Location History:
- Tonbridge, GB (2003 - 2009)
- Kent, GB (2010)
Company Filing History:
Years Active: 2003-2010
Title: The Innovations of Hazel Deborah Schofield
Introduction
Hazel Deborah Schofield is a prominent inventor based in Tonbridge, GB. She has made significant contributions to the field of semiconductor technology, holding a total of nine patents. Her work has been instrumental in advancing the efficiency and functionality of semiconductor devices.
Latest Patents
One of her latest patents is titled "Contact pad structure for flip chip semiconductor die." This invention features a flip chip Schottky die that includes three contact bumps extending from the top surface for electrical connections with a board. The first and second bumps serve as cathode contacts, while the third bump acts as an anode contact, designed for a 0.5 ampere device. Each bump is substantially rectangular at its base, with the possibility of a curved or arched top surface on a square die. Additionally, she has developed a contact bump useful in a flip chip device, such as a MOSFET or diode, capable of handling a current of 1.0 amperes. This bump includes a solder body of PbSn or a lead-free solder body comprising SnAgCu, with a height of approximately 120 micrometers.
Another notable patent is for "Semiconductor device packages with substrates for redistributing semiconductor device electrodes." This invention encompasses a semiconductor device package that includes a substrate with one or more pads, along with at least one semiconductor device that has its electrodes electrically connected to the substrate pads. The package also features terminals in electrical connection with the substrate pads, allowing for external connections to the device.
Career Highlights
Hazel works at International Rectifier Corporation, where she has been able to apply her innovative ideas and technical expertise. Her contributions have significantly impacted the semiconductor industry, enhancing the performance and reliability of various devices.
Collaborations
Throughout her career, Hazel has collaborated with notable colleagues, including Martin Standing and Norman Glyn Connah. These partnerships have fostered a creative environment that has led to groundbreaking advancements in semiconductor technology.
Conclusion
Hazel Deborah Schofield's work exemplifies the spirit of innovation in the semiconductor field. Her patents and contributions continue to influence the industry, showcasing her dedication to advancing technology.