... traces of the disproportionation products silicon and quartz. APPLICATIONOptical SiO coatings are used for optical applications in reflectors, flood lamps, ... mirrors, jewelry, and other products. SiO coatings can reduce reflection in the near infrared range or act ... for use with ZnS and other materials for reflective coatings.Electronic SiO films are used in thin-film capacitors, ...