Explanation of the cleaning of "metal salts" that can cause poor insulation resistance.

We will introduce the mechanisms of occurrence, confirmation and analysis methods, as well as frequently asked questions regarding the cleaning of metal salts!

last updated Aug 18, 2025

What is an SDS (Safety Data Sheet)?

Explanation of essential knowledge for evaluating, purchasing, and storing flux cleaning agents!

last updated Jul 07, 2025

Basic Knowledge of Flux Cleaning ver.2 [Technical Document]

A must-read for those who want to start flux cleaning! "Why wash? How to choose? How to analyze?" can be understood in this one book!

last updated Jun 18, 2025

Removal of sinter agent residue + tack agent, joint research with Mr. McDermid.

Explaining the cleaning effect of complex organic substances after using the currently popular sintering agent! Joint research with Mr. McDermid.

last updated Apr 15, 2025

Is a cleaning agent really unnecessary? Cleaning verification of water-soluble flux / Joint research with Hiroki.

Is a cleaning agent really unnecessary? Information on the cleaning verification results of water-soluble flux.

last updated Apr 11, 2025

Verification of Cleanability for Long Edge Resistance [Joint Research with Japan Superior Co., Ltd.]

Introduction to the joint research between Nippon Superia Co., Ltd. and Zestron Japan!

last updated Apr 14, 2025

SDGs in Electronic Device Cleaners [Free Technical Document Download]

Balancing cleanliness and safety! A must-read for reviewing electronic device cleaning agents.

last updated Apr 11, 2025

What is water-soluble flux? An explanation of water-soluble flux residues and analysis methods.

The role and applications of water-soluble flux! We will explain residues, analytical methods, and cleaning methods.

last updated Dec 03, 2024

Troubles with Flux Cleaning Due to High-Density Component Mounting [Case Study]

Along with a case study on cleaning defects due to high-density implementation, we will also provide guidance on methods for restructuring the cleaning process!

last updated Apr 15, 2025

Evaluation of cleanliness after cleaning: Analysis methods for flux residues and residues after sintering bonding.

In the cleaning of electronic devices, various factors are intertwined! An explanation of the importance of cleanliness evaluation.

last updated Sep 03, 2024

Cleaning technology required for sintered joint devices [Technical Document]

Introduction to the specific sintering cleaning process! Discussion of the differences from flux cleaning, etc.

last updated Apr 15, 2025

Evaluation Methods for Flux Cleaning / Added Value [Seminar Materials]

An explanation of the latest cleanliness analysis methods and the added value of using flux cleaning agents!

last updated Apr 15, 2025

Three Key Points of Technological Evolution in Electronics Implementation and Cleaning

Trends in flux cleaning due to miniaturization! Introducing technical points in fine bonding products.

last updated Apr 15, 2025

Metal mask cleaning agent "ZESTRON SW" *Can be used without vacuum drying.

Due to its wide applicability, it reliably removes cream solder from the back of the metal mask!

last updated Apr 11, 2025

Ion Residues on Electronic Substrates and Their Analytical Methods [Free Download]

Examples of the analysis of the cleaning properties of surfactants are also included! We will also introduce ions and flux.

last updated Apr 15, 2025

Compliance with regulations and safety measures for cleaning agents! A step-by-step explanation of purchasing, using, and storing.

Introducing regulations related to cleaning agents, taking into account efforts overseas!

last updated Apr 15, 2025

No more failures! How to choose a flux cleaner [Materials available]

Attention those struggling with flux cleaning! The key to flux cleaning lies in "selecting the right cleaning agent"!

last updated Apr 11, 2025

Cleaning Test [Consistent support from cleaning to cleanliness analysis]

After the test is completed, a technical report detailing recommended processes and other information will be submitted!

last updated Apr 05, 2024

Why is it necessary to clean no-clean solder?

The necessity of cleaning no-clean solder! Introducing project improvement examples.

last updated May 29, 2025

Zero defects and half the cleaning time [Improvement case]

About the flux cleaning of high-performance control boards! Introducing cleaning know-how.

last updated May 29, 2025

Is there no cleaning agent that is non-flammable and takes safety and environmental considerations into account?

Introducing examples of project improvements regarding cleaning agents that consider safety and environmental aspects!

last updated Apr 08, 2024

Verification of Cleaning Properties of New Halogen-Free Solder Paste [Joint Research]

Introduction to the morphological changes in flux residues after soldering and their impact on cleanability.

last updated May 29, 2025

Verification of cleaning properties of solder paste for fine bonding in joint research with Nippon Superior Co., Ltd.

A fundamental transformation is required for cleaning methods and cleaning agents! Introducing cleaning know-how.

last updated Apr 15, 2025

Verification of the cleaning properties of Sn-Bi low melting point solder paste - Joint Research

Published solutions to challenges in the formation of metal salts (Bi salts)! We conducted joint verification of cleaning performance.

last updated Apr 15, 2025

Effects of morphological changes in flux residues after soldering on cleanability.

[Joint Research] Joint research on the effects of morphological changes on washability! Detailed explanations and images are presented.

last updated Apr 12, 2024

Relationship between implementation components and ion residues [Joint research with Mr. Hiroki]

By selecting cleaning solder paste and flux, you can ensure more reliable cleanliness!

last updated Apr 15, 2025

Verification of Ion Residual Amounts - Differences Due to Flux Types - [Joint Research]

You can understand the points to be careful about during cleaning! Issues related to ion residue! Introducing cleaning know-how.

last updated Apr 21, 2025

Verification of Residual Properties of Surfactant Cleaning Performance in Low Stand-off Areas [Joint Research]

Directly caused by the generation of leakage current and deterioration of insulation resistance! Introducing cleaning know-how.

last updated May 29, 2025

Verification of the cleaning effect of formic acid reflux devices [Joint Research]

A detailed explanation of formic acid reflow! We will introduce cleaning know-how.

last updated May 29, 2025

The necessity of cleaning in 5G: Why is flux cleaning necessary?

A detailed explanation of why flux residue must be cleaned!

last updated Apr 21, 2025