ipcb circuits limited(ipcb®) manufactures microwave radio frequency(rf) pcb, hybrid high-frequency print circuit board, multilayer pcb, hdi pcb, rigid-flex pcb, metal-based pcb, ceramic pcb, ic substrate, ic test board. we have a deep research on pcb with special requirements such as blind buried hole pcb, back drilling pcb, step slot pcb, ic substrate pcb, ultra-thick copper pcb. ipcb® provides pcb design, pcb layout, pcb prototype fabrication, and pcba services.