JPH113654A - Manufacture of color cathode-ray tube - Google Patents
Manufacture of color cathode-ray tubeInfo
- Publication number
- JPH113654A JPH113654A JP15145297A JP15145297A JPH113654A JP H113654 A JPH113654 A JP H113654A JP 15145297 A JP15145297 A JP 15145297A JP 15145297 A JP15145297 A JP 15145297A JP H113654 A JPH113654 A JP H113654A
- Authority
- JP
- Japan
- Prior art keywords
- panel
- film
- aluminum
- ray tube
- tank
- 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
- Physical Vapour Deposition (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、カラー陰極線管
の製造方法に係わり、詳しくは、色選別電極の熱膨張に
よるランディングのズレを軽減させるために、パネル内
面に形成されたメタルバックの内側に設ける熱吸収用の
導電反射膜の形成方法を改良したカラー陰極線管の製造
方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a color cathode ray tube, and more particularly, to a method for manufacturing a color cathode ray tube in which a metal back formed on an inner surface of a panel is reduced in order to reduce a landing deviation due to thermal expansion of a color selection electrode. The present invention relates to a method for manufacturing a color cathode ray tube in which a method for forming a conductive reflection film for heat absorption is improved.
【０００２】[0002]
【従来の技術】カラー陰極線管の製造方法、特にそのパ
ネルの製造方法においては、パネル内面のカーボン膜の
所定の位置に、蛍光体ストライプ、中間膜、導電膜、熱
吸収膜など多くの被膜工程が必要である。すなわち、パ
ネル内面のカーボン膜の所定の位置に、赤・緑・青色を
表現する各色の蛍光体ストライプを形成させた後、その
蛍光体ストライプの表面を平滑化させるための中間膜を
形成する。その後、さらに、この中間膜の内側に、１０
-4〜１０-5Ｔｏｒｒ（１０-2〜１０-3Ｐａ）程度の圧力
下でアルミニウムを真空蒸着して、メタルバックと呼ば
れる導電膜を形成した後、この導電膜上に、熱吸収膜を
形成する。この熱吸収膜は、メタルバックに近接して配
置される色選別電極が、電子ビームで加熱されることに
よって生じる熱放射を吸収し、メタルバック内面から色
選別電極への輻射・反射を抑えるよう作用するので、色
選別電極の熱膨張が軽減される。2. Description of the Related Art In a method of manufacturing a color cathode ray tube, particularly a method of manufacturing a panel thereof, a coating process such as a phosphor stripe, an intermediate film, a conductive film, and a heat absorbing film is formed at a predetermined position of a carbon film on the inner surface of the panel. is necessary. That is, a phosphor stripe of each color expressing red, green and blue is formed at a predetermined position of the carbon film on the inner surface of the panel, and then an intermediate film for smoothing the surface of the phosphor stripe is formed. Then, further, 10
After vacuum-depositing aluminum under a pressure of about -4 to 10 -5 Torr (10 -2 to 10 -3 Pa) to form a conductive film called a metal back, a heat absorbing film is formed on the conductive film. Form. This heat-absorbing film absorbs heat radiation generated when the color selection electrode arranged close to the metal back is heated by the electron beam, and suppresses radiation and reflection from the inner surface of the metal back to the color selection electrode. As a result, the thermal expansion of the color selection electrode is reduced.
【０００３】図３は、カラー陰極線管について、そのパ
ネル内面に形成される被膜の状態を説明するための略断
面図である。図の符号において、１はパネル、２は蛍光
体、３は導電膜、４は熱吸収膜を示す。FIG. 3 is a schematic cross-sectional view for explaining a state of a film formed on an inner surface of a panel of a color cathode ray tube. In the reference numerals in the drawing, 1 indicates a panel, 2 indicates a phosphor, 3 indicates a conductive film, and 4 indicates a heat absorbing film.
