Since the CTE is often not constant over the temperature range of interest,
be careful that the values you find from the many sources of such material
indicate the relevant temperature range for the provided values. You say
"elements", but I suspect you do not mean elements as in the periodic table,
but if you do, this info is also very readily available from many sources.
Best regards,
Leo
Leo M. Higgins III, Ph.D.
Vice President, Technical Support Operations
ASAT, Inc.
3755 Capital of Texas Highway, Suite 100
Austin, Texas 78704
office phone 512-383-4593
mobile 512-423-2002
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www.asat.com
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-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Gregg A. Owens
Sent: Tuesday, February 14, 2006 4:47 PM
To: [log in to unmask]
Subject: [TN] Coeffecient of Thermal Expansion (CTE) Rates
Dear Technetters:
Anyone have a source for different CTE rates for common elements used in
electronic assemblies?
Any input appreciated.
Gregg A. Owens
Master IPC Instructor
Executive Director
Manufacturing Technology Training Center, Inc.
10427 San Sevaine Way, Suite 'I"
Mira Loma, CA 91752 USA
Tel (951) 360-1324 Fax (951) 360-1346
www.mttc-inc.com
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