Gold-Plated EMV Smart Card Contact Chip
Electronic Component (EMV Chip) · Yellow Gold (Cobalt or Nickel hardened industrial alloy)
Purity: Hard Gold Plating (typically 99.0% to 99.7% purity within the plated layer)
Type
Electronic Component (EMV Chip)
Purity
Hard Gold Plating (typically 99.0% to 99.7% purity within the plated layer)
Gold Type
Yellow Gold (Cobalt or Nickel hardened industrial alloy)
Weight
Negligible (microliter thin plating; estimated gold content <0.01 grams)
Description
A standard gold-plated contact pad for a credit or debit card smart chip. This surface serves as the electrical interface between the card's internal microcontroller and a terminal reader. The visible pattern of lines facilitates specific ISO-standardized connection points (VCC, RST, CLK, Ground, and I/O).
Key Features
Planar contact layout with six or eight identifiable electrical pads; rounded rectangular geometry; high-wear resistance hard gold plating.
Color & Finish
Yellow metallic gold with a matte to semi-satin industrial finish; features etched isolation grooves
Hallmarks & Stamps
None; industrial components utilize manufacturer batch codes on the reverse silica side
Dimensions Estimate
Approximately 12mm x 9mm (Standard ISO/IEC 7816 contact face)
Gemstones & Inlays
None; features epoxy glass substrate and etched copper-nickel-gold traces
Clasp & Closure
Embedded adhesive bonding to plastic substrate
Chain & Links
Non-applicable; uses etched contact pads for electrical interface
Craftsmanship Details
Precision chemical etching and electroplating on a flexible substrate; designed for high-cycle durability and corrosive resistance.
Authentication Indicators
Geometric pattern consistent with ISO 7816; characteristic color of industrial hard gold; absence of jewelry hallmarks.
Origin & Maker
Likely manufactured by major semiconductor firms like Gemalto, Giesecke+Devrient, or IDEMIA
Era & Period
Contemporary (2010s-present; widespread EMV transition era)
Age Estimate
Circa 2015-2024
Cultural Significance
Represents the modern transition from physical gold as currency to digital banking secured by gold-component hardware.
Condition Notes
Fair to Good; visible surface scratches and 'card reader' track marks typical of frequent transactional use.
Value Estimate
Intrinsically $0.01 - $0.05 in gold melt value; value is purely functional based on the associated bank account.
Care & Maintenance
Avoid abrasive cleaning; wipe with a soft cloth and Isopropyl alcohol if contacts fail to read.
Similar Items
SIM card contacts, gold-plated CPU pins, high-end PCB fingers.
Interesting Facts
The gold used on these chips is 'Hard Gold,' an alloy containing small amounts of cobalt to withstand thousands of insertions into payment terminals without wearing through.