circuit insight
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
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
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
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
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
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
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
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
Sponsor
Plasma-Etch

Handheld Plasma Activation
Plug it in and start cleaning; no gas hookup! Versatile all-in-one solution you can take anywhere and activate almost anything in seconds! Learn more.
Plasma Etch
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
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
How To Strip Tin-Lead Solder From SMT Pads for RoHS
Is it possible to scrub the pads of a PCB to bring it back into compliance? 63-37 solder was mistakenly used to hand solder parts.
Board Talk
Sponsor
Zestron

Defluxing Ultra-Fine Pitch CoW Devices? Read This.
DI water falls short on copper pillar packages. Get proven cleaning parameters for CoW devices with <25μm pitch in our white paper.
ZESTRON Americas
Technical Cleanliness Assessments to Reduce Manufacturing Defects
This paper will detail a Contamination Assessment Protocol that conforms to the guidelines in VDA19 Part 2 which will not only enable areas with the highest risk of contamination to be targeted for improvement measures but will also provide documentary evidence of the effect of any such improvements.
Technical Paper
A New X-Ray Source Technology for Demanding SMT Inspection
The paper contains data and images from Nano Focus tube, plus data from reliability and stability tests using a real-life system and not test rigs.
Technical Paper
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
Assembly Optimization for Thin Flip-Chip Chip-Scale Packages
In this study, PC board design and solder stencil designs are evaluated for board attach defectivity for core-less FCCSP packages. It is observed that with properly engineered package materials and mechanical configuration, as well as optimization of PC board pad design, a robust board assembly solution exists for thin FCCSP packages.
Technical Paper
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Air-Vac-Engineering
Sponsor
Nordson-ASYMTEK

New SELECT Synchro soldering system
A multi-station selective soldering system that uses a unique, synchronous motion to increase throughput, improve cost-of-ownership, and provide flexibility for electronics manufacturers.
Nordson Electronics Solutions
Ormet-TLPS
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
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