circuitnet
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
Ask the Experts
Seeking Advise for a Solder Reflow Recipe
I have a new product coming in and need some ideas on reflow recipe creation. The pcb has a .040" copper core with 2 oz. copper on the top layer and 2 oz. ...
Responses by:
Richard D. Stadem
Advanced Engineer/Scientist, General Dynamics
Kevin Mobley
PCBA Engineering Liaison, General Atomics Electromagnetic Systems Group
Fred Dimock
Manager, Process Technology, BTU International
Tony Lentz
Field Applications, FCT Assembly
Paul Austen
Senior Project Engineer, Electronic Controls Design Inc
Mark Waterman
M.O.L.E. Line Product Manager, Electronic Controls Design, Inc. (ECD)
Mark Stansfield
Founder / Director, SolderStar Ltd
■ Cleanliness Standards for Electronic Components
■ Fastening Surface Mounted Connectors Before or After Refow?
■ Concerns With Silver Finish Component Leads
■ Hot Air Soldering for 0201s and 01005s
■ What is the IPC Definition of Uncommonly Harsh?
MORE ASK THE EXPERTS
REL61
Sponsor
Glenbrook Technologies
X-Ray Inspection Verifies Quality of Complex PCBs
A Netherlands-based PCB supplier relies on real-time X-ray inspection to ensure the quality of HDI, hybrid, multi- layer, flex-rigid & other complex boards.
Glenbrook Technologies
Industry Calendar
■ Oct 25, 2026: SMTA International Conference & Exposition
■ Oct 27, 2026: NEPCON ASIA 2026
■ 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
Rentals and Rent to Purchase x-ray Systems
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
What Year Was It?
The day was Oct 19. What year was it?
Victory at Yorktown
What Year
Hopelessly trapped at Yorktown, Virginia, British General Lord Cornwallis surrenders 8,000 British soldiers and seamen to a larger Franco-American force, effectively bringing an end to the American Revolution.
See the answer below.
Sponsor
Air-Vac Engineering
Large Component SMT Rework & Repair
A Rework System developed to address the increasing size, complexity, and thermal demands of Advanced Electronic Assemblies.
Air-Vac Engineering
UNDI Fabrication for IC Substrates
What Year Was It Answer
Victory at Yorktown
Answer: October 19, 1781
Oct 19, 2026
image
Apple iPhone Duo is Already Backordered Until 2027
Apple's first foldable iPhone, the iPhone Duo, faced delivery delays within minutes of pre-orders opening, with shipments pushed to January. Despite its $1,999 price, analysts project six million sales by 2026, although production challenges may limit availability.
TechSpot
Sponsor
Circuit Technology Center
Precision Circuit Board Modification
Need to make an engineering change without replacing the entire board? Circuit Technology Center provides IPC-compliant circuit board modifications.
Circuit Technology Center
Hon Hai unveils Mitsubishi deal
Foxconn will invest $727.5 million to acquire a 50% stake in Mitsubishi Electric Mobility through subsidiary Lin Yin International Investment. The partnership will combine Japanese automotive technology with Foxconn's manufacturing scale to expand global electric vehicle markets.
Taipei Times
Flux-Free, Reliable, Efficient: Soldering with Formic Acid
Whitepaper shows formic-acid-assisted, flux-free soldering enables reliable, nearly void-free joints for power semiconductors. The technology improves thermal performance and lifespan, offering strong potential for electromobility, renewable energy, and high-frequency electronics.
Technical Paper
Apple's $1,999 iPhone Duo puts the company's status-symbol power to the test
Apple's $1,999 iPhone Duo drew extraordinary preorder demand, with launch-day pickup slots selling out. The foldable phone targets high-spending customers, boosting revenue and positioning Apple to challenge Samsung and Huawei in the premium market.
CNBC
Sponsor
Master Bond
Electrically Insulative, Low Viscosity Epoxy
Master Bond EP3UF is a fast curing adhesive that passes NASA low outgassing requirements and is used for bonding and underfill applications. Discuss with a specialist.
Master Bond
This Hidden Device Could Free Up Gigawatts of Grid Power
Variable frequency drives could reduce electric motor energy consumption by 40–60%, easing America's power crunch. Experts urge incentives and efficiency standards to accelerate adoption, lower electricity costs, free grid capacity, and support growing data center demand.
IEEE Spectrum
How to Gauge Solder Paste Volume?
How much solder paste should be applied when running a stencil printing system? Should we print a PWB on the first pass or after few cycles?
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
AI Technology, Inc.
AEC Grade-0 and MSL Level-1 Conductive Paste & Film Adhesives
240° Tg and ultra-high thermal stability for AEC Grade-0 applications. Proven rapid and snap curing die-attach paste for ultimate productivity.
AI Technology, Inc.
China AI supply-chain IPOs hold firm despite valuation pullback, Citi says
Citi expects Chinese AI supply-chain firms to sustain Hong Kong listings despite valuation concerns and market volatility. Strong local liquidity and global demand will support fundraising, while investors increasingly favor AI developers & applications with proven growth & profitability.
Reuters
IEEE Offers More Services to Cities That Want to Be Smarter
Cities are adopting AI, sensors, and data analytics to improve urban living, but privacy concerns and coordination gaps hinder progress. IEEE Smart Cities promotes global collaboration, education, standards, and innovation to build sustainable, citizen-focused smart cities.
IEEE Spectrum
Corrosion Behavior of CU in Some Commercial Beverages
The corrosion behaviour of pure copper in selected commercial beverages was studied. Two approaches were used to investigate the corrosion behavior.
Technical Paper
Sponsor
Summit Interconnect
Your Domestic PCB Solution
Summit helps you avoid long lead times and added costs—protecting your supply chain without compromise, while delivering the speed and quality you count on.
