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Laser tin soldering equipment and method for welding mobile phone camera

A mobile phone camera and laser welding technology, applied in welding equipment, metal processing equipment, electric heating devices, etc., can solve problems such as burns, solder paste splashes, increased production processes and production costs

Active Publication Date: 2015-07-22
SHENZHEN INTE LASER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Due to the demand for production capacity, laser soldering has become a trend. Laser soldering has several defects while improving efficiency, such as solder paste splashing and burns on non-welding parts. Although such problems can be solved by applying protective liquid and cleaning, this Increase production process and production cost

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  • Laser tin soldering equipment and method for welding mobile phone camera

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] Such as figure 1 , the embodiment of the present invention provides a kind of laser soldering equipment that is used for welding mobile phone camera, comprises laser generator 1, the beam expander mirror 2 that is arranged on the output end of described laser generator 1, the light that is arranged on the output end of described beam expander mirror 2 Diaphragm 3, a laser vibrating mirror 4 arranged at the output end of the diaphragm 3, an F-Theta field...

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Abstract

The invention provides laser tin soldering equipment for welding a mobile phone camera. The equipment comprises a laser generator, a beam expander, a diaphragm, a laser galvanometer, an F-Theta field lens, and a PWM modulating circuit connected with the laser generator. The invention further provides a method for welding the mobile phone camera by using the laser tin soldering equipment; the method comprises the following steps: (1) the laser tin soldering equipment moves to enable the F-Theta field lens to be aligned to a processing platform; and (2) the laser generator emits a pulse laser; the PWM modulating circuit adjusts the duty ratio of the laser pulse; one tin soldering process consists of multiple time periods connected in sequence; the duty ratio of the laser pulse in each time period is kept invariable; and the duty ratios of the laser pulse corresponding to the multiple time periods are gradually increased from the first time period to the last time period. The equipment and the method are low in cost, and can effectively prevent solder paste from splashing in the tin soldering.

Description

technical field [0001] The invention relates to the field of laser welding, in particular to a laser soldering equipment and method for welding mobile phone cameras. Background technique [0002] At present, the reserved position of the mobile phone camera where welding is required is very small, as small as 0.59mm gap solder is reserved or even smaller. For camera soldering, it has now developed from manual soldering to laser soldering. [0003] Due to the demand for production capacity, laser soldering has become a trend. Laser soldering has several defects while improving efficiency, such as solder paste splashing and burns on non-welding parts. Although such problems can be solved by applying protective liquid and cleaning, this Increase production process and production cost. Contents of the invention [0004] The object of the present invention is to overcome the defects of the prior art, and provide a laser soldering device and method for welding mobile phone camer...

Claims

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Application Information

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IPC IPC(8): B23K3/00B23K1/005
CPCB23K1/0008B23K1/0056B23K3/00B23K3/04
Inventor 邹武兵段家露邓春华张德安罗会红
Owner SHENZHEN INTE LASER TECH
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