Lead free oven can be used for Sn/Pb oven but Sn/Pb oven some time cannot
be used for Lead free process because of lake of power / control etc.
Reuven
On Wed, Dec 28, 2011 at 7:57 PM, Stadem, Richard D. <[log in to unmask]>wrote:
> No, it does not. The use of the same equipment to process both (or
> various) alloys is done on a regular basis worldwide. I even know of
> situations where the same stencil/squeegee is used for both RoHS and leaded
> versions of a particular product. Of course, they are thoroughly cleaned
> and inspected between runs. Both products are run through the same wash
> process as well, in the industry this is a common practice.
> Could there be an individual renegade solderball entrapped somewhere of
> the wrong alloy? Possibly.
> Does that constitute a violation of RoHS? No, it is not more than .05% of
> any solder joint.
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Keith Calhoun
> Sent: Wednesday, December 28, 2011 7:38 AM
> To: [log in to unmask]
> Subject: [TN] Oven contamination
>
> We were recently asked a question by one of our customers that I didn't
> have an answer to.
> Does the use of a common reflow oven for leaded and RoHs products result
> in any cross contamination of these products.
> On first glance I would have just said no, that isn't an issue, but I
> want to know if anyone else has ever looked into this in any detail.
>
> Thanks for all the support;
>
> Keith S. Calhoun
> Manufacturing Engineering Manager
> Sopark Corporation
> 3300 South Park Avenue
> Lackawanna, New York 14218
> 716-822-0434 Ext. 237
> [log in to unmask]
>
>
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*Reuven Rokah*
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