| 摘要 |
<p>The invention relates to a method for performing a function or an operation involving a material and/or a device, in particular a non-gaseous material such as a biological material or an electronic material sunjected to an operation as a scientific investigation, a medical test or a handling during production, under a gaseous atmosphere in an inner chamber. The invention provides a new principle for avoiding contamination by gaseous materials, airborne particles and other contamination to an inner space, such as a workbench or working chamber, from an adjacent surrounding space such as the ambient atmosphere, or emigration of materials such as hazardous medical material, toxic substances or other pollution to the adjacent surrounding space from the inner space. A workbench is obtained fulfilling all the strictest requirements to a clean working chamber.</p> |
