circuitnet
Sponsor
DL Technology
Start Micro Dispensing Today
The DL Micro Valve is specifically designed for dispensing micro volumes of material in precise, repeatable patterns. Learn more about the DL Micro Valve.
DL Technology
Ask the Experts
QFN Test Failures Caused by Flux
We have a PCBA with a QFN44. We use a no-clean flux. We have encountered many test failures during testing. A test engineer claims that the failures are due to flux residue ...
Responses by:
Mike Bixenman
CTO, Kyzen Corp.
Gary Freedman
President, Colab Engineering
Fritz Byle
Process Engineer, Astronautics
Leo Lambert
Vice President, Technical Director, EPTAC Corporation
Edithel Marietti
Senior Manufacturing Engineer, Northrop Grumman
Tony Lentz
Field Applications, FCT Assembly
Greg York
Technical Sales Manager, BLT Circuit Services Ltd
Mitch Holtzer
Director of Reclaim Business, Alpha Assembly Solutions
Terry Munson
President/Senior Technical Consultant, Foresite
Rick Perkins
President, Chem Logic
Eric Camden
Lead Investigator, Foresite, Inc
Kay Parker
Technical Support Engineer, Indium Corporation
■ Competing Reflow Oven Zones
■ Confused About IPC-A-610 Class 2 vs. Class 3
■ Burned Chip Repair
■ Idle Wave Solder Temperature
■ IPC 610 Class 3 with Missing Non-functional BGA Pads
MORE ASK THE EXPERTS
Five Challenges, Proven Solutions
Sponsor
Circuit Technology Center
Repair PCB Damage In-House
Get the tools and materials you need for reliable circuit board repair—from replacement pads and circuit tracks to plated-hole repair kits and epoxies.
Circuit Technology Center
Industry Calendar
■ Apr 5, 2027: APEX EXPO 2027
■ Apr 13, 2027: Symposium on Counterfeit Parts and Materials - UK
■ Aug 12, 2027: High Reliability Cleaning and Conformal Coating Conference
FULL INDUSTRY CALENDAR
 Next Gen Inline 3D X-ray Inspection
Sponsor
KYZEN
Maintenance: The Basics of Cleaning Series Part 4
This is the final paper in a series and discusses some of the common mistakes in maintenance cleaning applications found in electronic assembly operations.
KYZEN
What Year Was It?
The day was Oct 30. What year was it?
Orson Welles Scares Nation
What Year
Orson Welles causes a nationwide panic with his broadcast of "War of the Worlds", a realistic radio dramatization of a Martian invasion of Earth.
See the answer below.
Sponsor
Essegi Automation
Automated Storage for High-Mix EMS Production
High mix electronics manufacturing requires reliable material management. This white paper explains how BMK enhanced traceability, inventory accuracy and picking efficiency using integrated automated storage, digital workflows and reel-level visibility.
Essegi Automation
Test & Inspection
What Year Was It Answer
Orson Welles Scares Nation
Answer: October 30, 1938
Oct 30, 2026
image
Samsung Raises Spending to 60% After AI Chips Sell Out
Samsung plans to boost capital spending by over 60% to 84.4 trillion won as AI chip demand surges, but disappointing earnings and delayed shareholder payout plans unsettle investors. The company aims to challenge SK Hynix in advanced memory production.
Taipei Times
Sponsor
BEST Inc
J-STD-001 Solder Training Kit
BEST's IPC J-STD-001 Revision H-J training kit features circuit boards representing actual soldering conditions including multilayer boards with challenging thermal conditions.
BEST Inc
HP and Asus are moving PC production back to China as soaring component costs force a rethink
Rising component costs are prompting HP and Asus to shift some PC manufacturing back to China, while Dell considers following suit. Established supply chains, infrastructure, and cheaper inputs make China attractive despite ongoing diversification efforts.
TechSpot
Digital Warehouse Automation in High-Mix PCB Assembly
High mix SMT production demands full material visibility. This white paper shows how ASTER improved traceability, inventory accuracy and FIFO control through integrated automation and reel-level tracking across warehouse operations.
Technical Paper
Microsoft plans to raise $25 billion in debt as it pursues AI buildout
Microsoft plans to raise $25 billion through bond offerings to fund its expanding AI infrastructure, leveraging its AAA credit rating. The company targets $170 billion in 2026 capital expenditure to meet growing demand from AI clients, including OpenAI and Anthropic.
