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, Hwan-Chul Patents |
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Inventor: N., Hwan-Chul
Address: Seoul, KR
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5121027 |
Oxide-coated cathode for CRT and manufacturing method thereof |
June 9, 1992 |
| This invention relates to an oxide-coated cathode for CRT and a manufacturing method thereof, where Scandium (Sc) or Scandium Oxide (Sc.sub.2 O.sub.3) is vaporized and ionized into a gas state under the oxygen existing environment, and is accelerated onto the surface of a base of Ni |
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