Taconic has over 35 years of experience coating fiberglass fabric with PTFE (polytetrafluoroethylene). This enables Taconic to manufacture copper clad PTFE/woven glass laminates with exceptionally well controlled electrical and mechanical properties.
Taconic TLE laminates are engineered to provide electrical, and mechanical properties to meet the requirements of complex microwave and high speed digital applications. The low Z-axis CTE of TLE laminates provides excellent plated through hole reliability. The low thermal expansion properties in the X and Y plane ensure high reliability in surface mount applications. The dielectric constant (Dk) exhibits minimal change over temperature. The Dk is typically offered at 2.95, with a tolerance of ±.05.
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TLE laminates can be sheared, drilled, milled, and plated using standard methods for PTFE/woven fiber-glass materials. The laminates are dimensionally sta-ble, and exhibit virtually no moisture absorption dur-ing fabrication processes.
TLE laminates are generally ordered clad on one or both sides with 1/2, 1, or 2 oz. electrodeposited cop-per foil. Contact our Customer Service Department for alternate claddings.
TLE laminates are tested in accordance with IPC-TM-650. A Certificate of Compliance containing actual test data accompanies each shipment.