This page on resin starvation might help:
http://www.dfrsolutions.com/publications/let-it-flow/

On Mon, Apr 11, 2016 at 6:15 PM, Yuan-chia Joyce Koo <[log in to unmask]>
wrote:

> Ta cap have self healing (if done properly) capability, function within
> spec and design within the margin, should be OK, unless you got from
> non-proven  source  (parts... there are Ta caps that would blow, just a
> little over the spec....).
> my 1.5 cents.
>       jk
> On Apr 11, 2016, at 7:45 PM, Julie Silk wrote:
>
> Are you sure the blown tantalum capacitor was a result of the failure and
>> not the cause of it?  That is, if the cap blew, would this cause the
>> overheating that spewed molten solder out of the via?  Ta caps can fail
>> with the right (wrong) circumstances, even if loaded correctly.
>>
>
>
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