IT1010922B - REFLECTIVE DEVICE AND MANUFACTURING METHOD OF THE SAME - Google Patents

REFLECTIVE DEVICE AND MANUFACTURING METHOD OF THE SAME

Info

Publication number
IT1010922B
IT1010922B IT42667/74A IT4266774A IT1010922B IT 1010922 B IT1010922 B IT 1010922B IT 42667/74 A IT42667/74 A IT 42667/74A IT 4266774 A IT4266774 A IT 4266774A IT 1010922 B IT1010922 B IT 1010922B
Authority
IT
Italy
Prior art keywords
manufacturing
same
reflective device
reflective
Prior art date
Application number
IT42667/74A
Other languages
Italian (it)
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of IT1010922B publication Critical patent/IT1010922B/en

Links

Classifications

    • 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
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/30—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines
    • H01J29/32—Luminescent screens with luminescent material discontinuously arranged, e.g. in dots, in lines with adjacent dots or lines of different luminescent material, e.g. for colour television
    • H01J29/327—Black matrix materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • 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
    • H01J9/2273—Auxiliary lenses and filters
    • 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
    • H01J9/2278—Application of light absorbing material, e.g. between the luminescent areas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
IT42667/74A 1973-05-02 1974-04-05 REFLECTIVE DEVICE AND MANUFACTURING METHOD OF THE SAME IT1010922B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US356454A US3893750A (en) 1973-05-02 1973-05-02 Cathode-ray tube screening correction lens with a non-solarizing material

Publications (1)

Publication Number Publication Date
IT1010922B true IT1010922B (en) 1977-01-20

Family

ID=23401481

Family Applications (1)

Application Number Title Priority Date Filing Date
IT42667/74A IT1010922B (en) 1973-05-02 1974-04-05 REFLECTIVE DEVICE AND MANUFACTURING METHOD OF THE SAME

Country Status (12)

Country Link
US (1) US3893750A (en)
JP (1) JPS5016549A (en)
AU (1) AU475196B2 (en)
BE (1) BE814360A (en)
BR (1) BR7403501D0 (en)
CA (1) CA1016377A (en)
DE (1) DE2421255B2 (en)
FR (1) FR2228229B1 (en)
GB (1) GB1472926A (en)
IT (1) IT1010922B (en)
NL (1) NL7405487A (en)
SU (1) SU592343A3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52140343U (en) * 1976-04-17 1977-10-24
JPS52143847A (en) * 1976-05-26 1977-11-30 Mitsubishi Electric Corp Optical lens
US4235503A (en) * 1978-05-08 1980-11-25 Condon Chris J Film projection lens system for 3-D movies
IT1115189B (en) * 1978-05-30 1986-02-03 Rca Corp FRESNEL LENS
JPS5649501U (en) * 1979-09-25 1981-05-01
JPS59180502A (en) * 1983-03-30 1984-10-13 Toshiba Electric Equip Corp Light control body
JPS59180506A (en) * 1983-03-30 1984-10-13 Toshiba Electric Equip Corp Light control body
US4650275A (en) * 1983-06-15 1987-03-17 Jones Neal K Thin plastic corrector lenses for optical systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279340A (en) * 1964-03-19 1966-10-18 Rca Corp Art of making color-phosphor mosaic screens
US3486825A (en) * 1965-05-10 1969-12-30 Bradford Howland Optical test equipment and methods for making and using same

Also Published As

Publication number Publication date
BR7403501D0 (en) 1974-11-19
GB1472926A (en) 1977-05-11
JPS5016549A (en) 1975-02-21
AU475196B2 (en) 1976-08-12
SU592343A3 (en) 1978-02-05
CA1016377A (en) 1977-08-30
US3893750A (en) 1975-07-08
FR2228229B1 (en) 1977-06-24
NL7405487A (en) 1974-11-05
BE814360A (en) 1974-08-16
FR2228229A1 (en) 1974-11-29
DE2421255B2 (en) 1979-06-21
AU6845874A (en) 1975-11-06
DE2421255A1 (en) 1974-11-14

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