Filled vias could be referring to blind vias that are plated closed.
I have built surface mount in this manner when the vias were
within the surface mount land areas. Needless to say it did not
always look pretty, but seemed to work just fine for assembly.
Robert E. Welch
Process Specialist
Email: [log in to unmask]
Modem: 804-239-9120
Fax: 804-237-3048
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