Printed Circuit Board
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Structure-Guided Mixed Masked Pretraining and Spatial Continuity Regularization for Printed Circuit Board Defect Detection
Announce Type: new Abstract: Printed circuit board (PCB) defect detection is an essential part of automated optical inspection (AOI); yet it remains challenging in practice because many defects are tiny, low-contrast, and embedded in dense circuit backgrounds. To address these issues, this paper presents a two-phase PCB defect detection framework that combines structure-guided mixed masked pretraining with spatial continuity regularization. In the pretraining stage, we design a sparse...
Hidden beneath AI chips, Chinese-made circuit boards raise national security concerns in U.S.
Printed circuit boards sit underneath almost every chip, a necessity in nearly every electronic. They make up a quiet but crucial piece of the booming artificial intelligence market, and represent a growing problem for the U.S., because nearly all AI circuit boards, for Nvidia and others, are made in China. Circuit boards present all sorts of opportunities for adversaries to sneak through malicious components.
pcbGPT: Automatic PCB Schematic Synthesis from Natural Language Requirements
arXiv:2606.01188v1 Announce Type: new Abstract: Translating natural-language hardware requirements into correct printed circuit board (PCB) schematics remains difficult in embedded, IoT, and wearable development. Designers must choose compatible components, interpret datasheets, add support circuitry, and expose correct interfaces before layout and prototyping can begin, while many such circuits cannot be validated through straightforward simulation.
OmniSch: A Multimodal PCB Schematic Benchmark For Structured Diagram Visual Reasoning
arXiv:2604.00270v4 Announce Type: replace Abstract: Recent large multimodal models (LMMs) have made rapid progress in visual grounding, document understanding, and diagram reasoning tasks. However, their ability to convert Printed Circuit Board (PCB) schematic diagrams into machine-readable spatially weighted netlist graphs, jointly capturing component attributes, connectivity, and geometry, remains largely underexplored, despite such graph representations are the backbone of practical...
Inflation inside the electronics you buy may soon become a bit more sticky
Anyone with evergreens in their yard probably knows the familiar feeling of putting their hand on the trunk and coming away with a sticky film on their fingers. This sticky stuff is better known as resin. Under the right conditions, tree resin hardens.
Ahoy, DECmate II the little PDP-8 that could
Now, that's a lot of word processing. But under the hood it's still at least PDP-8 adjacent, even considering its oddities and incompatibilities, and you can make it do many of the things a full-size Eight can. We'll take this basic unit, convert the floppy drives to solid state, tap the video output, and put it through its paces.
Nearly 100,000 Honda vehicles recalled over airbag issues
Honda is recalling nearly 100,000 vehicles due to airbag complications, according to the National Highway Traffic Safety Administration. The safety regulator has flagged a defect that could trigger the unintentional deployment of airbags. Honda said the defect is in the front passenger seat’s weight sensor.
Near-Field Coupling of Polypropylene Dielectric Waveguide Routed Near PCB Board at Terahertz Frequencies
arXiv:2603.24966v2 Announce Type: replace Abstract: The growing demand for high-capacity, low-loss short-reach links in highly integrated electronic systems makes it necessary to understand how terahertz (THz) dielectric waveguides behave in realistic PCB-level packaging environments. In this article, we investigate the channel transmission of a 3D-printed polypropylene dielectric waveguide placed near representative PCB substrates. Continuous-wave THz measurements are carried out for bare,...
ALINC: Active Learning for Inductive Node Classification via Graph Sampling
Announce Type: new Abstract: Active learning (AL) for node classification typically focuses on selecting the most informative nodes for annotation within one or a few large graphs (e.g., in social network analysis). However, in other domains, such as molecular chemistry or electronic design automation, datasets consist of thousands of independent graphs. In many of these inductive settings, annotating an individual node requires a full-graph analysis, which effectively yields the remaining...
Broadcom's second-quarter revenue misses estimates as competition bites
Broadcom's second-quarter revenue misses estimates as competition bites June 3 : Broadcom missed Wall Street expectations for second-quarter revenue on Wednesday, as increased competition in the custom semiconductor market hurt gains from its AI chips, sending its shares down more than 11 per cent in extended trading. Second-quarter revenue came in at $22.19 billion, missing estimates of $22.27 billion, as Broadcom races with Nvidia whose dominant graphics processing units remain the...