Advanced routing for scalable quantum devices.

2.5D and 3D Fabrication

2.5D & 3D Integration

Airbridge Routing for Compact Quantum Circuits

iQnite offers 2.5D and 3D superconducting fabrication solutions for quantum devices requiring complex signal routing, compact layouts, and multilayer integration.

Our aluminum airbridge process enables crossover routing and ground-plane connection in planar superconducting circuits, improving layout flexibility for CPW resonators, qubits, and microwave circuits.

6 μm

Typical bridge width

20 μm

Bridge length

CPW

Resonator routing

GND

Separated-ground bridging
3D Integration

Superconducting Flip-Chip Bonding

Together, iQnite’s 2.5D and 3D capabilities enable customized QPUs and superconducting quantum devices with advanced routing, vertical integration, and scalable circuit architectures.

Indium Microbumps

Superconducting flip-chip bonding for 3D device integration.

>99.9% Yield

High microbump yield for reliable chip-to-chip interconnects.

8-10 μm Gap Control

Precise chip-to-chip spacing with minimal sample tilting.

Scalable QPU Architectures

Supports advanced routing, vertical integration, and custom superconducting devices.

About Us

iQnite provides open-PDK superconducting chip fabrication, helping research teams move from GDS submission to tested, packaged devices through a clear and reliable foundry workflow.