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Harinder
This is a good one for the archives. It's a topic that's been covered many
times in the past. I recommend searching for "bak" to cover both bake and
baking. You'll find a wide range of recommendations for time, temperature,
materials and surface finish.
> ----------
> From: Harinder Jassal[SMTP:[log in to unmask]]
> Reply To: TechNet E-Mail Forum.;Harinder Jassal
> Sent: Thursday, January 25, 2001 2:40 PM
> To: [log in to unmask]
> Subject: [TN] PCB Baking
>
> Hi TechNetters,
>
> Is there any standard (IPC or otherwise) that details the requirements and
> the process of baking bare PC boards prior to assembly? It is standard
> practice to bake boards that have been stored in high humidity conditions
> for long periods. These boards will have absorbed moisture and will need
> drying before wave soldering to prevent outgassing. This should not be an
> issue with surface mount boards that will be reflowed. Given that the
> baking process will accelerate pad oxidization, is there any good reason
> to bake SMT boards?
>
> Harinder Jassal
> Manager, Manufacturing Engineering
> Aimtronics Corporation (Delta)
> Tel: 604-946-9666
> Direct: 604-940-5712
> Fax: 604-946-7611
> [log in to unmask]
>
>
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