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    • 3. 发明申请
    • METHOD AND APPARATUS FOR SOLDERING ELECTRONIC COMPONENT
    • 焊接电子元件的方法和装置
    • WO1988005250A1
    • 1988-07-14
    • PCT/JP1987001049
    • 1987-12-28
    • KABUSHIKI KAISHA TOSHIBACHIBA, Koichi
    • KABUSHIKI KAISHA TOSHIBA
    • H05K03/34
    • B23K26/10B23K1/0056B23K2101/42H05K3/3421H05K3/3494H05K13/0413H05K13/0465H05K2201/10689H05K2201/10984H05K2203/107Y02P70/613Y10T29/49131Y10T29/49144
    • Soldering method wherein a high-energy beam such as a laser beam is projected onto different lead terminal arrays of electronic components, the beam being projected in a scanning manner a plurality of times two-dimensionally and continuously. The invention further relates to a soldering apparatus comprising a mechanism for holding an electronic component by the tip thereof, a rotary drive mechanism (27) which turns said electronic component holding mechanism so that the position of the electronic component in the rotational direction is brought into agreement with a practical mounting position on the circuit board, holding unit-drive mechanisms (21, 22, 25) that move the electronic component-holding mechanism three-dimensionally, beam radiation mechanisms (41, 42) for irradiating the surface of the circuit board with high energy, beam radiation angle change mechanisms (53, 54) for changing the radiation angle of the high-energy beam emitted from the beam radiation mechanisms relative to the circuit board, and a beam scanning controller (47) which controls the beam radiation angle change mechanisms such that the high-energy beam scans a predetermined lead terminal array of the electronic components mounted on the circuit board a predetermined number of times. Using this apparatus, the soldering is effected under the conditions where the temperature rise near the lead terminals and the temperature distribution are uniformalized.
    • 其中将诸如激光束的高能量束投射到电子部件的不同引线端子阵列上的焊接方法,该束以二维连续的扫描方式多次投影。 本发明还涉及一种焊接装置,其特征在于,包括用于通过其末端保持电子部件的机构,旋转驱动机构(27),其使所述电子部件保持机构转动,使得所述电子部件沿旋转方向的位置进入 与电路板上的实际安装位​​置一致,保持用于三维地移动电子部件保持机构的保持单元驱动机构(21,22,25),用于照射电路表面的光束辐射机构(41,42) 具有高能量的光束辐射角度变化机构(53,54),用于改变从光束辐射机构相对于电路板发射的高能束的辐射角;以及光束扫描控制器(47),其控制光束 辐射角度改变机构,使得高能束扫描安装在电路蟒蛇上的电子部件的预定引线端子阵列 rd预定次数。 使用该装置,在引线端子附近的温度升高和温度分布均匀化的条件下进行焊接。