Embedded Capacitor Material

3M™ Embedded Capacitor Material can be embedded into rigid or flexible printed circuit boards. When used as power and ground layers in a multilayer PCB, this material effectively becomes a decoupling capacitor inside the board, allowing for the elimination of many discrete surface-mount capacitors.

This innovative material consists of a very thin dielectric layer sandwiched between two layers of copper foil. It is manufactured by coating an epoxy material onto copper foil and then laminating two coated copper foils together. After lamination, the material is cut to the desired final panel size. Laminate that lets designers and manufacturers of printed circuit boards achieve higher speeds while simplifying design tradeoffs.

Benefits of 3M embedded capacitor material:

Performs the power supply decoupling function so many discrete capacitors can be removed
Increases useable board area, allowing board size reduction
Enables higher speed circuit designs
Decreases power bus noise
Lowers radiated emissions (EMI)
Saves engineering time associated with power distribution design and board layout

The material is compatible with all rigid and flex PCB processing including laser drilling. It is flexible (compares to bare 2 ounce copper) and requires thin-core handling techniques.

Customers may use this technology without purchasing a license from 3M, which means fabricators avoid up-front fees, and OEMs are unrestricted in selecting fabricators.

Are you a fabricator? Request a copy of the Fabricator's Processing Guidelines.

Embedded Capacitor Material PDF 183K