What Is Stain Defect Detector?
Direct Answer
A stain defect detector uses machine vision to catch dark spots, dirt, insects or oil contamination on nonwoven and film surfaces in real time.
Key Takeaways
- A stain defect detector uses machine vision to catch dark spots, dirt, insects or oil contamination on nonwoven and film surfaces in real time.
- How it works: High-resolution cameras scan the moving web or finished product; image-processing software flags any defect against the background pattern.
- Detecting black specks on nonwoven topsheets
- Stain detection is for aesthetics — it is also a contamination and food-safety-style control
How Stain Defect Detector Works
High-resolution cameras scan the moving web or finished product; image-processing software flags any defect against the background pattern. Flagged areas trigger rejection or marking so contaminated product never reaches consumers.
Examples and Applications
- Detecting black specks on nonwoven topsheets
- Catching oil stains on film backsheets
Stain Defect Detector vs. Related Terms
| Term | What it is | Key difference |
|---|---|---|
| Stain Defect Detector | ||
| Stain Defect Detector |
Limitations and Common Misconceptions
- Stain detection is for aesthetics — it is also a contamination and food-safety-style control
What does a stain defect detector catch?
Dirt, specks, oil and foreign material on webs and products, flagging them before packing.
References
- JP CIA (industry) - Baby diaper material: key components and their functions — 行业媒体 (accessed 2026-08-02)