99.99% Platinum Sputtering Target for PVD Coating, CAS 7440-06-4, ISO9001 SGS, Custom Size, Copper Backing, Semiconductor Optical Thin Film. High Purity Platinum: 99.99% (4N) purity ensures excellent film uniformity and superior corrosion resistance. Custom Dimensions: Available in custom diameter, thickness, and shape (round, rectangular, or special). ISO9001 Certified: Manufactured under strict ISO9001 quality management system with SGS test reports. Optional Copper Backing: Copper backing plate bonding service available for enhanced thermal conductivity. Versatile Applications: Ideal for semiconductor, optical, medical, and fuel cell thin film deposition. Fast Delivery: Factory direct pricing with fast delivery and professional export packaging. Professional Support: Professional product engineers and strict cost management ensure competitive pricing.