The semiconductor and optical communication processes are advancing towards higher density and faster speeds, significantly increasing the precision and stability requirements for fiber optic assembly. Manual operations can no longer meet market demands in terms of alignment, yield, and production capacity, making process automation a critical direction.
Therefore, the introduction of high-precision visual positioning, active alignment, and automated testing can enhance process accuracy and consistency. Combining MES and data tracking mechanisms allows real-time monitoring of process status, supporting quality control and continuous optimization. The common industry pain points are as follows :
- Precision and Alignment Issues
Fiber or connector alignment in optical cables requires micron-level precision, which can be easily affected by environmental vibrations, thermal expansion, and workpiece tolerance deviations.
- Unstable Yield and High Manual Error
Manual processes such as stripping, cutting, inserting, crimping, or gluing can lead to rework or scrap due to errors, excessive or insufficient glue, and incomplete stripping.
- Production Bottlenecks and Rising Labor Costs
The high demand for semiconductor and optical communication products, coupled with slow manual operations and high training costs for operators, leads to significant labor turnover issues.
- Heavy Testing and Quality Verification Load
Each optical cable and connector must be tested for insertion loss, return loss, and polarization (if needed). Traditional testing processes are slow and prone to errors.
- High Environmental and Equipment Stability Requirements
Dust, temperature, humidity, vibration, and thermal changes can affect the optical characteristics of fiber optic processes. Equipment maintenance is challenging, and the cost of equipment usage is high.
Solutions Provided by GIT :
- Precision Visual Positioning System
Using robotic arms for stripping, cutting, inserting, and crimping actions; the visual system (2D/3D imaging) first locates the fiber or end face position.
- Active Alignment Technology
Includes six degrees of freedom (6-DoF) positioning and real-time feedback adjustments, allowing automatic correction of deviations during fiber insertion or joining.
- Integrated Testing and Verification Modules
Incorporating tests (insertion loss/return loss/fiber continuity, etc.) on the assembly line, paired with automated testing equipment to reduce downstream rework and quality issues.
- MES (Manufacturing Execution System) and Data Tracking
Monitoring processing parameters, labor hours, and test results for each production line through the MES system to identify bottlenecks and defect sources.
- Standardized Modules and Processes + Automated Equipment Selection
Standardizing processes such as connector types, stripping lengths, glue amounts, and insertion depths; selecting suitable automated stripping machines, glue dot/glue amount control equipment, and alignment platforms. Modular design reduces costs when changing product types or connector types.
- Environmental Control and Regular Equipment Calibration and Maintenance
Maintaining clean rooms or enclosed production environments, controlling temperature and humidity, and reducing vibrations; regular calibration and maintenance of visual systems and positioners to maintain precision.
GIT's Rigorous Custom Project Process
GIT Project Evaluation Cases and Illustrations
- Automatic Fiber Assembly Line Design (Appearance Illustration)
各工站皆可切換為人工入料、 滿足FFU規範並搭配ULPA濾網過濾機組
- Full line concept planning
This workstation is for reference only and can be customized according to different needs
- Key process planning
(Banding → Fiber stripping/cutting → PMF rotation and positioning)
※ 本文件光纜組裝自動化部分內容源自 GIT全球儀器內部自動化系統評估報告，僅作為展示 GIT 系統整合能力之用途，所有專案資料均已去識別化，不涉及任何客戶機密資訊。
Future Trends and Risk Reminders
- Pushing Towards Higher Density and Faster Speeds
With the demand for AI, data centers, 5G/6G, silicon photonics integration, etc., the number of fiber optic connectors will increase, density will be higher, and speeds will be faster (400G, 800G, or even beyond T-level in the future). The requirements for assembly precision and stability will become more stringent.
- Silicon Photonics Integration and Co-Packaged Optics (CPO)
The integration of optoelectronic components and ICs within the same package, including fibers or waveguides, will drive the demand for automated assembly of fiber optic connectors (or fiber combinations).
- Modular and Flexible Production Lines
The variety of customized signal fibers or connector types requires machines to quickly switch between different connectors or fiber types.
- Cost vs. Investment Balance
The high capital expenditure of automated equipment necessitates an evaluation of the return on investment and the proportion of efficiency improvement before implementation. Maintenance costs and equipment availability must also be considered.
- Emphasis on Reliability and Testing Standards
As the reliability requirements for applications (data centers/AI/automotive sensors) increase, post-assembly testing (environmental testing, temperature cycling, vibration, aging, etc.) will become an indispensable part.
