PCB Ink PCB ink is used in printed circuit boards and is mainly divided into circuit ink, solder mask ink, and silkscreen ink. Circuit ink acts as a barrier to prevent circuit corrosion and protect the circuit during etching, available in acid and alkali corrosion-resistant types. Solder mask ink protects the completed circuit and comes in liquid photosensitive, thermal curing, and ultraviolet curing types. Silkscreen ink is used to mark the board's surface. When using PCB ink, attention must be paid to maintaining the ink's temperature, thorough stirring, using compatible cleaning agents, ensuring a good exhaust system, and maintaining operating conditions.
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