 50°C for hot cleaning. After thermal cleaning, put the workpiece into water with a pH of 7.5 for washing. Wherein, the section number of the thermal cleaning tank is 1, and the section number of the water washing tank is 3.

[0057] 2. Degreasing: put the workpiece into the degreasing liquid, and power on for degreasing. The degreasing liquid includes degreasing powder with a concentration of 60g / L, and the Baume degree of the degreasing liquid is 8°Bé. The current is 25A and the temperature is 55°C. After degreasing, put the workpiece into wa...

Embodiment 2-6

[0071] Embodiment 2-6 discloses a kind of electroplating process that can improve efficiency, and its steps are identical with embodiment 1, and the cell number, electric current, pulling speed of the tank (not including washing tank) of each step are shown in the table below.

[0072] The node number of the groove of each step in embodiment 1-6

[0073]

[0074] Electric current (A), pulling speed (m / min) of each step in embodiment 1-6

[0075]

[0076] Among them, Embodiments 3-6 also disclose an electroplating tank, which is used in the steps of alkali copper plating, acid copper plating, nickel plating, pre-silver plating and silver plating. refer to figure 1 , the electroplating tank includes a mother groove 1 and a sub-groove 2 located in the mother groove 1, and a conductive seat 3 for conducting electricity is provided in the sub-groove 2, and the workpiece 4 passes through the mother groove 1 and the sub-groove 2, and is in contact with the conductive seat 3 ....

Embodiment 7

[0087] Embodiment 7 discloses an electroplating process that can improve efficiency. The difference from Embodiment 4 is that the total width of the conductive sheet 32 ​​and the conductive plate 7 is 25 mm.

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Abstract

The application specifically discloses an electroplating process and an electroplating bath that can improve efficiency. An electroplating process that can improve efficiency includes the following steps: hot water washing, degreasing, activation, alkali copper plating, acid copper plating, nickel plating, cyanide electrolysis, pre-silver plating, silver plating, silver stripping, electrolytic cleaning, anti-oxidation, Ultrasonic water washing and drying, the casting speed is 18‑25m / min; among them, the total length of the electroplating tanks for alkali copper plating, acid copper plating, nickel plating, pre-silver plating and silver plating along the moving direction of the workpiece is 37‑44m; The current of alkaline copper plating is greater than 12A; the current of acid copper plating is greater than 8A; the current of nickel plating is greater than 22A; the current of pre-plating silver is greater than 5A; the current of silver plating is greater than 3A; The efficiency-enhancing electroplating process of the present application has the advantages of ensuring the filling and leveling effect of the workpiece, improving the electroplating efficiency and increasing production capacity, and can effectively improve the energy utilization rate of the process and equipment, and has the effect of saving energy.

Description

technical field [0001] The application relates to the field of surface treatment, more specifically, it relates to an electroplating process and an electroplating tank that can improve efficiency. Background technique [0002] Due to the advantages of small size, low power and long service life of LED, the application of LED is more and more extensive. The application of LED includes LED backlight, LED lighting, LED display and so on. [0003] The production process of LED products includes multiple processing techniques, and electroplating is one of the important processing links. Electroplating is the process of placing the workpiece in an electroplating tank filled with electroplating solution, and conducting a current on the workpiece, using electrolysis to coat a layer of metal on the surface of the workpiece, so that a layer of film is attached to the surface of the workpiece, basically including Washing, degreasing, acid copper plating and other steps. Electroplatin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D5/12C25D3/40C25D3/38C25D3/12C25D3/46C25D17/00C25D7/06
CPCC25D3/12C25D3/38C25D3/40C25D3/46C25D5/12C25D7/0614C25D17/007
Inventor 郑建国罗小平
Owner 崇辉半导体(深圳)有限公司
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