Sep 10, 2008 #1 S safwati Newbie level 1 Joined Sep 10, 2008 Messages 1 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,287 solder void hi.. does anyone know and have experience with LGA (Land Grid Array)? i would like to know how if i want to reduce the solder void issue. as far as i know for BGA the max solder void % is 25%. but for LGA, there is no spec yet in IPC. how the PCB design, stencil opening, solder paste and reflow profile affect solder void?
solder void hi.. does anyone know and have experience with LGA (Land Grid Array)? i would like to know how if i want to reduce the solder void issue. as far as i know for BGA the max solder void % is 25%. but for LGA, there is no spec yet in IPC. how the PCB design, stencil opening, solder paste and reflow profile affect solder void?
Sep 30, 2008 #2 tanuki Member level 5 Joined Jun 11, 2001 Messages 92 Helped 4 Reputation 8 Reaction score 1 Trophy points 1,288 Location Spain Activity points 841 lga void Search for: solder mask defined pads Example: http://www.irf.com/technical-info/appnotes/an-1028.pdf
lga void Search for: solder mask defined pads Example: http://www.irf.com/technical-info/appnotes/an-1028.pdf