They already have that. I do not remember the name of the company, but they
can take your schematic and then use an automatic router to quickly strip
away the unwanted copper from a double-sided copper clad PWB. The router is
very precise, repeatable to within a couple of microns. Not ALL of the
unused copper needs to be removed, outlying planes can be left on for
balance or EMF shielding or for thermal control. Double-sided copper clad
PWBs less than .010" thick can be individually routed and then laminated
with .010" FR-4 blanks in between to provide a multi-layer PWB. After
lamination they drill and plate through to get the interconnects. It is
great for quick fabrication of prototype PWBs for test purposes. Especially
for ultra-high frequency applications, because the routing process leaves
perfectly smooth sides to the traces, and the conductor spacing can be as
small as .002". The key is that the spacing is exactly .002" everywhere, as
the routing process is much more controllable than a chemical etching
process. The variation in trace width and conductor spacing is much less
than chemically etched copper. I saw the system in action last year at APEX,
and the year before also, so this capability has been around for some time.
-----Original Message-----
From: DesignerCouncil [mailto:[log in to unmask]] On Behalf Of Andy
Butani
Sent: Friday, December 20, 2013 12:08 PM
To: [log in to unmask]
Subject: Re: [DC] IPC-2221B 9.2.2.3
Hi William,
I noticed you mentioned dreaming and envisioning a future where prototype
PCB's can be printed directly in the classroom; turns out, your dream is
already becoming a reality!
This successfully Kickstarter-funded company from Australia called Cartesian
Co. is in the process of making a 3D circuit board printer for the masses,
called the EX1, due to release in mid-2014. It is designed to print on a
variety of different substrates typically not associated with PCBs, such as
fabric, glass, paper, and wood! The software is also supposed to be very
easy to use, supporting standard image files that can even be created in
Microsoft Paint. You can check it out and follow it's progress
here:
http://www.kickstarter.com/projects/cartesianco/the-ex1-rapid-3d-printing-of
-circuit-boards
I know that we definitely found it intriguing, and are anxiously awaiting
the arrival of our very own!
Very happy holidays to everyone and an even happier and more prosperous new
years!
Warm Regards,
Andy Butani
American Circuit Technology
5330 E. Hunter Ave.
Anaheim, CA 92807
Direct Phone: (714) 312-6242
Office Phone: (714) 777-2480
Fax: (714) 777-2483
Email: [log in to unmask]
Website: www.ACTPCB.com <http://www.actpcb.com/>
On Tue, Dec 17, 2013 at 4:10 PM, Brooks, William <
[log in to unmask]> wrote:
> I don't see a lot of activity on this forum... everyone must be very
> busy... :)
>
> Thought I would take a moment and thank the IPC and the Designers
> Council membership for an amazing year filled with great discussion,
> learning, and innovations... What a great organization this has
> become... Thanks to the individuals who gave of their time and
> expertise to help make it what it is today...
>
>
> I just finished this Monday teaching PCB Design to a class of 18
> students this semester using Altium Designer and my own developed
> curriculum... it went very well... We will be teaching the Advanced
> Class in the Spring. The students were exposed to the use of a High
> End CAD tool, and how to use it to create a printed circuit project
> from the beginning to the end. Library development, Schematic
> creation, Placement, routing, through hole technology, Surface mount
> technology, Setting up Design Rules, working with Mechanical
> constraints, High Voltage Power conversion, Audio circuitry, coaxial
> connectors, power and ground planes, multilayer construction, via
> types, DFM, DFT, DFA... Fiducials, Fine Pitch parts, Safety agency
> design constraints like UL and CE... How to use the IPC documentation
> to guide their board development... and more... It was a full semester of
real board design learning... not just familiarity with using a tool.
>
> As I look to the future... I envision the possible application of 3D
> printing of PCB's in the classroom... The pieces of the technology are
> there... someone just needs to make it happen... :)The cost of 3D
> printing has come way down... Makerbot has a fairly nice unit for
> about 3K. Accurate to about 4 mils... As more materials become
> available to the home user to experiment with it would be interesting
> to play with something like it at making my own PCB... I would love to
> have my classroom set up with a prototyping machine that I could use
> to print out their boards with... Just a dream right now... but it may
> actually come true someday... I can dream... can't I?
>
> I'm really enjoying working here with Asymtek in Carlsbad... they have
> some amazing technology here and make really terrific products... I'm
> proud to have contributed to the success of their New Product Development
group.
> I'm looking towards the future and more exciting engineering ahead...
> :)
>
> Thanks for a great year, and here's to a great 2014 for you all... cheers!
>
>
>
> William Brooks, CID+
> Senior MTS (Contract)
> 2747 Loker Ave West
> Carlsbad, CA 92010-6603
> 760-930-7212
> Fax: 760.918.8332
> Mobile: 760.216.0170
> E-mail: [log in to unmask]
>
>
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