In that case, you haven't asked a question, you have proposed a speculation.

Brian

On 30/01/2013 17:22, Victor Hernandez wrote:
> Folks,
>
>     Again I state my inquiry, " Can/theatrically excessive saturation of the SMT components-BGA, etc. devices with the above stated product can a leakage condition".   I don't feel I got an answer.   I am very aware that the placement of the paste should only be over the die surface and with a control volume.    I don't have the brand and/or composition make of the gray material before me, only the aftermath effects of the component /BGA over saturation.
>
> Victor,
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Nutting, Phil
> Sent: Wednesday, January 30, 2013 9:05 AM
> To: [log in to unmask]
> Subject: Re: [TN] Gray Thermal Heat Sink Compound-paste
>
> Hi guys,
>
> In our testing the type of thermal paste does not make a difference if the surfaces are really smooth (16 µin or better surface).  Where it makes a difference is in rougher surfaces.  And Brian is right, more is not better.
>
> For electrical isolation we have switch from a thixotropic phase change material (Isostrate) to T-gard with great results.
>
> Just my 2 ¢
>
> Phil
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Brian Ellis
> Sent: Wednesday, January 30, 2013 9:52 AM
> To: [log in to unmask]
> Subject: Re: [TN] Gray Thermal Heat Sink Compound-paste
>
> It depends.... on its composition. If it's grey, it may rely on fine metallic powder. I have some Thermaltake TG2 which the makers claim has low electrical conductivity but I suspect it may have metal in it. I use it for CPUs to radiators, so its electrical characteristics are unimportant. Consult the manufacturer's data. BTW, don't put on an excess; if it squeezes out, you're wasting a costly product :(
>
> Brian
>
> On 30/01/2013 15:41, Victor Hernandez wrote:
>> Folks,
>>
>>      Can excessive saturation of the SMT components-BGA, etc. devices with the above stated product can a leakage condition.   Cosmetic wise  it doesn't look pretty.   I am concern functionally over a long period of time.
>>
>> Victor,
>>
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