The type segmentation of the Gas For Deposition market distinguishes five primary categories: precursor gases, carrier gases, dopant gases, reactive gases, and inert gases. Precursor gases, such as silane or metal‑organic compounds, constitute the largest revenue share because they directly supply the material deposited on substrates, driving demand across semiconductor and photovoltaic processes. Carrier gases (e.g., nitrogen, argon) facilitate uniform transport of precursors and account for a moderate portion of market volume, reflecting their essential role in process stability. Dopant gases, used to modify electrical properties, contribute a niche yet high‑margin segment, particularly in advanced node semiconductor fabrication. Reactive gases, including oxygen or ammonia, enable surface conditioning and etching steps, supporting a steady demand in thin‑film and coating applications. Inert gases, primarily employed for purge and safety functions, represent the smallest share but are indispensable for maintaining contamination‑free environments. Collectively, these types shape the overall market size by aligning with technology roadmaps and cost structures across end‑use industries.