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  PCB Materials, Printed Circuit Board Materials


A printed circuit board, or PCB, is a self-contained module of interconnected electronic components found in devices ranging from common beepers, or pagers, and radios to sophisticated radar and computer systems. The circuits are formed by a thin layer of conducting material deposited, or "printed," on the surface of an insulating board known as the substrate. Individual electronic components are placed on the surface of the substrate and soldered to the interconnecting circuits. Contact fingers along one or more edges of the substrate act as connectors to other PCBs or to external electrical devices such as on-off switches. A printed circuit board may have circuits that perform a single function, such as a signal amplifier, or multiple functions.

MOKO Circuits utilizes the following materials for PCB manufacturing:

    FR-4
    Rogers 4350

    Other materials available through Custom Quote


For some designs, PCB dielectric properties  are critical

Whether it's high-speed designs, RF, microwave, or mobile applications - where power management is key, you're finding more situations that require dielectric PCB properties in your prototypes that standard FR-4 just can't deliver. We know that.

That's why we've added Rogers 4000-series dielectric materials to our PCBExpress Quickturn product line. These new low-loss dielectric materials mean greater performance for your high-demand PCB prototypes.




You can get more information on all of Rogers' laminate products here, Contact our technical Experts who guide in the Rogers High Frequency Laminates Product Selector


PCB Glossary:


Dielectric Materials

A dielectric material is a substance that is a poor conductor of electricity, and used as an insulating layer in the PCB build up. Porcelain, mica, glass, plastics and some metal oxides are good dielectrics. The lower the dielectric loss, (the proportion of energy lost as heat) the more effective the dielectric material. If the voltage across a dielectric material becomes too great -- that is, if the electrostatic field becomes too intense -- the material will suddenly begin to conduct current. This phenomenon is called dielectric breakdown. Rogers 4350 is less likely to demonstrate a dielectric breakdown condition than FR-4.

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Keywords:PCB Materials, Printed Circuit Board Materials, FR4 Meterials, Rogers 4350