JPH02183935A - Manufacture of fluorescent screen black matrix film for color picture tube - Google Patents
Manufacture of fluorescent screen black matrix film for color picture tubeInfo
- Publication number
- JPH02183935A JPH02183935A JP434489A JP434489A JPH02183935A JP H02183935 A JPH02183935 A JP H02183935A JP 434489 A JP434489 A JP 434489A JP 434489 A JP434489 A JP 434489A JP H02183935 A JPH02183935 A JP H02183935A
- Authority
- JP
- Japan
- Prior art keywords
- photosensitive resin
- resin liquid
- glass panel
- air
- black matrix
- 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
- 239000011159 matrix material Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000011347 resin Substances 0.000 claims abstract description 50
- 229920005989 resin Polymers 0.000 claims abstract description 50
- 238000001035 drying Methods 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 239000011521 glass Substances 0.000 claims abstract description 31
- 239000000428 dust Substances 0.000 claims abstract description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 239000011358 absorbing material Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000519995 Stachys sylvatica Species 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- JOSWYUNQBRPBDN-UHFFFAOYSA-P ammonium dichromate Chemical compound [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O JOSWYUNQBRPBDN-UHFFFAOYSA-P 0.000 description 1
- 150000001540 azides Chemical class 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Landscapes
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はカラー受像管の蛍光面ブラックマトリクス膜の
製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for manufacturing a phosphor black matrix film for a color picture tube.
一般に、ブラックマトリクス型カラー受像管は、コント
ラストを向上させるため、緑、赤、青の各色蛍光体画素
の間を非発光吸光性物質、たとえば、黒鉛で埋めて蛍光
面を形成している。Generally, in a black matrix type color picture tube, in order to improve contrast, a phosphor screen is formed by filling spaces between green, red, and blue phosphor pixels with a non-light-emitting light-absorbing material, such as graphite.
この非発光吸光性物質で形成された膜をブラックマトリ
クス膜と言うが、この膜を形成する方法としては、次の
ようなものが知られている。A film formed of this non-light-emitting light-absorbing substance is called a black matrix film, and the following methods are known as methods for forming this film.
まず、ガラスパネル内面をフッ化水素、純水で洗浄した
のち、内面に、ポリビニルアルコールと重クロム酸アン
モニウムを組成とする感光性樹脂液、あるいはポリビニ
ルピロリドンとアジドを組成とする感光性樹脂液を塗布
し、ガラスパネルを高速回転させることにより感光性樹
脂液を均一に延ばす。First, the inner surface of the glass panel is cleaned with hydrogen fluoride and pure water, and then a photosensitive resin liquid containing polyvinyl alcohol and ammonium dichromate, or a photosensitive resin liquid containing polyvinylpyrrolidone and azide is applied to the inner surface. The photosensitive resin liquid is spread uniformly by coating and rotating the glass panel at high speed.
次に第５図、第６図に示すように、ガラスパネル１と対
向して配置された遠赤外線ヒータ３及びブロワ１８を有
するそれぞれの乾燥装置により感光性樹脂液２を乾燥さ
せる。Next, as shown in FIGS. 5 and 6, the photosensitive resin liquid 2 is dried by respective drying devices each having a far-infrared heater 3 and a blower 18, which are arranged opposite to the glass panel 1.
次に、ガラスパネル１内面から一定距離離れて配置され
たシャドウマスクを介し、紫外光により露光し、感光性
樹脂液２の一部を感光硬化させる。この時、感光硬化し
た硬化樹脂膜は後に、緑、赤、青の各色蛍光体画素が形
成される位置にあり、通常ガラスパネル１と光源の相対
位置を変えて３回の露光を行う。Next, a portion of the photosensitive resin liquid 2 is photocured by exposure to ultraviolet light through a shadow mask placed a certain distance from the inner surface of the glass panel 1 . At this time, the photosensitive cured resin film is in a position where green, red, and blue color phosphor pixels will be formed later, and exposure is usually performed three times by changing the relative position of the glass panel 1 and the light source.
次に、シャドウマスクをはずし、温水で現像処理すると
、感光硬化した硬化樹脂膜のみがパネル１内面に残る。Next, the shadow mask is removed and a development process is carried out with warm water, so that only the photosensitive and cured resin film remains on the inner surface of the panel 1.
