Very good info, thanks Jeff.
        Regards,
        Ramon 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Jeffrey Bush
Sent: Friday, February 24, 2006 8:52 AM
To: [log in to unmask]
Subject: Re: [TN] IS410 FR-4 laminate

IS410 works well - somewhat similar to FR4 with some processing
differences as described in the Isola's processing guidelines.  I would
also recommend looking at the IS415, as this is the next generation over
the IS410.  IS410 was developed for CAF resistance and when the LF
assembly issues came to light Isola realized it had good performance
thermally as well.  The materials electrical properties are not the best
and the IS415 was developed with lower Dk and loss.  I would also look
at the Polyclad FR370HR as this if likely the material to become the LF
offering as the companies merge, leaving the IS410 behind.  370HR seems
to be the preferred material, certainly in Asia.     

Jeffrey Bush
Director, Quality Assurance and Technical Support VERMONT CIRCUITS
INCORPORATED 
           76 Technology Drive - POB 1890 
              Brattleboro, Vermont 05302
                Voice - 802.257.4571 ext 21
                    Fax - 802.257.0011
                       <http://www.vtcircuits.com/> 
                           

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Scott Lefebvre
Sent: Thursday, February 23, 2006 7:46 PM
To: [log in to unmask]
Subject: [TN] IS410 FR-4 laminate

I am looking to switch from Nelco N4000-6 to Isola IS410 laminate.  I
wanted to know if anyone would be willing to share there experience with
this material.  This material will be used in a lead free process.

 

Any advice would be greatly appreciated thanks in advance.

 

Scott Lefebvre 

 


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