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10 Layer HDI PCB Engineering for Microvias and BGA Escape

10 Layer HDI PCB Engineering for Microvias and BGA Escape

Figure 1. 10 layer HDI PCB engineering for microvias and BGA escape. Table of Contents When a 10 Layer Board Actually Needs HDI How to Read and Select 1+8+1, 2+6+2 and 3+4+3 Microvia Geometry, Capture Pads and Via-in-Pad Stacked, Staggered and Skip Microvias...

8 Steps to Manufacture a Perfect Aluminum PCB

8 Steps to Manufacture a Perfect Aluminum PCB

Figure 1. Aluminum Pcb manufacturing reference for PCB production review.An aluminum PCB exists for one reason: to get heat out of a circuit. By replacing the insulating FR-4 core with a metal base, an aluminum circuit board pulls heat away from power components and...

PCB Cost Per Square Inch: What Drives PCB Price and How to Reduce It

PCB Cost Per Square Inch: What Drives PCB Price and How to Reduce It

Figure 1. PCB cost per square inch image for PCB manufacturing review."Cost per square inch" is how many buyers try to benchmark PCB price — but the honest answer is that area is only one of many factors, and a small, complex board can cost far more per square inch...

PCB QR Code Size and Placement: Design Rules for Reliable Scanning

PCB QR Code Size and Placement: Design Rules for Reliable Scanning

Figure 1. PCB QR code size and placement image for PCB manufacturing review.PCB QR code size and placement determine whether scanners can read a board consistently through assembly, test, shipping, and field service. A code that is too small, too reflective, or too...

BT Resin PCB: Properties, Uses, and Fabrication Controls

BT Resin PCB: Properties, Uses, and Fabrication Controls

Figure 1. BT resin PCB image for PCB manufacturing review.Bismaleimide Triazine (BT) resin is a high-performance laminate prized where ordinary FR-4 runs out of thermal and electrical headroom — most famously as the substrate inside BGA and chip-scale IC packages. It...

Hard Drive PCB: Function, Failure Modes, and Manufacturing

Hard Drive PCB: Function, Failure Modes, and Manufacturing

Figure 1. hard drive PCB image for Highleap Electronics PCB manufacturing and assembly review.The hard drive PCB is the green board bolted to the underside of a 3.5" or 2.5" HDD. It runs the motor, positions the heads, manages the read channel, and talks to the host...

FFC vs FPC: Cable, Circuit, Connector Guide

FFC vs FPC: Cable, Circuit, Connector Guide

Figure 1. FFC vs FPC FFC and FPC are both thin, flat, flexible interconnects, but they are not the same thing. An FFC (flat flexible cable) is a simple cable, a set of parallel conductors laminated in plastic film, used as a flexible jumper. An FPC (flexible printed...