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2. X-ray optics - Wikipedia

   en.wikipedia.org/wiki/X-ray_optics

   X-ray optics. X-ray optics is the branch of optics that manipulates X-rays instead of visible light. It deals with focusing and other ways of manipulating the X-ray beams for research techniques such as X-ray diffraction, X-ray crystallography, X-ray fluorescence, small-angle X-ray scattering, X-ray microscopy, X-ray phase-contrast imaging, and ...

3. X-ray lithography - Wikipedia

   en.wikipedia.org/wiki/X-ray_lithography

   X-ray lithography is a process used in semiconductor device fabrication industry to selectively remove parts of a thin film of photoresist. It uses X-rays to transfer a geometric pattern from a mask to a light-sensitive chemical photoresist , or simply "resist," on the substrate to reach extremely small topological size of a feature.

4. iPhone X - Wikipedia

   en.wikipedia.org/wiki/IPhone_X

   The iPhone X ( Roman numeral "X" pronounced "ten" [ 13]) is a smartphone designed, developed and marketed by Apple. It is part of the 11th generation of the iPhone. Available for pre-order from October 27, 2017, it was released on November 3, 2017. The naming of the iPhone X (skipping the iPhone 9 and 9s) marked the 10th anniversary of the iPhone.

5. X-ray image intensifier - Wikipedia

   en.wikipedia.org/wiki/X-ray_image_intensifier

   An X-ray image intensifier (XRII) is an image intensifier that converts X-rays into visible light at higher intensity than the more traditional fluorescent screens can. Such intensifiers are used in X-ray imaging systems (such as fluoroscopes ) to allow low-intensity X-rays to be converted to a conveniently bright visible light output.

6. Ray J - Wikipedia

   en.wikipedia.org/wiki/Ray_J

   Ray J secured product placements through celebrities such as Sean Combs and Brandy and professional athletic teams, including the L.A. Clippers. [33] [34] Raycon Inc. In November 2017, Ray J co-founded a direct-to-consumer electronics brand called Raycon. Raycon sells wireless audio products such as earbuds and headphones. [35]

7. X-ray emission spectroscopy - Wikipedia

   en.wikipedia.org/wiki/X-ray_emission_spectroscopy

   X-ray emission spectroscopy. X-ray emission spectroscopy ( XES) is a form of X-ray spectroscopy in which a core electron is excited by an incident x-ray photon and then this excited state decays by emitting an x-ray photon to fill the core hole. The energy of the emitted photon is the energy difference between the involved electronic levels.