Cleanroom-compatible control cabinet
Very often it is necessary to install control cabinets or boxes directly in the cleanroom or in process machines. Therefore these cabinets or boxes must have a number of properties that enable them to be used in the cleanroom. In addition to a...
Thinking error 20: A machine or assembly tested for cleanliness has air cleanliness class ISO 5
What cleanroom class does the machine have? You know this question. How is it possible to describe a machine, system, component, material or surface with an air cleanliness class? It cannot be explained logically. But why do people argue this way?
Thought error 19: Parts or machine cleaning with a cleaner from the supermarket next door
Cleaning agents that are capable of removing particles and filmic contamination to clean individual parts, assemblies and machines for cleanroom applications and clean areas cannot be avoided.
Thinking error 18: Standards and guidelines reflect the state of the art
It is generally recognised that standards and guidelines should reflect the state of the art. But should this be accepted without restriction? In my thinking error no. 4, I address this issue in a short sentence, but the problems are more profound....
Thinking error 17: People think in terms of ‘rooms’ and not in technological solutions
For many people, cleanroom technology is something mystical and mysterious that they don't necessarily want to deal with directly. Many people are also uncomfortable dealing with this topic. This creates a lack of understanding for what is now a...
Thinking error: 16: 1; 10; 100; …. 100.000 (US-Federal-Standard 209E)
Official notification of the withdrawal of the standard: ‘Federal Standard 209E is withdrawn with effect from 29 November 2001 and replaced by the International Organisation for Standardisation (ISO) standard.’
Clean or pure rooms as a guarantee of technical cleanliness
The term ‘technical cleanliness’ has its origins in the continuously increasing demands placed on manufacturing conditions in the automotive industry. When it comes to particle cleanliness, the mostly medium-sized suppliers can no longer rely solely...
A comparison of cleanroom and cleanroom cabins: Hardwall und Softwall
The design and planning of a cleanroom depends first and foremost on the requirements placed on it. In some cases, a cleanroom is sufficient, but particularly in the technology, research and pharmaceutical sectors, as well as in the food industry,...