Summit Interconnect
China proposes AI export curbs to manage security
China proposed restricting exports of 23 advanced AI technologies, including large language models, chip designs and computing clusters, citing security concerns. The measures could limit overseas access to Chinese AI innovations while tightening government oversight.
Taipei Times
Simulation App Speeds Up Electric Truck Battery Design
The LaserBATMAN consortium developed a simulation app using COMSOL Multiphysics to optimize battery design and laser welding. The tool helps engineers improve battery durability, reduce degradation, and extend electric truck driving ranges while supporting sustainable transportation.
IEEE Spectrum
Generalizations About Component Flatness at Elevated Temperature
The flatness of boards and components is an important topic. This study deals only with components.
Technical Paper
Sponsor
DELO Industrial Adhesives
Reliability in Automotive Image Sensor Packaging
Image sensors enabling ADAS and autonomous driving must perform reliably over the full vehicle lifespan. Learn how to meet AEC-Q100 requirements and key packaging challenges.
DELO Industrial Adhesives
Data Center Power a Prominent Highlight of OCP 2026
At OCP Global Summit 2026, Navitas, Infineon and Texas Instruments showcased high-efficiency power delivery, hot-swap controllers and real-time monitoring solutions. Their innovations address rising AI data center power demands, improve reliability and reduce costly downtime.
EE Times
Is industrial AI the key to resilient and sustainable electronics manufacturing?
Climate-driven water shortages and geopolitical tensions threaten semiconductor production and electronics supply chains. Industrial AI can improve efficiency, predict disruptions and diversify sourcing, while manufacturers must ensure data centers use clean energy and water sustainably.
ESG Dive
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
How Human-Centered Professions Can Thrive in the Age of AI
Despite repeated predictions that technology would replace travel advisors, the profession continues to thrive by adapting. Advisors embraced digital tools, expanded their expertise, and reinforced the importance of personalized service in an increasingly digital travel industry.
Entrepreneur
Characterization of Solder Defects in Package on Package
This paper is part of series of studies on X-Ray inspection technology to quantify solder defects in BGA balls.
Technical Paper
Taiwan's Foxconn expands energy storage business
Foxconn partnered with four companies to develop energy storage systems using locally produced battery cells. The alliance targets 100 MWh of installed capacity by 2027, with commercial deliveries expected in the first half of next year.
Taiwan News
Would you really give up ChatGPT to shut down data centers? Tech CEO highlights the hypocrisy of some AI critics
Despite growing opposition to AI and data centers over environmental and societal concerns, usage continues to surge. Verb CEO Cyrus Beschloss highlights this contradiction, noting that many critics may struggle to abandon ChatGPT and its benefits.
TechSpot
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
China launches joint plan to secure electronics supply chain
China aims to grow electronics industry revenue beyond 30 trillion yuan by 2030, strengthening domestic capabilities in semiconductors, computing and photonics while boosting research, industrial clusters and supply-chain resilience to reduce dependence on foreign technologies.
Global Sources
Today's Sponsor
Sponsor
Sponsor
DL Technology
Micro Dispensing Technology Leader
DL Technology LLC develops customized dispensing needles and valves for the electronics assembly, industrial assembly, semiconductor packaging and medical industries.
DL Technology
Test Your Knowledge
In 1982 Time Magazine named a thing as its "Man of the Year". What thing was it?
See answer below.
Industry Press
Seika Machinery to Highlight Smart Cleaning and Depaneling at SMTA Tampa Bay and SMTA Space Coast
Seika Machinery, Inc.
ELANTAS to Highlight Bectron® BZ 1807 Conformal Coating at SMTA Space Coast
ELANTAS North America
American Hakko to Feature Soldering, Rework and Fastening Solutions at SMTA Space Coast 2026
American Hakko Products, Inc.
ViTrox Americas to Highlight AI-Driven Inspection and Industry 5.0 Manufacturing Solutions at SMTA Space Coast
ViTrox Technologies Sdn Bhd
Stannol North America to Showcase Advanced Soldering Materials and Sustainability Solutions at Two Florida SMTA Events
Stannol
PBT Works/MaRC Technologies, Inc. to Highlight Closed-Loop Cleaning Solutions at SMTA Space Coast
MaRC Technologies, Inc.
KIC Is Making Ovens Smarter at SMTA Space Coast Expo
KIC
Horizon Sales to Showcase Equipment Solutions and Quasi C2 Cart at SMTA Space Coast Expo
Horizon Sales
MORE INDUSTRY PRESS
Is Thermocouple Connection the Problem?
Sponsor
Test Research, Inc.
AI Void Detection - X-Ray Inspection
X-ray Inspection for hidden and buried solder joints. BGA, QFN, THT, and more. High Speed and High Resolution configurations available.
Test Research, Inc.
Quote of the Day
"You can discover more about a person in an hour of play than in a year of conversation."
Plato
Sponsor
AIM Solder
Significantly Reduce Your Silver Costs Now!
REL61™ lead-free alloy is a proven alloy that slashes silver costs. Get better thermal stability and lower overhead with AIM's local technical support.
AIM Solder
Co. Overview
Cartoon of the Day
Cartoon
"The left side of our brain contains all of our thoughts, knowledge and memories. The right side is the back up copy."
Copyright © Randy Glasbergen
Sponsor
KYZEN
The "Fried Egg" Effect in Soldering
Burnt-on flux residue that is visible on the solder mask of PCBs after improper reflow settings produces significant challenges to the reliability of finished boards.
KYZEN
10030
Test Your Knowledge Answer
In 1982 Time Magazine named a thing as its "Man of the Year". What thing was it?
Answer: Personal computer on December 26, 1982