次に、パネル内面１全面に黒鉛懸濁液を塗布。Next, apply graphite suspension to the entire inner surface of the panel.
乾燥して、黒鉛膜を形成した後、過酸化水素水に浸漬し
、感光硬化した硬化樹脂膜を膨潤させ、温水スプレーに
よりその上に被着した黒鉛膜とともに除去し、パネル内
１面にブラックマトリクス膜を形成する。After drying to form a graphite film, it is immersed in hydrogen peroxide solution to swell the photosensitive cured resin film, and is removed together with the graphite film deposited on top of it by hot water spray, leaving a black coating on one side of the panel. Form a matrix film.
次に、緑、赤、青の蛍光体画素をブラックマトリクスホ
ールのそれぞれの位置に形成し、アルミニウムの膜が平
滑になるようにフィルミング膜を塗布した後、真空蒸着
によりアルミニウムの膜を形成し、熱処理によりフィル
ミング膜を焼散させ、カラー受像管の蛍光面ブラックマ
トリクス膜が完成する。Next, green, red, and blue phosphor pixels are formed at each position of the black matrix hole, and a filming film is applied so that the aluminum film is smooth, and then an aluminum film is formed by vacuum evaporation. The filming film is burnt out by heat treatment, and the phosphor black matrix film of the color picture tube is completed.
しかしながら、上述した従来のカラー受像管の蛍光面ブ
ラックマトリクス膜の製造方法では、第５図に示すよう
に、ガラスパネル１内面に塗布された感光性樹脂液２を
遠赤外線ヒータ３で乾燥させる時、ヒータ３の発熱によ
りヒータ３とガラスパネル１の間に上昇気流２６が発生
し、ヒータ３下部に堆積した塵埃がガラスパネル１内面
の感光性樹脂液２に付着する。また、第６図に示すよう
に、ブロワ１８で乾燥させる時、ブロワ１８より吹き出
された空気の気流により周囲に堆積した塵埃が巻き込み
空気２７により巻き込まれ、ガラスパネル１内面の感光
性樹脂液２に付着する。However, in the above-described conventional method for manufacturing a phosphor black matrix film for a color picture tube, as shown in FIG. The heat generated by the heater 3 generates an upward air current 26 between the heater 3 and the glass panel 1, and the dust deposited at the bottom of the heater 3 adheres to the photosensitive resin liquid 2 on the inner surface of the glass panel 1. In addition, as shown in FIG. 6, when drying with the blower 18, the dust accumulated around the glass panel 18 is drawn in by the air current blown out by the blower 18, and is drawn in by the air 27, causing the photosensitive resin liquid 2 on the inner surface of the glass panel 1 to Attach to.
このように感光性樹脂液２に塵埃が付着すると、塵埃を
核に感光性樹脂液２が凝集し、部分的に膜厚が厚くなり
、シャドウマスクを介して露光した時、膜厚の厚くなっ
た部分の感度が上がり、硬化樹脂膜の面積が大きくなる
。以後、ブラックマトリクス膜を形成した際に感光性樹
脂液２に塵埃が付着した部分のブラックマトリクスホー
ルの形状、大きさがくずれ、ブラックマトリクス膜を全
体として見た場合、白点状の欠点を生じ、カラー受像管
として不良品となり、生産効率を低下させるという問題
点が生じていた。When dust adheres to the photosensitive resin liquid 2 in this way, the photosensitive resin liquid 2 aggregates with the dust as a core, and the film thickness becomes thicker in some areas.When exposed through a shadow mask, the film thickness becomes thicker. The sensitivity of the cured resin film increases and the area of the cured resin film increases. Thereafter, when the black matrix film was formed, the shape and size of the black matrix holes in the areas where dust adhered to the photosensitive resin liquid 2 were distorted, and when the black matrix film was viewed as a whole, defects in the form of white spots were produced. However, there was a problem in that the color picture tube was defective and production efficiency was reduced.
本発明の目的は、ブラックマトリクス膜に白点状の欠点
がなく、生産効率の高い、カラー受像管の蛍光面ブラッ
クマトリクス膜の製造方法を提供することにある。An object of the present invention is to provide a method for manufacturing a black matrix film for a phosphor screen of a color picture tube, which has no defects such as white spots in the black matrix film and has high production efficiency.
