This inventor holds 1 USPTO granted patent. Top assignee: Epir, Inc.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Issac L Chang: Innovator in Semiconductor Technology
Introduction
Issac L Chang is a notable inventor based in Naperville, IL (US). He has made significant contributions to the field of semiconductor technology, particularly in the area of optical mapping at cryogenic temperatures. His innovative approach has the potential to enhance the efficiency and accuracy of semiconductor wafer analysis.
Latest Patents
Issac L Chang holds a patent titled "System and method for optical mapping of semiconductor wafers at cryogenic temperatures under transmission geometry." This patent describes a method for performing scans on semiconductor wafers using a system that includes linear one-dimensional motion of the scan head and rotational motion of the scanned wafer. The wafer is placed in a vacuum cryogenic enclosure, equipped with an infrared window that allows for the detection of transmitted and reflected radiation from probing beams. The scanning process utilizes infrared transmittance and reflectance measurements of a probe beam focused on a specific point on the wafer, which is energized by a pulsed laser. This innovative method represents a significant advancement in semiconductor wafer analysis.
Career Highlights
Throughout his career, Issac L Chang has demonstrated a commitment to advancing semiconductor technology. His work at Epir, Inc. has positioned him as a key player in the industry. With a focus on developing cutting-edge solutions, he continues to push the boundaries of what is possible in semiconductor analysis.
Collaborations
Issac has collaborated with talented individuals such as Silviu Velicu and Sushant Sonde. These partnerships have fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
Issac L Chang is a pioneering inventor whose work in semiconductor technology has the potential to revolutionize the industry. His patent on optical mapping at cryogenic temperatures showcases his innovative spirit and dedication to advancing technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile