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June 2000

DesignerCouncil@IPC.ORG

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From:
"Huffman, Tony" <[log in to unmask]>
Reply To:
DesignerCouncil E-Mail Forum.
Date:
Thu, 29 Jun 2000 12:26:23 -0500
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I usually get these types of things squared away during my evaluation to
approve a certain house for use within our company. I welcome and encourage
any and all feedback from the house that can make my board more
manufacturable and make their job easier. After all, the less work the board
house has to do the lower my cost "should" be (in a perfect world I guess).
;-)

Tony G. Huffman
PC Board Layout Specialist
Hunter Engineering Company
11250 Hunter Drive
Bridgeton, Mo. 63044
[log in to unmask]
(314)731-0000 ext.330
(314)731-9932 FAX
http://www.hunter.com


-----Original Message-----
From: Dee Stover [mailto:[log in to unmask]]
Sent: Thursday, June 29, 2000 11:37 AM
To: [log in to unmask]
Subject: [DC] feedback


Does anyone get regular feedback from fabricators on what would help them
to get the job done faster and better, with the reasoning behind the
request?

 Some helpful design suggestions.  Something they should put together is a
sample of the "best" they have ever seen at each of their building stages.
Maybe one job wasn't the best for every stage of the build but use it as an
example for what stage is was.
  Of course there is always our design criteria that detracts from making
something easy to fabricate.


At 10:57 AM 06/29/2000 -0500, you wrote:
>Hi Mark,
>
>Well, I only include the Board outline on the Silkscreen Layers (Top &
>Bottom).
>
>When the boards come back, some may have a very light trace of
>silkscreen ink around the edge... but I figure that's ok. On others,
>there's none. I think the Fab house edits the files to remove it on
>these.
>
>I know this isn't 'politically' correct, but I haven't had any
>questions/complaints/comments/ridicule/abusive speech from any of the
>Fabricators that receive the data this way.
>
>I don't think you want it on 'copper' layers as it may leave little
>'whiskers' that could short to something.
>
>It is more correct to use the method that Ken Fanton described...
>however, if you're doing Round boards, this might be a challenge. 8-)
>
>In fact I remember doing it this way - long ago... until I got lazy.
>
>Regards,
>
>James Jackson
>
>
>[log in to unmask] wrote:
>>
>> When generating GERBER files, I always "enable" the board outline on
>> every layer.
>>
>> Is this really necessary?  If not, which layers should the outline be on?
>>
>> Thanks,
>>
>> mark sowers
>> swissphone
>
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