本発明は、ガラスパネル内面に形成された緑。 The present invention is a green color formed on the inner surface of a glass panel.
赤、青の３種類の蛍光体画素と該３種類の蛍光体画素の
間を非発光吸光性物質で埋めて蛍光面を形成する工程を
含むブラックマトリクス型カラー受像管の蛍光面ブラッ
クマトリクス膜の製造方法において、前記ガラスパネル
内面に感光性樹脂液を塗布し、前記ガラスパネル内面に
遠赤外線ヒータを対置させ前記感光性樹脂液を加熱乾燥
させる工程と、前記ガラスパネル内面にブロワを対置さ
せ前記感光性樹脂液を乾燥させる工程とを少なくとも含
み、かつ、内面に前記感光性樹脂液が塗布された前記ガ
ラスパネルを遮へい板で囲み、内部の空気をフィルタで
清浄化しながら循環させることにより、塵埃クラス１０
，０００〜１００の清浄空気内で前記感光性樹脂液を乾
燥させる。A phosphor screen black matrix film of a black matrix type color picture tube comprising three types of red and blue phosphor pixels and a step of filling the spaces between the three types of phosphor pixels with a non-light-emitting light-absorbing substance to form a phosphor screen. The manufacturing method includes the steps of applying a photosensitive resin liquid to the inner surface of the glass panel, placing a far-infrared heater opposite to the inner surface of the glass panel to heat and dry the photosensitive resin liquid, and placing a blower opposite to the inner surface of the glass panel to dry the photosensitive resin liquid. and a step of drying the photosensitive resin liquid, the glass panel whose inner surface is coated with the photosensitive resin liquid is surrounded by a shielding plate, and the air inside is circulated while being cleaned with a filter, thereby removing dust. class 10
,000 to 100 in clean air.
次に、本発明の実施例について図面を参照して説明する
。Next, embodiments of the present invention will be described with reference to the drawings.
第１図は本発明の第１の実施例の感光性樹脂液のヒータ
乾燥室の概略構成図、第２図は本発明の第１の実施例の
感光性樹脂液のブロワ乾燥室の概略構成図である。FIG. 1 is a schematic configuration diagram of a heater drying chamber for photosensitive resin liquid according to the first embodiment of the present invention, and FIG. 2 is a schematic configuration diagram of a blower drying chamber for photosensitive resin liquid according to the first embodiment of the present invention. It is a diagram.
第１の実施例は、まず、ガラスパネル内面に均一に塗布
した感光性樹脂液を回転振切によりガラスパネル内面に
均一に延ばしたのち、第１図に示すようなヒータ乾燥室
に入れる。ヒータ乾燥室では、まず、外部より取り入れ
る空気９をＨＥＰＡフィルタ６により清浄化し、ブロワ
４を通りＨＥＰＡフィルタ５により、さらに清浄化し、
ヒータ乾燥室に入れる。ヒータ乾燥室の空気は金属多孔
板７から吸込まれ、ブロワ４を通りＨＥＰＡフィルタ５
により清浄化し、ヒータ乾燥室に戻す。In the first embodiment, first, a photosensitive resin liquid is uniformly applied to the inner surface of a glass panel and is spread evenly over the inner surface of the glass panel by rotating shake-off, and then placed in a heater drying chamber as shown in FIG. In the heater drying room, air 9 taken in from the outside is first purified by a HEPA filter 6, passed through a blower 4, and further purified by a HEPA filter 5.
Place it in the heater drying room. Air in the heater drying chamber is sucked in through the metal porous plate 7, passes through the blower 4, and passes through the HEPA filter 5.
and return it to the heater drying room.
次に、内圧調整板１６を調整し、乾燥室内の気圧を陽圧
にすることにより、外部からの塵埃の進入を防ぐように
する。なおＨＥＰＡフィルタ５の精度は０．３μｍの塵
埃を９９．９７％捕捉する能力のあるものを使用する。Next, the internal pressure adjustment plate 16 is adjusted to make the air pressure inside the drying chamber positive, thereby preventing dust from entering from the outside. Note that the HEPA filter 5 used has the ability to capture 99.97% of dust with a diameter of 0.3 μm.
