3M Transparent Conductor Film

3M Transparent Conductor Film (TCF) is a thin, transparent conductive film designed for antenna applications. This film utilizes proprietary 3M technology to offer high power handling, low surface resistivity, and flexibility. The film is suitable for indoor and outdoor antenna designs operating below 6GHz. These conductor films can be patterned according to customer specifications or used in unpatterned sheets for EMI shielding and antenna prototyping. The film's construction includes a copper grid conductive layer that reduces reflected light and supports high-power transmission. These TCFs can meet typical antenna performance requirements for VSWR, PIM, and gain, depending on the design.

Features

  • Available in custom patterns or unpatterned sheets
  • Enables antennas to meet VSWR, PIM, and gain requirements typical of non-transparent designs
  • High transparency and flexibility with copper grid layer
  • Ideal for creating inconspicuous antennas for diverse indoor and outdoor applications
  • Incorporates a copper surface treatment to reduce reflected light
  • Uses a flexible PET substrate for easy application and lamination onto rigid supports
  • Utilizes 3M technology for high power handling and low resistivity

Applications

  • 5G IoT transparent antennas
  • 5G transparent antennas for vehicles, trains, building windows, street luminaries
  • Antenna power capabilities up to 50W (continuous)
  • EMI/EMC applications such as RF shielding for windows
  • Indoor and outdoor inconspicuous sub-6GHz antenna designs

Technical Specifications

Parameters Values
Minimum bend radius 10mm
Supported frequency range 3GPP FR1
Sheet resistance  <0.05Ω
Haze <2%
Operating temperature range -40°C to +100°C
Maximum power 50W