Agency for Science, Technology and Research

Chee Wai Albert Lu

Boon Keng Lok

Joungho Kim

Kai Meng Chua

Chee Khuen Stephen Wong

Lai Lai Wai

Jongbae Park

Sunnappan Vasudivan

In a double-stacked electromagnetic bandgap (EBG) structure, a first conductive plane and a second conductive plane are spaced apart in parallel. At least two EBG layers are embedded in parallel between the first conductive plane and the second conductive plane. The at least two EBG layers have different stopband characteristics. A plurality of vias connect the at least two EBG layers respectively to one of the first and second conductive planes. At least the vias connecting one of the EBG layers pass through via holes in cells of another EBG layer.

Double-stacked EBG structure

A substrate for power decoupling and a method of forming a substrate for power decoupling. The substrate comprises one or more decoupling capacitors; and one or more interconnections to the decoupling capacitors. At least one of the interconnections comprises a lossy material.

Capacitor interconnection

Growing community of inventors

Singapore, Singapore

Chee Wai Albert Lu