(19)
(11) EP 1 067 573 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.12.2001 Bulletin 2001/51

(43) Date of publication A2:
10.01.2001 Bulletin 2001/02

(21) Application number: 00114519.2

(22) Date of filing: 06.07.2000
(51) International Patent Classification (IPC)7: H01J 9/227, H01J 29/18
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 09.07.1999 JP 19563699

(71) Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Kadoma-shi, Osaka (JP)

(72) Inventors:
  • Yamaguchi, Akihiro, Room 106
    Takatsuki-shi, Osaka 569-0041 (JP)
  • Deguchi, Hiroshi
    Suita-shi, Osaka 565-0861 (JP)

(74) Representative: Schwarzensteiner, Marie-Luise et al
Grape & Schwarzensteiner Patentanwälte Sebastiansplatz 7
80331 München
80331 München (DE)

   


(54) Method for producing a cathode-ray tube


(57) In order to form a screen layer having less color fogging and coating unevenness in the course of production of a cathode-ray tube, a panel inner surface having a carbon layer (6) formed thereon is precoated with a solution of a nonionic surfactant (e.g., polyoxyethylene sorbitan fatty acid ester), and a phosphor layer (3) is formed on the panel inner surface (2).






Search report