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Designing Proper Planes
Without planes, designers would have to create thousands of traces to accomplish the same objectives. Power planes provide low impedance and stable power, and ground planes stabilize reference voltage, improve thermal performance, and help preclude EMI issues.
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Current power demands are increasing, especially with AI, 5G, and EV chips. This month, our experts share “watt’s up” with power integrity, from planning and layout through measurement and manufacturing.
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If you don’t have signal integrity problems now, you will eventually. This month, our expert contributors share a variety of SI techniques that can help designers avoid ground bounce, crosstalk, parasitic issues, and much more.
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Rogers to Show High-Speed and Millimeter Wave Materials at DesignCon 2019
January 28, 2019 | Rogers CorporationEstimated reading time: 2 minutes
Rogers Corporation will return to DesignCon in Santa Clara, California (at booth #421) and show some of its high-performance circuit materials: XtremeSpeed RO1200 laminates and RO4000 products used in multilayer structures which include a family of thin laminates, bonding materials, and sheeted copper foil options.
DesignCon is a premiere event for electronic design engineers working on circuit and system levels, now in its 24th year. Held at the Santa Clara Convention Center, the event takes place January 30-31.
Visitors to Rogers’ booth will be able to learn more about:
XtremeSpeed RO1200 Laminates
XtremeSpeed RO1200 high speed, extremely low loss laminates, with a low dielectric constant of 3.05, and a maximum dissipation factor of 0.0017 @10 GHz, provide outstanding signal integrity, reduced signal skew, and reduced cross-talk. Combined with superior thermal/mechanical performance, low CTE, and a halogen free UL 94 V-0 rating, these laminates are well suited for the most demanding high layer count applications.
As channel speeds rise to 112Gbps and beyond, hardware designers need high performance circuit materials with superior electrical properties for applications like Network Infrastructure, High Performance Computing, and Test & Measurement. XtremeSpeed RO1200 circuit materials are engineered to meet the unique electrical and thermal/mechanical demands of high speed designs and enable system designers the flexibility to design leading edge systems that maximize data throughput and minimize latency in performance demanding applications.
RO4000 Products for Multi-Layer Structures:
Next-generation products designed to meet the existing and emerging needs of advanced millimeter wave multi-layer designs. RO4835T laminates, offered in a 2.5 mil, 3 mil and 4 mil core thickness, are 3.3 Dk, low loss, spread glass reinforced, ceramic filled thermoset materials designed for inner-layer use in multilayer board designs, and they complement RO4835 laminates when thinner cores are needed.
RO4450T 3.2-3.3 Dk, low-loss, spread glass reinforced, ceramic filled bonding materials were designed to complement RO4835T laminates and the existing RO4000 laminate family, and come in 3 mil, 4 mil or 5 mil thicknesses.
RO4835T laminates and RO4450T bonding materials exhibit excellent Dk control for repeatable electrical performance, a low z axis expansion for plated through-hole reliability, and are compatible with standard epoxy/glass (FR-4) processes. These materials are an excellent choice for multilayer designs requiring sequential laminations, as fully cured RO4000 products are capable of withstanding multiple lamination cycles. RO4835T laminates and RO4450T bondplys have the UL 94 V-0 flame retardant rating, and are compatible with lead-free processes.
Lastly, CU4000 and CU4000 LoPro Foils are sheeted foil options for designers looking for foil lamination builds, and provide good outer layer adhesion when used with RO4000 products.
About Rogers Corporation
Rogers Corporation is a global 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, and safety and protection applications, as well as other technologies where reliability is critical. Rogers delivers Power Electronics Solutions for energy-efficient motor drives, e-Mobility and renewable energy; Elastomeric Material Solutions for sealing, vibration management and impact protection in mobile devices, transportation interiors, industrial equipment and performance apparel; and Advanced Connectivity Solutions for wireless infrastructure, automotive safety and radar systems. Headquartered in Arizona (USA), Rogers operates manufacturing facilities in the United States, China, Germany, Belgium, Hungary, and South Korea, with joint ventures and sales offices worldwide.
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Brent Fischthal - Koh YoungSuggested Items
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The Shaughnessy Report: Zee Plane! Zee Plane!
11/11/2025 | Andy Shaughnessy -- Column: The Shaughnessy ReportPlanes aren’t magic, but they are big time-savers. Without planes, designers would have to create thousands of traces to accomplish the same objectives. You can imagine the first time a designer thought about using a sheet of copper, asking, “Hey, why am I killing myself laying out all these traces? Can’t I just use this sheet of copper instead?”
November 2025 Design007 Magazine: Proper Plane Design
11/10/2025 | I-Connect007 Editorial TeamWithout planes, designers would have to create thousands of traces to accomplish the same objectives. Power planes provide low impedance and stable power to every component on the board, much like a large power bus. Ground planes stabilize reference voltage, improve thermal performance, and help preclude EMI issues. Power and ground plane design is often a battle of tradeoffs.
Trouble in Your Tank: Understanding Interconnect Defects, Part 1
11/04/2025 | Michael Carano -- Column: Trouble in Your TankThis month, I’ll address interconnect defects (ICDs). While this defect continues to rear its ugly head, don’t despair. There are solutions, most of which center on process control and understanding the relationship of the chemistry, materials, and equipment. First, though, let’s discuss ICDs.