Product/Service

CLTE-AT: Commercial Ceramic PTFE Composite

Source: Arlon Materials for Electronics

CLTE-AT: Commercial Ceramic PTFE Composite
CLTE-AT represents the commercial version of the CLTE product line. CLTE-AT uses the common building blocks developed CLTE-XT, but, with some changes to make the product more affordable. This results in a higher dielectric constant (3.00) and a slightly different thickness than the CLTE-XT. To maintain its lower cost base, CLTE-AT has less options for copper style and panel sizes.

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Datasheet: CLTE-AT: Commercial Ceramic PTFE Composite

CLTE-AT represents the commercial version of the CLTE product line. CLTE-AT uses the common building blocks developed CLTE-XT, but, with some changes to make the product more affordable. This results in a higher dielectric constant (3.00) and a slightly different thickness than the CLTE-XT. To maintain its lower cost base, CLTE-AT has less options for copper style and panel sizes.

CLTE-AT is a micro dispersed ceramic PTFE composite utilizing a woven fiberglass reinforcement to provide the highest degree of dimensional stability, critical in multi-layer designs. CLTE-AT is in a "League of its Own" for registration when utilizing thin (i.e. 0.005" and 0.010").

CLTE-AT has "Best-in-Class" Insertion Loss (S21) and Loss Tangent (0.0013) in the commercial marketplace and second only to CLTE-XT. During Development, Arlon focused not only reducing Loss Tangent, but, also in reducing Conductive Losses.

The impact of copper foil roughness on conductor loss is due to increase in transmission line resistance as a result of skin effect. Arlon's CLTE-AT was designed to provide a quality peel strength without having to resort to the utilization of the lossier, rougher coppers prevalent in competitive products to achieve acceptable copper adhesion.

CLTE-AT has Low CTExyz and Very Low TCEr for applications that require Electrical Phase Stability, DK Stability, and Mechanical Stability well over a -55 to 150°C Operating Temperature. CLTE-AT continues the competitive advantages of CLTE (dimensional stability, low absorption of moisture and processing chemicals, ease of processability). The higher thermal conductivity of CLTE-AT improves heat transfer relative to alternative materials and enables better power handling.

Applications include sensitive filter applications, collision avoidance radar, adaptive cruise control, temperature stable antennas and other microwave and RF applications.

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Datasheet: CLTE-AT: Commercial Ceramic PTFE Composite