DE2518960C2 - Verfahren zur Herstellung eines lichtabsorbierenden Rahmens um den Bildschirm einer Farbbildröhre - Google Patents
Verfahren zur Herstellung eines lichtabsorbierenden Rahmens um den Bildschirm einer FarbbildröhreInfo
- Publication number
- DE2518960C2 DE2518960C2 DE19752518960 DE2518960A DE2518960C2 DE 2518960 C2 DE2518960 C2 DE 2518960C2 DE 19752518960 DE19752518960 DE 19752518960 DE 2518960 A DE2518960 A DE 2518960A DE 2518960 C2 DE2518960 C2 DE 2518960C2
- Authority
- DE
- Germany
- Prior art keywords
- light
- screen
- layer
- front glass
- absorbing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000011521 glass Substances 0.000 claims description 25
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- 239000000049 pigment Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- JOSWYUNQBRPBDN-UHFFFAOYSA-P ammonium dichromate Chemical compound [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O JOSWYUNQBRPBDN-UHFFFAOYSA-P 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910017356 Fe2C Inorganic materials 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- H01J29/24—Supports for luminescent material
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/04—Chromates
-
- 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
- H01J29/28—Luminescent screens with protective, conductive or reflective layers
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7406378A NL7406378A (nl) | 1974-05-13 | 1974-05-13 | Werkwijze voor het vervaardigen van een scha- duwmaskerbuis voor het weergeven van gekleurde beelden en buis vervaardigd volgens deze werk- wijze. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2518960A1 DE2518960A1 (de) | 1975-12-04 |
| DE2518960C2 true DE2518960C2 (de) | 1986-09-04 |
Family
ID=19821337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752518960 Expired DE2518960C2 (de) | 1974-05-13 | 1975-04-29 | Verfahren zur Herstellung eines lichtabsorbierenden Rahmens um den Bildschirm einer Farbbildröhre |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1032595A (enExample) |
| DE (1) | DE2518960C2 (enExample) |
| FR (1) | FR2271658B1 (enExample) |
| GB (1) | GB1485550A (enExample) |
| NL (1) | NL7406378A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8304178A (nl) * | 1983-12-06 | 1985-07-01 | Philips Nv | Kleurenbeeldbuis en weergeefinrichting voorzien van een dergelijke beeldbuis. |
| NL8304180A (nl) * | 1983-12-06 | 1985-07-01 | Philips Nv | Beeldbuis en beeldweergeefinrichting voorzien van een dergelijke beeldbuis. |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2378875A (en) * | 1942-03-30 | 1945-06-19 | Philco Radio & Television Corp | Cathode ray television tube |
| US3679451A (en) * | 1970-02-13 | 1972-07-25 | Marks Polarized Corp | Nonglare coating for surfaces of tv tubes and the like and such coated surfaces |
| GB1331677A (en) * | 1971-06-18 | 1973-09-26 | Westinghouse Electric Corp | Colour television tubes |
-
1974
- 1974-05-13 NL NL7406378A patent/NL7406378A/xx not_active Application Discontinuation
-
1975
- 1975-04-29 DE DE19752518960 patent/DE2518960C2/de not_active Expired
- 1975-05-02 CA CA226,186A patent/CA1032595A/en not_active Expired
- 1975-05-09 GB GB1963075A patent/GB1485550A/en not_active Expired
- 1975-05-13 FR FR7514815A patent/FR2271658B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2518960A1 (de) | 1975-12-04 |
| FR2271658B1 (enExample) | 1979-06-08 |
| GB1485550A (en) | 1977-09-14 |
| NL7406378A (nl) | 1975-11-17 |
| CA1032595A (en) | 1978-06-06 |
| FR2271658A1 (enExample) | 1975-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8128 | New person/name/address of the agent |
Representative=s name: PIEGLER, H., DIPL.-CHEM., 2000 HAMBURG |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |