train EMI pics
Overview:

Changes in DC magnetic field levels near an electron microscope or e-beam lithography tool degrade image quality and inhibit production. A change in DC fields often results in image distortion, a blurred image, or image drift. Common sources of change in DC fields are variation in the Earth’s magnetic field and the movement ……

Mechanical Pumps (Original)
Discussion:

Reducing Vibration from Mechanical Equipment in an Electron Microscopy Lab : Laboratories are with vibrating equipments that causes disturbances on electron microscope images. These sources include chillers, vacuum pumps, transformers, etc.. At VEC, this is a problem that we commonly see in our clients’ laboratories.……

Vibration Testing, Vibration Survey
Overview

Site surveys are a critical requirement whenever purchasing new tools or moving into a new laboratory or clean room. Site surveys both help determine if your space meets manufacturer specifications and if additional preparatory work is required. This could be the replacement of an old air handler.adding sound proofing material to walls, or installing vibration ……