IPC TM-650 2.4.41.2A-2004
Coefficient of Thermal Expansion-Strain Gage Method

Standard No.
IPC TM-650 2.4.41.2A-2004
Release Date
2004
Published By
IPC - Association Connecting Electronics Industries
Scope
To describe the strain gage method for determining linear thermal expansion of laminated materials within the temperature range of ?55 ??to +130 ??and inorganic substrates (nonlaminated) with a range of ?55 ??to +150 ?? Care should be taken if the higher temperatures are used. The adhesive shown is rated by the manufacturer from less than ?200 ??to greater than +300 ?? however@ for higher temperature pretesting with the Titanium Silicate Standard or materials of known thermal expansion characteristics is recommended.



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