Location History:
- Irvine, CA (US) (1990 - 1992)
- Carlsbad, CA (US) (1993)
Company Filing History:
Years Active: 1990-1993
Title: Cevat Kumbasar: Innovator in Integrated Circuit Technologies
Introduction: Cevat Kumbasar, a notable inventor based in Irvine, California, has made significant contributions to the field of integrated circuits. With a total of three patents to his name, Kumbasar has demonstrated a profound understanding of semiconductor technologies and their applications.
Latest Patents: Among his latest and significant patents, Kumbasar has developed a Test Wafer for Diagnosing Flaws in Integrated Circuit Fabrication. This innovative test wafer is designed to quickly detect A-C defects in the wafer fabrication process. It features a semiconductor substrate with a major surface embedded with diagnostic circuits. Each circuit includes multiple ring oscillators that generate cyclic output signals, allowing for the identification of defective oscillators through comparative speed analysis. A defective ring oscillator can be further analyzed using an E-beam microscope to investigate the cause of the defects.
Another noteworthy patent is the Random Access Compare Array, which comprises a collection of multi-bit comparator circuits connected to respective multi-bit registers. This design allows for efficient comparison processes by utilizing an address distribution circuit, which enhances the speed of operations through parallel processing. The ability to selectively pass match signals to a single output pin also alleviates size constraints on the chip.
Career Highlights: Kumbasar currently works for Unisys Corporation, a firm known for its advancements in information technology and integrated solutions. His expertise in integrated circuits contributes greatly to the company’s innovative projects and developments.
Collaborations: In his career, Kumbasar has collaborated with esteemed colleagues including Jonathan A. Levi and Richard J. Petschauer. Their collective efforts in research and development have contributed significantly to the enhancement of integrated circuit technologies.
Conclusion: Cevat Kumbasar stands out as a remarkable inventor in the field of semiconductor technology. Through his innovative patents and collaborations at Unisys Corporation, he continues to push boundaries and find solutions for diagnosing and improving integrated circuit fabrication processes. His work not only reflects his ingenuity but also highlights the importance of teamwork in achieving technological advancements in the industry.