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    • 74. 发明授权
    • Inspection method and apparatus
    • 检验方法和装置
    • US5187573A
    • 1993-02-16
    • US757543
    • 1991-09-11
    • Hajime Yoshida
    • Hajime Yoshida
    • G01N21/88G01N21/90H04N7/18
    • G01N21/8851G01N21/9045G01N2021/8887
    • An image of the inspected object, irradiated by a light, is picked by a video camera and a video signal therefrom is processed by an electronic processor. A pattern judging window is setup on the inspected object to thereby judge whether a pattern exists on the object, and when it is judged that there is no pattern a plurality of inspection windows are set up to thereby perform a predetermined defect inspection on portions of the inspected object within the plurality of windows. A pattern discrimination window is setup on the inspected object when it is judged that there exists a pattern so as to discriminate the kind of pattern, and either setting up the inspection window or another inspection window depending on the kind of pattern so discriminated.
    • 由光照射的被检查物体的图像由摄像机拾取,并且其中的视频信号由电子处理器处理。 在被检查对象上设置图案判断窗口,从而判断物体上是否存在图案,并且当判断为没有图案时,设置多个检查窗口,从而对该部件进行预定的缺陷检查 在多个窗口内检查对象。 当判断存在图案以识别图案的种类,并根据所鉴别的图案的种类设置检查窗口或其他检查窗口时,在被检查物体上设置图案识别窗口。
    • 79. 发明授权
    • Method and an apparatus for inspecting an external shape of an object
having a symmetry
    • 用于检查具有对称性的物体的外形的方法和装置
    • US4896279A
    • 1990-01-23
    • US923126
    • 1986-10-24
    • Hajime Yoshida
    • Hajime Yoshida
    • G01B11/24G01B11/02
    • G01B11/022
    • An object is sensed by a photoelectric conversion sensor having a photoelectric conversion screen expressed as an XY coordinate grid such that the symmetrical axis of the object is parallel to one axis of the XY coordinate, coordinates at a plurality of right left points which respect to the other axis of the XY coordinate at which an external contour of the object intersects a plurality of straight lines perpendicular to the symmetrical axis are determined. Coordinates at a plurality of center points between the right and left points with respect to the other axis are determined, and the maximum frequency coordinate among the coordinates of center points in designated as a standard center coordinate, and the standard center coordinate is compared with each of the plurality of center coordinates.
    • 通过具有表示为XY坐标网格的光电转换屏幕的光电转换传感器来感测物体,使得物体的对称轴线平行于XY坐标的一个轴线,在多个左侧点处相对于 确定物体的外部轮廓与垂直于对称轴线的多条直线相交的XY坐标的另一轴。 确定相对于另一个轴线在左右点之间的多个中心点处的坐标,并且将指定为标准中心坐标的中心点的坐标和标准中心坐标之间的最大频率坐标与每个 的多个中心坐标。
    • 80. 发明授权
    • Silver/metal oxide material for electrical contacts and method of
producing the same
    • 用于电接点的银/金属氧化物材料及其制造方法
    • US4808223A
    • 1989-02-28
    • US70577
    • 1987-07-07
    • Ryoji OzakiHisaji ShinoharaHironobu YamamotoTakashi NaraHajime Yoshida
    • Ryoji OzakiHisaji ShinoharaHironobu YamamotoTakashi NaraHajime Yoshida
    • C22C5/06B22F9/30C22C1/04C22C1/10C22C32/00H01H1/0237C22C29/12
    • C22C1/1026B22F9/30C22C32/0021H01H1/0237
    • This invention relates to a silver/metal oxide material for electrical contacts containing no Cd which essentially consists of Ag and 5 to 30% by weight of at least one of oxides of Sb, Sn, Zn, In, Cu, Mn, Bi and Pb, and further, if necessary, 0.05 to 2% by weight of at least one of oxides of Mg, Al, Fe, Ni, Co, Si, Ga, Ge, Te, Ca and Li, the total amount of said metal oxides being 5 to 32% by weight, wherein fine particles of said metal oxides are substantially uniformly distributed in a matrix whose main component is Ag in a sintered state, and wherein there are no grain boundaries formed by agglomerations or agglomerated layers of said metal oxides. Further, the method of producing the same is provided including steps of: changing in steps the hydrogen ion concentration in an aqueous solution of Ag ions and at least one of metal ions of Sb, Sn, Zn, In, Cu, Mn, Bi and Pb, and further, if necessary, at least one of metal ions of Mg, Al, Fe, Ni, Co, Si, Ga, Ge, Te, Ca and Li so as to form precipitates of Ag-oxygen compound and oxides and/or hydroxides of said metals; drying and thereafter heat-treating said precipitates to form mixed powder of Ag and oxides of said metals and shaping and sintering said mixed powder; and further, if necessary, heat-treating the sintered material to stabilize.
    • 本发明涉及一种不含Cd的电触点用银/金属氧化物材料,其主要由Ag组成,5〜30重量%的Sb,Sn,Zn,In,Cu,Mn,Bi,Pb的氧化物中的至少一种 ,另外如果需要,可以含有0.05〜2重量%的Mg,Al,Fe,Ni,Co,Si,Ga,Ge,Te,Ca和Li的氧化物中的至少一种,所述金属氧化物的总量为 5〜32重量%,其中所述金属氧化物的细颗粒基本均匀地分布在主要成分为Ag的基体中,烧结状态下,并且不存在由所述金属氧化物的聚集或凝聚层形成的晶界。 此外,其制造方法包括以下步骤:逐步改变Ag离子的水溶液中的氢离子浓度和Sb,Sn,Zn,In,Cu,Mn,Bi的金属离子中的至少一种和 Pb,并且如果需要,还可以含有Mg,Al,Fe,Ni,Co,Si,Ga,Ge,Te,Ca和Li中的至少一种金属离子,以形成Ag-氧化合物和氧化物和/ 或所述金属的氢氧化物; 干燥,然后对所述沉淀物进行热处理,以形成Ag和所述金属的氧化物的混合粉末,并对所述混合粉末进行成形和烧结; 此外,如果需要,对烧结材料进行热处理以稳定化。