Wow... these things are tiny!
I have a board using a 13x13, 7mm^2 body, 0.5mm pitch bga package. I've done blind and buried via boards before, but never a microvia board. I've played around with a couple designs using microvias, but they weren't quite the same as this design. This board is approximately 1"x2" and has 600 pins.
I've been searching and reading about microvia fabrication and design processes and board stackups. There seems to be a lot regarding 1mm pitch devices, but not 0.5mm bga devices. I have 17 years of layout experience.
Can anyone point me to a book, a website, any other resource, or even your own experience with this technology scale?
Thanks,
Steve