cover glass quality inspection

Cover Glass Quality Control for OEM Production

Quality control is an important part of our custom cover glass manufacturing process. We inspect cover glass throughout production to help ensure that dimensions, appearance, surface quality, printing, machining, and other customer-specified requirements are consistently controlled.

Our inspection process can be applied to chemically strengthened glass, aluminosilicate glass, soda-lime glass, tempered glass, and other custom cover glass products. Inspection requirements can be defined according to customer drawings, technical specifications, approved samples, and application requirements.

Display cover lens inspection

Cover Glass Inspection Items

Dimensional Inspection

We check the length, width, thickness, hole positions, cutouts, corner radius, and other critical dimensions according to customer drawings and specifications.

Appearance Inspection

Glass surfaces are inspected for visible defects such as scratches, chips, cracks, stains, bubbles, contamination, and other appearance issues according to the agreed inspection criteria.

Edge & CNC Inspection

Processed edges, holes, notches, slots, cutouts, and CNC-machined features are checked against the required dimensions and drawings.

Printing Inspection

Silk screen printing is inspected for position, color, border dimensions, logo or graphic alignment, and overall appearance according to approved samples or specifications.

Surface Treatment Inspection

For products with AG, AR, AF, or other surface treatments, inspection requirements can include surface appearance and application-specific optical or functional specifications.

Glass Strengthening Inspection

For chemically strengthened or thermally tempered glass, inspection requirements can be defined according to the specified strengthening process and customer technical requirements.

Final Inspection

Before shipment, finished cover glass is inspected according to the agreed quality requirements, packaging specifications, and customer order requirements.

Cover Glass Quality Control Process

Our quality control process can include inspection at different stages of custom cover glass production:

1. Incoming Material Inspection
Check incoming glass materials and related production materials according to the required specifications.

2. In-Process Inspection
Monitor dimensions, machining, printing, strengthening, cleaning, and other processing stages according to the production requirements.

3. Appearance & Dimensional Inspection
Check finished glass for appearance, dimensions, edges, holes, cutouts, and other critical features.

4. Functional & Optical Inspection
Where required, inspect specified optical or functional characteristics according to the customer's technical requirements.

5. Final Inspection & Packaging
Complete final inspection before packaging and shipment according to the agreed quality standards.

Need Custom Cover Glass with Defined Quality Requirements?

Send us your drawings, specifications, approved samples, inspection requirements, or quality standards. Our team can review your requirements and provide a suitable inspection and production arrangement for your custom cover glass project.

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