ROGERS CLTE-AT™ Circuit Materials Excellent Dimensional Stability High Degree of Phase Stability vs. Temperature

时间： 2023-10-31 来源：ROGERS

技术问答

CLTE-AT™ laminates represent the commercial version of the CLTE™ product line. CLTE-AT laminates use the common building blocks developed with CLTE-XT™ laminates, 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 laminates.

CLTE-AT micro dispersed ceramic PTFE composites utilize a woven fiberglass reinforcement to provide the highest degree of dimensional stability, critical in multilayer designs. CLTE-AT laminates are in a “League of their Own” for registration when utilizing thin substrates (i.e. 0.005” and 0.010”).

CLTE-AT laminates have “Best-in-Class” Insertion Loss (S21) and Loss Tangent (0.0013) in the commercial marketplace and are second only to CLTE-XT laminates.

ROGERS’ CLTE-AT laminates were 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 laminates have Low CTE xyz and Very Low TCEr for applications that require Electrical Phase Stability, Dk Stability, and Mechanical Stability well over a -55 to 150℃ Operating Temperature. CLTE-AT laminates continue the competitive advantages of CLTE laminates (dimensional stability, low absorption of moisture and processing chemicals, ease of processability). The higher thermal conductivity of CLTE-AT laminates improves heat transfer relative to alternative materials and enables better power handling.

Features and Benefits:

Superior signal integrity

• Ceramic/PTFE Microwave Composite

• Mechanically more robust and more dimensionally stable than alternatives

• Lowest Insertion Loss in Commercial Class

Excellent thermal/mechanical performance characteristics

• Very Low Loss Tangent (0.0013)

• Electrical Phase Stability vs. Temperature

• High Thermal Conductivity

• Tight Dielectric Constant (±0.04) and Thickness Tolerance

Woven glass reinforcement

• Excellent Thermal Stability of Dk and Df

• Phase Stability across temperature

• High Degree of Dimensional Stability required for complex, multilayer boards

• Excellent CTE in X, Y and Z

Typical Applications:

• Automotive Radar & Adaptive Cruise Control Applications

• Microwave Applications/RF Applications

• Phase Sensitive Antennas/Temperature Sensitive Antennas

• Phase Sensitive Electronic Applications

• RF Filters and Microwave Filters

Standard Properties Table

Typical values are a representation of an average value for the population of the property. For specific cation values contact Rogers Corp.

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描述- Rogers Corporation is the world’s leading manufacturer of high performance dielectrics, laminates and prepregs used in microwave and RF printed circuit and related applications in Aerospace & Defense, Wireless & Wireline (digital) Infrastructure, Automotive Radar Sensor, Satellite TV, Mobile Internet Device and High End Chip Scale Packaging.

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