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Polar Instruments Announces Additive Transmission Line Support for Si9000e
August 20, 2025 | Polar InstrumentsEstimated reading time: 1 minute

Transmission lines embedded into the PCB surface are a feature of UHDI constructions. The 2025 fall release of Polar's Si9000e PCB impedance & insertion loss transmission line field solver incorporates eight new single ended, differential and coplanar transmission line structures. With well in excess of 100 commonly used PCB transmission line structures the Si9000e allows designers, PCB technologists and PCB fabricators not only to solve for impedance or insertion loss, but also makes light work of exploring design space with a variety of tools for sensitivity analysis and the option to run Monte-Carlo simulations.
In addition to modeling loss and impedance, the Si9000e is capable of taking account of surface roughness effects and offers several industry standard methods for estimating the effects of surface profiles. Other useful features include a traffic signal warning for vias that require stub reduction by backdrilling, and the ability to estimate crosstalk. A further option extends crosstalk modelling to the coupling between differential pairs. Last but not least an alternative to 3d modeling of differential vias is included based on models provided by Bert Simonovich of Lamsim Enterprises.
Evaluation licenses are available and Si9000e may be commercially licensed from single user through to enterprise levels.
Contact Erik Bateham at Polar Instruments for more information.
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Capital Electro-Circuits Achieves ITAR Registration to Strengthen Aerospace and Defense Capabilities
10/06/2025 | Capital Electro-CircuitsCapital Electro-Circuits, Inc. (CEC), a U.S.-based manufacturer of mission-critical printed circuit boards since 1985, announced that it is now officially registered with the U.S. Department of State, Directorate of Defense Trade Controls (DDTC) under the International Traffic in Arms Regulations (ITAR).
Taiwan PCB Industry Projects NT$915.7 Billion Output in 2025, Driven by AI Demand
10/03/2025 | TPCATaiwan's PCB manufacturing output is projected to reach NT$218.2 billion in the second quarter of 2025, a 14.4% increase over the same period in 2024.
PCB West 2025 Showcases Success: An Interview with Mike Buetow
10/03/2025 | Marcy LaRont, I-Connect007For more than 30 years, PCB West has served the PCB and design industries in Silicon Valley, bringing together engineers, fabricators, and designers for technical sessions and networking. The show is organized by the Printed Circuit Engineering Association (PCEA), and this year, PCEA President Mike Buetow was named the association’s first Hall of Fame award recipient. Marcy LaRont spoke with Mike at PCB West to learn firsthand about its origins and mission.
I-Connect007 Editor’s Choice: Five Must-Reads for the Week
10/03/2025 | Andy Shaughnessy, I-Connect007It’s been a busy week. We’ve been covering PCB West, and we’ll be bringing you a variety of news and interviews from the show in the next few weeks. We’ll also be attending SMTA International later this month, and productronica as trade show season rolls on. This week, we have a number of interesting columns and news items. We start with a positive story about North American PCB sales, which were heading in the right direction in August. Don Ball writes about the ins and out of working with overseas partners, and there’s a great column by Dan Beaulieu on avoiding the temptation to offer discounts when your customer gets squirrely.
North American PCB Industry Sales Up 12.8% in August
10/02/2025 | Global Electronics AssociationThe Global Electronics Association announced the August 2025 findings from its North American Printed Circuit Board (PCB) Statistical Program. The book-to-bill ratio stands at 0.98.