Contact Chip Card Manufacturing: How to Ensure Data Transmission Stability?
Contact chip cards—widely used in banking, healthcare, identity verification, and access control—rely on physical contact between metal contacts and card readers to transmit data. Unlike contactless cards, their performance hinges on stable mechanical and electrical connections, making data transmission stability a critical quality metric. From chip selection to final testing, every manufacturing process step directly impacts whether the card can reliably communicate with readers over its lifespan.