このようにして、ヒータ乾燥室内の塵埃クラスを１００
００〜１００に保ち、遠赤外線ヒータ３から発ぜられる
熱線によりガラスパネル１内面の感光性樹脂液２を乾燥
させる。この時、第５図に示すような従来方法でのヒー
タ３による上昇気流２６によるヒータ３下部に堆積した
塵埃の巻き上げは起こらないので、感光性樹脂液２には
塵埃は付着せず、均一な膜厚のまま乾燥させる。In this way, the dust class in the heater drying chamber can be reduced to 100.
00 to 100, and the photosensitive resin liquid 2 on the inner surface of the glass panel 1 is dried by the heat rays emitted from the far-infrared heater 3. At this time, the dust accumulated at the bottom of the heater 3 is not lifted up by the rising airflow 26 caused by the heater 3 in the conventional method as shown in FIG. Allow to dry while maintaining the film thickness.
その後、ヒータ乾燥を終えたパネル１を第２図に示すよ
うなブロワ乾燥室に入れる。ブロワ乾燥室では、まず、
外部より取り入れる空気９をＨＥＰＡフィルタ６により
清浄化し、ブロワ４を通りＨＥＰＡフィルタ５によりさ
らに清浄化し、ブロワ乾燥室に戻す。Thereafter, the panel 1 that has been dried by the heater is placed in a blower drying chamber as shown in FIG. In the blower drying room, first,
Air 9 taken in from the outside is purified by a HEPA filter 6, passed through a blower 4, further purified by a HEPA filter 5, and returned to the blower drying chamber.
次に、内圧調整板１６を調整し、乾燥室内の気圧を陽圧
にすることにより、外部からの塵埃の進入を防ぐように
する。なお、ＨＥＰＡフィルタの精度は０．３μｍの塵
埃を９９．９７％捕捉する能力のあるものを使用する。Next, the internal pressure adjustment plate 16 is adjusted to make the air pressure inside the drying chamber positive, thereby preventing dust from entering from the outside. Note that the precision of the HEPA filter used is one that has the ability to capture 99.97% of dust with a diameter of 0.3 μm.
このようにして、ブロワ乾燥室内の塵埃クラスを１０，
０００〜１００に保ち、外部より取り込まれる空気２０
をＨＥＰＡフィルタ１７により清浄化し、ブロワ１８を
通りＨＥＰＡフィルタ１９によりさらに清浄化し、ガラ
スパネル１内面に当て、感光性樹脂液２を感光させる。In this way, the dust class in the blower drying chamber can be reduced to 10,
000 to 100, air taken in from outside 20
is cleaned by a HEPA filter 17, passed through a blower 18, further cleaned by a HEPA filter 19, and applied to the inner surface of the glass panel 1 to expose the photosensitive resin liquid 2 to light.
この時、ブロワによる気流２１は周囲の空気を巻き込む
が、周囲の空気が清浄化されているので、塵埃を感光性
樹脂液２に付着することなく、感光性樹脂液２は均一な
膜厚のまま乾燥される。At this time, the air flow 21 generated by the blower draws in the surrounding air, but since the surrounding air is purified, no dust is attached to the photosensitive resin liquid 2, and the photosensitive resin liquid 2 has a uniform film thickness. It is left to dry.
このようにして、カラスパネル１内面に均一な膜厚の感
光性樹脂膜を形成した後、従来の方法と同様感光性樹脂
膜をシャドウマスクを介して紫外光にて露光し、現像、
黒鉛塗布、エツチングのプロセスを経て、ガラスパネル
１の内面に欠点のない良好なブラックマトリクス膜を形
成することがてきた。After forming a photosensitive resin film with a uniform thickness on the inner surface of the glass panel 1 in this way, the photosensitive resin film is exposed to ultraviolet light through a shadow mask, developed, and
Through the processes of graphite coating and etching, it has been possible to form a good black matrix film with no defects on the inner surface of the glass panel 1.
