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| What thick copper pcb board have for (4 ounces or more) practices and improvement program ? |
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The improvement for the program are: control the etching factor, resist thickness, the etching solution concentration, temperature, spray pressure, the circuit board whether have drainage design and others that have a relationship, they are part of direct improvement to be noted that another line. width and thickness required to maintain the 2: 1 relationship in order to produce it.
Thick copper products in general power supply board and automotive sheet and other products. To rely on the help line plating process capability improvement, not only the high cost but also can help is quite limited. More effective manner, it should be thick copper half-etched with certain vendors manufacturing solutions above are only for reference . |
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