Explanation of The Characteristics and Advantages of The Different Types of Plates in The Rogers RO Series
A. RO4000® Series
RO4000 hydrocarbon ceramic laminates and semi-cured sheets have been leading the industry. Widely used in microwave and millimeter wave designs, this low loss material is easier to use for circuit fabrication and provides consistent performance than traditional PTFE materials.
Compatible with FR-4 manufacturing process, stable dielectric constant (Dk), high thermal conductivity (.6-.8 W/m.K), compatible with lead-free soldering processes, low Z-axis CTE, ensures high reliability plated through holes, optimized price/performance ratio, Dk range (2.55-6.15), UL 94 V-0 flame retardant ratings.
B. RO4000®LoPro® Laminate
Utilizing Rogers' proprietary technology, it supports the pairing of inversion-treated copper foils to standard RO4000 series materials. The resulting laminate reduces conductor loss, improves insertion loss and signal integrity, while offering other desirable attributes of the standard RO4000 laminate system.RO4000 ceramic hydrocarbon laminates enable superior high frequency performance and low cost circuit fabrication. They can be processed using a standard epoxy/glass (FR-4) process, eliminating the need to go through a specialized preparation process, thereby reducing manufacturing costs.
Reduced insertion loss, support for higher frequency designs (above 40 GHz), reduced passive intermodulation (PIM) of base station antennas, reduced conductor losses, improved thermal performance of circuits.
C. RO4003C™ Laminate
Rogers RO4003C material is a proprietary glass cloth-reinforced, ceramic-filled hydrocarbon composite material that combines the electrical properties of PTFE/glass cloth with the processability of epoxy/glass.
RO4003C laminates are available in two different configurations with 1080 and 1674 glass cloth. All configurations have the same electrical performance specifications. RO4003C laminates have been subjected to stringent process control, the material has a consistent dielectric constant (Dk) and low loss characteristics, and its unique mechanical properties allow it to be processed in the same way as standard epoxy/glass at a much lower cost than traditional microwave laminates. Unlike PTFE microwave materials, this material requires no special through-hole processing or handling procedures.
RO4003C material is not brominated and is not UL 94 V-0 compliant. For applications or designs that require a UL 94 V-0 flame retardant rating, RO4835™ and RO4350B™ laminates can fulfill this requirement.
Dk 3.38+/-0.05, Df 0.0027 10GHz, Z-axis coefficient of thermal expansion 46 ppm/°C.
Ideal for multilayer board (MLB) structures, similar processing to FR-4, lower cost, designed for performance-sensitive, high-volume applications, cost-effective.
D. RO4350B™ Laminate
RO4350B material is a proprietary glass cloth reinforced, ceramic/hydrocarbon composite that combines the electrical properties of PTFE/glass cloth with the processability of epoxy/glass.
RO4350B laminates offer tight tolerance control of dielectric constant (Dk), along with low loss characteristics, and are processed in the same manner as standard epoxy/glass. RO4350B laminates do not require special through-hole treatments or handling procedures like PTFE materials, and are far less expensive to process than traditional microwave laminates. The material achieves a UL 94 V-0 flame retardant rating and is suitable for active device and high power RF designs.
Dk 3.48+/-0.05, Df 0.0037 10 GHz, Z-axis coefficient of thermal expansion 32 ppm/°C.
Processing similar to FR-4, lower cost, cost-effective, excellent dimensional stability.
E. RO4360G2™ Laminate
RO4360G2 laminates are glass-fiber reinforced, ceramic-filled, hydrocarbon thermosets with extremely low loss characteristics that provide a good balance between performance and processability.
RO4360G2 laminates are the first high dielectric constant (Dk) thermoset laminates with processing similar to FR-4. The material is available in a lead-free process and is stiffer, improving the processability of multilayer structures while reducing material and manufacturing costs.RO4360G2 laminates can be used in multilayer designs in conjunction with the RO4400™ series of semi-cured sheets, as well as with the lower dielectric constant RO4000® laminates.
Dk 6.15+/-0.15, Df 0.0038 10GHz, high thermal conductivity of 0.75 W/(m.K), Z-axis coefficient of thermal expansion of 28 ppm/°C, and high Tg greater than 280°C.
Automatizable assembly, high reliability plated through holes, environmentally friendly, compatible with lead-free processes, efficient supply chain and short lead times make the material a cost-effective choice.
F. RO4500™ Laminates
RO4500 series HF laminates are cost-effective materials designed to meet the needs of the antenna market.
