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公开(公告)号：US5635320A
公开(公告)日：1997-06-03
申请号：US375949
申请日：1995-01-20
申请人： Yasuhisa Ohtake , Seiji Sago , Nobuo Kita
发明人： Yasuhisa Ohtake , Seiji Sago , Nobuo Kita
CPC分类号： H01J29/076 , H01J9/142 , H01J2229/0755
摘要： A shadow mask of a color cathode ray tube has a large number of electron beam apertures through which electron beams emitted from the electron gun pass. Bach of the electron beam apertures has a larger opening open to a surface of the shadow mask on a phosphor screen side, and a smaller opening open to a surface of the shadow mask on an electron gun side and communicating with the larger opening. The smaller opening of each of the electron beam apertures located at a peripheral portion of the shadow mask is defined by a wall surface of the shadow mask. The wall surface includes an outward portion which is located outward in a radial direction with respect to a center of the shadow mask and a central-side portion which is located on a central side of the shadow mask. An angle defined by the outward portion and a central axis of the smaller opening is larger than an angle defined by the central-side portion and the central axis of the smaller opening.
摘要翻译： 彩色阴极射线管的荫罩具有大量的从电子枪发射的电子束通过的电子束孔径。 电子束孔的巴赫具有比荧光屏侧的荫罩的表面开口更大的开口，以及与电子枪侧的荫罩的表面相通并与较大开口连通的较小开口。 位于荫罩周边部分的每个电子束孔的较小开口由荫罩的壁面限定。 壁面包括相对于荫罩的中心位于径向外侧的外侧部分和位于荫罩中央侧的中央侧部分。 由较小开口的向外部分和中心轴限定的角度大于由较小开口的中心侧部分和中心轴线限定的角度。
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公开(公告)号：US5578898A
公开(公告)日：1996-11-26
申请号：US585747
申请日：1996-01-16
CPC分类号： H01J29/07 , H01J2229/0733 , H01J2229/0777
摘要： A shadow mask with a low thermal expandability of an Fe--Ni-based alloy and a high surface hardness is disclosed. This shadow mask includes a mask main body consisting of an Fe--Ni-based alloy containing iron and nickel as main constituents, a large number of fine electron beam apertures formed in the mask main body, and a surface layer formed on the surface of the mask main body and containing at least one compound selected from the group consisting of iron nitride, iron nickel nitride, iron boride, iron nickel boride, iron silicide, and iron nickel silicide.
摘要翻译： 公开了一种Fe-Ni基合金具有低热膨胀性和高表面硬度的荫罩。 该荫罩包括由铁和镍作为主要成分的Fe-Ni系合金构成的面罩主体，形成在面罩主体上的大量细小的电子束孔，以及形成在面罩主体的表面上的表面层 并且含有至少一种选自氮化铁，氮化铁，铁硼化物，铁镍硼化物，铁硅化物和铁镍硅化物的化合物的化合物。
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公开(公告)号：US4536226A
公开(公告)日：1985-08-20
申请号：US603867
申请日：1984-04-25
申请人： Yasuhisa Ohtake , Hiroshi Tanaka , Koichiro Oka
发明人： Yasuhisa Ohtake , Hiroshi Tanaka , Koichiro Oka
摘要： A method of manufacturing a shadow mask includes the steps of perforating a number of apertures in a sheet of iron-nickel alloy, annealing the sheet, and forming the sheet, after annealing, into a shadow mask by pressing while the sheet is kept at a predetermined forming temperature effective to reduce the yield strength of the alloy.
摘要翻译： 制造荫罩的方法包括以下步骤：对铁 - 镍合金片中的多个孔进行穿孔，将片退火，并且在退火之后通过按压将片材保持在 预定的成形温度有效地降低合金的屈服强度。
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公开(公告)号：US5830373A
公开(公告)日：1998-11-03
申请号：US736237
申请日：1996-10-23
CPC分类号： H01J29/076 , H01J2229/0755
摘要： A color cathode ray tube has a face panel, a phosphor screen formed on an inner surface of the face panel, an electron gun for emitting electron beams toward the phosphor screen, and a shadow mask arranged between the electron gun and the face panel to oppose the phosphor screen. The shadow mask has a large number of electron beam apertures through which the electron beams pass. Each of the electron beam apertures has a small opening open to a first surface of the shadow mask and a large opening open to a second surface of the shadow mask and communicating with the small opening. The large opening has a center axis and a diameter larger than that of the small opening. A wall surface of the shadow mask which defines the large opening of each of the electron beam apertures located at a peripheral portion of the shadow mask includes a bulged portion. The bulged portion is located on the opposite side of a mask center with respect to the center axis of the large opening, and is bulged outward in the radial direction.
