Location History:
- Yorktown Heights, NY (US) (1977)
- Morgan Hill, CA (US) (1978 - 1980)
Company Filing History:
Years Active: 1977-1980
Title: Innovations of Robert D. Hempstead in Thin Film Technology
Introduction
Robert D. Hempstead, an esteemed inventor based in Morgan Hill, CA, has made significant contributions to the field of thin film technology with a remarkable portfolio of five patents. His innovative work primarily revolves around the development of advanced magnetic heads and transducers, crucial for improving data storage and retrieval in modern technology.
Latest Patents
Hempstead's latest patents showcase his expertise in thin film inductive heads. His first patent involves a "Thin Film Head Having Negative Magnetostriction," which utilizes a nickel-iron binary alloy or a nickel-iron-X ternary alloy. This design is characterized by negative magnetostriction, exhibiting a saturation magnetostriction coefficient within the range of -1.times.10.sup.-6 to -5.times.10.sup.-6, enhancing the performance of magnetic heads.
Another notable invention is the "Corrosion Resistant Thin Film Head Assembly and Method for Making." This patent presents a sophisticated slider element that features a thin film transducer. The transducer is strategically deposited onto the slider, which forms part of the flying air bearing surface interacting with magnetic media. The innovative approach involves etching the pole pieces and the gap of the transducer by utilizing a sputter etching process. Additionally, a protective layer of passivation material, such as chromium, is applied to guard against wear and corrosion, significantly extending the durability of the iron-nickel alloy pole tips.
Career Highlights
Hempstead's prolific career is highlighted by his work at the International Business Machines Corporation (IBM), where he has played a vital role in advancing technology in the computing sector. His dedication to research and development has positioned him as a notable figure in the realm of magnetic recording technologies.
Collaborations
Throughout his career, Hempstead has worked alongside distinguished colleagues, including Sol Krongelb and Erich P. Valstyn, fostering collaboration and innovation within their projects. Their combined expertise has contributed to the success of various patented inventions, emphasizing the importance of teamwork in technological advancements.
Conclusion
Robert D. Hempstead's inventive spirit and pioneering patents highlight his significant impact on thin film technology. With his notable work at IBM and collaborations with renowned colleagues, he continues to shape the future of data storage and retrieval technologies. His contributions not only advance the field but also inspire future innovations in the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.