【０００４】この図３に略断面図で示すように、カラー
陰極線管では、パネル１の内面に蛍光体２を形成し、こ
の蛍光体２の内側を覆うように、アルミニウムの真空蒸
着で形成された導電膜（メタルバック）３が設けられて
いる。さらに、この導電膜３の内側を覆うように、熱吸
収膜４が形成されている。なお、この図３には理解を容
易にするために、単に蛍光体２として示したが、実際の
製造工程では、パネル１の内面のカーボン膜の所定の位
置に、赤・緑・青色を表現する各色の蛍光体ストライプ
を形成させた後、その蛍光体ストライプの表面を平滑化
させるための中間膜も設けられている。As shown in a schematic cross-sectional view of FIG. 3, in a color cathode ray tube, a phosphor 2 is formed on the inner surface of a panel 1 and aluminum is formed by vacuum evaporation to cover the inside of the phosphor 2. Conductive film (metal back) 3 is provided. Further, a heat absorbing film 4 is formed so as to cover the inside of the conductive film 3. Although FIG. 3 simply shows the phosphor 2 for easy understanding, in the actual manufacturing process, red, green, and blue are expressed at predetermined positions of the carbon film on the inner surface of the panel 1. After the phosphor stripe of each color to be formed is formed, an intermediate film for smoothing the surface of the phosphor stripe is also provided.
【０００５】そして、この熱吸収膜４の形成方法として
は、例えばパネル内面にメタルバックを形成した後、真
空槽内を０．２〜１．３Ｔｏｒｒに調節して真空蒸着を
行い、黒色金属被膜を形成する方法（特公昭６２−４７
３４１号公報）、あるいは、黒鉛を有機溶剤に溶かして
スプレーするとか、マンガンとアルミニウムを混合して
蒸着する方法（特公平７−１８００１号公報）等が従来
から知られている。このように、カラー陰極線管におい
ては、パネル内面に形成されたメタルバック（導電膜）
と、色選別電極とが対向して配置されているので、電子
ビームによる熱放射がパネル内面の導電膜によって色選
別電極に反射され、色選別電極が熱膨張することによっ
てランディングにズレが生じる、という現象があり、こ
のズレを軽減するために、メタルバックの内面に熱吸収
膜が設けられている。As a method of forming the heat absorbing film 4, for example, after forming a metal back on the inner surface of the panel, the inside of the vacuum chamber is adjusted to 0.2 to 1.3 Torr and vacuum deposition is performed to form a black metal coating. (Japanese Patent Publication No. 62-47)
No. 341), a method in which graphite is dissolved in an organic solvent and sprayed, or a method in which manganese and aluminum are mixed and vapor-deposited (Japanese Patent Publication No. 7-18001) are conventionally known. As described above, in the color cathode ray tube, the metal back (conductive film) formed on the inner surface of the panel is used.
And, since the color selection electrodes are arranged to face each other, heat radiation due to the electron beam is reflected by the conductive film on the inner surface of the panel to the color selection electrodes, and the landing occurs due to thermal expansion of the color selection electrodes, In order to reduce the deviation, a heat absorbing film is provided on the inner surface of the metal back.
【０００６】[0006]
【発明が解決しようとする課題】先の従来の技術で説明
したように、カラー陰極線管においては、電子ビームで
加熱されることによって色選別電極から生じる熱放射を
吸収し、導電膜（メタルバック）３内面から色選別電極
への輻射・反射を抑制してランディングのズレを防止す
るために、導電膜３の内側に熱吸収膜４が設けられてい
る。また、この熱吸収膜４の形成方法として、１０-1〜
１０-2Ｔｏｒｒの低真空でアルミニウムを蒸着させる方
法が知られている。しかし、この低真空でアルミニウム
を蒸着させる方法では、蒸着装置が汚染されやすい上
に、形成される黒色アルミニウム膜にもバラつきが大き
いため、一定の膜を得ることが困難である、という問題
がある。As described in the prior art, a color cathode ray tube absorbs heat radiation generated from a color selection electrode by being heated by an electron beam and forms a conductive film (metal back). 3) A heat absorbing film 4 is provided inside the conductive film 3 in order to suppress radiation and reflection from the inner surface of the conductive film 3 to the color selection electrode and prevent landing deviation. The method for forming the heat absorbing film 4 is 10 -1 to 10 -1 .
It is known to deposit aluminum at a low vacuum of 10 -2 Torr. However, this method of vapor-depositing aluminum in a low vacuum has a problem that it is difficult to obtain a constant film because the vapor deposition apparatus is easily contaminated and the black aluminum film to be formed has large variations. .
