Description General description Characteristics of Parylen AF4 coating: Specialties: • Unmatched UV stability • Excellent thermal stability at high service temperature (350) • Unmatched oxidation stability • Completely conformal coating • Superior crevice penetration, pin hole free • Anti-saline damage • Anti-stick ion Barrier properties: • Chemical insolubility and solvent resistant • Low water absorption • Hydrophobic properties • Low gas permeability , no out-gassing Physical & mechanical properties: • Transparent • Light-weight and ultra-thin • Low CTE • Low coefficient of friction • Good dry lubricity • Abrasion resistance • Stabilization of components and structures • Particulate immobilization Electrical properties: • Electrical insulation • High dielectric strength • High volume resistivity ,ohm-cm • Low dissipation factor • Low dielectric constant • Mitigation of tin whisker growth Biocompatibility and bio-stability • USP class VI • Microorganism resistance Application Parylen AF4 is extremely useful in high temperature applications and those in which long-term UV stability is required. • Aerospace • Military • Electronic • Medical • Industrial • Semiconductor (3D IC TSV electrical insulation , AMOLED De-bonding layer , Barrier layer ) • Bio-MEMS electrode protection film • EWD (Electro Wetting Device) Liquid lens Packaging 1 g in glass bottle