PWB用碱性蚀刻剂

A-Process

TOP ＞ A-Process
Chemicals
PCB
Etching
Copper

A-Process

◆特点
1.可适用于多种金属抗蚀层，如焊料、锡、镍和金。
2.蚀刻因子优异，蚀刻速度快。
3.通过连续补充，蚀刻品质非常稳定。
4.适用抗蚀材料
锡、焊料、镍、金、干膜抗蚀（耐碱型）、阻焊膜等。

Cross section of circuit using alkali etching

Cross section of circuit using alkali etching
Alkaline etching is performed by the A-process after metal resist such as tin plating is formed on the copper circuit. The top of the circuit is protected and a circuit can be formed with a good etch factor. The metal resist is removed with a tin remover such as Melstrip TL-3470.

Cross section of circuit using alkali etching

Cross section of circuit using alkali etching
Alkaline etching is performed by the A-process after metal resist such as tin plating is formed on the copper circuit. The top of the circuit is protected and a circuit can be formed with a good etch factor. The metal resist is removed with a tin remover such as Melstrip TL-3470.

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