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January 2002

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Subject:
From:
Mark Steele <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 29 Jan 2002 09:57:43 -0800
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Hi Daan,

I agree with Julian. We as a fab house have no use for some of the data
that comes along with the ODB data. Sometimes this even creates problems.

We would prefer our customers to delete their component layers, forms,
checklists
and temp layers (but please leave in the netlist!). Although I and some CAM
operators
sometimes take a look at the forms that come in with some jobs (I've even
learned a
thing or two) we would prefer not to have them.

Now if there was an established collaboration and coordination between us,
we
COULD use the customers forms and checklists as part of a larger process.
This
seems to be on the horizon for us at Toppan.



Mark Steele
CAM Automation Engineer
Toppan Electronics, Inc.
858.695.2222
[log in to unmask]



-----Original Message-----
From: Julian Coates [mailto:[log in to unmask]]
Sent: Tuesday, January 29, 2002 2:07 AM
To: [log in to unmask]
Subject: Re: [TN] ODB++


Hi Daan,

Depending on the software tool which produces the ODB++ data, the user can
select whether to take certain information out of the file before sending
the data to another company. For example, in general it is possible to
remove the netlist data, component layers etc., if required. To put it
another way, ODB++ can be used to define as much or as little of the product
as you want. Having said that, a bare-board vendor would not thank you for
removing the netlist!

Hope this helps,

Julian Coates
Valor

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of D.Terstegge
Sent: 28 January 2002 22:12
To: [log in to unmask]
Subject: Re: [TN] ODB++


I have another question about changing from Gerber to filetypes like ODB++
(or many other formats). How do you folks out there think about sending such
data, which may include almost complete design information, to the outside
world ? I mean with Gerber your stencil vendor or bare board vendor may
learn some things about mechanical characteristics of your designs (so what
?), but isn't it a risk with formats like ODB++ that someone steals a major
part of your design and your companies knowhow ?

Daan Terstegge
http://www.smtinfo.net <http://www.smtinfo.net>

----- Original Message -----
From: Earl Moon <mailto:[log in to unmask]>
To: [log in to unmask] <mailto:[log in to unmask]>
Sent: Monday, January 28, 2002 8:35 PM
Subject: Re: [TN] ODB++

Paul,

As a thoroughly experienced and long time Valor user, first I can say it's a
great package though a bit tough to learn. Concerning ODB++, most all my fab
suppliers use the convention. CAM350 and most CAM packages also output ODB
as "smart" data instead of "dumb" Gerber.

By the way, I have a set of procedures that cut through the exhaustive Valor
documentation. When you're ready, I'll send them to you. Mostly they are
actual photos of nearly every screen used in the Valor program.


Earl

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