Electronics Assembly Knowledge, Vision & Wisdom
Feb 19, 2019
Can Mixing Wave Solder Pallets Cause Contamination?
Can Mixing Wave Solder Pallets Cause Contamination?
Our wave solder pallets are made from Durastone. Can we use the same wave solder pallets for leaded and lead-free? Jim Hall and Phil Zarrow, the Assembly Brothers, share their own experiences.
Board Talk
Low Temperature SMT Solder Evaluation
Recent advances in alloy "doping" have opened the door to revisit Sn/Bi alloys as a possible alternative to SAC-305 for many applications.
Production Floor
Polyurethane Encapsulants - Enhanced Protection For LEDs in Challenging Environments
Assembling High Current Heavy Copper PCBs
Heat Flow in Reflow
Characteristics of EPIG Deposits for Fine Line Applications
Next-Gen, High-Temp Capable Underfill
3D MRS Sensor Technology for Challenging Measurement & Inspection
Solving Problems Before They Occur in PCB Design to Manufacture
Using Vias to Improve PCB Density
Ask the Experts
ESD Ground Wire Gauge
When hooking up a ground wire from an ESD bench or mat to an earth ground like a wall outlet, what is the recommended wire gauge to use? Does it matter since we're dealing with such low current ...
Ask the Experts
Ultra-Thin Artificial Retina
Ultra-Thin Artificial Retina
Researchers have developed the world's first ultrathin artificial retina that could improve on existing implantable visualization technology for the blind.
Technology Briefing
Additive Manufacturing-Enabled Wireless Flexible Hybrid Electronics
This paper reports an ensemble of strategies for the successful miniaturization of EEG in a fully-flexible, wearable and wireless platform.
Analysis Lab
Effect of Bi Content on Properties of Low Silver SAC Solders
Effect of Bi Content on Properties of Low Silver SAC Solders
A systematic study is presented to address the effect of Bi content on soldering and mechanical performance of low silver SAC alloys.
Materials Tech
Applying Lean Philosophies to Supply Chain Management in EMS
A mid-tier EMS company's look at their use of technology, philosophy and partnerships to optimize its systems and facilitate growth.
Production Floor
Ask the Experts
MSD Components Baked Too Long
If MSD components are baked for more time than specified in J Std, can this cause potential failures or other problems? For example, components baked ...
Ask the Experts
Advance Board Level Modeling Wafer Level Packages
In this paper it is determined that the effective flexural modulus depends on the stackup and it often does not correlate with the effective tensile modulus.
Analysis Lab
Why Uneven Conformal Coating?
Why Uneven Conformal Coating?
We are experiencing an issue with our conformal coating . On matte finish boards the coating is vibrating away from some others and building up in others.
Board Talk
Challenges for Selecting Appropriate TIM2 Material for CPU
This paper provides a methodology for a potential TIM2 material for applications including automotive, personal computers and internet of things.
Materials Tech
Self-Driving Vehicles: From Prototypes to Commercial Success
Self-Driving Vehicles: From Prototypes to Commercial Success
From real estate and jobs to insurance and law enforcement, no digital application will have more far-reaching consequences than self-driving cars and trucks.
Technology Briefing
Position Accuracy Machines for Selective Soldering Fine Pitch
Selective soldering is a robust soldering process. This paper explores the different process steps and critical parameters.
Production Floor
3D Integration a Thermal-Electrical-Mechanical-Reliability Study
In this paper examples of electro and thermomigration effects as a failure mechanism in PoP-BGA, CuSn pillars, flip chip and TSV were presented.
Analysis Lab
Energy Savings Ran Up the Bill
Energy Savings Ran Up the Bill
A factory attempting to reduce energy costs would turn down the heat in the winter. So why was the fuel bill actually higher?
Mysteries of Science
Cartoon
"When I said it's time to step up to the plate, I didn't mean go to lunch early!"
Copyright © Randy Glasbergen