OP, you means you want LTCC style of PCB?
> While it is possible that some level of cabosil or other ground silica
> filler product may be added to the prepreg resin, I would be very, very
> careful of going down that path. Once again, you do not get something for
> nothing. Extensive qualification would be required for such a change. The
> insulative, dielectric, thermal expansion (CTE), thermal radiation, and
> many other properties would see a radical change if the laminate resin
> properties changed. Issues such as the ability to be drilled, drill wear,
> router wear, the ability for drilled holes to be plated through (bond
> strength of plated copper to the hole wall, moisture absorption (or lack
> thereof), glass transition (Tg) and damage point (Td) temperatures,
> resistance to CAF formation, flux entrapment, thermal dissipation
> properties, solder mask bonding, clad copper foil bonding strength, there
> are so many that would need to be qualified and studied. Is there a
> compelling reason you would want to do this? I'm not saying it is a bad
> idea, I am just saying proceed with extreme caution.
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of
> [log in to unmask]
> Sent: Tuesday, February 28, 2017 8:07 AM
> To: [log in to unmask]
> Subject: [TN] LF Laminates, Resin Fillers
>
> Dell - Internal Use - Confidential
>
> Bhanu,
>
>     Thank you for sharing.....   I hope that other forum gurus will chime
> in on my laminate resin inquiry.
>
> Victor,
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Bhanu Sood
> Sent: Monday, February 27, 2017 1:57 PM
> To: [log in to unmask]
> Subject: Re: [TN] LF Laminates, Resin Fillers
>
> No.
> For a resin matrix used in e-glass reinforced laminates (e.g. FR4), adding
> spherical glass fillers creates too many opportunities for reliability and
> quality issues.
>
>
> On Mon, Feb 27, 2017 at 9:50 AM, <[log in to unmask]> wrote:
>
>> Fellow TechNetters:
>>
>>    Can the laminate resin incorporate round/sphere glass media filler?
>>
>> Victor,
>>
>
>
>
> --
> Bhanu Sood
> Tel: (202) 468-8449
>