1. try it, test it, and prove it - depends on your processes and end

requirements. Apparently some people process Pb-F on phenolic.



2. if you put the requirement on your engineering drawing supplied to

the fab house, maybe include it in your standard purchasing agreement

and request a d of c from the vendor, then you have pretty well

fulfilled your due diligence being there are no real practicable ways to

test for RoHS compliance. 



Regards,

Chris



-----Original Message-----

From: Leadfree [mailto:[log in to unmask]] On Behalf Of Ken Patel

Sent: 16 February 2005 23:06

To: [log in to unmask]

Subject: [LF] RoHS compliance PCB



All,



I have heard that Fab Houses are moving directly to Halogenfree process,

skipping middle step knowing that Halogenfree is next in line to be

implemented. As our current fabs are built using laminate made of Tg of

170

C or more with Nickel Gold surface finish, do you see any problem?







Do we have to worry besides updating the fab notes asking for RoHS

compliance? We expect fab house to build products based on impedance

requirement. Any comments, suggestion?







Re,



Ken Patel





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