CNBC
Sponsor
Viscom SE
iX7059 SMT Edition: Next-Gen 3D X-ray
Experience high-precision inline 3D X-ray inspection by Viscom with AI-powered defect detection, exceptional image quality, and reliable performance for complex SMT assemblies.
Viscom SE
The AI buildout's carbon bill could undo 15 years of power sector emissions cuts
The Sierra Club estimates that planned US AI data centers could increase power sector carbon emissions by 42% between 2025 and 2030, reversing 15 years of reductions. Growing reliance on fossil fuels raises further environmental concerns.
TechSpot
Screen Printing and Humidity
Solder paste is drying out inside our screen printer. How can we increase humidity to slow drying of our solder paste?
Board Talk
Technical Papers

■ 5 Major Challenges in Image Sensor Packaging and How to Solve Them
■ The Analysis of Variance: Drawing Conclusions from Data That Are Correct, Unambiguous, and Defensible
■ Oxide Reduction for Reliable Electronics Manufacturing
■ UHDI Fabrication for IC Substrates: SAP and mSAP Processes
■ Flux-Free, Reliable, Efficient: Soldering with Formic Acid
■ Redesigning Material Logistics for High-Mix EMS Production
■ Unlocking Academic-Industry Synergy: A Collaborative Model for Hands-On Electronics Manufacturing Education
■ Viscosity Does Not Equal Rheology: What Solder Paste Measurements Really Tell You
MORE TECHNICAL PAPERS
Sponsor
ECD
Affordable Profiling Excellence
Four channels of precision data capture from the most trusted name in thermal profiling. New and improved V-M.O.L.E.™ 2 is the ideal solution for budget-conscious electronics pros. Learn more here.
ECD
Foxconn still invested in shifting GM plant to data center components
Foxconn continues transforming Lordstown's former General Motors assembly plant into a manufacturing hub for data center components, including servers and computing hardware. The project aims to strengthen the regional economy, create jobs and support data center demand.
Yahoo!
Intel stock plunges 21% as chipmaker blames PC slowdown for weak guidance
Intel shares plunged over 20% after issuing a disappointing fourth-quarter forecast, citing weak PC demand and factory disruption. Despite 21% revenue growth and strong AI sales, rising costs and production challenges threaten near-term performance.
CNBC
NASA DOD SAC305/SN100C Copper Dissolution Testing
In lead-free solder alloys, the reaction of the tin/copper is faster than of tin-lead solders/copper, which increases the degradation of the plated copper connections.
Technical Paper
Sponsor
Air-Vac Engineering
High Precision Component Milling
Automatic Removal of Electronic Components including Residual Solder on Heat Sensitive Assemblies.
Air-Vac Engineering
Consumer Appetite for Personal AI Goes Mainstream
Consumers are embracing AI-powered wearables as proactive personal assistants, driving demand for personalized AI, seamless connectivity and voice interaction. Qualcomm's survey also highlights privacy, security and user control as critical adoption factors.
IEEE Spectrum
Chinese markets lose trillions as race for AI supremacy with US takes its toll
China's stock market has lost $2.4 trillion since May as AI shares tumble amid weak consumer demand, shrinking profits and US restrictions. Despite heavy government investment, investor anxiety threatens Beijing's ambitions to dominate global AI development.
Taipei Times
Process Control and Reliability of Reworked BGAs
The lead-free solder does not wet metal surfaces as well as tin-lead metallurgy. This narrows down the process window for lead-free solder.
Technical Paper
Sponsor
Smart Sonic
EPA Verified Stencil Cleaning Systems
Low power density ultrasonic cleaners combined with 440-R-SMT detergent provide safe and effective cleaning of stencils, pallets, oven radiators, misprints and SMD adhesives.
Smart Sonic
Apple's innovation myth is shattering
Apple faces mounting criticism as iPhone 18 Pro and iPhone Duo users report serious hardware and software failures. Allegations of relaxed quality checks and rushed testing raise concerns about innovation, reliability, and declining consumer trust.
Global Times
A Redesigned Steering Wheel For Self-Driving Cars
Design firms propose ways to make autonomous vehicle ethics more transparent, giving passengers control over safety priorities or letting communities vote on shared standards. The concepts aim to shift life-or-death decisions beyond automakers.
Fast Company
Sponsor
Summit Interconnect
The Battle for Space Superiority Has Begun
The next conflict may begin in orbit. Learn why resilient space systems and advanced manufacturing matter more than ever.
Summit Interconnect
Smarter Power Sequencing with GreenPAK
GreenPAK configurable mixed-signal ICs simplify complex power sequencing by integrating voltage monitoring, timing, fault detection, and shutdown control. Their hardware-based flexibility reduces components, board space, costs, and design changes across modern electronic systems.