第３図は本発明の第２の実施例の感光性樹脂液のヒータ
乾燥室の概略構成図、第４図は本発明の第２の実施例の
感光性樹脂液のブロワ乾燥室の概略構成図である。FIG. 3 is a schematic configuration diagram of a heater drying chamber for photosensitive resin liquid according to the second embodiment of the present invention, and FIG. 4 is a schematic configuration diagram of a blower drying chamber for photosensitive resin liquid according to the second embodiment of the present invention. It is a diagram.
第２の実施例は、第３図及び第４図に示すように、ヒー
タ乾燥室とブロワ乾燥室をシリコンゴムによるシール２
４により乾燥室内を密閉状態にしたのち、ブロワ２５で
乾燥室内の空気を外部に排出することにより、乾燥室内
の気圧を陰圧にし、外部より取り込まれる空気２２をＨ
ＥＰＡフィルタ５により清浄化し、乾燥室内に入れる。In the second embodiment, as shown in FIGS. 3 and 4, the heater drying chamber and the blower drying chamber are sealed with silicone rubber.
After sealing the drying chamber in step 4, the blower 25 exhausts the air inside the drying chamber to the outside to make the air pressure inside the drying chamber negative, and the air 22 taken in from the outside becomes H
It is cleaned with an EPA filter 5 and placed in a drying chamber.
これによって、乾燥室内の空気を清浄に保ちながら感光
性樹脂液２を乾燥させることができる。Thereby, the photosensitive resin liquid 2 can be dried while keeping the air in the drying chamber clean.
第２の実施例では、乾燥室内の気圧を下げることにより
、感光性樹脂液２を早く乾燥させることがてきるという
利点がある。The second embodiment has the advantage that the photosensitive resin liquid 2 can be dried quickly by lowering the air pressure inside the drying chamber.
以−ト説明したように本発明は、内面に感光性樹脂液が
塗布されたガラスパネルを遮へい板で囲い、内部の空気
をフィルタで清浄化しながら循環させ、塵埃クラスｔｏ
、０００〜ｌθ０の清浄空気内で感光性樹脂液を乾燥さ
せることにより、欠点のない良好なブラックマトリクス
膜を形成することができ、カラー受像管の生産効率を向
上できる効果がある。As explained above, the present invention surrounds a glass panel whose inner surface is coated with a photosensitive resin liquid with a shielding plate, and circulates the air inside while cleaning it with a filter.
By drying the photosensitive resin liquid in clean air of ,000 to lθ0, a good black matrix film with no defects can be formed, which has the effect of improving the production efficiency of color picture tubes.
第１図は本発明の第１の実施例の感光性樹脂液のヒータ
乾燥室の概略構成図、第２図は本発明の第１の実施例の
感光性樹脂液のブロワ乾燥室の概略構成図、第３図は本
発明の第２の実施例の感光性樹脂液のヒータ乾燥室の概
略構成図、第４図は本発明の第２の実施例の感光性樹脂
液のブロワ乾燥室の概略構成図、第５図は従来の感光性
樹脂液のし−タ乾燥部の一例の概略構成図、第６図は従
来の感光性樹脂液のブロワ乾燥部の一例の概略構成図で
ある。
１・・・ガラスパネル、２・・・感光性樹脂液、３・・
・ヒータ、４・・・ブロワ、５・・・ＨＥＰＡフィルタ
、６・・・ＨＥＰＡフィルタ、７・・・金属多孔板、８
・・・ヘッド、９・・・外部より取り入れる空気、１０
・・・清浄化された空気、１１・・・乾燥室内より吸込
まれた空気、１２・・・ブロワに入る空気°、１３・・
・ブロワより吹き出された空気、１４・・・清浄化され
た空気、１５・・・乾燥室より外部へ排出される空気、
１６・・・内圧調整板、１７・・・ＨＥＰＡフィルタ、
１８・・・ブロワ、１９・・・ＨＥＰＡフィルタ、２０
・・・外部より取り込まれる空気、２１・・・ブロワに
よる気流、２２・・・外部より取り込まれる空気、２３
・・・外部へ排出される空気、２４・・・シール、２５
・・・ブロワ、２６・・・上昇気流、２７・・・巻き込
み空気。
！ １ 図
刀 ３ 図
月 ２ 図
丙 ４ 図FIG. 1 is a schematic configuration diagram of a heater drying chamber for photosensitive resin liquid according to the first embodiment of the present invention, and FIG. 2 is a schematic configuration diagram of a blower drying chamber for photosensitive resin liquid according to the first embodiment of the present invention. 3 is a schematic diagram of the heater drying chamber for photosensitive resin liquid according to the second embodiment of the present invention, and FIG. 4 is a schematic diagram of the blower drying chamber for photosensitive resin liquid according to the second embodiment of the present invention. FIG. 5 is a schematic diagram of an example of a conventional blower drying section for photosensitive resin liquid, and FIG. 6 is a schematic diagram of an example of a conventional blower drying section for photosensitive resin liquid. 1...Glass panel, 2...Photosensitive resin liquid, 3...