【０００７】また、黒鉛を有機溶剤に溶かしてスプレー
する方法も知られている。この黒鉛を有機溶剤に溶かし
てスプレーする方法の場合には、黒鉛膜が剥離しやすい
ので、良質な膜を得ることが難しく、また黒鉛膜はガス
吸着性が大きく、真空中でガスを放出しやすいことから
も、高真空度を維持する必要のあるカラー陰極線管に
は、必ずしも十分ではない。この発明では、パネル内面
の熱反射率が低く、しかも、緻密な熱吸収膜の形成が可
能なカラー陰極線管の製造方法を提供することを課題と
する。[0007] A method of dissolving graphite in an organic solvent and spraying it is also known. In the case of a method in which this graphite is dissolved in an organic solvent and sprayed, it is difficult to obtain a good quality film because the graphite film is easily peeled, and the graphite film has a large gas adsorption property and releases gas in a vacuum. Because of its easiness, it is not always sufficient for a color cathode ray tube that needs to maintain a high degree of vacuum. SUMMARY OF THE INVENTION It is an object of the present invention to provide a method for manufacturing a color cathode ray tube in which the heat reflectance of the inner surface of the panel is low and a dense heat absorbing film can be formed.
【０００８】[0008]
【課題を解決するための手段】請求項１の発明では、蛍
光体を覆う導電反射膜を有するパネル内面に、導電反射
膜を覆う熱吸収用の被膜を形成するパネルの製造工程に
おいて、真空蒸着槽内部に窒素を注入する手段と、アル
ミニウムを加熱する手段とを設け、導電反射膜が形成さ
れたパネルの内面をセットした状態で、真空蒸着槽内部
を排気した後、窒素を注入して窒素を含むガスによる全
圧を０．１〜数Ｔｏｒｒ（１０〜数１００Ｐａ）の一定
圧に保持し、真空蒸着槽内でグロー放電を行うと同時
に、放電中にアルミニウムを加熱蒸着することにより、
アルミニウム蒸気と窒素とを反応させて熱吸収膜を形成
している。According to the first aspect of the present invention, in a panel manufacturing process for forming a heat-absorbing coating covering the conductive reflection film on the inner surface of the panel having the conductive reflection film covering the phosphor, the method comprises: A means for injecting nitrogen into the tank and a means for heating aluminum are provided, and the inside of the panel on which the conductive reflective film is formed is set, and the inside of the vacuum evaporation tank is evacuated. Is maintained at a constant pressure of 0.1 to several Torr (10 to several 100 Pa) by performing a glow discharge in a vacuum deposition tank and simultaneously heating and depositing aluminum during the discharge,
A heat absorbing film is formed by reacting aluminum vapor with nitrogen.
【０００９】請求項２の発明では、請求項１のカラー陰
極線管の製造方法において、グロー放電の電極として、
蛍光体を覆う導電反射膜を使用する。According to a second aspect of the present invention, in the method of manufacturing a color cathode ray tube according to the first aspect, the glow discharge electrode is
A conductive reflection film covering the phosphor is used.
【００１０】請求項３の発明では、請求項１のカラー陰
極線管の製造方法において、パネル内面付近にスリット
状の電極を配設して、グロー放電を行う。According to a third aspect of the present invention, in the method of manufacturing a color cathode ray tube of the first aspect, a glow discharge is performed by disposing a slit-shaped electrode near the inner surface of the panel.
【００１１】[0011]
【発明の実施の形態】この出願の発明者らは、熱吸収用
の導電反射膜の形成工程において、窒素ガス中でアルミ
ニウムの加熱蒸着を行っても、所望のアルミニウムの窒
化膜が得られないため、条件を種々に変えながら多くの
実験を繰り返えした結果、窒素ガス中でグロー放電を行
い、その雰囲気中でアルミニウムの蒸着を行えば、窒素
とアルミニウムとの反応性を高め、灰色の熱吸収膜を形
成させることができる、という現象を確認した。この発
明では、このような実験結果に基いて、真空蒸着槽に導
電反射膜が形成されたパネルの内面を載置した状態で、
真空蒸着槽内部を排気した後、窒素を注入して真空蒸着
槽内の窒素を含むガスによる全圧を０．１〜数Ｔｏｒｒ
（１０〜数１００Ｐａ）の一定圧に保持し、真空蒸着槽
内でグロー放電を行うと同時に、放電中にアルミニウム
を加熱蒸着することにより、アルミニウム蒸気と窒素と
を反応させて熱吸収膜を形成させる点に特徴を有してい
る。BEST MODE FOR CARRYING OUT THE INVENTION The present inventors have found that a desired aluminum nitride film cannot be obtained even if aluminum is heated and vapor-deposited in a nitrogen gas in the step of forming a conductive reflection film for heat absorption. Therefore, as a result of repeating many experiments while changing the conditions, if glow discharge is performed in nitrogen gas and aluminum is deposited in that atmosphere, the reactivity between nitrogen and aluminum is increased, and gray The phenomenon that a heat absorbing film can be formed was confirmed. In the present invention, based on such experimental results, in a state where the inner surface of the panel on which the conductive reflection film is formed is placed in a vacuum evaporation tank,
After evacuating the inside of the vacuum evaporation tank, nitrogen is injected to increase the total pressure of the gas containing nitrogen in the vacuum evaporation tank to 0.1 to several Torr.
