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Copper clad laminate (CCL) is a composite material widely used in the production of printed circuit boards (PCBs). It consists of a substrate, typically made from fiberglass or epoxy resin, that is coated with a thin layer of copper on one or both sides. The copper layer serves as the conductive pathway for electrical signals, while the substrate provides structural integrity and insulation. CCL is essential for the manufacturing of PCBs, which are integral components in electronic devices.
| Material | Fiberglass epoxy resin or phenolic paper |
| Copper thickness | 1 oz to 3 oz per square foot |
| Standard sizes | Typically available in sheets of 48" x 36" or custom sizes |
| Dielectric constant | Typically ranges from 3.0 to 5.0 |
| Flame retardant rating | UL 94 V-0 or V-1 |
When selecting copper clad laminate, buyers should consider the specific application requirements, including the dielectric constant, copper thickness, and flame retardant properties. It is essential to specify the desired size and any necessary certifications, such as UL ratings. Quantities may vary based on production needs, so understanding the scale of your project will help in obtaining accurate quotes.
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Copper thickness usually ranges from 1 oz to 3 oz per square foot.
Yes, it can be customized in terms of size, thickness, and material properties.
It is used in consumer electronics, telecommunications, automotive, and more.
Look for UL certifications, such as UL 94 for flame retardance.
A lower dielectric constant generally allows for higher signal speeds and less signal loss.
Yes, but specific materials with lower dielectric constants are preferred for high-frequency use.