Overview
Sputtering molybdenum targets are high-purity metal discs or rectangles used in physical vapor deposition (PVD) systems for thin film coating applications. These targets come in standard round (commonly 2-12 inches diameter) and square/rectangular configurations to fit various sputtering equipment. Molybdenum's high melting point and low thermal expansion make it ideal for demanding deposition processes. The global market for molybdenum sputtering targets has grown significantly with the expansion of the semiconductor and display industries. Manufacturers produce these targets through powder metallurgy or vacuum melting processes, achieving purities up to 99.999% for advanced electronic applications.
Physical and Chemical Properties
Molybdenum sputtering targets exhibit exceptional thermal stability, with a melting point exceeding 2600°C - among the highest of all engineering metals. The material maintains excellent mechanical strength at elevated temperatures, preventing deformation during high-power sputtering processes. Its crystalline structure provides consistent sputtering rates and film uniformity. Chemically, molybdenum demonstrates remarkable corrosion resistance to many acids and molten metals, though it oxidizes at temperatures above 400°C in air. Modern targets feature controlled grain sizes (typically 10-50μm) and orientation to optimize sputtering performance. The density approaches theoretical maximums (>99.5% of theoretical) to minimize porosity-related defects in deposited films.
Main Applications
In semiconductor manufacturing, molybdenum targets deposit diffusion barriers and adhesion layers in advanced interconnect architectures. The material's compatibility with copper interconnects makes it valuable for 3D NAND and logic devices. Display producers use Mo targets for thin-film transistor (TFT) electrodes in LCD and OLED panels. Beyond electronics, these targets coat architectural glass for energy-efficient low-E windows and produce reflective layers for solar thermal applications. Emerging uses include wear-resistant coatings for aerospace components and decorative finishes for consumer products. The automotive sector employs molybdenum films for smart glass and sensor applications.
Safety and Storage
While solid molybdenum targets pose minimal health risks, machining operations generate dust that requires proper ventilation and PPE. Facilities should implement dust collection systems and prohibit open flames near machining areas. The material's high density requires careful handling to prevent workplace injuries. For storage, keep targets in original vacuum packaging until use to prevent surface oxidation. Store in dry environments with stable temperatures to avoid condensation. Bonded targets (molybdenum joined to copper backing plates) require particular care to prevent delamination from thermal cycling or mechanical stress during handling.
B2B Procurement Guide
Industrial buyers should specify target purity (99.95% for general applications, 99.995%+ for semiconductors), dimensions, and surface roughness (typically <1μm Ra). Verify third-party certification for composition and impurity levels, particularly for oxygen, carbon, and metallic contaminants. Consider the bonding method for backed targets - indium bonding suits low-temperature applications while high-temperature brazing withstands more aggressive sputtering conditions. Lead times for custom sizes can range from 4-12 weeks. For ongoing supply, establish quality agreements covering lot traceability, packaging standards, and performance warranties.
Related Manufacturers
- 主营：钨钼钽铌锆、离子注入件、真空炉加热室、靶材、坩埚、加热带、隔热屏、螺丝螺母、紧固件、钼电极杆、加工件、钨钼异型件、炉胆配件、颗粒、钨绞丝、钨舟、镍带、钼镧合金、钨铜合金、钨镍铁、钨镍铜、高比重合金
- 主营：溅射靶材、合金靶材、特殊合金、高纯材料、试样加工
- 主营：氧化铋、高纯碲块、金属铟锭、铋靶材、液态金属、金属铟、金属锗、二氧化碲、真空镀膜、铋粉、碲化铋棒材、低熔点合金、碲粒、铟粒、铋珠铋粒、镓铟锡合金、锗粉、铟丝、铟片铟箔、三氧化二铋、碲化铋、铟珠铟粒、低熔点焊料、铋锭
- 主营：高纯钨钼、钨镍铁 钨镍铜、热处理工装料架、钨靶材、真空炉组件、玻璃窑炉钼电极、钨钼锆钛坩埚、钨钼电极棒、钼顶头、钨钼流口、钨钼钽铌锆钛各类加工件、钼加热带隔热屏、钨丝钼丝、热电偶保护管、TZM合金、钼加热丝、钨网发热体、钼镧合金管、镧钨合金
- 主营：氧化铝陶瓷、氧化锆陶瓷、工业陶瓷、溅射靶材、钛靶材、镍靶材、ITO靶材、99氧化铝陶瓷、蒸发材料、镀膜材料、耐高温陶瓷、铝塑膜、坩埚、陶瓷板、铝型材、绝缘陶瓷、铜背板、包装膜、防静电陶瓷、石墨坩埚、陶瓷垫圈、陶瓷零件、可加工陶瓷、微晶玻璃陶瓷
- 主营：钛板、ta10钛板、ta4gr4钛板、钛靶材、钛弯头、钛封头、钛法兰、钛环、钛管板、钛无缝管、钛箔、钛焊管、钛棒、钛丝、钛网、钛螺丝、钛盘管、钛换热器、钛种板、tc4钛板、tc4钛管、钛带、钛复合板、锆板、锆棒
- 主营：铬靶、合金熔炼、轧制、镍铬合金靶材、镍钒合金靶材、镍铜合金靶材、二硼化钛靶材、钛硅合金靶材、钛铝合金靶材、钛靶材、钴铬镍合金靶材、石墨靶材、铜合金靶材、镍合金靶材、铬合金靶材、锻造、锰铜阻尼合金、M2052、熔炼加工服务、钨镍铁合金、高熵合金、铝合金熔炼、镍合金熔炼、铜合金熔炼、钴铬钼合金
- 主营：钽板、钽管、钽棒、钽靶材、铌靶材、钒靶材、钽丝、铌板、铌管、铌棒、钽加工件、铌丝、铌加工件、钒板、钒棒、钒丝、钽坩埚、钽接地环、钽保护管、钽箔、铌坩埚、铌箔、钒箔、钽异形件
- 主营：硼化锆、氟化镁、硒化锌、fto靶材、钐靶材、硒靶材、铝靶材、钆靶材、铽靶材、钇靶材、钼靶材、铬靶材、镉靶材、钽靶材、镍靶材、钨靶材、铑靶材、铒靶材、铪靶材、锑靶材、氟化镱、砷化镓、硒化锑、碲化镉、碲粉末
- 主营：高纯度黄金靶材、高温线、加热带、贵金属
- 主营：靶材、溅射镀膜材料、颗粒、粉末、光学材料
- 主营：耐磨涂层、陶瓷喷涂、喷涂碳化钨、金属靶材、耐磨合金刀片、防腐纳米涂层
- 主营：纯铂丝、铂片、铂金坩埚、铂扁丝、铂管、铂网、铂铱丝、铂铱合金棒、铱丝、铑丝、铂铑丝、铱铑丝、纯镍丝、康铜丝、锰铜丝、镍铬丝、电炉丝、电阻带、镍铝丝、铝锶合金、铝硅合金、铝钛合金、铝锆合金、铜磷合金、铜铬合金
- 主营：钽靶材、高温镍基合金、哈市合金、蒙乃尔合金
- 主营：溅射靶材、高温镍基合金