This inventor holds 1 USPTO granted patent. Top assignee: Sonobond Ultrasonics. Active years: 1985.
Company Filing History:
Years Active: 1985
Title: Innovations of Charles Irwin in Ultrasonic Cleaning Technology.
Introduction
Charles Irwin is an accomplished inventor based in Santa Ana, California. He is known for his significant contributions to ultrasonic cleaning technology. With a focus on enhancing cleaning applications, Irwin has developed innovative solutions that cater to the semiconductor industry.
Latest Patents
Irwin holds a patent for an ultrasonic cleaning apparatus. This invention involves an ultrasonic transducer apparatus designed for cleaning applications, particularly for wafers of semiconductor material. The method includes positioning the wafer close to the cleansing face of the ultrasonic transducer. It supplies cleansing fluid through an orifice in the cleansing surface while ultrasonically vibrating the cleansing face. This process is achieved by applying an electrical signal to piezoelectric material symmetrically disposed around the orifice. The piezoelectric material is structured as a series of discreet elements that are mechanically coupled to the cleansing face, allowing for efficient ultrasonic vibration.
Career Highlights
Irwin is currently associated with Sonobond Ultrasonics, a company that specializes in ultrasonic technology. His work has significantly impacted the field of semiconductor cleaning, providing effective solutions that enhance the efficiency of cleaning processes.
Collaborations
Throughout his career, Irwin has collaborated with notable colleagues, including Janet Devine and Richard Kramer. These partnerships have contributed to the advancement of ultrasonic technology and its applications.
Conclusion
Charles Irwin's innovative work in ultrasonic cleaning technology has made a lasting impact on the semiconductor industry. His patent for an ultrasonic cleaning apparatus showcases his commitment to improving cleaning methods and efficiency.