Langfang Jingzheng Optoelectronic Technology Co., Ltd.
Glass and Metal Encoder Discs
Precision Manufacturing
Dedicated to developing and manufacturing the encoder disc — the core component of an optical encoder. Our range covers transmissive glass encoder discs, reflective metal encoder discs and custom solutions for servo drives, CNC equipment, industrial robots and precision measurement.
PRECISION ENCODER DISCS · OPTICAL MEASUREMENT
RADIAL OPTICAL GRATING
ABOUT US
An Optical Measurement Component Manufacturer
Dedicated to Precision Encoder Discs
Located in the Dachang High-Tech Industrial Development Zone in Langfang, Hebei Province, Langfang Jingzheng Optoelectronic Technology Co., Ltd. is a National High-Tech Enterprise specializing in the development and manufacture of precision encoder discs (code wheels for encoders). Its main products are glass encoder discs, reflective metal encoder discs, PC encoder discs and other optical measurement components. With photolithographic patterning, precision laser machining and machine vision inspection as its core processes, the company provides customers with stable, reliable core encoder components and customized solutions.
More About the Company →PRODUCTS
Encoder Disc Product Range
Glass Encoder Disc
High-precision transmissive glass-substrate encoder discs, patterned by photolithography, for high-resolution optical encoders.
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Reflective Metal Encoder Disc
Reflective metal-substrate encoder discs, durable and shock-resistant, for reflective optical encoder designs.
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PC Encoder Disc
Polycarbonate (PC) substrate encoder discs, lightweight and low-cost, for high-volume optical encoders.
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Custom Encoder Disc
Outer diameter, bore, line count and substrate customized to customer drawings for application-specific encoder disc solutions.
VIEW →TECHNOLOGY
End-to-End Precision Processes
from Substrate Preparation to Inspection
Lapping and Polishing
Precision processing of substrate flatness and surface quality.
Optical Coating
Reflective or anti-reflective coating stacks applied as required to match the optical path.
Precision Photolithographic Patterning
Disc graduations formed by photolithography, with uniform pitch and high contrast.
Precision Laser Cutting
Laser cutting of the outer diameter and laser machining of the bore, with controlled edge chipping.
Machine Vision Inspection
Automatic detection of graduation defects, with quality checked disc by disc.
NEWS
Company News and Public Disclosures
Need a Custom Encoder Disc Solution?
Tell us your resolution, outer diameter, substrate and key process requirements, and our engineers will work through the technical details with you.