公开(公告)号：US11852891B2

公开(公告)日：2023-12-26

申请号：US17182653

申请日：2021-02-23

Applicant: Delta Electronics, Inc.

Inventor： Hung-Wen Chen ,  Ren-Feng Ding ,  Shih-Yung Chiu ,  Shu-Han Wu ,  Keng-Ning Chang

IPC: G02B7/09 ,  G02B27/10 ,  G01J1/42 ,  B23K26/06 ,  G02B19/00 ,  G01C3/08

CPC classification number: G02B7/09 ,  B23K26/0648 ,  G01C3/08 ,  G01J1/4257 ,  G02B19/0009 ,  G02B19/0047 ,  G02B27/106

Abstract: A laser processing device for processing a workpiece is provided, including a laser emitter, a lens module, a driving module, a camera module, and a processing unit. The lens module has a first lens and a second lens, wherein the laser emitter emits a laser beam through the first and second lenses to the workpiece. The driving module drives the first lens to move relative to the second lens. The camera module captures an image of the workpiece. The processing unit is electrically connected to the camera module and the driving module, wherein the camera module transmits an image signal to the processing unit according to the image of the workpiece, and the processing unit transmits a driving signal to the driving module according to the image signal, driving the first lens to move relative to the second lens. A method for processing a workpiece is also provided.

公开(公告)号：US11599803B2

公开(公告)日：2023-03-07

申请号：US16355867

申请日：2019-03-18

Applicant: DELTA ELECTRONICS, INC.

Inventor： Shu-Han Wu ,  Hung-Wen Chen ,  Ren-Feng Ding ,  Yi-Jiun Shen ,  Yu-Cheng Su

IPC: G06N5/04 ,  G06N20/00 ,  G06N20/20 ,  G06N20/10 ,  G06N3/08

Abstract: A soldering process method includes steps of: establishing a material component database; establishing a working parameter database; analyzing material and component characteristics required for a new soldering process; comparing the characteristics with information in the material component database; selecting operating parameters corresponding to the material and component characteristics similar to those required for the new soldering process; performing the soldering process using the operating parameters corresponding to the material and component characteristics similar to those required for the new soldering process; measuring and recording the soldering process execution information and the final product information; determining whether the final product of the solder process meets the quality control requirements; using the machine learning method to fit the soldering process execution information and the final product information of the solder process to get the operating parameters for the next soldering process when the final product does not meet the quality control requirements.

公开(公告)号：US11219972B2

公开(公告)日：2022-01-11

申请号：US16106007

申请日：2018-08-21

Applicant: DELTA ELECTRONICS, INC.

Inventor： Shu-Han Wu ,  Hung-Wen Chen ,  Qi-Ming Huang ,  Yang-Hao Chou ,  Yun-Chung Sun

IPC: B23K31/00 ,  G16C20/00 ,  B23K31/12 ,  B23K26/20 ,  G16C20/70

Abstract: A soldering process method includes the following steps. A temperature profile of generating a solder structure is measured. A final product of the solder structure is tested and recorded. A machine learning method is used to repeatedly compare and analyze a relationship between a plurality of the temperature profiles of the solder structure and a corresponding final product of the solder structure so as to find an optimal temperature profile model in accordance with quality control requirements.

公开(公告)号：US12214436B2

公开(公告)日：2025-02-04

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: B23K3/04 ,  B23K1/005 ,  B23K26/03 ,  B23K26/04 ,  B23K26/06 ,  B23K26/067 ,  B23K26/073 ,  B23K26/34 ,  G02B5/00 ,  G02B27/09 ,  G02B27/28

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：US11465234B2

公开(公告)日：2022-10-11

申请号：US17028088

申请日：2020-09-22

Applicant: Delta Electronics, Inc.

Inventor： Ren-Feng Ding ,  Hung-Wen Chen ,  Shu-Han Wu

IPC: B23K26/20 ,  B23K26/352 ,  B23K26/32 ,  B23K26/06 ,  B23K1/005 ,  B23K26/03 ,  B23K101/42

Abstract: A laser soldering device includes a laser source, a lens group, a temperature sensor, and a feedback controller. The laser source emits a laser beam, which is power-adjustable, according to a control signal. The temperature sensor receives infrared rays radiated when the laser beam is irradiated to the soldering point to detect the temperature of the soldering point, and correspondingly outputs a sensing signal according to the detected temperature. When the detected temperature falls into a first temperature range based on a target temperature, the feedback controller executes a PID algorithm to calculate a predicted error value according to an error value between the detected temperature and the target temperature. The feedback controller controls the laser source according to the predicted error value, and adjusts the power of the laser beam accordingly, so that the detected temperature can be substantially equal to the target temperature.