Defines materials based on Glass Transition Temperature, critical for lead-free soldering.
All About IPC-4101 and IPC-4103 Slash Sheets - Altium Resources ipc4101 pdf exclusive
IPC-4101 serves as the primary industry standard for rigid and multilayer PCB base materials, utilizing "slash sheets" to define specifications for laminate and prepreg properties. The current IPC-4101E standard, often accessed through manufacturer guides, outlines critical performance criteria including resin systems and glass transition temperatures. Detailed explanations for interpreting these specifications can be found at Epec’s Blog . IPC 4101: A Comprehensive Guide to PCB Base Materials often accessed through manufacturer guides