While maintaining a constant pressure of (10 to several hundreds Pa), glow discharge is performed in a vacuum deposition tank, and aluminum is heated and vapor-deposited during the discharge, thereby reacting aluminum vapor and nitrogen to form a heat absorbing film. It has a feature in that it is performed.
【００１２】図１は、この発明のカラー陰極線管の製造
方法を実施するために使用する真空蒸着装置について、
その要部構成の一例を示す略断面図である。図における
符号は図３と同様であり、１１は真空槽、１２はヒー
タ、１３はパネル台、１４はスリット状電極、１５は電
源を示す。FIG. 1 shows a vacuum deposition apparatus used for carrying out the method of manufacturing a color cathode ray tube according to the present invention.
FIG. 2 is a schematic cross-sectional view showing an example of the configuration of the main part. The reference numerals in the figure are the same as those in FIG. 3, 11 is a vacuum chamber, 12 is a heater, 13 is a panel base, 14 is a slit electrode, and 15 is a power supply.
【００１３】この真空蒸着装置は、次のような構成であ
る。真空槽１１内には、板面に一定の間隔でスリットを
設けたスリット状電極１４が、導電膜３と対向するよう
に設置されている。また、外部から高電圧を供給するた
めの電源１５が接続されている。真空槽１１内は、この
真空槽１１に接続された図示しない油回転ポンプと油拡
散ポンプによって排気される。次に、パネルの製造工程
について、その作業手順を述べる。まず、熱吸収膜形成
用のアルミニウムをヒータ１２上に乗せ、メタルバック
工程（導電反射膜の形成工程）まで終了したパネル１を
パネル台１３に乗せる。This vacuum evaporation apparatus has the following configuration. In the vacuum chamber 11, a slit-like electrode 14 having slits provided on the plate surface at regular intervals is provided so as to face the conductive film 3. Further, a power supply 15 for supplying a high voltage from the outside is connected. The inside of the vacuum chamber 11 is evacuated by an oil rotary pump and an oil diffusion pump (not shown) connected to the vacuum chamber 11. Next, the operation procedure of the panel manufacturing process will be described. First, aluminum for forming a heat absorbing film is placed on the heater 12, and the panel 1, which has been completed up to the metal back step (forming step of the conductive reflection film), is placed on the panel base 13.
【００１４】その後、真空槽１１内の排気を行い、１０
-4〜１０-5Ｔｏｒｒ（１０-2〜１０-3Ｐａ）程度になっ
たとき、油回転ポンプに切り替えて、窒素ガスを真空槽
１１内に導入する。真空槽１１内の全圧を０．１〜数Ｔ
ｏｒｒ（１０〜数１００Ｐａ）で一定の値に保ちなが
ら、スリット状電極１４と導電膜３とに電圧を印加して
グロー放電を生じさせる（請求項２の発明）。この雰囲
気中で、ヒータ１２を外部電源から通電して、アルミニ
ウムを加熱蒸着することにより、パネル１内面に形成さ
れた導電反射膜（導電膜３）の内側に、窒素と反応した
アルミニウムの被膜が形成される（請求項１の発明）。
先の図１では、導電膜３を電極として使用して、グロー
放電を生じさせる場合を説明したが、一対のスリット状
電極を使用してグロー放電を行ってもよい。Thereafter, the interior of the vacuum chamber 11 is evacuated to
When the pressure becomes about -4 to 10 -5 Torr (10 -2 to 10 -3 Pa), the operation is switched to an oil rotary pump, and nitrogen gas is introduced into the vacuum chamber 11. The total pressure in the vacuum chamber 11 is 0.1 to several T
While maintaining a constant value at orr (10 to several hundred Pa), a voltage is applied to the slit electrode 14 and the conductive film 3 to generate a glow discharge (the invention of claim 2). In this atmosphere, the heater 12 is energized from an external power supply to heat vapor-deposit aluminum, so that a film of aluminum reacted with nitrogen is formed inside the conductive reflection film (conductive film 3) formed on the inner surface of the panel 1. (The invention of claim 1).
