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RFID KEY FOB, CARD & INLAY

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Reliability of key fob and cards starts with reliable contact interconnections between inlay antenna and the RFID chip. A wire-bonded module ensures highest reliability interconnections proven in electronic industry.

Key Fob Inside Picture

For high temperature stability including high humidity exposure, besides the interconnection reliability, the substrate and antenna inlay must also be reliable. AVANTE uses etched copper antenna inlay and soldering interconnections for industry proven reliability.

Wrist Band Sample

Substrate Interconnection

AVATE has more than 16 different size and shape inlay antenna designed and engineered for 13.56 MHz. The read distance depends on the area of the tag. The larges tags made is 7X7" with a read distance of over 7 feet with the patent-pending reader/antenna made by AVANTE. All of the tags are made with 1 oz. copper on proprietary molecular flexible high temperature stable substrate made by AVANTE. All interconnections are made wit soldering at temperatures as high as 300 degrees using the patented approach of "chip-jumper" (RFID industry refers to it as "strap", etc.). They have been proven reliable after extended exposures at both low and high temperature as we well as high humidity at high temperatures.

 
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RFID Inlay and Embedded Key Fob and ISO Card Made for High Temperature and Reliability

FACTORS THAT DETERMINE RELIABILITY OF RFID INLAYS, CARDS AND KEYFOB
Properties and Attributes AVANTE Patented Technologies Traditional Methods and Technologies
High temperature stability
  • High temperature propriety low cost substrate for long-term usage at 200°C and higher with intermittent processing stability of up to 300°C for minutes.
  • Etched copper for high temperature stability.
  • Soldered interconnections and encapsulated to protect from high temperature reflow.
  • Standard inlay substrates are polyester (PET) that deforms at temperature at 150-180°C and melt above 200°C and thus render them not applicable at higher than these temperatures.
  • Most have printed silver inks that will deformed along with substrate melting or deforms.
  • Most uses adhesive or mechanical attached that may be detached or loosened.
Long-term Interconnection stability
  • AVANTE uses wired-bonded for its chip level interconnection and protected module for all its high temperature inlays. This proven interconnection ensures long-term stability at temperatures up to 300°C for long-term use.
  • The encapsulated module is soldered directly on etched copper for high temperature stability.
  • Soldered second level interconnections are encapsulated for processing at high temperatures beyond soldering temperature.
  • Traditional methods uses direct mechanical contacts on aluminum, metal strap or printed silver inks. These interconnections may suffer oxidation and/or mechanical contact loosening and thus lost in read distance or reliability.
  • The metal strap or direct flip-chip first level interconnections may or may not be encapsulated.
  • The metal straps are attached to the tag antennae with adhesive or mechanical compression that may loosen over temperature and/or mechanical stress.

The applications for RFID (based on ISO 15693 or ISO 18000-1/6) tags and RF-enabled (based on ISO 14443, ISO 15693 and ISO18000-6C) cards and key fob products are endless.

Card Key Fob Sample

ISO 14443 For More Secured and Private Applications

Key Fob and Cards based on ISO 14443 are shorter range in read distance for more secured and more suitable for the financial and security applications:

  • Access control
  • Inside door
  • Building door
  • Passport or ID cards
  • Financial Transaction
  • Retail check out programs
  • Pharmacy and drug dispensing programs
  • Loyalty programs with points accumulations
  • Kiosk accessAnd purchasing
  • Vending machine purchasing

Sample Wristbands

ISO 15693 HF and ISO 18000-6C UHF For Longer Range Convenient Applications:

Key Fob and Cards based on ISO 15693 or UHF ISO 18000-6C have longer read distance for more convenience and security can still be maintained.

  • Access control
  • Car Park
  • Gate Monitoring
  • Convenience Applications
  • Time attendance
  • Membership and activity monitoring programs
  • Identification and services
  • Frequent buyer or customer identifications
  • Library card and assets
  • Video and other rental membership
  • Gift cards and programs
  • Sports tickets and programs

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