Copper Molds
How to remove the mold compound from copper wire package?
There is a money constrain to buy a laser etcher, is there any wet etch method which is cheap and able to protect the copper wire from etch-off?
Besides, i have tried with drip-rinse method, but seemingly it is not applicable on big package, do you have any idea?
u can try uerea dip ...like investment casting
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