- Functions:Precursor
- Applicable Processes:Semiconductor Manufacturing
- Features:High Purity
- Synonyms:Ethyl Orthosilicate, Ethyl Silicate, Tetraethoxysilane, Tetraethyl Silicate
SEMICOSIL® TEOS 999-LB is an ultra-high-purity tetraethoxysilane (TEOS) known for its exceptional chemical purity, very good trace metal purity, and very good purity in terms of boron and chloride. This product has been specifically developed for the semiconductor industry and finds typical applications as a precursor for low-dielectric constant interlayer dielectrics and other related uses.