ULVAC-PHI (アルバック・ファイ株式会社) is a designer, manufacturer, and supplier of ultra-high vacuum (UHV) surface analysis instruments. Its products include x-ray photoelectron spectroscopy (XPS) microprobes, secondary ion mass spectrometers, scanning auger electron spectroscopy (AES) nanoprobes, etc. The company serves semiconductors, pharmaceuticals, magnetic media, biomedical, materials research, and other applications.