6-Layer Tg180 ENIG Board with BGAs
Materials: FR-5 Tg 180 Copper Thickness: 2 oz Layer Count: 4 Layer, 1.6 mm Min. Hole Size: 12 mil Min.Line Width/Space: 6 mil Finishing : Leadfree HAL
Electronics Forum | Mon May 21 10:42:07 EDT 2007 | jdumont
Higher Tg (180) and possibly thicker board material for the larger ones if you have them...
Electronics Forum | Thu Aug 20 10:54:25 EDT 2009 | newpic
What is the minimum Tg for FR4 board to consider as Lead Free board? My issue is, I do not know what is the web for the V-Score for a FR4 Tg 180. I use to use a FR4 Tg 140 and there is no problem with it, but since we convert to Lead Free and the
ORION Industries | http://orionindustries.com/pdfs/200mp.pdf
) 47 51 66 72 72 hour RT 82 90 118 129 72 hour 158°F (70°C) 168 184 181 198 72 hour RT - 180° peel, 2 mil al foil 77 84 133 146 II
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