Re: [PEDA] ODB++

2002-03-20 Thread Evan Scarborough

Greetings,

ODB++ is becoming well known in local (So. Calif. is local to me) pcb shops, 
but the old gerber 274x will be around for a long time. ODB++ is either 
loved or hated.


Most photoplotting equipment still uses a gerber format input and the 
gerber output from Valor's Genesis (one of the ODB++ based CAM tool 
becoming common in the industry) is much larger than a comparable gerber 
output from a design tool or basic gerber editor and it creates many paint 
and scratch layers and custom shape definitions that are not forced by (or 
created in the) actual design.  This can cause many problems (huge file 
sizes, mis-interpreted polygons and pad shapes, system crashes and more) for 
shops with older hardware. It also creates headaches when all you want is to 
make a simple gerber level edit without buying the latest CAM tools (and 
learning another set of macros and scripting tools).

I have worked in PCB manufacturing for 27 years and been designing for 10 
and my recommendation for is to avoid odb++ whenever possible because it 
over complicates a fairly simple process for most boards.

There ar some applications where it really is good, but it is not 
necessarily a better way for all. Keep in mind that it is a marketing tool 
(with all the hype) for some of the big older companies that have lost 
market share since PC's  upstart design  CAM packages became powerful 
enough to do what only they could do before - i.e. Let's not make good, 
affordable tools but let's shake up the industry and get market share back 
with another big and unintelligible data format that only we (-maybe-) can 
make work.

It is a good format if you plan to maintain design control all the way from 
schematic through pick and place and assembled electrical testing by using 
only vendors with the softhardware designed to use it that are comitted to 
working closely with you all the way through and not ever asked to do a 
manual edit of data or a custom change to a board.

Best Regards - Evan Scarborough
www.e-cadds.com

From: Ian Wilson [EMAIL PROTECTED]
Reply-To: Protel EDA Forum [EMAIL PROTECTED]
To: Protel EDA Forum [EMAIL PROTECTED]
Subject: [PEDA] ODB++
Date: Thu, 21 Mar 2002 09:15:45 +1100

There is a new press release on the Protel www site saying the next version
is going to support ODB++.

How prevalent is ODB++? In Oz?

I am not sure the number of Oz PCB makers and assemblers that can accept it
but since Protel has such huge market share in this country this may be
something of an incentive for such service providers to tool up.

Ian Wilson


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Re: [PEDA] ODB++

2002-03-20 Thread Ian Capps

Hi Ian

I know that if I said ODB++ to anyone in the fab shop where I used to work
(in Brisbane) all I would get is funny looks.

Ian Capps
- Original Message -
From: Ian Wilson [EMAIL PROTECTED]
To: Protel EDA Forum [EMAIL PROTECTED]
Sent: Thursday, March 21, 2002 8:15 AM
Subject: [PEDA] ODB++


 There is a new press release on the Protel www site saying the next
version
 is going to support ODB++.

 How prevalent is ODB++? In Oz?

 I am not sure the number of Oz PCB makers and assemblers that can accept
it
 but since Protel has such huge market share in this country this may be
 something of an incentive for such service providers to tool up.

 Ian Wilson


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Re: [PEDA] ODB++

2002-03-20 Thread Mike Reagan


Hooray   I have board houses requesting ODB++  all of the time!  My only
delimma is how can my cuatomers  review pcb files , hopefully I can stil
output gerber also.



Mike Reagan
EDSI
Frederick MD



Original Message -
From: Ian Wilson [EMAIL PROTECTED]
To: Protel EDA Forum [EMAIL PROTECTED]
Sent: Wednesday, March 20, 2002 5:15 PM
Subject: [PEDA] ODB++


 There is a new press release on the Protel www site saying the next
version
 is going to support ODB++.

 How prevalent is ODB++? In Oz?

 I am not sure the number of Oz PCB makers and assemblers that can accept
it
 but since Protel has such huge market share in this country this may be
 something of an incentive for such service providers to tool up.

 Ian Wilson


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