Coefficient of thermal expansion
A dimensional response to temperature change, reported with direction and test context.
Also called: CTE, CTE
Material family: Electrical and electronic materials
Where it matters
PCB substrate, laminate and reinforcement qualification
Testing and verification
In-plane and through-thickness behaviour must not be combined into an unexplained number.
Related guides
- Advanced PCB Fiberglass, Prepregs & Copper-Clad Laminates
- Switchgear & Electrical Assembly Insulation Materials
Related products and materials
- Industrial Electrical Insulation
- Copper Magnet Wire & Winding Materials
- Transformer Insulation Paper & Pressboard
- PCB Prepreg & Copper-Clad Laminates
General information for preliminary evaluation; not independently reviewed or certified. Confirm grades, standards and suitability with the manufacturer for your application. Interpret within the exact material, grade and test method.