Working process of black hole treatment
Jul. 05, 2022
Black hole is one of the direct electroplating technologies. Its main principle is to use the physical principle to make the carbon powder adsorb on t…
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Jul. 05, 2022
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Electroplating technology of PCB
Jul. 04, 2022
PCB electroplating process flow: Pickling → copper plating on the whole board → pattern transfer → acid degreasing → 2 levels countercurrent rinsing →…
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Preparation process before copper electroplating
Jun. 30, 2022
The hole metallization technology is not complicated, and can be simply divided into two parts: preparation before copper plating and copper plating. …
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Process of PCB Pattern plating line
Jun. 27, 2022
The purpose of pattern electroplating is to increase the thickness of lines and holes (mainly the thickness of hole copper) to ensure its conductivity…
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The role of chemical agent used in PTH process for PCB production
Jun. 21, 2022
The activator is a low-hydrochloric acid type catalyst liquid, which can provide the required palladium ions on the surface of the board and in the ho…
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Principle of AOI detection equipment
Jun. 17, 2022
AOI testing equipment, also known as AOI optical automatic testing equipment, has become an important testing tool and process quality control tool to…
