Electronics Assembly Knowledge, Vision & Wisdom
Apr 18, 2019
Keys for Moisture Sensitive Device Control
Keys for Moisture Sensitive Device Control
We attach travelers to every group of MSD components taken out of the moisture barrier bag. Is this enough documents on our MSD program? Phil Zarrow and Jim Hall, The Assembly Brothers, share their insight.
Board Talk
Hand Printing using Nanocoated and other High End Stencil Materials
This study details the effectiveness of nanocoating materials, high end stainless steel stencil materials, as they relate to the manual SMT printing.
Production Floor
Strategies For Ensuring a Smooth Assembly Process
New Generation of Conformal Coatings for Challenging Operating Environments
US Army & nScrypt Direct Digitally Manufacture 3D Printed Circuit Structure
Handling Risk Mitigation in Hand Soldering
Oven vs Product Profiling
Keeping Counterfeit Components Out of Supply Chain
3 Ways to Increase Plasma Uniformity
Polyurethane Encapsulants - Enhanced Protection For LEDs in Challenging Environments
Ask the Experts
QFN Open Solder Joints
We are experiencing opens on assembled QFN components at a rate of approx 9%. This component has 2 rows of pads and the failure only appears in rows near the component center. See the yellow area ...
Ask the Experts
Why AI Isn't the Death of Jobs
Why AI Isn't the Death of Jobs
A probable outcome for companies that use AI only to increase efficiency. Companies using AI to drive innovation are likely to increase head count than reduce it.
Technology Briefing
Bending Strength of Solder Joints as a Function of Joint Length
The effect of joint length on the fracture of copper-solder-copper joints is investigated using double cantilever-beam specimens of various joint lengths.
Analysis Lab
Embedding Passive and Active Components: PCB Design and Fabrication
Embedding Passive and Active Components: PCB Design and Fabrication
This paper focuses on six basic embedded component structure designs described in IPC-7092.
Materials Tech
Influence of Copper Conductor Surface Treatment for High Frequency PCB
Paper provides results of adhesion performance and electrical properties using certain types of dielectric material for high frequency PCBs.
Production Floor
Ask the Experts
Tiny Solder Balls After Reflow
We have been seeing tiny solder balls across our PCB's after reflow. We have baked the boards, cleaned the PCB and stencil with alcohol, used brand new paste, had the oven manufacturer ...
Ask the Experts
Effect of Thermal Cycling on Subsequent Drop Behavior of Assemblies
This paper presents the effect of a priori thermal cycle on subsequent drop to failure behavior of CGAs with 1272 columns.
Analysis Lab
Why is Solder Dross Sticking to Our PCBAs?
Why is Solder Dross Sticking to Our PCBAs?
After wave soldering we find dross particles on the circuit board surface. We cleaned and have the same problem. Do we have contamination?
Board Talk
RF Capacitor Material for Use in Printed Circuit Board
A novel ceramic-functional-particle-filled polymer composite material has been developed for use either discrete elements on the PCBs.
Materials Tech
Medical Device Artificial Intelligence
Medical Device Artificial Intelligence
IDx-DR is the first medical device that uses artificial intelligence for the autonomous detection of diabetic retinopathy without a human interpreting the results.
Technology Briefing
Effect of SMT Component Package Design on Cleaning Effectiveness
Effect of SMT Component Package Design on Cleaning Effectiveness
This paper will discuss the "physics" of liquid entrainment / entrapment / cleaning / rinsing and their effects on component materials.
Production Floor
AOI Capabilities Study with 03015 Components
Paper covers tests working with five AOI vendors to ensure successful testing of 03015 components, with emphasis on optimizing algorithm threshold settings.
Analysis Lab
The Technician with the Hot Pockets
The Technician with the Hot Pockets
A technician at a powder coating plant suddenly ran for the fire extinguisher. He shoved the nozzle in his pocket and pulled the trigger. Why?
Mysteries of Science
Cartoon
"They're sending us all to auctioneering class. If we learn to talk faster we'll get more done at staff meetings."
Copyright © Randy Glasbergen