The Chemical Connection: Don’t Just Blame the Etcher
Nolan's Notes: ConvergenceRogers Launches Laminates for Automotive Radar Sensor Applications
December 12, 2016 | Rogers CorporationEstimated reading time: 1 minute
Rogers Corporation announced the latest addition to its RO4000® Series thermoset circuit materials: RO4830 high-frequency laminates. RO4830 laminates offer 76-to-81-GHz auto radar sensor designers a lower-cost-but-performance-competitive option. Rogers RO4830 laminates have a lower price point and are processed by means of standard epoxy/glass (FR-4) circuit fabrication methods, for lower overall production costs versus PTFE-based circuits.
Available in dielectric thicknesses of 0.005 and 0.0094 inch, RO4830 laminates are suited for cap layers on FR-4 multi-layer PCB designs. The optimized resin, glass and filler content of RO4830 laminates translates to a relative dielectric constant (Dk) of 3.2 at 77 GHz, close to matching that of the PTFE-based circuit materials typically used for millimeter-wave circuits. At 76-to-81-GHz, thin laminate insertion loss is heavily influenced by copper foil roughness, and therefore RO4830 laminates are clad with Rogers LoPro® reverse-treated copper foil to achieve very low insertion loss of 2.2 dB/inch for 5 mil laminates, as measured by the microstrip differential phase length method.
Spread glass and a filler with a smaller and more uniform particle size distribution contribute to consistent within sheet dielectric constant as well as good laser drilling performance. The RO4830 laminates are based on the same anti-oxidant formula used in Rogers RO4835™ laminates and are more resistant to oxidation than other hydrocarbon-based laminates.
Rogers RO4830 high frequency thermoset laminates are available in standard panel sizes of 12 × 18 in. (305 × 457 mm), 24 × 18 in. (610 × 457 mm), and 48 × 36 in. (1220 × 914 mm) with 0.5 oz. (18 µm) or 1.0 oz (35 µm) reverse-treated EDC foil.
About Rogers Corporation
Rogers Corporation is a global technology leader in engineered materials to power, protect, and connect our world. With more than 180 years of materials science experience, Rogers delivers high-performance solutions that enable clean energy, Internet connectivity, advanced transportation and other technologies where reliability is critical. Rogers delivers Power Electronics Solutions for energy-efficient motor drives, vehicle electrification, and alternative energy; Elastomeric Material Solutions for sealing, vibration management, and impact protection in mobile devices, transportation interiors, and performance apparel; and Advanced Connectivity Solutions materials for wireless infrastructure, automotive safety and radar systems. Headquartered in Connecticut (USA), Rogers operates manufacturing facilities in the United States, China, Germany, Belgium, Hungary, and South Korea, with joint ventures and sales offices worldwide. For more information, click here.
Rogers Corporation is a global technology leader in engineered materials to power, protect, and connect our world. With more than 180 years of materials science experience, Rogers delivers high-performance solutions that enable clean energy, Internet connectivity, advanced transportation and other technologies where reliability is critical. Rogers delivers Power Electronics Solutions for energy-efficient motor drives, vehicle electrification, and alternative energy; Elastomeric Material Solutions for sealing, vibration management, and impact protection in mobile devices, transportation interiors, and performance apparel; and Advanced Connectivity Solutions materials for wireless infrastructure, automotive safety and radar systems. Headquartered in Connecticut (USA), Rogers operates manufacturing facilities in the United States, China, Germany, Belgium, Hungary, and South Korea, with joint ventures and sales offices worldwide. For more information, click here.
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