Thanks...!

-----Original Message-----
From: David Bergman [mailto:[log in to unmask]]
Sent: Wednesday, February 01, 2006 1:59 PM
To: [log in to unmask]
Subject: Re: [DC] Just say 'NO' to RoHS is plain wrong?


Hi Fred,

I would be hard pressed to find any spec sheet in 4101 that is not RoHS
compliant.  Unless the resin supplier is using some targeted PBDE for a
flame retardant there would not be an issue.  Most laminates use TBBPA
but there are some sheets that now include alternative retardant
systems.  The spec sheets that are being pushed as lead free are
materials that are more thermally tolerant to the higher processing
temperatures of lead free soldering.  So yes /99 is RoHS compliant, as
is /26.  

Best regards,
Dave

David W. Bergman, CAE
Vice President, Standards, Technology and International Relations
IPC
3000 Lakeside Drive # 309S
Bannockburn, IL 60015
Phone 847-597-2840 Fax 847-615-5640
Mobile 847-867-1388
Main 847-615-7100
email [log in to unmask]      www.ipc.org

-----Original Message-----
From: DesignerCouncil [mailto:[log in to unmask]] On Behalf Of Fred
Dark
Sent: Wednesday, February 01, 2006 12:36 PM
To: [log in to unmask]
Subject: [DC] Just say 'NO' to RoHS is plain wrong?

Hello all, The IPC-4101/99 is supposed to be Lead Free FR4 material. The
/26 is the standard FR4 used in a leaded process.  The /99 is the
proposed material for use in a No Lead process. Both use a bromine based
flame retardant. The RoHS compliant material uses a TBBPA based system
although manufacturers are looking into non-halogen materials as bromine
substitutes. Is the /99 compliant...?

Regard's, Fred Dark Jr.
 

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