Electronics Manufacturing and Electronics Assembly

We use lead-free solder and store it at a temperature of 4 to 5 degrees Celsius. What is the best practice for prepping this stored paste before use? Phil Zarrow and Jim Hall, The Assembly Brothers, discuss this scenario and offer their suggestions.
Board Talk

Rework Challenges for Smart Phones and Tablets
This paper reviews the challenges and process steps needed for successful repair of surface mount devices on very densely packaged circuit boards.
Production Floor

AI Robots Alleviate Loneliness
Robots enhanced with artificial intelligence may one day help alleviate loneliness. Researchers propose a way to measure whether a robot is helping someone.
Technology Briefing

Simulation and Fault Diagnosis in Post-Manufacturing Mixed Signal Circuits
In this paper, an effective method for predicting circuit failures in post-market circuit boards through simulation and deep learning is proposed and implemented.
Analysis Lab

Solder Paste Selection for Bottom Termination Components Attach
Two solder paste chemistries and several printing parameters were evaluated in order to achieve consistent solder paste deposition across the assembly.
Materials Tech

The Versatile Preform
This paper discusses attributes within the solder families that the preforms are composed of and considerations when considering solder preforms.
Production Floor

Stencil Printing for Challenging Heterogeneous Assembly Applications
A series of Metric 0201 experiments investigating printing process sensitivity to circuit board properties, including pad dimensional accuracy and landscape topography.
Analysis Lab

When To Use Adhesive To Bond SMT Components
When should we use adhesive to bond SMT components to the bottom-side of a double-sided PWA before going through reflow soldering?
Board Talk

Improved Flux Reliability of Lead-Free Solder Alloy Solder Paste
This paper covers a type of 'crack free' flux paste designed to inhibit cracking under extreme environments. Includes electro-chemical migration tests dew ...
Materials Tech

The Coming EV Debacle
There is no clearer example of regulatory overreach than battery-electric vehicle mandates. What are the implications of prematurely pursuing this "EV fantasy?"
Technology Briefing

Technology for Optical Co-Packaging
A practical approach is to use optical transceiver submodules and to attach them onto the package substrate by soldering is discussed in this paper.
Production Floor

Nickel Hydroxide Corrosion Residues on Ceramic Packages
The findings of this study should help process engineers resolve package-related problems when nickel-gold finishes are utilized.
Analysis Lab

Trapped in the Vacuum Chamber
A worker was cleaning inside a vacuum chamber when the door slammed shut. His partner turned the vacuum pump on. What happened?
Mysteries of Science

Via Filling: Challenges in the Plating Process
This paper describes the function and principles behind BMV filling processes together with methods for non destructive testing of the filled structures.
Production Floor

Safely Unlocking the Potential of Exponential Growth Innovation

Some are worried that a shrinking labor force, limited natural resources and a rising “dependency ratio” will undermine economic growth.
Technology Briefing

Solderability Testing Protocols and Component Re-Tinning Methods
This paper addresses methods to enhance solderability including: component solderability test methodologies, gold embrittlement and removal of gold plating.
Analysis Lab

Rheology of Solder Paste: Shelf Life Study

This study offers a better understanding of the correlation between rheological properties and shelf life of solder paste exposed to extreme conditions.
Materials Tech

Conformal Coating over No Clean Flux
The need to implement a tin whisker mitigation strategy has led to applying conformal coating over no clean residues.
Production Floor

Supplier Spotlight

Nikon Metrology, Inc.
For over 100 years, Nikon has pursued the possibilities of ...

Baja Bid
BajaBid is a SMT and PCBA asset management organization with ...

Hisco, Inc.
Hisco is a specialty distribution company serving the electronic assembly ...

IEC Electronics Corp.
By utilizing our on-site analytical laboratories or our proven industry ...

FULL SUPPLIER DIRECTORY

Board Talk

Questions About Handling Solder Paste

When To Use Adhesive To Bond SMT Components

How Can We Prevent Our 0201 Nozzles From Clogging?

PCBA Inspection Concerns

Is There a Limit to the Step in a Step Stencil?

Keys for Moisture Sensitive Device Control

How Effective Is Nano Coating On Stencils?

Why is Solder Dross Sticking to Our PCBAs?

MORE BOARD TALK

Questions and Comments

How Can We Prevent Our 0201 Nozzles From Clogging?

You don't say which paste type and its flux type ...
Richard Stadem, Analog Technologies Corp.

Is There a Limit to the Step in a Step Stencil?

One issue I did not see in the discussions is ...
Don Adams, Bose

How Effective Is Nano Coating On Stencils?

Nanocoating thickness can be measured by Ellipsometry and similar optical ...
Rajagopal

MORE COMMENTS

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