Soldering nozzle and apparatus using the same
A solder tip and solder ball technology, which is applied in the direction of tin feeding device, soldering equipment, soldering equipment, etc., can solve the problems of unstable control, decreased welding reliability, and difficult positioning of solder balls, etc., so as to improve soldering reliability and improve product quality. Quality, reduce the effect of bad welding phenomenon
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no. 1 example
[0054] A first embodiment of the present invention will be described with reference to FIGS. 9 to 18 . 9 is a schematic diagram showing the structure of the magnetic disk device, FIG. 10 is a schematic diagram showing the combined structure of the magnetic head flaps, FIG. 11 is a schematic diagram showing the structure of the welding device, and FIGS. 12 to 16 are schematic diagrams showing the structure of the laser nozzle. 17 to 18 are schematic diagrams showing welding states.
[0055] [structure]
[0056] First, the welding device in this embodiment is used to manufacture the HGA 1 mounted on the magnetic disk device 100 as shown in FIG. 9 . Specifically, as shown in FIG. 10 , it is used to connect the magnetic head slider 2 to the flexible member 12 and the wire 13 formed on the suspension member constituting the magnetic head gimbal assembly 1 . Here, the structure of the HGA 1 will be briefly described with reference to FIG. 10 .
[0057] The magnetic head gimbal as...
no. 2 example
[0082] Next, a second embodiment of the present invention will be described with reference to FIGS. 19 to 20 . The structure of the welding device in this embodiment is basically the same as that described in Embodiment 1 above, only the shape of the nozzle 105, especially the shape of the irradiation hole is different.
[0083] Specifically, as shown in the schematic diagram viewed from the front end side of the laser nozzle 105 in Fig. 19, the output laser beam passes through a part of the periphery of the central hole 152 of the heating beam irradiation holes 152, 153' to form a nearly semicircular shape. The expansion hole 153'. As shown in FIG. 20, when the laser nozzle 105 is placed on the welding site, the expansion hole 153' is formed at a position corresponding to the contact point 22 on the slider side. Therefore, the laser beam L2 passing through the expansion hole 153' passes along the outer circumference of the solder ball 3 to function to heat the slider-side co...
no. 3 example
[0086] Hereinafter, a third embodiment of the present invention will be described with reference to FIG. 21 . The welding device in this embodiment is basically the same in structure as that described in Embodiment 1 above, only the shape of the laser nozzle 205, especially the shape of the heating beam irradiation hole is different.
[0087] As shown in the schematic view seen from the front end side of the laser nozzle 205 in Fig. 21, on the laser nozzle 205, the output laser beam passes through four positions of the central hole 252 periphery of the heating beam irradiation hole to form expansion holes 253, 254. Specifically, approximately semicircular expansion holes 253, 254 are formed on the outer periphery of the circular central hole 252, wherein a pair (symbol 254) of expansion holes is formed in the alignment direction of the solder recesses 251, and in the alignment direction A pair of (symbol 254) expansion holes are formed in the vertical direction. That is, in ...
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