Agreed, Dave. Identification of the cause is always a good place to start. Brian On 05/07/2012 17:24, David D. Hillman wrote: > Hi Neil - before you go down that road, I recommend you determine the root > cause of the dendritic growth. You may be able to eliminate the issue with > other methods than tenting the vias which may be more advantageous or > lower cost. Tenting the vias could make the situation worst depending on > what is causing their initiation and growth. Good Luck. > > Dave Hillman > Rockwell Collins > [log in to unmask] > > > > > Neil Atkinson <[log in to unmask]> > Sent by: TechNet <[log in to unmask]> > 07/04/2012 11:02 AM > Please respond to > TechNet E-Mail Forum <[log in to unmask]>; Please respond to > <[log in to unmask]> > > > To > <[log in to unmask]> > cc > > Subject > [TN] Copper Dendrites > > > > > > > > > What is the view of covering vias with solder resist to prevent dendrite > growth? > > This is an FR4 PCB with OSP finish, SMT reflow both sides and a few > through hole components soldered with a selective soldering process... > > Thanks in anticipation of the help of the Technet! > > Neil > > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please contact helpdesk at x2960 or [log in to unmask] > ______________________________________________________________________ > > > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please contact helpdesk at x2960 or [log in to unmask] > ______________________________________________________________________ > ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________