Company Filing History:
Years Active: 2001-2004
Title: Yongbum Cuevas: Innovator in Semiconductor Testing
Introduction
Yongbum Cuevas is a notable inventor based in Los Gatos, CA. He has made significant contributions to the field of semiconductor technology, particularly in the area of electromigration testing. With a total of 2 patents to his name, his work has advanced the reliability and efficiency of semiconductor integrated circuits.
Latest Patents
Yongbum Cuevas holds two recent patents that showcase his innovative approach. The first patent is titled "Method for measurement of electromigration in semiconductor integrated circuits." This invention accelerates electromigration testing during the batch fabrication of semiconductor integrated circuits by forming test structures during the metal deposition phase. The method allows for the creation of test metal lines on etched steps in a silicon oxide insulating layer, ensuring that metal is not deposited on the side walls. Additionally, it includes techniques for performing electromigration tests directly on the deposited metal layer using spaced elongated electrical contacts.
The second patent, "Circuit and method for pulsed reliability testing," involves a test circuit designed to apply bipolar current pulses to a device under test (DUT). This invention includes a first DC current source and a second DC current source, along with switches that control the flow of current through the DUT. The timing generator selectively manages the conduction of the switches, allowing for precise control over the pulse repetition rate and duty cycle of the current pulses.
Career Highlights
Yongbum Cuevas is currently employed at Qualitau, Inc., where he continues to develop innovative solutions in semiconductor testing. His work has been instrumental in enhancing the reliability of electronic devices, making significant impacts in the industry.
Collaborations
Throughout his career, Yongbum has collaborated with notable colleagues, including Robert M Sikora and Gedaliahoo Kreiger. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Yongbum Cuevas is a distinguished inventor whose contributions to semiconductor technology have paved the way for advancements in the field. His patents reflect a commitment to improving the reliability and efficiency of electronic devices. His work continues to influence the industry positively.