Company Filing History:
Years Active: 2016-2021
Title: The Innovations of Andrew J Copperhall
Introduction
Andrew J Copperhall is a notable inventor based in Redwood City, CA (US). He has made significant contributions to the field of microelectronics, particularly in the design and testing of integrated circuits. With a total of 3 patents to his name, Copperhall's work has had a substantial impact on the industry.
Latest Patents
Copperhall's latest patents include innovative designs that enhance the functionality and reliability of micro LED-based display panels. One of his patents focuses on a test-response comparison circuit and scan data transfer scheme in a Design-for-Test (DFT) architecture. This invention describes methods for testing an array of chips, which may be identical, using a comparison circuit that includes multiple comparators. These comparators compare scan-data out (SDO) data streams with an expected data stream, transmitting a compared data stream that indicates whether an error exists in any of the SDO data streams.
Another significant patent is a hardware-assisted scheme for testing integrated circuit (IC) memories using scan circuitry. This invention involves an IC that includes a memory and a chain of serially-coupled scan elements. These elements enable the inputting of test vectors and include write and read address registers, along with control flops that facilitate the testing process during both launch and capture cycles.
Career Highlights
Copperhall is currently employed at Apple Inc., where he continues to innovate and contribute to cutting-edge technology. His work at Apple has allowed him to be at the forefront of advancements in microelectronics and display technologies.
Collaborations
Throughout his career, Copperhall has collaborated with talented individuals such as Bo Yang and Bibo Li. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies.
Conclusion
Andrew J Copperhall's contributions to the field of microelectronics are noteworthy, with his patents reflecting a commitment to advancing technology. His work at Apple Inc. and collaborations with other professionals highlight his role as a key innovator in the industry.