Advanced Cleanroom Infrastructure at SUNUM: Pioneering Semiconductor Innovations

Semiconductors are the backbone of modern electronics, driving technological advancements across industries. At the forefront of this field is the SUNUM, with its cutting-edge cleanroom and micro/nanofabrication laboratories.

The state-of-the-art facilities of Sabancı University Nanotechnology Research and Application Center (SUNUM) are integral to both academic research and industrial development, enabling pioneering work in semiconductor technology and nano-electronics.

SUNUM’s National Role in Research and Innovation

SUNUM, established in 2010 with an investment of $35 million under Sabancı University umbrella, has rapidly become one of Turkey’s premier research infrastructures. By 2017, it was designated as one of the four National Research Infrastructures, a recognition of its significant role in advancing technology through multidisciplinary research. Focusing on sectors like energy, life sciences, defense, and nano-electronics, SUNUM’s facilities are tailored to meet both regional needs and global technological trends.

At the heart of SUNUM’s semiconductor-related research is its Micro and Nanofabrication Laboratory, featuring an advanced cleanroom infrastructure that meets international standards for precision and cleanliness.

Micro & Nanofabrication Laboratory: Objectives and Capabilities

The Micro and Nanofabrication Laboratory’s cleanroom operates at Class 100, Class 1,000, and Class 10,000 (ISO 5, 6, and 7) standards. This stringent control ensures a contaminant-free environment ideal for the precise deposition, etching, and fabrication of micro- and nano-scale structures essential for semiconductor technology.

Key objectives include:

• Deposition of organic/inorganic conductive, insulating, and semi-conductive materials.
• Fabrication of functional structures from a few nanometers to hundreds of micrometers.
• Multi-level analyses and tests on micro- and nano-systems.

This advanced facility enables the production of prototypes and components crucial to numerous high-tech applications, including communications, defense, health and energy.

Semiconductor and Nano-System Applications

SUNUM’s cleanroom plays a pivotal role in the fabrication and testing of micro- and nano-scale semiconductor systems, addressing various applications:

• Microfluidic circuits for chemical and biological sensors, including sample separators and mixers.
• Capacitive sensors and Lab-on-a-Chip devices for environmental and biological sensing.
• RF MEMS circuit elements (e.g., filters and resonators) for advanced communication systems.
• Infrared sensors and detectors, key for defense and space applications.
• Optical circuit elements, such as resonators, reflectors, and filters for high-speed data transfer.
• Inertial sensors, including gyroscopes and accelerometers, vital for navigation systems.

These applications underscore the lab’s significance in developing components that enhance sensor sensitivity, energy efficiency, and communication speed—all critical in the semiconductor industry.

World-Class Equipment for Precision and Innovation

The cleanroom at SUNUM is equipped with state-of-the-art tools to support the fabrication and testing of advanced semiconductor devices. Some of the standout equipment includes:

• KLA-Tencor P6 Surface Profiler for high-precision surface characterization.
• Vistec EBPG5000plusES Electron Beam Lithography System, enabling nanometer-scale patterning.
• Oxford PlasmaLab PECVD and ICP systems for advanced etching and material deposition, crucial for semiconductor device fabrication.
• Torr E-beam and Thermal Evaporators for precise material layer deposition, essential in semiconductor manufacturing.
• Cascade Microtech PM5 Probe Station and CP4 4-Point Probe for electrical testing of semiconductor devices.
• SSI Solaris Rapid Thermal Annealer, crucial for altering material properties post-fabrication.

These tools allow for the precise manipulation of materials at the atomic level, ensuring that researchers can produce high-performance semiconductor devices with exacting standards of quality and reliability.

Cleanroom Classifications: A Crucial Component for Semiconductor Research

One of the standout features of SUNUM’s cleanroom infrastructure is its adherence to Class 100, Class 1,000, and Class 10,000 standards. This means that particles as small as 0.5 microns are meticulously controlled, an absolute necessity when working with semiconductor wafers and other sensitive materials.

In semiconductor fabrication, even the smallest contaminant can lead to defective products, making cleanrooms essential for ensuring yield and reliability. By maintaining such stringent environmental controls, SUNUM ensures that prototypes and materials are produced in conditions optimized for precision and repeatability—key factors in semiconductor research.

Impact and Future Potential

SUNUM’s cleanroom and Micro & Nanofabrication Laboratory continue to support cutting-edge research in semiconductor technology. The ability to fabricate and test devices at the nanoscale allows SUNUM to contribute to critical advancements in various sectors:

• Health: Developing microfluidic circuits and sensors for diagnostics.
• Energy: Innovating semiconductor materials for more efficient energy conversion.
• Defense: Producing highly sensitive infrared sensors and RF-MEMS components.
• Communication: Enhancing RF circuit elements for next-gen wireless technologies.

As global demand for semiconductors grows, SUNUM’s infrastructure is poised to support breakthroughs that will shape the future of electronics and technology.