JPS554821A - Preparation of color picture tube - Google Patents
Preparation of color picture tubeInfo
- Publication number
- JPS554821A JPS554821A JP7700378A JP7700378A JPS554821A JP S554821 A JPS554821 A JP S554821A JP 7700378 A JP7700378 A JP 7700378A JP 7700378 A JP7700378 A JP 7700378A JP S554821 A JPS554821 A JP S554821A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- solution
- luminous
- exfoliating
- polymer film
- 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.)
- Pending
Links
Landscapes
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Abstract
PURPOSE: To form an excellent black hole, by separately exfoliating a photosensitive polymer film and a non-luminous photo-absorbing film coated on the photosensitive portion by using each another fixed solution as exfoliating agents for exfoliating said both films.
CONSTITUTION: As a solution for removing or swelling a photosensitive polymer film that is not sensitized, yet, at least one kind among a group of hydrochloric acid, nitric acid, sulfuric acid, hypochlorous acid, sulfamic acid, oxalic acid aqueous ammonia, a caustic soda solution and hydrogen peroxide water are used. As a solution that swells non-luminous absorbing matter coated on a photosensitive portion of the photosensitive polymer film, water of hydrogen peroxide is employed. These films are each exfoliated separately. Such treatment does not damage the non-luminous absorbing film directly applied on an inner surface of a face plate, and can form an excellent black hole.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7700378A JPS554821A (en) | 1978-06-27 | 1978-06-27 | Preparation of color picture tube |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7700378A JPS554821A (en) | 1978-06-27 | 1978-06-27 | Preparation of color picture tube |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS554821A true JPS554821A (en) | 1980-01-14 |
Family
ID=13621584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7700378A Pending JPS554821A (en) | 1978-06-27 | 1978-06-27 | Preparation of color picture tube |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS554821A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10569442B2 (en) | 2017-09-21 | 2020-02-25 | Disco Corporation | Cutting blade mounting mechanism |
US10974364B2 (en) | 2017-09-21 | 2021-04-13 | Disco Corporation | Cutting blade mounting mechanism |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5291369A (en) * | 1976-01-27 | 1977-08-01 | Sony Corp | Formation of light absorption region in color crt |
-
1978
- 1978-06-27 JP JP7700378A patent/JPS554821A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5291369A (en) * | 1976-01-27 | 1977-08-01 | Sony Corp | Formation of light absorption region in color crt |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10569442B2 (en) | 2017-09-21 | 2020-02-25 | Disco Corporation | Cutting blade mounting mechanism |
US10974364B2 (en) | 2017-09-21 | 2021-04-13 | Disco Corporation | Cutting blade mounting mechanism |
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