Cathode-ray tube provided with a luminescent indium orthoborate

Details Cathode-ray tube provided with a luminescent indium orthoborate Cathode-ray tube provided with a luminescent indium orthoborate

C - Chemistry, Metallurgy

09

K

313/35.154

C09K 11/68 (2006.01) C09K 11/77 (2006.01) H01J 1/63 (2006.01) H01J 29/20 (2006.01)

Patent

CA 1250885

ABSTRACT: A cathode-ray tube provided with a luminescent screen (2, 3) comprising a luminescent indium orthoborate activated by trivalent chromium. The tube yields an efficient emission in the near infrared part of the spectrum. If the borate further comprises Eu as an activator, an efficient Eu3+ emission is obtained in addition to the Cr emission.

501078

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