[PEDA] BGA Tenting/Specifications

2004-01-05 Thread Michael Biggs
Can get I a few opinions about how you guys handle BGA components in your layouts? Do you generally tent (using tenting in Protel99SE via properties) the dog-bone vias that branch off of each BGA pad to prevent solder thieving or specify in your specifications to Plug top side vias. There may be

Re: [PEDA] BGA Tenting/Specifications

2004-01-05 Thread Dennis Saputelli
re SE99 we tent them you want to do this to improve yield then place free pads on bottom side soldermask to allow probing generally i think plugging is to be avoided for various reasons (assuming by 'plugging' we are referring to put some material in the hole) in DXP you can make top and