This inventor holds 3 USPTO granted patents. Top assignee: Ocg Microelectronic Materials, Inc.. Active years: 1993-1994.
Company Filing History:
Years Active: 1993-1994
Title: Innovations by Charles E. Ebersole
Introduction
Charles E. Ebersole is a notable inventor based in Cheshire, CT (US). He has made significant contributions to the field of microelectronics, particularly through his innovative patents. With a total of 3 patents, Ebersole has focused on developing advanced materials for photoresist applications.
Latest Patents
Ebersole's latest patents include groundbreaking work on radiation-sensitive compositions containing novolak polymers. One of his notable inventions is a radiation-sensitive composition dissolved in a solvent, which comprises positive photoresists made from novolak resin derived from 2,3-dimethyl phenol. Additionally, he has developed improved photoresist compositions that exhibit high resolution and thermal resistance, utilizing specific novolak polymers and diazoquinone photosensitizers. The useful novolak polymers are formed from phenolic mixtures, including 2,3,5-trimethyl phenol and/or 2,3-dimethyl phenol, along with optional amounts of 2,6-dimethyl phenol, o-cresol, and p-cresol.
Career Highlights
Ebersole is currently associated with OCG Microelectronic Materials, Inc., where he continues to innovate in the field of microelectronics. His work has been instrumental in advancing the capabilities of photoresist materials, which are crucial for semiconductor manufacturing.
Conclusion
Charles E. Ebersole's contributions to the field of microelectronics through his patents highlight his role as a significant inventor. His innovative approaches to photoresist compositions demonstrate the impact of his work on the industry.