Company Filing History:
6 out of 72 
1 out of 2,943 
Years Active: 2014-2022
Title: Elizabeth Wolfer: Innovator in Semiconductor Materials
Introduction
Elizabeth Wolfer is a prominent inventor based in Bethlehem, PA (US). She has made significant contributions to the field of semiconductor materials, holding a total of 7 patents. Her work focuses on developing innovative compositions that enhance the performance and stability of electronic devices.
Latest Patents
Among her latest patents is a composition of spin-on materials containing metal oxide nanoparticles and an organic polymer. This coating composition includes a solvent, metal oxide nanoparticles dispersed in this solvent, and a high carbon polymer dissolved in this solvent. The high carbon polymer features a repeat unit of structure (1), a hydroxybiphenyl repeat unit of structure (2), and a moiety containing a fused aromatic structure of structure (3), where R and R' are independently selected from the group of hydrogen, an alkyl, and a substituted alkyl. Additionally, Ar is an unsubstituted or substituted fused aromatic ring, and X is an alkylene spacer or a direct valence bond.
Another notable patent is for a metal hardmask composition and processes for forming fine patterns on semiconductor substrates. This invention relates to a novel composition with improved stability, containing a soluble, multi-ligand-substituted metal compound, a polyol compound, and a solvent. This composition is useful for filling material on photoresist patterns, providing good trench or via filling properties of microlithographic features. The filled patterns exhibit excellent plasma etch resistance in oxygen-based plasmas and serve as a hard mask in forming fine patterns on semiconductor substrates.
Career Highlights
Elizabeth has worked with several notable companies, including Az Electronic Materials (Luxembourg) S.a.r.l. and Merck Patent GmbH. Her experience in these organizations has allowed her to refine her expertise in semiconductor materials and contribute to advancements in the field.
Collaborations
Throughout her career, Elizabeth has collaborated with talented individuals such as Huirong Yao and Salem K. Mullen. These partnerships have fostered innovation and have been instrumental in her research and development efforts.
Conclusion
Elizabeth Wolfer is a distinguished inventor whose work in semiconductor materials has led to significant advancements in the industry. Her innovative patents and collaborations highlight her commitment to enhancing electronic device performance.