EE Times
Measuring Copper Surface Roughness for High Speed Applications
This paper examines the use of light interferometry and the relevant parameters used to measure copper surface roughness before and after oxide alternative.
Technical Paper
Alphabet tanks nearly 13% for worst day ever, losing $500 billion in value
Alphabet shares plunged 13%, erasing $500 billion in market value as weak search ad revenue and disappointing cash flow rattled investors. Microsoft maintained confidence with lower-than-expected spending and positive cash flow amid AI investment scrutiny.
CNBC
U.S. worker job engagement hits lowest level since 2011, new Gallup poll finds
Gallup reports U.S. employee engagement fell to 29% in Q3 2026, its lowest level since 2011. Remote and hybrid workers at AI-adopting organizations drove the decline, raising concerns about workplace communication, managerial support and AI implementation.
CNBC
Sponsor
Ormet TLPS
Highly Thermally & Electrically Conductive TLPS via Filing Paste
New filing highlights advanced sintered metal paste enabling faster installation, superior heat dissipation, higher conductivity, and reliable thermal drain performance without long processing cycles.
Ormet TLPS
Your Robot's Safety Functions Already Work. What If the Input Lies?
VicOne LAB R7 demonstrates how manipulated sensor readings, visual cues, audio signals and control messages can alter robot behaviour, potentially bypassing safety protections. The findings highlight growing cybersecurity risks and the need for stronger safeguards.
IEEE Spectrum
Today's Sponsor
Sponsor
Sponsor
Plasmatreat GmbH
Plasma as a Key Technology
Plasma technology improves electronics manufacturing, reduces oxide layers, prevents delamination & enables environmentally friendly products by using Openair-Plasma® & PlasmaPlus®.
Plasmatreat GmbH
Test Your Knowledge
What is the largest flat fish species?
See answer below.
Industry Press
The Test Connection Inc. (TTCI)'s Design for Testability Services Earn Global Technology Award
The Test Connection, Inc. (TTCI)
Controlar Honored with Global Technology Award for PicAI Test Platform
Controlar
SMarTsol Technologies Earns Dual Global Technology Awards for Automation Innovation and Market Leadership
SMarTsol Technologies
Distron Corporation Awarded 2025 Global Technology Award for Leadership in Scalable Contract Manufacturing
Distron Corporation
Kurtz Ersa Win 2026 Global Technology Award for the VERSAFLOW FIVE
Kurtz Ersa North America
MIRTEC Wins 2026 Global Technology Award for Innovative GENESYS-CC AI-Based Conformal Coating AOI Series
Mirtec Corp
Surf-Tech Manufacturing Corp. Wins Global Technology Award in Contract Manufacturers
Surf-Tech Manufacturing Corp.
Absolute EMS Earns 2026 Service Excellence Award Across Seven Customer-Rated Categories
Absolute EMS
FUJI Corporation's Automated Nozzle Setup and Changeover Earns a 2026 Global Technology Award
Fuji America Corporation
KIC's SPS and X5 Profilers with Fan Speed Prediction Honored with 2026 Global Technology Award
KIC
Green Circuits Wins Global Technology Award in Contract Services
Green Circuits
MORE INDUSTRY PRESS
Complete Solutions
Sponsor
Advanced Interconnections Corp.
Need Improved Solder Joint Visibility?
Solder Peel-A-Way® Removable Terminal Carriers in place and peel the carrier away for complete solder joint visibility on both sides of the PCB. Watch a video to see it in action.
Advanced Interconnections Corp.
Quote of the Day
"The problem with the rat race is that even if you win, you’re still a rat."
Lilly Tomlin
Sponsor
SCHUNK
What are your economic depaneling needs?
Our depaneling machines are high-performance machines for single circuit boards with electronic components. The cutting principles are fast, the best quality.
SCHUNK
Semicon Europa
Cartoon of the Day
Cartoon
"If at first you don't succeed - celebrate! You're one failure closer to your goal!"
Copyright © Randy Glasbergen
Sponsor
Viscom
iX7059 Series by Viscom: Inline X-ray Inspection Power
High-performance Inline X-ray Inspection Systems for complex electronics, semiconductors, and power modules up to 200 kg. Seamless integration, AI-powered accuracy, and maximum reliability for every application.
Viscom
Thermal Cycle
Test Your Knowledge Answer
What is the largest flat fish species?
Answer: Halibut