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  2. Relay - Wikipedia

    en.wikipedia.org/wiki/Relay

    A relay Electromechanical relay principle Electromechanical relay schematic showing a control coil, four pairs of normally open and one pair of normally closed contacts An automotive-style miniature relay with the dust cover taken off. A relay is an electrically operated switch. It consists of a set of input terminals for a single or multiple ...

  3. Extragalactic background light - Wikipedia

    en.wikipedia.org/wiki/Extragalactic_background_light

    The EBL is part of the diffuse extragalactic background radiation (DEBRA), which by definition covers the entire electromagnetic spectrum. After the cosmic microwave background, the EBL produces the second-most energetic diffuse background, thus being essential for understanding the full energy balance of the universe.

  4. ANSI device numbers - Wikipedia

    en.wikipedia.org/wiki/ANSI_device_numbers

    The "G" suffix can also mean "generator", hence an "87G" is a Generator Differential Protective Relay while an "87T" is a Transformer Differential Protective Relay. "F" can denote "field" on a generator or "fuse", as in the protective fuse for a pickup transformer.

  5. DIN 72552 - Wikipedia

    en.wikipedia.org/wiki/DIN_72552

    from 2nd battery and 12/24 V relay: 31 return to battery- or direct to ground 31a return to battery- 12/24 V relay 31b return to battery- or ground through switch 85d 31c return to battery- 12/24 V relay 31, 31a Electric motors; 32 return 31 33 main terminal (swap of 32 and 33 is possible) 30 33a limit 33b field 54e 33f 2. slow rpm: 33g 3. slow ...

  6. Lift-off (microtechnology) - Wikipedia

    en.wikipedia.org/wiki/Lift-off_(microtechnology)

    Depending on the resist various methods can be used, such as Extreme ultraviolet lithography - EUVL or Electron beam lithography - EBL. The photoresist is removed in the areas, where the target material is to be located, creating an inverse pattern.) Target material (usually a thin metal layer) is deposited (on the whole surface of the wafer).

  7. Electron-beam lithography - Wikipedia

    en.wikipedia.org/wiki/Electron-beam_lithography

    An example of Electron beam lithograph setup. Electron-beam lithography (often abbreviated as e-beam lithography or EBL) is the practice of scanning a focused beam of electrons to draw custom shapes on a surface covered with an electron-sensitive film called a resist (exposing). [1]

  8. Chrissy Teigen Is Unrecognizable in Laser Face Mask as She ...

    www.aol.com/chrissy-teigen-unrecognizable-laser...

    "I mean, I feel hydrated, my skin sucked it up, I guess it's a good thing. We'll see tomorrow, I don't know," she added. Read the original article on People. Show comments. Advertisement.

  9. Relay (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Relay_(disambiguation)

    Relay (satellite) Broadcast relay station, a transmitter which repeats or transponds the signal of another; Microwave radio relay; Relay channel, in information theory, a communications probability modeling system; Telecommunications Relay Service, a telephone accessibility service for the deaf