Andy,
...and what event might this be at? Any other
details? Sounds interesting...
Ron.
At 02:10 PM 23-01-04 -0600, you wrote:
And don't forget that Happy Holden, that guru of
all things esoteric
when it comes to pcb design, will be expounding at
great length on just
this topic from a design point of view at Anaheim
in February, as well
as a bunch of sessions from various people from the
fab perspective.
You need to BE THERE !!!
Andy K.
Sychip Inc
Office (972) 202 8852
-----Original Message-----
From: DesignerCouncil
[mailto:[log in to unmask]] On Behalf Of
Brooks,Bill
Sent: Friday, January 23, 2004 2:04 PM
To: [log in to unmask]
Subject: Re: [DC] Blind Vias
Thanks, Suzy.. much better said.
There is a great IPC guide on HDI technology which
includes some about
blind
and buried vias...
IPC/JPCA-2315 a Design Guide for High Density
Interconnects and
Microvias...
You might want to get a copy if you don't already
have one...
Happy Holden or Mike Fitz may also have some other
reference material
for
you to look at online, Rex.
Bill Brooks
PCB Design Engineer , C.I.D., C.I.I.
Tel: (760)597-1500 Ext 3772 Fax: (760)597-1510
-----Original Message-----
From: [log in to unmask] [mailto:[log in to unmask]]
Sent: Friday, January 23, 2004 11:49 AM
To: (Designers Council Forum); Brooks, Bill
Subject: Re: [DC] Blind Vias
All,
I am wondering if we are is missing Happy's
point... or maybe it's me. I
think that what Happy was saying was that because
of the way you build a
board, you cannot use blind vias to go from just
any layer to just any
other layer. You have to set up the blind vias for
drilling layer pairs,
taking into consideration how you are going to
stack the board at
manufacture. How are you going to drill from layer
1 to layer 5 unless
it's controlled depth drilling?
Susy
> I have done one board with blind vias and
discovered that they really
like
> a
> symmetrical arrangement, what ever you do on one
side needs to be done
on
> the other, that keeps the board from warping..
>
> The guys over at Hughes Circuits were helpful in
getting that board
made
> for
> me... I know that Coretec has done a lot of
blind vias and Power
Circuits
> in
> Anaheim was doing laser drilled blind vias...
> Merix is supposed to be good at it, and I'm sure
Tyco has a group that
> could
> as well.
>
> Maybe someone else has a good recommendation for
someone to work with
> you..
>
>
> Bill Brooks
> PCB Design Engineer , C.I.D., C.I.I.
> Tel: (760)597-1500 Ext 3772 Fax: (760)597-1510
>
>
> -----Original Message-----
> From: Brooks,Bill
> Sent: Friday, January 23, 2004 8:31 AM
> To: '(Designers Council Forum)'; Brooks,Bill
> Subject: RE: [DC] Prototype manufacturer
>
> Except as Happy points out... the blind vias
could be a big issue..
sorry
> I
> missed that detail in scanning your e-mail
>
>
> Bill Brooks
> PCB Design Engineer , C.I.D., C.I.I.
> Tel: (760)597-1500 Ext 3772 Fax: (760)597-1510
>
>
> -----Original Message-----
> From: Brooks,Bill [mailto:[log in to unmask]]
> Sent: Friday, January 23, 2004 8:28 AM
> To: [log in to unmask]
> Subject: Re: [DC] Prototype manufacturer
>
> It sounds like just about any manufacturer here
in San Diego could do
> that...of course there are other places in the
US mainland that could
> supply
> them for you too... there's a list ( although
it's old) on my
website..
> http://home.fda.net/bbrooks/pca/pca.htm
>
> Here's a list of some of the houses I have used
here locally...
>
> Circuit Logic (760) 489-9388 [log in to unmask]
> Hughes Circuits (760) 744-0300
[log in to unmask]
> Hallmark Circuits (858) 748-1430
[log in to unmask]
> Alphanetics, Inc. (714) 647-9750
[log in to unmask]
> TTM (Power Circuits) (714) 327-3042
[log in to unmask]
> Tyco http://printedcircuits.tycoelectronics.com/
> Coretec www.cortec.com
> U. S. Circuits Inc (760) 489-1413
>
>
> That's just the tip of the iceberg I'm sure..
>
> Good luck with your boards
>
> Bill Brooks
> PCB Design Engineer , C.I.D., C.I.I.
> Tel: (760)597-1500 Ext 3772 Fax: (760)597-1510
>
>
> -----Original Message-----
> From: Rex Dalipe [mailto:[log in to unmask]]
> Sent: Friday, January 23, 2004 3:07 AM
> To: [log in to unmask]
> Subject: [DC] Prototype manufacturer
>
> Hi,
>
> Can anyone recommend PCB prototype
manufacturer? We are based here in
the
> Philippines and we need a manufacturer who can
provide us with a
prototype
> for a board with the following characteristics:
>
> Board Material :FR4 0.5 oz copper
> Dimensions: 25.4x25.4 mm
> Thickness: 0.8 mm
> Layers: 6
> Finish: Immersion Gold
> Vias: PTH, Blind Vias - L1-L2, L1-L4, L1-L5,
L3-L6
> Panel: 10 boards/panel. with TDR coupon
> Panel size: 145x82 mm
> Impedance control
> Required leadtime: 7 days or less (pref. 5 days
inclusive of delivery)
>
>
> Although for our prototype, we only need one
panel or so. If you can
> recommend any manufacturer, I would greatly
appreciate it. We need to
get
> this done ASAP. If you guys need more
information, please don't
hestitate
> to
> email me directly.
>
> Thanks and Regards,
>
> Rex Dalipe
> Design Engineer
>
>
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