Company Filing History:
Years Active: 1993-1995
Title: Innovations of John K. Frei: A Pioneer in Semiconductor Technologies
Introduction
John K. Frei, an accomplished inventor based in Mesa, AZ, has made significant contributions to the field of semiconductor technologies. With a total of seven patents to his name, he has been instrumental in innovating methods that enhance circuit board functionality and semiconductor chip carriers.
Latest Patents
Among his latest patents is the invention related to a circuit board having stepped vias. This innovative circuit board design incorporates large holes in a specific pattern in two insulating sheets, along with smaller holes in another insulating sheet. This configuration allows for the creation of an integral substrate via precise alignment and pressurization of the sheets, followed by metallization from both sides.
Another notable patent by John K. Frei is for a method of forming a semiconductor chip carrier, designed to enable flip-chip mounting of semiconductor dies to printed wiring boards. This carrier features a bottom pad constellation compatible with the layout rules of the printed wiring board, facilitating effective bonding through stepped vias and conductive bumps made from an alloy of gold and platinum family metals.
Career Highlights
John K. Frei has been a valuable asset to Motorola Corporation, where he applies his expertise in engineering and design. His innovative designs and dedication to advancing technology have garnered attention within the semiconductor industry.
Collaborations
Throughout his career, John has worked closely with his colleagues Howard D. Knuth and Kenneth Brice-Heames. Together, they have collaborated on various projects, pushing the boundaries of technology and contributing greatly to the field.
Conclusion
John K. Frei's work continues to have a lasting impact on semiconductor technology and circuit board design. His patents reflect a deep understanding of engineering principles and innovation. As he advances in his career, the innovations stemming from his research at Motorola Corporation will undoubtedly shape the future of electronics and technology.