Mar 11, 2013 #1 A Anonymous_Ricky Advanced Member level 2 Joined Dec 26, 2006 Messages 516 Helped 88 Reputation 178 Reaction score 58 Trophy points 1,308 Location India Activity points 3,974 Dear All, What could be the issues in fabrication of PCBs with <=0.50mm pitch components and 2 Oz copper thickness. BR, Ricky
Dear All, What could be the issues in fabrication of PCBs with <=0.50mm pitch components and 2 Oz copper thickness. BR, Ricky
Mar 11, 2013 #2 M marce Advanced Member level 5 Joined Feb 23, 2010 Messages 2,077 Helped 627 Reputation 1,256 Reaction score 633 Trophy points 1,393 Location UNITED KINGDOM Activity points 14,393 Start of with a thinner copper for base, say 1oz and have it plated up to achieve 2oz, thats what I have done and seems to be pretty standard practice.
Start of with a thinner copper for base, say 1oz and have it plated up to achieve 2oz, thats what I have done and seems to be pretty standard practice.
Mar 12, 2013 #3 A Anonymous_Ricky Advanced Member level 2 Joined Dec 26, 2006 Messages 516 Helped 88 Reputation 178 Reaction score 58 Trophy points 1,308 Location India Activity points 3,974 Hi Marce, Thanks for your reply My other concern is, could there be any chance of pads getting shorted due to 0.50 mm fine pitch and 2Oz copper thickness. Ricky
Hi Marce, Thanks for your reply My other concern is, could there be any chance of pads getting shorted due to 0.50 mm fine pitch and 2Oz copper thickness. Ricky
Mar 12, 2013 #4 S sivamani Full Member level 6 Joined Jan 30, 2007 Messages 336 Helped 46 Reputation 92 Reaction score 43 Trophy points 1,318 Location Hyderabad Activity points 2,919 Yes there will be accept ratio issues and also it depends on the manufacturing capabilities..
Mar 12, 2013 #5 M marce Advanced Member level 5 Joined Feb 23, 2010 Messages 2,077 Helped 627 Reputation 1,256 Reaction score 633 Trophy points 1,393 Location UNITED KINGDOM Activity points 14,393 No thats why you have them made out of lighter copper and plated up to 2oz, you also get better pad definition with less etch back.
No thats why you have them made out of lighter copper and plated up to 2oz, you also get better pad definition with less etch back.