Overview
Coated Zinc-Aluminum Alloy Target is a specialized material used in physical vapor deposition (PVD) processes, particularly magnetron sputtering. These targets are manufactured by carefully controlling the ratio of zinc to aluminum, typically ranging from 50:50 to 90:10, to achieve specific coating properties. The alloy combines zinc's excellent corrosion resistance with aluminum's durability and conductivity. In industrial applications, these targets are bonded to backing plates (usually copper) for thermal management during the high-energy sputtering process. The quality of the target significantly impacts the deposited film's uniformity, adhesion, and performance characteristics, making material purity and manufacturing precision critical factors.
Physical and Chemical Properties
The physical properties of Zinc-Aluminum alloy targets vary with composition but generally exhibit density between 5-6 g/cm³, falling between pure zinc (7.14 g/cm³) and aluminum (2.70 g/cm³). The alloy's melting point decreases with higher zinc content, ranging from 380°C for zinc-rich compositions to 660°C for aluminum-rich ones. Chemically, the alloy offers superior corrosion resistance compared to pure metals due to synergistic effects. It maintains good electrical conductivity (approximately 15-25% IACS) while providing better mechanical stability than pure zinc targets during high-power sputtering. The surface typically develops a thin oxide layer that must be properly conditioned before deposition processes.
Main Applications
The primary application of Zinc-Aluminum alloy targets is depositing protective coatings in the automotive industry, where they provide corrosion resistance for structural components. In electronics manufacturing, they're used for EMI shielding layers and conductive coatings on flexible circuits. Optical applications include anti-reflective coatings and transparent conductive oxides when reactively sputtered. The construction sector utilizes these coatings for weather-resistant architectural glass. Recent developments explore their use in zinc-air batteries and solar cell components, leveraging the alloy's balanced electrochemical properties.
Safety and Storage
While solid targets pose minimal risk, the primary safety concern involves airborne particles generated during machining or target conditioning. Facilities should implement proper dust collection systems and require operators to wear NIOSH-approved particulate respirators when handling powdered byproducts. For storage, targets should be kept in vacuum-sealed packaging with desiccant to prevent oxidation. Maintain inventory in a dry, temperature-controlled environment (15-25°C recommended). Unused targets should remain sealed until installation in the sputtering system to preserve surface quality and prevent contamination that could affect film properties.
B2B Procurement Guide
When procuring Zinc-Aluminum alloy targets, clearly specify the required composition ratio (e.g., Zn70Al30), typically expressed in weight percentage. Purity requirements should match application needs - 99.9% for general industrial use, 99.99% or higher for electronics applications. Consider the target bonding method (soldered, clamped, or epoxy-bonded) based on your power requirements and thermal management capabilities. Request certified material test reports for composition verification. Lead times can vary from 2-8 weeks depending on customization needs, so plan purchases accordingly. For consistent quality, establish relationships with manufacturers who use vacuum melting and precision machining processes.
Related Manufacturers
- 主营：锌铝合金、高温镍基合金、哈市合金、蒙乃尔合金
- 主营：硼化锆、氟化镁、氟化镱、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、硒化锌、镍靶材、钨靶材、铑靶材、铒靶材、铪靶材、锑靶材、砷化镓、硒化锑、碲化镉、碲粉末
- 主营：溅射靶材、合金靶材、特殊合金、高纯材料、试样加工
- 主营：合金靶材、陶瓷靶材、金属靶材、高纯合金靶材、铜靶材、银靶材、铝靶材、锂靶材、高纯银靶材、镍铜合金靶材、铬靶材、锆靶材、氧化铟镓锌靶材、铱靶材、铂靶材、硫酸钠靶材、二氧化硅靶材、氧化镁靶材、钛铌合金靶材、钼钽合金靶材、碲化锑靶材、单质金属靶、溅射靶
- 主营：溅射靶材、高熵合金、科研合金、高纯金属
- 主营：合金管、镉颗粒、银颗粒、镀膜材料、金颗粒、焊接铟球、氧化铝粉、实验材料、钽铌合金、石墨颗粒、蒸发材料、1-3mm碲颗粒、3-6mm锗颗粒、1-6mm硒颗粒、1-5mm钼颗粒、1-10mm锡颗粒、钨钼合金棒、氧化铋颗粒、1-10mm铋颗粒、1-15mm铁颗粒、1-10mm钒颗粒、1-10mm钴颗粒、1-10mm镁颗粒、高纯镍颗粒、1-10mm铬颗粒
- 主营：科研实验、高纯颗粒、真空熔炼、合金靶材、镀膜材料、拉伸试样件
- 主营：感应熔炼、4822、中间合金、合金靶材、铝合金、钛铝、实验钢、熔炼钛铝、高温合金、钴铬钼、铝铌、高熵合金、TNM、悬浮熔炼、难熔合金、镍钛、钛合金、镁合金、铜合金、镍合金、钴合金、铌合金、锆合金、高纯铝、镍基合金
- 主营：铝靶材、铜靶材、铬靶材、二氧化硅靶材、氧化镍靶材、氧化镁靶材、氧化镓靶材、氧化铟靶材、氧化锌靶材、硅靶材、钛靶材、铁靶材、二氧化钛靶材、四氧化三铁靶材、三氧化二铁靶材、锌靶材、锆靶材、钼靶材、氮化铝靶材、氮化硅靶材、硫化锌靶材、二氧化锆靶材、锑化铟靶材、PTFE靶材
- 主营：陶瓷材料、真空包装、温差材料、钒靶材、铝靶材、铬靶材、钛靶材、陶瓷靶材、镀膜材料、镍锆靶材、镍钽靶材、氧化铒靶材、镍酸镨靶材、氧化钇靶材、硒化锗靶材、铌酸锂靶材、铝酸镁靶材、氧化钽靶材、氧化锑靶材、镀膜蒸发料、碳化硅靶材、锆酸铅靶材、钛酸铅靶材、钒酸锶靶材、木塔新材料
- 主营：陶瓷靶材、真空镀膜、磁控溅射靶材、金属靶材、合金靶材、导电薄膜、高纯材料