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Signal Integrity & Metallization
Signal integrity and additive manufacturing, particularly metallization, are hot topics in PCB design and fabrication. PCB layouts are carefully engineered to achieve specific electrical and power performance targets.
Beyond the Rulebook
What happens when the rule book is no longer useful, or worse, was never written in the first place? In today’s fast-moving electronics landscape, we’re increasingly asked to design and build what has no precedent, no proven path, and no tidy checklist to follow. This is where “Design for Invention” begins.
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From the growing role of AI in design tools to the challenge of managing cumulative tolerances, these articles in this issue examine the technical details, design choices, and manufacturing considerations that determine whether a board works as intended.
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SigmaTron Receives Nasdaq Notice Regarding Late Form 10-K Filing
August 22, 2024 | Globe NewswireEstimated reading time: 1 minute
SigmaTron International, Inc. announced that on August 16, 2024, it received a delinquency notification letter from the Nasdaq Stock Market LLC (Nasdaq) indicating that the Company is not in compliance with the continued listing requirements under Nasdaq Listing Rule 5250(c) because the Company did not timely file its Form 10-K for the fiscal year ended April 30, 2024 (the Form 10-K). The notification letter has no immediate effect on the listing or trading of the Company’s common stock on the Nasdaq Capital Market.
The Company filed a Notification of Late Filing on Form 12b-25 on July 30, 2024, indicating that the filing of the Form 10-K would be delayed because the Company requires additional time to complete its year-end close procedures in light of ongoing negotiations with the Company’s lenders with respect to amendments to the credit agreements with J.P. Morgan Chase Bank, N.A. and TCW Asset Management Company, as Administrative Agent. These processes require significant resources from the Company’s financial, accounting and administrative personnel and, as a result, the Company requires additional time to complete its quarterly review, including the preparation and finalization of its Form 10-K.
Nasdaq has informed the Company that the Company must submit a plan of compliance (the “Plan”) within 60 calendar days, or no later than October 15, 2024, addressing how it intends to regain compliance with Nasdaq’s listing rules and, if Nasdaq accepts the Plan, it may grant an extension of up to 180 calendar days from the Form 10-K original filing due date, or until February 12, 2025, to regain compliance.
The Company is working on completing the Form 10-K.
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Sweeney Ng - CEE PCBSuggested Items
Punching Out: How Are the Big Boys in Electronics Doing?
05/12/2026 | Tom Kastner -- Column: Punching Out!Let’s see what the public companies are up to in the PCB and EMS industries. In North America, there are only a couple of publicly traded PCB companies: TTM Technologies and Firan Technology Group. On the EMS side, there are a few more: Flex, Jabil, Celestica, Sanmina,, Benchmark, Fabrinet, Kimball Electronics, Plexus Corp, Nortech Systems, and Key Tronic Corp. From an M&A standpoint, these public companies have been fairly quiet in the past five years. FTG completed two deals in 2022 (IMI and Holaday), Flex had three deals, Jabil had five deals, and Sanmina had one deal.
I-Connect007 Editor’s Choice: Five Must-Reads for the Week
05/08/2026 | Marcy LaRont, I-Connect007This week, I’ve selected some outstanding interviews that you’ll want to take note of. First, is a roundtable discussion featuring three dynamic industry cybersecurity experts. Please watch this important discussion that affects us all. Following that, I spotlight the IPC-2581 Consortium, which explains why IPC-2581 is the standard to replace Gerber data for manufacturing. Next, I am including my interview with PCBAA and AAM, who collaborated to release a short documentary on U.S. PCB manufacturing.
A Necessary Shift From Gerber to IPC-2581
05/07/2026 | Tracy Riggan, Global Electronics AssociationIPC-2581 is an open, vendor-neutral data exchange standard developed by the Global Electronics Association to streamline the exchange of PCB design information across fabrication, assembly, and test. It replaces multiple legacy formats—including industry standards, Gerber, and ODB++—with a single, comprehensive, XML-based dataset that captures all manufacturing details.
ViaSat-3 F3 Satellite Successfully Launches from Kennedy Space Center
05/04/2026 | BoeingBoeing mission controllers confirmed that the ViaSat-3 F3 (VS-3 F3) satellite is healthy in orbit following its successful launch aboard a SpaceX Falcon Heavy rocket at 10:13 a.m. ET from Kennedy Space Center (KSC) in Florida.
Microchip Expands Post-Quantum Root of Trust Controllers
04/29/2026 | MicrochipAs the industry embarks on the transition to post‑quantum cryptography (PQC), Microchip Technology is expanding its portfolio of Trust Shield, PQC‑ready devices with the TS1800 Platform Root of Trust controller and the TS50x secure boot controller.