Homebrew PCBs

i'm planning to set up a pcb manufacturing company..... will anybody suggest me which process is better for the pattern transfer for pth boards  screen printing, dry film or wet film, also which is economical in terms of production cost as well as machinery required?......... 

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laxminarayan malpani wrote:
> 
> i'm planning to set up a pcb manufacturing company..... will anybody suggest me which process is better for the pattern transfer for pth boards  screen printing, dry film or wet film, also which is economical in terms of production cost as well as machinery required?......... 
> 
This is a Homebrew PCB forum, so we generally do not PTH and not we 
don't do it for money. Your may get better response posting on 
http://www.ipc.org/contentpage.asp?PageID=4.3.0

Dryfilm photoresists is by far the most common method in industry. Get a 
copy of  "Printed Circuits Handbook" by Coombs.