NL190825C - Shade mask for a color cathode ray tube. - Google Patents

Shade mask for a color cathode ray tube.

Info

Publication number
NL190825C
NL190825C NL8902852A NL8902852A NL190825C NL 190825 C NL190825 C NL 190825C NL 8902852 A NL8902852 A NL 8902852A NL 8902852 A NL8902852 A NL 8902852A NL 190825 C NL190825 C NL 190825C
Authority
NL
Netherlands
Prior art keywords
ray tube
cathode ray
color cathode
shade mask
shade
Prior art date
Application number
NL8902852A
Other languages
Dutch (nl)
Other versions
NL190825B (en
NL8902852A (en
Original Assignee
Samsung Electronic Devices
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronic Devices filed Critical Samsung Electronic Devices
Publication of NL8902852A publication Critical patent/NL8902852A/en
Publication of NL190825B publication Critical patent/NL190825B/en
Application granted granted Critical
Publication of NL190825C publication Critical patent/NL190825C/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • H01J9/227—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
    • H01J9/2271—Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines by photographic processes
    • H01J9/2272—Devices for carrying out the processes, e.g. light houses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H01J29/076—Shadow masks for colour television tubes characterised by the shape or distribution of beam-passing apertures

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
NL8902852A 1988-11-26 1989-11-20 Shade mask for a color cathode ray tube. NL190825C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR880019155 1988-11-26
KR880019155 1988-11-26

Publications (3)

Publication Number Publication Date
NL8902852A NL8902852A (en) 1990-06-18
NL190825B NL190825B (en) 1994-04-05
NL190825C true NL190825C (en) 1994-09-01

Family

ID=19281610

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8902852A NL190825C (en) 1988-11-26 1989-11-20 Shade mask for a color cathode ray tube.

Country Status (2)

Country Link
GB (1) GB2226695B (en)
NL (1) NL190825C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0487106B1 (en) * 1990-11-22 1997-07-02 Kabushiki Kaisha Toshiba Shadow mask for color cathode ray tube

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2947899A (en) * 1958-01-23 1960-08-02 Zenith Radio Corp Color image reproducers
US4109177A (en) * 1971-07-22 1978-08-22 Rca Corporation Cathode-ray tube having apertured mask
JPS5129635B2 (en) * 1971-09-21 1976-08-26
US3834905A (en) * 1973-05-23 1974-09-10 Rca Corp Method of making elliptically or rectangularly graded photoprinting masters
US4296189A (en) * 1979-05-24 1981-10-20 Rca Corporation Color picture tube having improved slit type shadow mask and method of making same
FR2589002B1 (en) * 1985-10-22 1994-09-23 Videocolor COLOR TELEVISION TUBE OF THE MASK TYPE AND MANUFACTURING METHOD THEREOF
US4745329A (en) * 1986-06-17 1988-05-17 Zenith Electronics Corporation Front assembly for an ultra-high resolution color cathode ray tube having an improved shadow mask compensated for diffraction and process therefor
GB8708574D0 (en) * 1987-04-10 1987-05-13 Philips Nv Colour cathode ray tube

Also Published As

Publication number Publication date
NL190825B (en) 1994-04-05
GB8926462D0 (en) 1990-01-10
GB2226695B (en) 1993-06-16
GB2226695A (en) 1990-07-04
NL8902852A (en) 1990-06-18

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 20030601