PVD Vacuum Coating
What is PVD Vacuum Coating? PVD (Physical Vapor Deposition) is the world's most advanced surface treatment technology. In a high-vacuum environment (≤10⁻² Pa), we use low-voltage, high-current arc discharge to ionize target materials — titanium, chromium, zirconium, aluminum — and deposit them atom by atom onto your precision metal parts. The result? A coating that is thinner than a human hair (0.04–0.1μm) yet harder than most tool steels (2000–5000HV). At HY-HK, we don't just use PVD — we own the patented core technology behind it, including custom-built PVD equipment and proprietary process parameters that no trading company can match.
Technical Principle
How It Works — 3 Steps, Atom by Atom:
① Vaporization: Target material (Ti, Cr, Zr, Al) is heated or bombarded by high-energy ions in a vacuum chamber, converting it into gaseous atoms.
② Ionization & Transport: Gas atoms are ionized by plasma and accelerated toward the workpiece by an electric field. Ion bombardment simultaneously cleans the surface — ensuring superior adhesion.
③ Deposition: Ionized atoms condense on the workpiece surface, forming a dense, uniform, ultra-hard thin film. Thickness is controlled to ±0.01μm precision via real-time optical monitoring.