In FIG. 1 described above, the case where the glow discharge is generated using the conductive film 3 as an electrode has been described. However, the glow discharge may be performed using a pair of slit-shaped electrodes.
【００１５】図２は、この発明のカラー陰極線管の製造
方法を実施するために使用する真空蒸着装置について、
その他の要部構成の一例を示す略断面図である。図にお
ける符号は図１と同様であり、１６は一対のスリット状
電極を示す。FIG. 2 shows a vacuum deposition apparatus used to carry out the method of manufacturing a color cathode ray tube according to the present invention.
It is a schematic sectional drawing which shows an example of another principal part structure. The reference numerals in the drawing are the same as those in FIG. 1, and reference numeral 16 denotes a pair of slit electrodes.
【００１６】この図２に示した真空蒸着装置は、先の図
１のスリット状電極１４の代りに、スリット状電極１６
が対になって設置されている点が異なっている。このよ
うに、一対のスリット状電極２１に電圧を印加してグロ
ー放電を発生させ、その中でアルミニウムを加熱蒸着す
ることによって、窒素と反応したアルミニウムの被膜が
形成される（請求項３の発明）。その他の構成と作業手
順は、先の図１と同様である。The vacuum deposition apparatus shown in FIG. 2 uses a slit electrode 16 instead of the slit electrode 14 shown in FIG.
Are different in that they are installed in pairs. As described above, a voltage is applied to the pair of slit-shaped electrodes 21 to generate a glow discharge, and aluminum is heated and vapor-deposited therein, thereby forming an aluminum film that has reacted with nitrogen. ). Other configurations and work procedures are the same as those in FIG.
【００１７】[0017]
【発明の効果】請求項１のカラー陰極線管の製造方法で
は、アルミニウムの導電膜上に熱吸収膜となる窒化され
たアルミニウムを蒸着するようにしている。したがっ
て、パネル内面の導電反射膜による熱反射率が低く、緻
密な熱吸収膜を形成させることができる。しかも、従来
の方法に比べて、安定した熱吸収膜を形成することがで
きる。According to the method of manufacturing a color cathode ray tube of the first aspect, nitrided aluminum serving as a heat absorbing film is deposited on the aluminum conductive film. Therefore, the heat reflection coefficient of the conductive reflection film on the inner surface of the panel is low, and a dense heat absorption film can be formed. Moreover, a stable heat absorbing film can be formed as compared with the conventional method.
【００１８】請求項２のカラー陰極線管の製造方法で
は、請求項１の製造方法において、グロー放電の電極と
して、蛍光体を覆う導電反射膜を使用している。したが
って、請求項１の製造方法と同様の効果が得られる。According to a second aspect of the present invention, in the method of the first aspect, a conductive reflective film covering the phosphor is used as an electrode for glow discharge. Therefore, the same effect as the manufacturing method of the first aspect is obtained.
【００１９】請求項３のカラー陰極線管の製造方法で
は、請求項１の製造方法において、パネル内面付近にス
リット状の電極を配設し、グロー放電を行う。したがっ
て、請求項１の製造方法と同様の効果が得られる。According to a third aspect of the present invention, there is provided the method of manufacturing a color cathode ray tube according to the first aspect of the present invention, wherein a slit-shaped electrode is provided near the inner surface of the panel to perform glow discharge. Therefore, the same effect as the manufacturing method of the first aspect is obtained.
【図１】この発明のカラー陰極線管の製造方法を実施す
るために使用する真空蒸着装置について、その要部構成
の一例を示す略断面図である。FIG. 1 is a schematic cross-sectional view showing an example of a configuration of a main part of a vacuum deposition apparatus used to carry out a method of manufacturing a color cathode ray tube according to the present invention.
【図２】この発明のカラー陰極線管の製造方法を実施す
るために使用する真空蒸着装置について、その他の要部
構成の一例を示す略断面図である。FIG. 2 is a schematic cross-sectional view showing an example of another configuration of a main part of a vacuum deposition apparatus used for carrying out the method of manufacturing a color cathode ray tube according to the present invention.
