Precision Encoder Discs Photo Etched Stainless Steel Optical Code Discs
Xinhaisen manufactures high precision photo etched encoder discs for optical rotary encoders used in motion control, industrial automation, robotics, aerospace, medical equipment, semiconductor equipment and precision positioning systems.
Unlike stamping or laser cutting, chemical etching produces burr-free and stress-free encoder discs without affecting material properties, ensuring reliable optical signal transmission and long-term performance.
Encoder Discs SpecificationsPhoto Etched Encoder Disc
| Product Name | Photo Etched Encoder Disc |
| Material | Stainless Steel 304 / 316 / Nickel |
| Thickness | 0.02-1.0 mm |
| Tolerance | ±0.005 mm |
| Min Line Width | 0.01 mm |
| Application | Rotary Encoder |
| Process | Photo Chemical Etching |
| OEM | Available |


Optical encoder discs are commonly used in:
Why Choose Xinhaisen?
Photo chemical etching is the preferred manufacturing method for precision encoder discs because it creates complex optical patterns without mechanical stress or burrs. It enables extremely fine geometries, excellent repeatability, and cost-effective production from prototypes to high-volume manufacturing.
Xinhaisen provides custom etched encoder discs tailored to customer drawings, ensuring consistent quality and reliable performance for demanding encoder applications.


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