As the golden autumn approaches, the global optoelectronics industry gears up for a grand gathering – the 25th China International Optoelectronics Exposition (CIOE 2024). Scheduled to take place f...
Many people may see gas ballast in the instructions of some oil sealed vacuum pumps. For example, there may be two types of vacuum degree for rotary vane vacuum pumps: one is the value of gas balla...
Achieving and maintaining high vacuum or ultra-high vacuum (UHV) requires surfaces that are exceptionally clean and inert. Acid cleaning (or pickling) is a fundamental, specialized process applied ...
I. Mechanical pumps
The main function of the mechanical pump is to provide the necessary pre-stage vacuum for the start-up of the turbomolecular pump. Commonly used mechanical pumps include mainly ...
The scroll vacuum pump evolved from the scroll compressor. Its structural principle was first invented by the French engineer Cruex in 1905, but due to technological limitations at the time, it was...