junhotech

junhotech

All About CEM-3 Materials

CEM-3 Materials “CEM-3” composite epoxy resin material type 3, is made from epoxy resin, glass cloth, and glass fiber padding. It is a medium-performance material used in the manufacturing of printed circuit boards and is typically considered a cost-effective option suitable for…

Copper Clad Laminate Grade?

FR-1 – phenolic cotton paper, this base material is commonly known as bakelite (more economical than FR-2)FR-2 – phenolic cotton paper,FR-3 – cotton paper, epoxy resinFR-4 – Woven glass, epoxy resinFR-5 – glass cloth, epoxy resinFR-6 – matte glass, polyesterG-10 –…

Comprehensive Guide to PCB Via Types

Comprehensive Guide to PCB Via Types A via or vertical interconnect access is a hole in a printed circuit board that is drilled through the board layers and is also comprised of conductive materials like copper filled within to facilitate…