vacuum leak detector - определение. Что такое vacuum leak detector
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Что (кто) такое vacuum leak detector - определение

Helium leak detector; Helium leak detection

Grid-leak detector         
  • A grid leak resistor and capacitor unit from 1926. The 2 megohm cartridge resistor is replaceable so the user can try different values.  The parallel capacitor is built into the holder.
  • A TRF receiver using a grid leak detector (V1)
A grid leak detector is an electronic circuit that demodulates an amplitude modulated alternating current and amplifies the recovered modulating voltage. The circuit utilizes the non-linear cathode to control grid conduction characteristic and the amplification factor of a vacuum tube.
Music leak         
  • Copy Control logo, used on some CDs from 2001 to 2006
UNAUTHORIZED LEAK OF MUSIC ONLINE
Album leak
A music leak is an unauthorized release of music over the internet. Songs or albums may leak days or months before their scheduled release date.
Everhart–Thornley detector         
  • Disassembled Everhard-Thornley detector from (Philips XL30), showing (from left) the +300V grid and tube, transparent cylindrical light guide, golden clamping nut, and the internal assembly with scintillator disc (+10 kV) on the top. A common photomultiplier would be on the rear side of light guide and is not shown.
The Everhart–Thornley detector (E–T detector or ET detector) is a secondary electron and back-scattered electron detector used in scanning electron microscopes (SEMs). It is named after its designers, Thomas E.

Википедия

Helium mass spectrometer

A helium mass spectrometer is an instrument commonly used to detect and locate small leaks. It was initially developed in the Manhattan Project during World War II to find extremely small leaks in the gas diffusion process of uranium enrichment plants. It typically uses a vacuum chamber in which a sealed container filled with helium is placed. Helium leaks out of the container, and the rate of the leak is detected by a mass spectrometer.