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...so used in the production of electric lamps, vacuum tubes, and cathode ray tubes (CRTs), semiconductor processing, and vacuum engineering.

...year = 2002|doi = 10.1021/es010517q|title = Recycling of Scrap Cathode Ray Tubes|first = Ching-Hwa|last = Lee|pmid = 11811492|last2 = Hsi|first2 = CS}}</ref ...that function normally carried out by zinc. The discovery was made using X-ray absorption fluorescence spectroscopy (XAFS), and cadmium was characterized

On older vectorscopes implemented with [[cathode ray tube]]s (CRTs), the graticule was often implemented as a silk-screened over

...ramson|1995|p=13}}</ref> In 1899 [[Jonathan Zenneck]] equipped the cathode ray tube with beam-forming plates and used a magnetic field for sweeping the tr Early cathode ray tubes had been applied experimentally to laboratory measurements as early as 1919

== Cathode-ray oscilloscope (CRO) == The earliest and simplest type of oscilloscope consisted of a [[cathode ray tube]], a vertical [[amplifier]], a timebase, a horizontal amplifier and a

...oltage measurements,for example, the high voltage in a television[[cathode ray tube|CRT]] power supply, or for a microwave oven [[magentron]] power supply ...ate electronics]] a very few active probes were built using small [[vacuum tubes]] as the amplifiers.

...:CRT oscilloscope.png|thumb|Illustration showing the interior of a cathode-ray tube for use in an oscilloscope. Numbers in the picture indicate: 1. Deflec Originally all oscilloscopes used [[cathode ray tube]]s as their display element and linear amplifiers for signal processin