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SMT Cleaning
Your partner for precision cleaning, detailed surface analytics, and optimization of downstream process steps for electronic assemblies.

• Cleaning Applications
  Tailored SMT cleaning for assembled PCBs, stencils, and tools

• Cleaning Process Qualification
  Efficient and reliable cleaning of electronic assemblies – achieve optimal results for your SMT production through customized cleaning processes.

• Cleaning System Selection
  Manufacturer-independent consultation and practical equipment testing – all within one day.

• Cleanliness Analysis & Bath Monitoring
  Purity determination of electronic assemblies is a central component of quality assurance in electronics manufacturing.

• Failure Assistance & Risk Assessment
  We support you in the rapid identification of failure causes, provide targeted failure assistance measures, and collaborate with you to develop sustainable risk assessments and strategies for long-term failure prevention.

• Efficiently Identifying the Optimal Cleaning Process
  Receive a fast, vendor-neutral cleaning process recommendation that combines the right cleaning system with the right cleaning agent

• Reliable Partner for Safety Critical Electronics Manufacturing
  We support European manufacturers of high reliability electronics with qualified, reproducible cleaning processes

• FAQ: Electronic Assembly Cleaning
  This page summarizes key questions on cleaning electronic assemblies.

Power Modules
How precise surface analysis and modification form the foundation for robust bonding processes and maximum yield.

• Reliable Assembly & Packaging Processes
  Understanding and optimizing surface interfaces – Maximize Yield, Minimize Failure Risks

• Surface Analysis
  ZESTRON supports you with the analysis and interpretation of your surfaces and modules at every stage of their lifecycle.

• Failure Analysis & Remedial Solutions
  We support you in quickly and transparently identifying root causes of failure, recommend targeted remedial actions.

Products & Services
Tailored solutions for SMT assemblies, power modules, stencils, tools, and maintenance components – ensuring reliability and process efficiency.

• Cleaning Agents
  The right cleaner for every application (product finder)

• Process Monitoring & Optimization
  Optimize the cleaning of your assembled PCBs and Power Modules for maximum quality and long-term process reliability.

• Analytical Services
  Precise surface analysis and monitoring of your cleaning and rinsing baths

  • Bath Analysis

  • Ionic Contamination Measurement - ROSE Test

  • Ion Chromatography

  • Basic Analysis Surface Cleanliness

  • FTIR Microscopy and Spectroscopy

  • SEM/EDX Analysis

  • Contact Angle Measurement

• Cleaner Technologies
  Innovative Technologies for Electronics Manufacturing

• Download Data Sheets
  All technical details at a glance – download technical information sheets

Risk Assessment & Failure Assistance
Comprehensive support from root cause identification to practical implementation – increasing reliability, reducing follow-up costs, and securing supply capability.

• Assistance Modules
  We analyze failure causes, develop tailored corrective actions, and explain the technical background — practical and compliant with industry standards

  • Ionic Contamination - ROSE Test & Ion Chromatography

  • Conformal Coating and Edge Flight Optimisation

  • Risk Assessment of Electronic Assemblies

  • Failure Analysis for Corrosion and Leakage Current

  • Sintering in Power Electronics

  • Technical Cleanliness

  • Validation of Production Processes

• Academy
  Training courses for maximum reliability of your assembled printed circuit boards and power modules

• Expert Team
  An experienced team at your side – for sustainable solutions and security.

• Humidity Robustness
  Classify moisture-related failures reliably, substantiate root causes, and implement corrective actions through effectiveness verification.

• Insulation Coordination
  Risk assessment for high voltage power electronics across three key factors: technical cleanliness, ionic contamination, and coating.

• Reduce Defects and Secure Processes
  Systemic Support for Electronic Manufacturing

• FAQ Risk Assessment & Failure Analysis
  This page summarizes key questions on failure remediation and risk assessment in electronics manufacturing

Knowledge-Hub
Expertise for your challenges in the electronics industry

• Insights / Technical articles / Case studies ...
  In-depth insights into electronics cleaning, analysis processes, damage assessment, and risk prevention.

