(19)

(11)

EP 0 738 421 A1

(12)

(43) Date of publication: 23.10.1996 Bulletin 1996/43 (21) Application number: 95900313.0 (22) Date of filing: 04.11.1994

(51) International Patent Classification (IPC):  H01J 9/ 26( . ) H01J 17/ 16( . ) G09F 9/ 313( . ) H01J 17/ 18( . ) (86) International application number: PCT/KR1994/000156 (87) International publication number: WO 1996/014651 (17.05.1996 Gazette 1996/22)

(84) Designated Contracting States: AT CH DE ES FR GB IT LI NL (71) Applicants: ORION ELECTRIC CO., LTD. Kumi-shi, Kyungsangbuk-do 730-030 (KR) SPC Plasma Co. Ryazan, 390023 (RU)

(72) Inventors: LEE, Chun, Woo Gumi-shi Kyungsangbuk-do 730-100 (KR) KWON, Hyuk, Chae Daegu 706-021 (KR) SAMORODOV, Vladislav Georguevich Ryazan 390023 (RU) POKRYVAILO, Anatoli Borisovich Ryazan, 390006 (RU) NIKOLAEBICH, Zhuravlev Stanislab Ryazan, 390006 (RU) MIHAILOVICH, Sokolov Vladimir Ryazan, 390037 (RU) GRUGOREBNA, Starynina Tachyana Ryazan, 390048 (RU) (74) Representative: Schmidt, Horst, Dr.  H. Schmidt & B. Müller, Postfach 44 01 20 80750 München 80750 München (DE)