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A Method for Removing Defects of Raw Surface and Red Track in Copper Foil Surface Treatment

A technology for surface treatment and rough surface redness, which is applied in the field of removing rough surface redness defects in copper foil surface treatment, can solve problems such as affecting the quality of copper foil, affecting the quality of processed foil, etc., to improve quality and solve the problem of rough surface redness. Effect

Active Publication Date: 2015-11-18
LINGBAO WASON COPPER FOIL
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Problems solved by technology

The roughness of the red spot on the hair surface is more than the normal part, and the copper body is obviously larger than the normal part, which seriously affects the quality of the copper foil
Copper foil with a lot of red spots on the surface can only be classified as B-grade copper foil or waste foil, which seriously affects the quality of the treated foil

Method used

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  • A Method for Removing Defects of Raw Surface and Red Track in Copper Foil Surface Treatment
  • A Method for Removing Defects of Raw Surface and Red Track in Copper Foil Surface Treatment
  • A Method for Removing Defects of Raw Surface and Red Track in Copper Foil Surface Treatment

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Embodiment Construction

[0029] Before the improvement, the surface treatment process such as image 3 Shown: After the original foil is pretreated, it undergoes roughening, water washing, curing, water washing, and anti-oxidation treatment in sequence. The roughening parameters: electrolyte: copper sulfate 10-30g / L, current 2900-3500A, upper liquid temperature 20 -25℃, flow rate 10-15m 3 / h, coarsening into the groove squeeze roller: Shore hardness 80o-90o; curing parameters: electrolyte: copper sulfate 40-80g / L, current 3400-3600A, liquid temperature 25-30℃, flow rate 8-10m 3 / h;.

[0030] On the basis of the above process, the following improvements are made:

[0031] ① Increase the temperature of the roughening upper solution to 35-40°C;

[0032] ② Reduce the roughening current to 2400-2800A;

[0033] ③Clean and roughen the conduction roller into the groove and squeeze the liquid roller into the roughening groove and keep them clean;

[0034] ④Grind and roughen the liquid squeeze roller into ...

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Abstract

The invention belongs to the field of surface treatment in copper foil production and discloses a method for eliminating rough surface and red line defects in copper foil surface treatment. The following measures are adopted at the same time: (1) a roughening liquid loading temperature is increased to 35-40 DEG C; (2) a roughening current is reduced to 2400-2800A; (3) a roughening trough inlet conductive roller and a roughening trough inlet liquid extruding roller are swept to maintain clean; (4) the roughening trough inlet liquid extruding roller is polished to guarantee that the surface of the roughening trough inlet liquid extruding roller is clean and no vertical line colour difference is produced; (5) the roughening trough inlet conductive roller is replaced by a roughening trough inlet conductive roller with a smooth rolling surface; and (6) the roughening trough inlet liquid extruding roller is replaced by a roughening trough inlet liquid extruding roller with shore hardness of 60-70 degrees. By adopting the measures, the problems of rough surface and red line are effectively solved, grade-B copper foil and waste copper foil are reduced, and quality of the copper foil product is improved.

Description

technical field [0001] The invention belongs to the field of surface treatment in copper foil production, and in particular relates to a method for removing rough surface redness defects in copper foil surface treatment. Background technique [0002] Surface treatment is an important part of copper foil production, including roughening treatment, curing treatment, anti-oxidation and other treatments for copper foil. Due to the many surface treatment tanks and long process, there are many defects that are prone to occur, and the red road on the surface is one of them. The roughness of the red spot on the hair surface is more than that of the normal part, and the copper body is obviously larger than the normal part, which seriously affects the quality of the copper foil. Copper foil with more red spots on the surface can only be classified as B-grade copper foil or waste foil, which seriously affects the quality of the treated foil. Contents of the invention [0003] The o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25F1/04
Inventor 何成群赵原森柴云李龙飞孟社超习庆峰高松乔亚峰赵姣姣周赞雄
Owner LINGBAO WASON COPPER FOIL
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