i want to learn about PCB making process online ... the process we use in our uni includes something like... negative photograph and soaking in certain chemicals then going through some rollers and some led tube light treatment then something called itching .... can u tell me what process it is and how and where can i find info about this particular process (though i explained terribly i am just a beginner ) .... if you get it please inform me about this process of at least give me the steps involved so i can learn about it .... it will be a great help!?
