Engineering Cases
Engineering Cases focuses on real PCB engineering reviews, manufacturing challenges, and production optimization processes from actual fabrication projects. This category highlights how different PCB designs are evaluated and adjusted during engineering review, covering topics such as stack-up analysis, impedance control, drill optimization, copper balancing, solder mask alignment, DFM review, and production risk assessment across various PCB applications. The content in this section is based on practical manufacturing scenarios rather than theoretical introductions. Each engineering case demonstrates how specific PCB issues are identified, analyzed, and resolved during production preparation and fabrication. These records help engineers, purchasers, and hardware teams better understand the relationship between PCB design decisions and manufacturing stability, yield control, and process reliability. Topics may include multilayer PCB engineering review, HDI process optimization, flexible PCB manufacturing considerations, heavy copper processing adjustments, surface finish selection, Gerber data verification, and other real-world PCB production experiences. By organizing engineering challenges and process solutions into structured case content, this category provides valuable insight into practical PCB manufacturing and engineering workflow management.
Featured Blog
PCB Hole Attributes and Special Drilling: Common CAM Review Conflicts
See how CAM reads PCB hole attributes and special drilling—PTH vs NPTH, back drill, press-fit holes, countersink, and laser vias—and why incomplete data delays fabrication.
Latest Blogs
How 2-Layer FR4 TG170 PCB CAM Resolves Via Plugging & Panel Issues
FR4 TG170 2-layer PCB CAM review reveals selective via plugging, panel size mismatches, and silkscreen overlaps. Learn root causes and DFM fixes for reliable production.
14 Layer TG170 PCB Manufacturing Review for Impedance and Resin Plugging
Real engineering case on a 14-layer 2.0mm TG170 PCB where CAM review revealed solder mask opening problems, resin plugging ambiguities, copper-to-edge clearance issues, and impedance conflicts. Learn how our team resolved these DFM challenges to ensure reliable production and avoid yield loss.
PCB CAM Review: Fix V-Cut & Via Spacing to Avoid Delays
Prevent production scrap with professional PCB CAM insights. This case study covers critical V-cut clearance, 0.25mm via drillability, and Gerber data conflicts. Optimize your outer layer production capability and ensure a flawless cosmetic PCB review by fixing common design-to-manufacturing gaps today.
6-Layer 2oz Heavy Copper FR-4 PCB Engineering Review: Edge Clearance, Hole Attribute Conflicts and Silkscreen Overlap Case
Senior PCB CAM engineer analyzes a real 6-layer 2oz heavy copper FR-4 TG150 PCB case. Explore key DFM issues including board edge clearance, PTH/NPTH hole attribute conflicts, silkscreen overlap on pads, and how timely engineering review prevents manufacturing defects and yield loss.
Why Your 20 Layer PCB Fails CAM: Trace Space & Impedance Fixes
Get expert insights from an Aivon PCB review on 20 layer PCB production. Learn how to resolve critical 3 mil trace space errors, stackup inconsistencies, and impedance mismatches during the PCB CAM stage to ensure high-reliability manufacturing.
Rigid-Flex 8-Layer PCB Stackup, Via-in-Pad & Transition Zone Fixes
Senior PCB CAM engineer presents a real rigid-flex 8-layer PCB DFM case study. Detailed review of stackup optimization, copper weight clarification, via-in-pad filling & capping under BGA, flex-rigid transition challenges, and critical engineering questions resolved during CAM review. Essential DFM lessons for reliable rigid-flex manufacturing.
How We Fixed Solder Mask Bridges, Copper Density & Via Issues in Thin 6-Layer HDI PCB
Discover real CAM engineering challenges in a thin 6-layer HDI PCB including solder mask bridge failures on tight SMD pads, low inner layer copper density causing resin starvation, 0.2mm laser blind vias, and panelization optimization. Learn practical DFM solutions and resolutions from our factory review.
How to Prevent Buried Via Plating and Stackup Mismatch Issues in 8-Layer TG170 PCB
Real 8-layer FR-4 TG170 PCB CAM review case with copper weight mismatch, buried via plating feasibility, solder mask conflicts, and stackup confirmation. Learn DFM solutions for impedance, via structures, and lamination to avoid reliability failures and ensure smooth multilayer production.
How to Prevent Lamination Failures in 8-Layer HDI PCBs
Senior PCB CAM engineer shares a real 8-layer HDI blind via PCB engineering review. This DFM case study highlights critical issues including low inner layer copper density causing lamination risks, NSMD BGA pads with silkscreen problems, blind via mask openings, and panelization optimization.
How to Resolve Buried Via Stackup and Panelization EQs on TG170 8-Layer PCBs
Real TG170 8-layer case: how CAM fixed 2-7 buried via stackup, process-edge direction, thickness conflicts and marking gaps to protect registration, yield and 9-day delivery.
2-Layer 4mm Thick PCB DFM Case: Panelization, Via Tenting & Tooling Hole Challenges
Senior PCB CAM engineer analyzes a real 2-layer 4mm thick narrow PCB DFM case. This engineering review covers critical issues including panelization strategy with stamp holes, high aspect ratio via tenting risks on thick board, NPTH hole sizing, tooling holes, and key manufacturing challenges resolved before production.
How to Fix Tight Pad Spacing and Impedance EQs in 8-Layer PCB CAM Review
Real 8-layer impedance-controlled PCB CAM review case with tight hole-to-pad spacing, solder mask bridge issues, stackup confirmation, and via/slot mask conflicts. Learn DFM solutions for ENIG finish, impedance control, and reliable multilayer production to avoid assembly defects and delays.
