학술논문

Automated UV-Epoxy-Based Micro-Optic Assembly for Kilowatt-Class Laser-Diode Arrays and Modules
Document Type
Periodical
Source
IEEE Transactions on Components, Packaging and Manufacturing Technology IEEE Trans. Compon., Packag. Manufact. Technol. Components, Packaging and Manufacturing Technology, IEEE Transactions on. 9(10):2127-2135 Oct, 2019
Subject
Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Automation
Tools
Lenses
Robots
Smart manufacturing
Production facilities
Computer-aided manufacturing
computer vision
diode lasers
manufacturing automation
micro-optics
power lasers
pump lasers
robotics and automation
semiconductor laser arrays
smart factory
Language
ISSN
2156-3950
2156-3985
Abstract
This paper outlines the numerous interdisciplinary activities required to implement two ultraviolet (UV) epoxy-based automated micro-optic assembly tools within a “smart factory” for high-power semiconductor laser manufacturing. After a brief overview of the motivation and approach, two examples of automated micro-optic assembly tools [e.g., fast-axis collimation (FAC) lens attach and mirror stripe alignment] for kilowatt-class laser-diode arrays and modules are given that demonstrate the breadth of automation activities required within a modern factory. For each system, the complete assembly sequence is outlined, and the steps that presented fully automated challenges are highlighted. In contrast, to the previous published results that focused on the details of the automated micro-optic alignment, the largest challenges primarily involved automation and repeatability of the UV-epoxy dispense and attach processes for these high-power semiconductor devices. These were solved by precise and stable mechanical design, customized lighting, and machine vision solutions. Finally, the complete integration of the tools into a “smart-factory” system is outlined.