摘要翻译： 彩色阴极射线管具有面板，形成在面板的内表面上的荧光屏，用于向荧光屏发射电子束的电子枪，以及配置在电子枪与面板之间的荫罩， 荧光屏。 荫罩具有电子束通过的大量电子束孔径。 每个电子束孔具有通向荫罩的第一表面的小开口和通向荫罩的第二表面的大开口并与小开口连通。 大开口的中心轴线和直径大于小开口的直径。 限定位于荫罩的周边部分的每个电子束孔的大开口的荫罩的壁面包括凸出部分。 凸出部分位于相对于大开口的中心轴线的掩模中心的相反侧，并且在径向方向上向外凸出。
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公开(公告)号：US5592044A
公开(公告)日：1997-01-07
申请号：US451814
申请日：1995-05-26
CPC分类号： H01J29/076 , H01J2229/0755
摘要： A color cathode ray tube has a face panel, a phosphor screen formed on an inner surface of the face panel, an electron gun for emitting electron beams toward the phosphor screen, and a shadow mask arranged between the electron gun and the face panel to oppose the phosphor screen. The shadow mask has a large number of electron beam apertures through which the electron beams pass. Each of the electron beam apertures has a small opening open to a first surface of the shadow mask and a large opening open to a second surface of the shadow mask and communicating with the small opening. The large opening has a center axis and a diameter larger than that of the small opening. A wall surface of the shadow mask which defines the large opening of each of the electron beam apertures located at a peripheral portion of the shadow mask includes a bulged portion. The bulged portion is located on the opposite side of a mask center with respect to the center axis of the large opening, and is bulged outward in the radial direction.
摘要翻译： 彩色阴极射线管具有面板，形成在面板的内表面上的荧光屏，用于向荧光屏发射电子束的电子枪，以及配置在电子枪与面板之间的荫罩， 荧光屏。 荫罩具有电子束通过的大量电子束孔径。 每个电子束孔具有通向荫罩的第一表面的小开口和通向荫罩的第二表面的大开口并与小开口连通。 大开口的中心轴线和直径大于小开口的直径。 限定位于荫罩的周边部分的每个电子束孔的大开口的荫罩的壁面包括凸出部分。 凸出部分位于相对于大开口的中心轴线的掩模中心的相反侧，并且在径向方向上向外凸出。
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26.发明授权Aperture pattern-printing plate for shadow mask and method for manufacturing the same 失效用于阴影掩模的光刻图形印版及其制造方法
公开(公告)号：US5134015A
公开(公告)日：1992-07-28
申请号：US596013
申请日：1990-10-11
申请人： Yasuhisa Ohtake , Yasushi Magaki
发明人： Yasuhisa Ohtake , Yasushi Magaki
CPC分类号： H01J9/142 , G03C11/08 , Y10S428/901 , Y10T428/24802 , Y10T428/265 , Y10T428/31663
摘要： An aperture pattern-printing plate used for manufacturing a shadow mask, which comprises a transparent substrate, and an emulsion layer which is formed on the transparent substrate and which is opaque at portions corresponding to apertures of the shadow mask and transparent at other portions, wherein the emulsion layer is overlaid with at least one of the following a substantially-amorphous, transparent scratch-preventing film obtained by hydrolysis and condensation of metal alcoholate and having a thickness of not more than 1.5 .mu.m, and a foreign matter-preventing film formed substantially of silicone and having a thickness of not more than 0.5 .mu.m. The foreign matter-preventing film is formed on the scratch-preventing film if the foreign matter-preventing film and scratch-preventing film are both formed.
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公开(公告)号：US4846747A
公开(公告)日：1989-07-11
申请号：US281868
申请日：1988-12-08
CPC分类号： H01J9/142 , H01J29/07 , H01J2229/0733
摘要： An ingot of an Invar alloy is rolled in one direction into a plate, a number of slot holes are formed in this plate, and the plate is pressed into a curved form, thus providing a shadow mask of a color CRT. The slot holes of this shadow mask have longitudinal axes extending substantially at right angles to the rolling direction of the plate. The holes maintain their shapes after the plate has been pressed.
