公开(公告)号：US20230023814A1

公开(公告)日：2023-01-26

申请号：US17643189

申请日：2021-12-08

Applicant: DELTA ELECTRONICS, INC.

Inventor： Yu-Chen CHANG ,  Chun-Fei KUNG ,  Shih-Yung CHIU ,  Shu-Han WU

IPC: B23K1/005 ,  B23K26/073 ,  B23K26/03 ,  B23K26/067 ,  B23K26/06 ,  B23K26/04 ,  G02B27/09 ,  G02B27/28 ,  G02B5/00 ,  B23K3/04

Abstract: A laser soldering system includes a laser source module, a polarization adjusting assembly, a temperature sensor, and a controller. The laser source module is configured to emit a laser beam. The polarization adjusting assembly includes a plurality of polarization elements and at least one stepping motor. The polarization elements are configured to split the laser beam into a Gaussian beam and a ring-shaped beam. The Gaussian beam illuminates the first element, and the ring-shaped beam is illuminates the second element. The stepping motor is configured to adjust a size of the ring-shaped beam. The temperature sensor is configured to monitor temperatures of the first element and a temperature of the second element. The controller is electrically connected to the temperature sensor, the laser source module, and the polarization adjusting assembly.

公开(公告)号：US20220410312A1

公开(公告)日：2022-12-29

申请号：US17471094

申请日：2021-09-09

Applicant: Delta Electronics, Inc.

Inventor： Chun-Lien HUANG ,  Wen-Yu CHUANG ,  Keng-Ning CHANG ,  Ting-Yu LU ,  Chun-Fei KUNG

IPC: B23K26/06 ,  B23K26/60 ,  B23K26/03 ,  B23K1/005 ,  G05B19/418

Abstract: A laser soldering system using dynamic light spot and a method thereof are provided. A laser module is controlled to radiate toward multi-lens to form a light spot on a soldering target for soldering, and a lens distance between the multi-lens is adjusted to adjust a light spot size. The disclosure may provide multiple heating densities respectively adequate to different soldering status via adjusting the light spot size when using same laser power, so as to improve the soldering quality.