Overview
Elemental targets are essential components in physical vapor deposition (PVD) technologies, where they are bombarded with ions to eject atoms that form thin films on substrates. These targets are fabricated from high-purity single elements, such as copper, titanium, or silicon, to ensure minimal impurities in the deposited films. The choice of material depends on the desired film properties, such as conductivity, reflectivity, or chemical resistance. Targets are typically bonded to a backing plate (e.g., copper) for thermal management during sputtering. In B2B contexts, suppliers often customize targets by size, shape, and bonding technique to fit specific deposition systems. The global market for elemental targets is driven by demand from the electronics and renewable energy sectors, where precision and repeatability are critical.
Physical and Chemical Properties
Elemental targets exhibit properties identical to their base elements but are engineered for optimal performance in PVD processes. For instance, gold targets retain high electrical conductivity (~4.5×10⁷ S/m) and corrosion resistance, while silicon targets provide semiconductor-grade purity. Density and grain size are tightly controlled; finer grains reduce arcing during sputtering. Thermal conductivity is another critical parameter, as overheating can cause cracking or delamination. Chemical inertness varies by element: noble metals (e.g., platinum) resist oxidation, whereas reactive metals (e.g., magnesium) require inert handling. Manufacturers often provide certificates of analysis (CoA) detailing trace impurities (e.g., oxygen <50 ppm) that could affect film quality.
Main Applications
The semiconductor industry consumes ~40% of elemental targets, using materials like tungsten for interconnects and tantalum for diffusion barriers. In display manufacturing, indium tin oxide (ITO) targets deposit transparent conductive layers for touchscreens. Solar panels rely on aluminum or molybdenum targets for back electrodes, while optical coatings use silver or dielectric materials for mirrors and anti-reflective layers. Emerging applications include flexible electronics (e.g., copper targets for printed circuits) and medical devices (e.g., titanium targets for implant coatings). Each sector demands specific purity levels; for example, semiconductor fabs often require 99.999% (5N) purity, whereas less critical applications may use 99.9% (3N).
Safety and Storage
Handling elemental targets requires precautions to preserve purity and prevent injury. Reactive metals (e.g., sodium) must be stored under oil or inert gas, while brittle materials (e.g., germanium) need careful packaging to avoid chipping. Workers should use nitrile gloves to minimize surface contamination from oils or salts. Storage conditions depend on the element: moisture-sensitive targets (e.g., magnesium) are vacuum-sealed with desiccants, whereas stable metals (e.g., gold) can be stored in cleanroom environments. Fire hazards exist for pyrophoric materials like zirconium, necessitating Class D extinguishers. Suppliers typically provide material safety data sheets (MSDS) with handling guidelines.
B2B Procurement Guide
When sourcing elemental targets, prioritize suppliers with ISO 9001 certification and a track record in your industry. Key considerations include: (1) Purity—verify via third-party assay if critical; (2) Density—≥95% theoretical density to avoid particle ejection; (3) Bonding quality—solder voids can cause overheating. Request samples for performance testing in your deposition system. Lead times vary; common materials (e.g., aluminum) may be stocked, while rare metals (e.g., rhodium) require custom production. Pricing depends on market volatility—precious metal targets often include a commodity surcharge. Negotiate bulk discounts for recurring orders, but ensure consistent quality through batch documentation.
Related Manufacturers
- 主营：[]
- 主营：圆钢棒、圆锻件、钢板材、锂靶材、钽靶材、合金靶材、光棒车、研磨棒、复合板、挡渣板、钢棒材、圆棒材、圆棒料、无缝管、精密管、螺丝钉、合金板、时效钢、合金棒料、不锈钢板、膨胀合金、电热合金、六角螺母、热轧钢板、六角螺栓
- 主营：溅射靶材、合金靶材、特殊合金、高纯材料、试样加工
- 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：镀膜材料、磁控溅射、稀土金属、陶瓷靶材、实验靶材、溅射靶材、合金靶材、靶材定制、靶材、稀土材料、半导体材料、高纯材料
- 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：高温蒸发镀膜机、磁控溅射仪、真空镀膜机、单质金属靶材、等离子清洗机、高低温真空探针台、智能气体混合器、湿度控制器、气敏测试腔、真空探针台、石英管封口机、真空泵
- 主营：金颗粒、银颗粒、铬颗粒、溅射靶材、电镜靶材、金靶材、AZO靶材、钒靶材、台阶靶材、合金靶材、常规金属靶材、晶振片、单晶硅片、中间合金、合金熔炼、棒材、箔片、键合金丝、坩埚、镍块、金属箔片、蒸发耗材
- 主营：人造沙滩、天然彩砂、烧结彩砂、硅靶材、环氧地坪砂、金属硅颗粒、沙画用烧结沙、染色彩砂真石漆
- 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、单质金属靶、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、溅射靶
- 主营：7n5锑棒、高纯铟、7n8n镉棒、钛靶材、高纯碲块、氧化铟、7n5砷棒、氧化镓、氧化铋、氧化物、高纯铝、高纯磷、锑化铟、氧化锑、碲化铋、催化剂、镀膜材料、碲锌镉、金属铜、氧化钪、红外材料、二氧化锗、高纯碲丸、二氧化硅、高纯碲锭、金属颗粒
- 主营：锑靶材、铪靶材、铒靶材、镧靶材、铑靶材、钨靶材、镍靶材、钽靶材、镉靶材、铬靶材、钼靶材、钇靶材、铽靶材、钆靶材、铝靶材、硒靶材、硼靶材、钐靶材、ATO靶材、硒化锑、氟化镱、氟化镁
- 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：镍粉、镍基合金粉末、钴粉、钴基合金粉末、钼粉、铬粉、钨粉、锡粉、各种材质合金粉末、钛粉、锡粒、铁基合金粉末、铜粉、碳化钨合金粉末、锰粉、锰片、耐磨焊条、耐磨焊丝、不锈钢焊条、不锈钢焊丝、镍基焊条、镍基焊丝、银焊丝、模具焊丝、铜焊丝
- 主营：半导体材料、钛锆铪钒钼、钛锆钽钼铌、溅射靶材定制、溅射靶材、钛锆靶材、靶材、钛锆铪钒钽、钛锆钒钽、锆钛铪铌钼、钛合金粉、镍钛合金、高纯碳化钛粉、高熵合金、铑片Rh、纳米材料、合金粉末、高温合金粉末、铁铝合金粉末、钼合金粉末、T2纯铜金属粉末、锰铜合金粉末、EuFe铕铁合金粉末、锆合金粉末、高熵合金粉末
- 主营：保护镜片、石英玻璃片、红外激光切割机