Company Filing History:
Years Active: 1976
Title: The Innovative Contributions of Lawrence D. Mason in Semiconductor Technology
Introduction: Lawrence D. Mason, based in Phoenix, AZ, is an accomplished inventor with a strong focus on advancements in semiconductor technology. With a total of two patents to his name, his work has significantly contributed to the capabilities and efficiency of semiconductor crystal production.
Latest Patents: Mason's latest patents reflect his dedication to innovation in the field. The first patent, titled "Automatic Crystal Diameter Control for Growth of Semiconductor Crystals," introduces an apparatus that employs stationary optical means to control the diameter of a crystal throughout the Czochralski crystal pulling method. This method utilizes a feedback loop equipped with diameter sensing means that dynamically adjusts the speed at which the crystal is pulled based on its diameter. By employing closely adjacent photocells that sense radiation at the solid-liquid interface, the system generates difference signal voltages to either increase or decrease the pull rate, ensuring precision in maintaining the desired diameter until the final specifications are achieved.
The second patent, "Automated Electrical Resistivity Measuring Apparatus for Semiconductor," describes a sophisticated measuring station designed to execute precise electrical resistivity measurements on semiconductor crystals. The system integrates an automatically operated probe apparatus connected to a remotely controlled power supply and an electronic computer, allowing for automated measurements across consecutive increments along a single crystal length.
Career Highlights: Lawrence D. Mason has established himself as a significant figure at Motorola Corporation, where he applies his expertise in semiconductor technologies. His innovative patents have reinforced the company’s position in the highly competitive tech industry, illustrating his important role in advancing semiconductor manufacturing processes.
Collaborations: Throughout his career, Mason has collaborated with notable colleagues, including Donald R. Clement and Carl A. Helber. These partnerships have likely enhanced the breadth and impact of his research, fostering an environment of shared innovation and discovery within the field.
Conclusion: Lawrence D. Mason's contributions to semiconductor technology through his patents and collaborations highlight his innovative spirit and technical expertise. His work not only embodies the essence of invention but also drives the continuous advancement of the semiconductor industry, proving that innovation remains a key element in shaping the future of technology.