  • Unnoticed Changes to Electronic Assemblies as the Cause of Series Failures

  • Small Cause, Big Impact: Production Halt in Pretzel Manufacturing

  • Safety and Quality Standards in Automotive Manufacturing

  • Ensuring the Technical Cleanliness of High-Voltage Components for Maximum Efficiency

  • Electrochemical Migration: Tracking Power Module Failures

  • Risk Assessment & Failure Analysis: Essential for Reliable Electronics Manufacturing

  • Corrosion and (Green) Discoloration on Electronic Assemblies

  • Your Challenge: Defining the Right Pollution Degree

  • Dendrites, Creepage Distances, and Deposits on Electronic Assemblies – All Consequences of Electrochemical Migration?

  • VDA 19: Technical Cleanliness – The Key to Preventing Particle-Induced Failures

  • Efficiency and Reliability in E-Mobility

  • White Residues on Assemblies: What’s Behind Them?

  • Efficient Solutions for Greater Sustainability and Cost Saving

  • Efficient Cleaning: Choosing Between Batch and Inline Systems

  • Foam Formation in PCB Cleaning: Causes & Solutions

  • Conformal Coating: The Role of Cleaning Before Coating PCBs

  • Sustainable Cleaning in Electronics Manufacturing

  • Environmentally Friendly Electronics Cleaning: Efficiency Meets Environmental Awareness

  • Ensuring Technical Cleanliness in the Production Process

  • The Long-Term Benefits of Power Electronics Cleaning

  • Ensuring Quality and Reliability: The Essential Role of Meticulous Assembly Cleaning

  • SMT Stencil Cleaning: Reliable Print Quality Starts With a Clean Stencil

  • Ion Chromatography or Rose Test: Measure the Ionic Contamination on the Surface of PCBs

  • Ensuring Maximum Technical Cleanliness for Your Electronic Assemblies

  • Flux Residues and Their Effects on Electronic Assemblies

  • The Underestimated Danger: How Moisture Affects Electronic Assemblies

  • Electronic Assemblies: Risk Factor Electrochemical Migration

  • Ultrasonic Cleaning of Electronic Components

  • Maintenance Cleaning: Not Just Cosmetics

  • Electronics Cleaning and Analytics: Key Components of Reliable Electronics Manufacturing

  • The Ideal Maintenance Cleaning Process - What do I Need to Consider?

  • Measuring the Cleaning Agent Concentration for Reliable PCBA Cleaning - a Useful Guide

  • Residues on Electronic Assemblies? FTIR Microscopy Reveals What’s Really Behind Them

  • Dendrites in Power Modules: The Silent Risk with Costly Consequences

• Whitepaper / Technische Fachartikel

  • PCB Production / Analytics

  • PCBA Cleaning

  • Power Electronics

  • Protective Coating

  • Electrochemical Migration

  • Insulation Coordination

  • Ionic Contamination

  • Technical Cleanliness

• Factchecks

  • PCB Cleaning Machine: Do Linear or Rotating Spray Arms Clean Better?

  • Does Shadowing Always Occur in Dishwashers for PCBs?

  • Does PCB Cleaning with Ultrasonic Damage Electronic Components?

  • Which Immersion Processes Exist and How Suitable Are They for Cleaning Assemblies?

  • Cleaning PCBs - What is more important: Pressure or Flow Rate?

  • PCB Cleaning Solutions - Rinsing Water: What Must Be Considered in Water Management and Quality Monitoring

  • Low-Standoff-Cleaning - Avoid contamination and malfunctions

  • Cleaning PCBAs Using Ultrasound or Spraying: Which Process Fits Which Requirement?

  • PCB Cleaning: How Do You Produce Rinse Water of the Best Possible and Consistent Quality?

  • After Rinsing Comes Drying: How to Ensure PCBAs are Truly Dry

  • Carriers in PCBA Cleaning – What Matters in Design and Application

• Videos

• Webinars on Demand
  Webinar recordings that classify various issues relating to the reliability of electronic assemblies

Company
ZESTRON - Your partner for reliable electronics

• Locations
  Our experienced process engineers provide support at eight international locations.

• Exhibitions and Conferences
  Come and meet our team at national and international trade fairs and conferences.

• Contact