Apparatus and process for the manufacture of electronic components
    11.
    发明授权
    Apparatus and process for the manufacture of electronic components 失效
    用于制造电子部件的装置和方法

    公开(公告)号:US4243139A

    公开(公告)日:1981-01-06

    申请号:US791363

    申请日:1977-04-27

    CPC分类号: H01G13/006 H01C17/28

    摘要: In an apparatus and process for transport and support of electronic components, the leads of the components are mounted transversely and parallel to each other on a support strip adapted for being moved in a longitudinal direction. The leads are mounted so that they are parallel to each other and equidistant and held firmly in position by adhesive tape of specified thickness in relation to the thickness of the support strip. The leads protrude from at least one edge of the support strip to facilitate attachment of electronic components. Positive positioning of the leads at accurately spaced distances is achieved.

    摘要翻译: 在用于电子部件的输送和支撑的装置和方法中,部件的引线横向并且彼此平行地安装在适于沿纵向方向移动的支撑条上。 引线安装成使得它们彼此平行并等距并且通过相对于支撑条的厚度的指定厚度的胶带牢固地保持在适当位置。 引线从支撑条的至少一个边缘突出以便于电子部件的附接。 实现了准确间隔距离的引线的正定位。

    Process for producing needles for sewing machines
    12.
    发明授权
    Process for producing needles for sewing machines 失效
    生产缝纫机针的工艺

    公开(公告)号:US3589428A

    公开(公告)日:1971-06-29

    申请号:US3589428D

    申请日:1969-11-05

    申请人: SHO MASUJIMA

    发明人: MASUJIMA SHO

    IPC分类号: B21G1/04

    CPC分类号: B21G1/04

    摘要: A process for producing needles for sewing machines by forming a needle blank having a portion of reduced diameter, side rolling the needle blank into an oblong cross section, and press forming said needle blank between a pair of die blocks equipped with a groove-forming projection, said die blocks being brought together along a path substantially aligned with the major axis of said oblong cross section, the groove-forming projection also being substantially aligned with said major axis. A flattened reference plane may be formed in said needle blank to provide a reference for the remaining processes.

    Method of mounting surface-mounted type electronic components on a
printed circuit board
    13.
    发明授权
    Method of mounting surface-mounted type electronic components on a printed circuit board 失效
    将表面安装型电子部件安装在印刷电路板上的方法

    公开(公告)号:US4829663A

    公开(公告)日:1989-05-16

    申请号:US173076

    申请日:1988-03-25

    摘要: A method of mounting surface-mounted type electronic components on a printed circuit board adapted to be carried out using an electronic component series which comprises a carrier tape formed with a plurality of tiny recess portions for receiving therein adhesives for use in temporary fixing of surface-mounted type electronic components on a printed circuit board, adhesives received in the respective recess portions, and a plurality of surface-mounted type electronic components held on the carrier tape through the adhesives. In the present invention, the taking up of the electronic component from the carrier tape is performed while pushing up the tiny recess portion of the carrier tape to cause the same portion to be deformed, so that the electronic component can be easily removed together with the adhesive from the carrier tape, and the removed electronic component is then placed on a printed circuit board to be temporarily held on the printed circuit board through the adhesive having adhered on the bottom surface of the electronic component.

    摘要翻译: 一种将表面安装型电子部件安装在适于使用电子部件系列执行的印刷电路板的方法,所述电子部件系列包括形成有多个微小凹部的载带,用于在其中容纳用于临时固定表面安装型电子部件的粘合剂, 印刷电路板上的安装型电子部件,容纳在各个凹部中的粘合剂,以及通过粘合剂保持在载带上的多个表面安装型电子部件。 在本发明中,在将载带的微细凹部向上推的同时,使载带的电子部件卷绕,使得相同部分发生变形,能够容易地将电子部件与 然后将移除的电子部件放置在印刷电路板上,通过粘附在电子部件的底面上的粘合剂将其暂时保持在印刷电路板上。

    Capacitor trimming system in a quartz-crystal oscillator
    15.
    发明授权
    Capacitor trimming system in a quartz-crystal oscillator 失效
    石英晶体振荡器中的电容修整系统

    公开(公告)号:US4346537A

    公开(公告)日:1982-08-31

    申请号:US97900

    申请日:1979-11-27

    摘要: A capacitor trimming system for a quartz-crystal oscillator in a watch and/or a clock for providing a punctual watch and/or a clock has been found. The system comprises an oscillation circuit including at least a quartz-crystal piece, a trimmer capacitor for adjusting the oscillating frequency of the quartz-crystal piece, a semiconductor electronic circuit for operating said quartz-crystal piece, and apparatus for adjusting automatically the trimmer capacitor so that the oscillating frequency becomes the same as the desired reference frequency. The trimmer capacitor comprises of at least a fixed outer trimming electrode, an inner common electrode fixed parallel to said trimming electrode and a dielectric body sandwiched between the two electrodes. The trimming electrode is disposed in the air for enabling the trimming of the area of the trimming electrode, and the trimming electrode has a coarse adjustment portion parallel and aligned with said common electrode and a fine adjustment portion attached to the same plane of that of the coarse adjustment portion but outside of the common electrode. The oscillation frequency of the quartz-crystal piece is automatically picked up and the frequency is compared with the desired reference frequency, and according to the result of the comparison, the trimming electrode is trimmed so that the oscillating frequency becomes the desired reference frequency. The trimming is carried out first for the coarse trimming portion, and secondly for the fine adjustment portion.

    摘要翻译: 已经发现用于钟表中的石英晶体振荡器和/或用于提供准时钟表和/或时钟的时钟的电容器修整系统。 该系统包括至少包括石英片的振荡电路,用于调节石英晶片的振荡频率的微调电容器,用于操作所述石英晶片的半导体电子电路,以及用于自动调节微调电容器的装置 使得振荡频率变得与期望的参考频率相同。 微调电容器至少包括固定的外修边电极,平行于修整电极固定的内公共电极和夹在两电极之间的电介质体。 修整电极设置在空气中,用于修整修整电极的区域,并且修整电极具有与所述公共电极平行并对齐的粗调部分和与所述修整电极相同的平面附着的微调部分 粗调部分,但在公共电极之外。 自动拾取石英晶片的振荡频率,并将频率与期望的基准频率进行比较,根据比较结果,对修整电极进行修整,使得振荡频率成为期望的基准频率。 首先对粗修整部分进行修整,其次对于微调部分进行修整。