・Heater, 4...Blower, 5...HEPA filter, 6...HEPA filter, 7...Metal porous plate, 8
...Head, 9...Air taken in from outside, 10
...Purified air, 11...Air sucked from the drying chamber, 12...Air entering the blower, 13...
・Air blown out from the blower, 14...Cleaned air, 15...Air discharged to the outside from the drying room,
16... Internal pressure adjustment plate, 17... HEPA filter,
18...Blower, 19...HEPA filter, 20
... Air taken in from the outside, 21 ... Air flow by blower, 22 ... Air taken in from the outside, 23
... Air discharged to the outside, 24 ... Seal, 25
...Blower, 26...Updraft, 27...Entrained air. ! 1 Zuto 3 Zutsuki 2 Zuhei 4 Illustration
Claims (1)
光体画素と該３種類の蛍光体画素の間を非発光吸光性物
質で埋めて蛍光面を形成する工程を含むブラックマトリ
クス型カラー受像管の蛍光面ブラックマトリクス膜の製
造方法において、前記ガラスパネル内面に感光性樹脂液
を塗布し、前記ガラスパネル内面に遠赤外線ヒータを対
置させ前記感光性樹脂液を加熱乾燥させる工程と、前記
ガラスパネル内面にブロワを対置させ前記感光性樹脂液
を乾燥させる工程とを少なくとも含み、かつ、内面に前
記感光性樹脂液が塗布された前記ガラスパネルを遮へい
板で囲み、内部の空気をフィルタで清浄化しながら循環
させることにより、塵埃クラス１０，０００〜１００の
清浄空気内で前記感光性樹脂液を乾燥させることを特徴
とするカラー受像管の蛍光面ブラックマトリクス膜の製
造方法。A black matrix type color that includes three types of phosphor pixels of green, red, and blue formed on the inner surface of a glass panel and a process of filling the space between the three types of phosphor pixels with a non-emitting light-absorbing material to form a phosphor screen. In the method for manufacturing a phosphor black matrix film for a picture tube, the steps include applying a photosensitive resin liquid to the inner surface of the glass panel, placing a far-infrared heater opposite to the inner surface of the glass panel, and heating and drying the photosensitive resin liquid; and at least the step of drying the photosensitive resin liquid by placing a blower on the inner surface of the glass panel, and surrounding the glass panel whose inner surface is coated with the photosensitive resin liquid with a shielding plate, and filtering the air inside. A method for manufacturing a phosphor black matrix film for a color picture tube, characterized in that the photosensitive resin liquid is dried in clean air having a dust class of 10,000 to 100 by circulating it while cleaning it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP434489A JPH02183935A (en) | 1989-01-10 | 1989-01-10 | Manufacture of fluorescent screen black matrix film for color picture tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP434489A JPH02183935A (en) | 1989-01-10 | 1989-01-10 | Manufacture of fluorescent screen black matrix film for color picture tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02183935A true JPH02183935A (en) | 1990-07-18 |
Family
ID=11581812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP434489A Pending JPH02183935A (en) | 1989-01-10 | 1989-01-10 | Manufacture of fluorescent screen black matrix film for color picture tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02183935A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01220337A (en) * | 1988-02-29 | 1989-09-04 | Hitachi Ltd | Manufacturing device for color picture tube |
-
1989
- 1989-01-10 JP JP434489A patent/JPH02183935A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01220337A (en) * | 1988-02-29 | 1989-09-04 | Hitachi Ltd | Manufacturing device for color picture tube |
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