Electronics Assembly Knowledge, Vision & Wisdom
Feb 22, 2018
Processing Circuit Boards with BGAs On Both Sides
Processing Circuit Boards with BGAs On Both Sides
What is the best way to process a 30 mil circuit board assembly that has micro BGAs that need to be soldered to both sides? The Assembly Brothers, Jim Hall and Phil Zarrow, answer this question.
Board Talk
Excess Flux Residue After Hand Soldering
We observe an excessive amount of flux after hand soldering using flux cored solder. Is this amount of excess flux normal?
Ask the Experts
How Flex Circuits and Wearable Tech are Changing the World of Medicine
Conformal Coatings that don't crack under pressure
How Critical CCD Specifications Impact Imaging Performance
Reflow Soldering
Finding the Right Manufacturer for Your Design
X-Ray Component Counters Keep Lines Running
Complete Versatility with High-Throughput X-ray
Conformal Coatings Vs Encapsulation Resins - which do I choose?
Voiding Control On Bottom Terminated Components Using Preforms
Voiding Control On Bottom Terminated Components Using Preforms
This paper looks at a new approach using readily available solder fortification preforms.
Production Floor
3D Printed Microfluidic Devices
3D Printed Microfluidic Devices
Researchers recently became the first to 3D print a viable microfluidic device small enough to be effective at a scale of less than 100 micrometers.
Technology Briefing
2D X-Ray Inspection With Materials and Thickness Identification
A technology has been developed that, instead of simply measuring the total absorption of the X-ray beam, enables changes in the beam energy to be resolved.
Analysis Lab
Reliability of Fine Pitch Flip Chip BGA Packages for Automotive Applications
Reliability of Fine Pitch Flip Chip BGA Packages for Automotive Applications
The board level reliability of different FCBGA packages was evaluated in the automotive thermal cycling environment.
Materials Tech
Cost Comparison of Complex PCB Fabrication
The authors present an alternative to sequential lamination for fabricating complex PCBs, where conductive paste is used as interconnect between cores.
Production Floor
Ask the Experts
Burned Chip Repair
I have a circuit board with a burned chip. Can this type of repair be done reliably? Where can I send this board to and have it done professionally?
Ask the Experts
Preparation for Mitigating Tin Whiskers in Alternative Lead-Free Alloys
The understanding of the growth mechanism for tin whiskers and what mitigation strategies can be employed to reduce their propagation.
Analysis Lab
Issues With BGA Rework Residue
Issues With BGA Rework Residue
After BGA rework there is an outline of residue on around the pads. Is it necessary to remove this residue to reinstall a new BGA?
Board Talk
Material Selection for Reliable TMV Pop Assembly
This paper investigates selected aspects of the above mentioned processes to better understand the critical factors associated with successful TMV PoP assembly.
Materials Tech
New Miracle Material Developed for Smart Devices
New Miracle Material Developed for Smart Devices
With almost 1.5 billion smart phones purchased worldwide last year, manufacturers are on the lookout for something more durable and less costly.
Technology Briefing
Risk Mitigation in Hand Soldering
Risk Mitigation in Hand Soldering
A new validation technology in concert with visual inspection represents a change to the status quo in hand soldering.
Production Floor
Trichloroethylene Alternative
We currently use a mix of Trichloroethylene and IPA for cleaning. We are looking to eliminate the Trichloroethylene and request your input.
Ask the Experts
The Mysterious Pink Snow
The Mysterious Pink Snow
One morning after a snowstorm, the morning shift at Allied Chemical was greeted in the parking lot by pink snow. What caused this strange event?
Mysteries of Science
Cartoon
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