【図３】カラー陰極線管について、そのパネル内面に形
成される被膜の状態を説明するための略断面図である。FIG. 3 is a schematic cross-sectional view for explaining a state of a film formed on an inner surface of a panel of the color cathode ray tube.
１はパネル、２は蛍光体、３は導電膜、４は熱吸収膜、
図における符号は図３と同様であり、１１は真空槽、１
２はヒータ、１３はパネル台、１４はスリット状電極、
１５は電源、１６は一対のスリット状電極1 is a panel, 2 is a phosphor, 3 is a conductive film, 4 is a heat absorbing film,
The reference numerals in the figure are the same as those in FIG.
2 is a heater, 13 is a panel base, 14 is a slit electrode,
15 is a power supply, 16 is a pair of slit electrodes
Claims (3)
た蛍光体を覆う導電反射膜を有するパネル内面に、前記
導電反射膜を覆う熱吸収用の被膜を形成するパネルの製
造工程において、 真空蒸着槽内部に窒素を注入する手段と、アルミニウム
を加熱する手段とを備えた真空蒸着槽に、前記導電反射
膜が形成されたパネルの内面を載置した状態で、真空蒸
着槽内部を排気した後、窒素を注入して真空蒸着槽内の
窒素を含むガスによる全圧を０．１〜数Ｔｏｒｒ（１０
〜数１００Ｐａ）の一定圧に保持し、真空蒸着槽内でグ
ロー放電を行うと同時に、放電中にアルミニウムを加熱
蒸着することにより、アルミニウム蒸気と窒素とを反応
させて熱吸収膜を形成することを特徴とするカラー陰極
線管の製造方法。In a panel manufacturing process, a heat absorbing coating covering the conductive reflection film is formed on an inner surface of the panel having a conductive reflection film covering a phosphor formed on an inner surface of the panel of the color cathode ray tube. After evacuating the inside of the vacuum evaporation tank while the inner surface of the panel on which the conductive reflection film is formed is placed in a vacuum evaporation tank provided with a means for injecting nitrogen into the tank and a means for heating aluminum, , And the total pressure of the gas containing nitrogen in the vacuum evaporation tank is adjusted to 0.1 to several Torr (10
A constant pressure of about 100 Pa), glow discharge is performed in a vacuum deposition tank, and aluminum is heated and vapor-deposited during the discharge, thereby reacting aluminum vapor with nitrogen to form a heat absorbing film. A method for producing a color cathode ray tube, characterized by the following.
導電反射膜を使用することを特徴とする上記請求項１記
載のカラー陰極線管の製造方法。2. The method for manufacturing a color cathode ray tube according to claim 1, wherein a conductive reflection film covering the phosphor is used as an electrode for the glow discharge.
設して、グロー放電を行うことを特徴とする上記請求項
１記載のカラー陰極線管の製造方法。3. The method for producing a color cathode ray tube according to claim 1, wherein a glow discharge is performed by disposing a slit-shaped electrode near the inner surface of the panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15145297A JPH113654A (en) | 1997-06-10 | 1997-06-10 | Manufacture of color cathode-ray tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15145297A JPH113654A (en) | 1997-06-10 | 1997-06-10 | Manufacture of color cathode-ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH113654A true JPH113654A (en) | 1999-01-06 |
Family
ID=15518898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15145297A Pending JPH113654A (en) | 1997-06-10 | 1997-06-10 | Manufacture of color cathode-ray tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH113654A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101022948B1 (en) | 2008-11-27 | 2011-03-16 | 주식회사 엘지실트론 | Cooling cylinder for single crystal and Manufacturing apparatus using the same |
| US11612694B2 (en) | 2017-07-21 | 2023-03-28 | Becton Dickinson France | Assisted injection device for injecting a composition contained in a medical container with reduced efforts |
-
1997
- 1997-06-10 JP JP15145297A patent/JPH113654A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101022948B1 (en) | 2008-11-27 | 2011-03-16 | 주식회사 엘지실트론 | Cooling cylinder for single crystal and Manufacturing apparatus using the same |
| US11612694B2 (en) | 2017-07-21 | 2023-03-28 | Becton Dickinson France | Assisted injection device for injecting a composition contained in a medical container with reduced efforts |
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