摘要翻译： 将殷钢合金锭在一个方向上轧制成板，在该板上形成多个槽孔，并将板压制为弯曲形状，从而提供彩色CRT的荫罩。 该荫罩的槽孔具有基本上与板的轧制方向成直角延伸的纵向轴线。 板被压制后，孔保持其形状。
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公开(公告)号：US4708680A
公开(公告)日：1987-11-24
申请号：US818269
申请日：1986-01-13
申请人： Masaharu Kanto , Eiichi Akiyoshi , Yasuhisa Ohtake
发明人： Masaharu Kanto , Eiichi Akiyoshi , Yasuhisa Ohtake
CPC分类号： H01J9/142 , H01J29/07 , H01J2229/0733
摘要： A color picture tube comprises a shadow mask which is formed to, oppose at a small gap therefrom, a phosphor screen formed on the inner surface of a panel. The shadow mask comprises a sheet of a nickel-containing iron alloy which contains 0.1% by weight or less of manganese and having an austenite grain number of 7 or less both within and at surfaces of the sheet, the austenite grain number being defined by JIS G 0551 of the Japanese Industrial Standards. The iron alloy sheet is annealed in a vacuum of 10.sup.-1 Torr or less at a temperature of 1,000.degree. C. or higher prior to formation into the shadow mask.
摘要翻译： 彩色显象管包括形成在其小间隙处的形成在面板内表面上的荧光屏的荫罩。 荫罩包括含有0.1重量％以下的锰并且在片材的内部和表面上具有7以下的奥氏体晶粒数的含镍铁合金的片材，奥氏体晶粒数由JIS 日本工业标准G 0551。 在形成荫罩之前，在1000℃以上的温度下，将铁合金板在10-1乇以下的真空中退火。
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公开(公告)号：US4689114A
公开(公告)日：1987-08-25
申请号：US652092
申请日：1984-09-19
申请人： Yasuhisa Ohtake , Makoto Harigae
发明人： Yasuhisa Ohtake , Makoto Harigae
CPC分类号： H01J9/142 , C23F1/04 , H01J2209/015
摘要： In a method for manufacturing a shadow mask, the both surfaces of a metal sheet, except those regions in which small and large openings are to be formed, are coated with resist films. The upper surface of the metal sheet is further coated with an organic synthetic film. An etching solution is sprayed on the lower surface of the metal sheet, kept in a substantially horizontal position, to etch the region corresponding to the small opening, thereby forming small recesses. Thereafter, the resist film on the lower surface is removed. Then, the metal sheet is turned over, so the surface of the metal sheet with the small recesses therein faces up, and an etching-resistant layer is formed on the surface of the metal sheet which faces up. Then, the regions corresponding to the large openings on the surface of the metal sheet which faces down is etched, to form large recesses, while keeping the metal sheet substantially horizontal, until the large recesses are reached to the resistant layer. Thus, each aperture is formed. Thereafter, the resist film and the resistant layer are removed. Thus, a shadow mask is manufactured which has a number of apertures regularly arranged therein, so the areas of the both openings of each aperture on the two surfaces of the shadow mask are different.
摘要翻译： 在荫罩的制造方法中，除了要形成小而大的开口的那些区域之外，金属片的两个表面都涂覆有抗蚀剂膜。 金属片的上表面进一步涂覆有机合成膜。 蚀刻溶液喷涂在金属片的下表面上，保持在基本上水平的位置，以蚀刻对应于小开口的区域，从而形成小凹槽。 此后，去除下表面上的抗蚀剂膜。 然后，金属片被翻转，所以具有小凹部的金属片的表面面朝上，并且在金属片的面向上的表面上形成耐蚀刻层。 然后，对应于金属片表面上的大开口的区域被蚀刻，以形成大的凹槽，同时保持金属片基本上水平，直到大的凹陷到达抵抗层。 因此，形成每个孔。 此后，去除抗蚀剂膜和抗蚀层。 因此，制造了具有规则地布置在其中的多个孔的荫罩，因此荫罩的两个表面上的每个孔的两个开口的面积是不同的。
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