Blind/Buried vias have missing internal pad(s). Specifically blind/buried vias that connect 3 layers together will have missing pad on the middle layer of the stack:
Gerber does not have this glitch.
ODB++ Export missing via pads
ODB++ Export missing via pads
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Re: ODB++ Export missing via pads
Thank you for the report, we will investigate the issue. What software do you use to open and preview ODB++ files?
Re: ODB++ Export missing via pads
I use the free version of ViewMate to open both ODB++ and Gerber.