circuit insight
Low-Voiding High-Reliability Lead-Free Solder Paste for Automotive
A novel lead-free solder paste, Durafuse® HR (DFHR), has been developed using Durafuse® technology. This technology demonstrates the combined merits of each constituent solder powder in the paste. DFHR is based on Sn-Ag-Cu alloy system and contains bismuth (Bi), indium (In), and antimony (Sb).
Technical Paper
iNEMI Board Assembly –Press-Fit Technology Roadmap
A press-fit roadmap team including press-fit manufacture, OEM/ODM and EMS are getting together every two years to identify the future technology trend, future technical challenges and needs and then to find potential solution for next 5 to 10 years in the horizon.
Technical Paper
Sponsor
EOS-ESDA-Association

PAE Certification – Oct 2-5, 2026
Advance your expertise with the ESDA Process Assessment Engineer (PAE) Certification at the 2026 EOS/ESD Symposium. Learn ANSI/ESD SP17.1 principles to assess and improve EOS/ESD processes.
EOS/ESD Association
Opens With Assembled QFN Components
We are experiencing opens on assembled QFN components at a rate of 9%. The failure only appears in rows near the component center. What is happening?
Board Talk
Study of Lead-Free Solder Materials for Power Module Packaging Assembly
This study focused on the thermal fatigue performance and the microstructural evolution of five lead-free solders under harsh service conditions.
Technical Paper
Improving Reliability of High Performing PCB With Advanced Conformal Coating Use
The paper discusses a newly developed conformal coating system that meets the high performance, reliability and cycle time demand based on the hybrid polymer approach.
Technical Paper
Sponsor
Master-Bond

Flexibilized LED Curable Adhesive System
Master Bond LED415DC90 is a one part, dual curing adhesive with excellent strength properties that is used to bond both similar and dissimilar substrates. Download the TDS.
Master Bond
Fine Pitch CU Pillar with Bond on Lead Assembly Challenges
A technology featuring Copper Pillar Bond-On-Lead (BOL) with Enhanced processes delivers cost effective, high performance packaging solution.
Technical Paper
Interconnect Mechanical Performance with Variable UBM and Decreasing Bump Size
Current work seeks to better understand how the indium (In) bump size affects the respective interface kinetics and subsequent mechanical properties.
Technical Paper
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
No-Clean Residue Shorts
We have a PCBA with a QFN 44 using no-clean flux. We have many test failures during testing. Are the failures due to flux reside between terminations? Jim Hall and Phil Zarrow, The Assembly Brothers, answer this question.
Board Talk
Issues With SMT Component Alignment
During automatic optical inspection our chip components are shifting. This is not limited to single components and changes daily.
Board Talk
Industry 4.0 for Inspection in the Electronics Industry
This paper investigates how the connected at-line x-ray system can improve production yield and lower costs when connected to the production line.
Technical Paper
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
Conductive Cu Paste as a Via Filling Material for Through Glass Via (TGV)
We developed a Cu paste that can be used as a filling material for a through-glass via (TGV). A TGV substrate can be filled with Cu paste without voids.
Technical Paper
Pad-to-Pad Electrical Field Effects on Surface Insulation Resistance
In this paper, we examine the effect that various design factors of SIR test patterns has on the electric field on the surface of the PCB.
Technical Paper
Sponsor
Viscom

vCONNECT: Your Next Level of Digital Connectivity
Discover vCONNECT: Analyze inspection data, monitor machine performance, predict maintenance needs, store data securely and access AI tools and the latest Viscom News.
Viscom
Novel Lead-Free Solder Alloys Based on Sn-Ag-Cu-Sb
In this work, thermal performance of five Sn/3.2Ag/0.7Cu/xSb (x is in the range of 4.5 to 6.5 wt.%) alloys were compared to select the optimized Sb content.
Technical Paper
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Glenbrook-Technologies
Sponsor
Advanced-Interconnections

Need Improved Solder Joint Visibility?
Solder Peel-A-Wayš 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.
Nordson-ASYMTEK
Sponsor
Plasma-Etch

Plasma Clean, Etch and RIE in One Machine
The PE-100 convertible allows you to perform plasma cleaning, isotropic etching and reactive ion etching(RIE) in the same system!
Plasma Etch
Cartoon
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