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72 条记录 (耗时 0.018 秒)

    Colored soldered composition
    2.
    发明授权
    Colored soldered composition 失效
    彩色焊接成分

    公开(公告)号：US5650020A

    公开(公告)日：1997-07-22

    申请号：US340735

    申请日：1994-11-16

    申请人： Kazuchika Ohta ,  Tsuyoshi Komatsu

    发明人： Kazuchika Ohta ,  Tsuyoshi Komatsu

    IPC分类号： B23K35/363 ,  B23K1/00 ,  B23K31/12 ,  B23K35/02 ,  B23K35/14 ,  B23K35/26 ,  H05K1/02 ,  H05K3/34 ,  B23K35/34

    CPC分类号： B23K31/12 ,  B23K35/025 ,  B23K35/26 ,  H05K1/0266 ,  H05K3/3457 ,  H05K3/3484

    摘要： The present invention relates to a method of infusing coloration in solder to facilitate inspection of soldered portions in the production of electronic machinery, equipment and apparatus, and further, a method of forming a colored membrane on the surface of the soldered portions by employing colored solder materials.Physically and chemically stable colored powders composed of rare earth compounds or metallic fluoride compounds, having properties of specific gravity lighter than that of solder and further being indecomposable even at a temperature higher than that of the melting points of solders, are mixed into flux. After soldering by employing solder cream containing the mixture, a colored membrane or layer may be formed on the surface of soldered portions by deposition of the colored powder compounds.

    摘要翻译： 本发明涉及一种在焊料中浸渍着色的方法，便于在电子机器，设备和设备的生产中对焊接部分进行检查，另外，通过使用着色焊料在焊接部分的表面上形成着色膜的方法 材料 由稀土化合物或金属氟化物组成的物理化学稳定的着色粉末，比具有比焊料重的比重的特性，甚至在比焊料的熔点高的温度下也是不可分解的。 在使用含有混合物的焊膏进行焊接之后，可以通过沉积着色的粉末化合物在焊接部分的表面上形成有色的膜或层。

    Logging apparatus for vessels
    3.
    发明授权
    Logging apparatus for vessels 失效
    船舶用记录装置

    公开(公告)号：US3604260A

    公开(公告)日：1971-09-14

    申请号：US3604260D

    申请日：1969-12-24

    申请人： EASTERN CO

    发明人： OGG ROBERT D

    IPC分类号： G01C22/02 ,  G01C21/00

    CPC分类号： G01C22/02

    摘要： Apparatus for indicating the distance travelled by a vessel comprising a counter that operates cyclically and for periods of time during each cycle which is a linear function of the velocity of the vessel. The counter is operated with a control circuit which is energized in response to an electrical output signal that is substantially proportional and linear to the velocity of a vessel and a second electrical signal that varies linearly with time between two set values.