RO4500 HF laminates are fully compatible with traditional FR-4 processing and high temperature lead-free soldering processes. These laminates can be prepared with plated through-holes without the special treatment required for traditional PTFE materials.The resin system of RO4500 material provides the necessary properties for ideal antenna performance. This product line is an affordable alternative to traditional antenna technology, helping designers to introduce the most cost-effective antenna products.
Dielectric constant (Dk) range: 3.3~3.5 (+/-0.08), loss factor: 0.0020~0.0037, available in large board sizes.
LoPro® copper foil provides excellent passive intermodulation (PIM) performance, better mechanical properties relative to PTFE materials, CTE matched to copper to reduce stress on PCB antennas.
G. RO4700™ Antenna Grade Laminates
RO4700 series antenna grade laminate is a highly reliable, high performance, low cost products, can replace the traditional PTFE laminate.
The resin system of RO4700 material provides the necessary characteristics for ideal antenna performance.RO4700 antenna grade laminates are fully compatible with traditional FR-4 and high temperature lead-free soldering processes. The material can be prepared for plated through-holes without the special processing required for traditional PTFE laminates. RO4700 laminates are a cost-effective alternative to traditional PTFE-based antenna materials, helping designers optimize antenna performance.
Dielectric constant: 2.55/3.0(+/-0.05), low Z-axis CTE: <30 ppm/°C, low TCDk, loss factor: .0022~.0029, high Tg, >280°C.
Low insertion loss, Dk match to standard PTFE antenna products, excellent passive intermodulation (PIM) performance, better performance consistency.
H. RO4830™ Laminate
RO4830 HF laminates are thermoset materials with high reliability and low cost.
RO4830 thermoset laminates are well suited for price-sensitive millimeter wave applications such as 76-81 GHz automotive radar sensors.RO4830 laminates can be fabricated using a standard FR-4 process, and are typically used for surface layer millimeter wave circuit designs in PCB applications for 76-81 GHz automotive radar sensors.
Design Dk: 3.24 77 GHz, very low insertion loss: 2.2 dB/inch 77 GHz, UL 94 V-0 flame-retardant rating, optimized filler, resin, and glass composite system, smooth LoPro® copper foil with inversion treatment.
Significant oxidation resistance, excellent laser drilling performance, stable and consistent dielectric constant, further reduces overall cost of PCB manufacturing, ideal for automotive radar sensor PCB applications.
I. RO4835™ Laminate
Rogers RO4835 laminate offers excellent stability at elevated temperatures and significant oxidation resistance.RO4835 laminate is a low-loss material that enables low-cost circuit fabrication in a process that is compatible with standard epoxy/glass (FR-4) processes.The laminate is available with Rogers' proprietary LoPro® inversion processed copper foil, ideal for applications with low insertion loss requirements.Characteristics:RoHS compliant, meets UL 94 V-0 flame retardant requirements, IPC-4103 compliant, Dk 3.48+/-.05, Df 0.0037 10GHz.Advantage:10X improved oxidation resistance compared to traditional thermosets, excellent electrical properties, ideal for high frequency applications, no blistering or delamination, highly reliable plated through-hole (PTH).10、RO4835IND™ LoPro® LaminateRO4835IND LoPro material provides low loss and stable RF performance for short range industrial radar applications from 60 to 81 GHz.RO4835IND LoPro thermoset laminates are ideally suited for 60-81 GHz short range (<30m) industrial radar applications where excellent electrical performance is as important as cost efficiency.RO4835IND LoPro laminates provide RF and interconnect stability, characteristics that are also important criteria for PCB selection.
Design dielectric constant (Dk) of 3.48 at 60 GHz; design Dk of 3.49 at 77 GHz, inversion-treated LoPro® electrolytic (ED) copper cladding, thermoset resin system with signature open-fiber glass cloth;Advantage:Excellent dielectric constant uniformity, low insertion loss at millimeter wave (mmWave) frequency conditions.11. RO4835T™ LaminateRogers RO4835T laminates are ceramic-filled thermosets with very low loss, open fiber glass cloth reinforcement.RO4835T complements RO4835™ laminates as an inner circuit core for multilayer boards (MLBs) when thinner laminates are required for the design and processing of MLBs. RO4835T laminates offer the characteristics of a high-performance material, with an optimal balance of price, performance, and durability, and can be fabricated using the standard FR-4 (epoxy/glass) process.Characteristics:Dielectric constant (DK) 3.3, excellent oxidation resistance, low loss, low CTE materials, UL 94 V-0 flame retardant rating.
CAF resistance, compatible with FR-4 process, minimizes local variation of dielectric constant, improves MLB design flexibility, high reliability PTH, compatible with automated assembly.
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