circuit insight
November 6, 2025
Metal Organic Decomposition Inks for Electromagnetic Interference Shielding
Metal Organic Decomposition Inks for Electromagnetic Interference Shielding
In this paper, we will review different printing techniques, and spray coating. We will review 5-sided metallization to provide shielding via spray coating, film performance parameters including coating thickness uniformity, EMI shielding effectiveness, adhesion to different substrates, and reliability.
Materials Tech
Thermal Cycling Profile on Thermal Fatigue Performance of a 192-Pin Chip Array BGA
This paper summarizes the findings from a thermal cycling test to evaluate the effect of thermal cycling profile on thermal fatigue performance of low temperature solders.
Analysis Lab
Sponsor
Advanced-Interconnections

Introducing our new Board to Board Connectors
These new Board to Board Connectors feature pitch sizes from 0.50 mm to 1.00 mm with multi-pitch and custom pitch designs available. Designed for long-life applications and robust handling.
Advanced Interconnections Corp
Examination of Cutting-Edge Quality and the Influences of Laser Depaneling
This paper presents an in-depth analysis of potential influences of the cutting quality variation on the characteristics of the printed circuit board.
Production Floor
Issues With Solder Paste Transfer Efficiency
Issues With Solder Paste Transfer Efficiency
With transfer efficiency and its relationship to solder paste volume, can you produce a transfer efficiency over 100% of the theoretical volume?
Board Talk
Surface Treatment Enabling Low Temperature Soldering to Aluminum
An increasingly popular method to meet the need for lower cost circuitry is the use of aluminum on Polyester (Al-PET) substrates.
Production Floor
Sponsor
SEIKA-America

Sawa Ecobrid Fully Automatic Stencil Cleaner
This cleaner has 2 ultrasonic cleaning head panels for cleaning the front & back sides together. Ultrasonic energy is applied directly to the stencil.
Seika
Tin-Bismuth Low Temperature Solder Electromigration Behavior
Tin-Bismuth Low Temperature Solder Electromigration Behavior
This paper reviews results reported from accelerated testing compared with cross-sectional results from components on functional systems with known time in service.
Analysis Lab
Low Melting Temperature Solder Interconnect Thermal Cycling Performance
Sn-Bi based low melting temperature solder interconnects with elemental tuning presents enhanced interconnect solder joint thermo-mechanical performance.
Materials Tech
Sponsor
Circuit-Technology-Center

Tech Paper - The Essential Guide for High-Reliability BGA Component Re-balling
This paper outlines best practices and challenges in reballing Ball Grid Array (BGA) components. Download this free tech paper.
Circuit Technology Center
Evaluation of Reliability using Autocatalytic Silver Bath on ENEP Layer
It was confirmed that ENEPES with a Ag thickness of 0.3 μm had good reliability both for the solder joint and Ag sintering joint.
Analysis Lab
3P Production Preparation Process
3P Production Preparation Process
A Lean Manufacturing methodology is presented as a standardization tool where teams work for the process design of production lines and manufacturing systems.
Production Floor
Reflow Oven Zone Separation Challenges
Reflow Oven Zone Separation Challenges
Some of the zones or our oven profiler are competing to get to the correct temperature. How do I prevent the oven from having competing zones? Jim Hall and Phil Zarrow, The Assembly Brothers, answer this question.
Board Talk
Sponsor
Master-Bond

Silver Filled, Heat Curing Epoxy
Master Bond EP4S-80 is a one part, electrically conductive, silver filled adhesive for bonding, sealing and coating with a low curing temperature of 80°C.
Master Bond
The Importance of Conformal Coating Thickness and Edge Coverage
The performance of new silicone and urethane materials, designed for coverage and thickness, is compared with an acrylic and ultra-thin material.
Materials Tech
Increased Reliability of Quad Flat No Lead Wettable Flank Connections
Increased Reliability of Quad Flat No Lead Wettable Flank Connections
The focus of this study is to investigate the reliability of the immersion tin layers plated by a tailored immersion tin process for QFN flank plating.
Analysis Lab
Sponsor
Uyemura

RAIG Minimizes Corrosion, Allows Higher Gold on ENEPIG
Paper describes a mixed reaction RAIG electrolyte that minimizes galvanic corrosion and allows higher ENEPIG gold thicknesses, enabling robust designs and world-class quality on target with minimal variation.
Uyemura
Breakthrough Technology to Improve X-Ray results
Breakthrough Technology to Improve X-Ray results
The paper contains comparison data from Nano Focus tube, plus data from reliability and stability tests using a real-life system and not test rigs.
Production Floor
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SEIKA-America
Sponsor
Circuitnet

"Ask the Experts" Program by Circuitnet
Do you have a question or process issue in PCB assembly? The Circuitnet "Ask the Expert's" program has over 100 panel members waiting to answer your question. Submit question now.
Circuitnet Media LLC
Uyemura
Sponsor
Essegi-Automation

Our Solutions
Discover Essegi Automation's modular solutions: flexible hardware and software seamlessly integrated into SMT and THT environments.
Essegi Automation
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