Cleaning, Washing, Solvents
These programs cover manual and automated cleaning systems, water and other solvent based cleaning and cleaning solutions.
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ECM and IOT  How to Predict, Quantify and Mitigate ECM Failure Potential
ECM and IOT How to Predict, Quantify and Mitigate ECM Failure Potential
There was a time when virtually all circuit assemblies were cleaned. The removal of flux and other process-related contamination was commonplace.
Analysis Lab

Evaluating Rinsing Effectiveness in Spray-In-Air Cleaners
Evaluating Rinsing Effectiveness in Spray-In-Air Cleaners
This study was designed to investigate the efficiency of the rinse cycle using both a spray-in-air batch and inline cleaner.
Materials Tech

De-Ionized Water Affected By the Atmosphere
De-Ionized Water Affected By the Atmosphere
Resistivity readers of the de-ionized water are above 15 megohms. Resistivity results of the samples tested by the outside lab have been approximately 1 megohm. Is there any explanation to this big discrepancy? Phil Zarrow and Jim Hall, The Assembly Brothers, discuss this question.
Board Talk

In Situ Recycling of Cleaning and Rinsing Fluids
In Situ Recycling of Cleaning and Rinsing Fluids
The purpose of this paper is to provide an understanding of how to achieve these targets at the lowest possible cost.
Production Floor

Cleaning to Enhance Product Reliability
Cleaning to Enhance Product Reliability
This paper deals with many aspects of cleaning to ensure reliability of electronic circuitry.
Production Floor

Minimizing Printed Circuit Board Warpage in Assembly Process
Minimizing Printed Circuit Board Warpage in Assembly Process
The purpose of this paper is to present a cleaning process for difficult no-clean, lead-free and high temperature flux residues on reflowed PCBs.
Production Floor

Vapor Degreasing Chemistries Remove Lead-Free and No-Clean Fluxes
Vapor Degreasing Chemistries Remove Lead-Free and No-Clean Fluxes
The purpose of this paper is to present a cleaning process for difficult no-clean, lead-free and high temperature flux residues on reflowed PCBs.
Production Floor

Wet-Based vs. Dry-Based Cleaning
Wet-Based vs. Dry-Based Cleaning
For automatic under-stencil cleaning there are many cleaning methods including dry vacuum cleaning, wet dry vacuum cleaning. What factors should we consider to select wet based cleaning versus dry based cleaning? The Assembly Brothers, Jim Hall and Phil Zarrow, discuss this scenario and offer their suggestions.
Board Talk

Spray Plus Soak Improves Cleaning Under BTC
Spray Plus Soak Improves Cleaning Under BTC
Innovative spray and soak methods for removing low residue flux residues and rinsing under bottom termination and leadless components is evaluated.
Production Floor

Seeking Alternatives to Solvent Cleaning
Seeking Alternatives to Solvent Cleaning
We are using a mix of trichloroethylene and IPA for cleaning in the ratio of 10 to 90. We are looking to eliminate the use of trichloroethylene. Phil Zarrow and Jim Hall, The Assembly Brothers, offer their suggestions.
Board Talk