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October 1997

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Subject:
Re: Plastic Parts: Low Temperature Bake!
From:
Marie-Josee Lambert <[log in to unmask]>
Reply To:
TechNet Mail Forum.
Date:
Tue, 14 Oct 1997 09:10:49 -0400
Content-Type:
text/plain
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text/plain (58 lines) 
You can use a vacuum oven with nitrogen. First, you do the vacuum, than you
fill the oven with nitrogen. If your oven has a good seal, it will not
consume a lot of gaz. I used this system and it works find.



At 04:52 PM 10/13/97 E, you wrote:
>I have asked several questions regarding plastic parts with good results,
>but still have one issue.
>
>Throughout IPC-SM-786A there is reference to baking out plastic parts at 40C
>and <5%RH.
>
>HOW?
>
>
>Who has the equipment to bake under these conditions?   I assume you need a
>special oven to keep the humidity low...  A regular oven running in a
>standard ESD safe environment will not have such a low RH inside...
>
>
>Thanks,
>
>Michael Lang
>[log in to unmask]
>
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>
Marie-Josee Lambert
Process Engineer
Matrox Electronic Systems Ltd
E-Mail: [log in to unmask]

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