SMT Manufacturing: Comprehensive Solutions for Reliable Electronics

One-stop SMT manufacturing – from process qualification and cleaning to surface analytics – ensuring efficient production workflows and reliable product quality.

smt manufacturingComprehensive SMT Solutions for Maximum Reliability 

For many years, we have been your specialist in functional surfaces and process interfaces in SMT manufacturing. Our expertise in electronics cleaning, detailed surface analytics, and consideration of downstream processes ensures the reliability of your PCBAs

We complement this expertise with a holistic approach, ranging from identifying failure causes related to moisture robustness to implementing preventive measures as part of technical cleanliness.

Our goal: Preventing costly failures for your business.


For Maximum Reliability:
Our 5-Step Plan for Your Assembled PCB

Cleaning process qualification Customized Process Development & Optimization

From initial testing to commissioning and equipment maintenance – with the comprehensive We-Care Program, ZESTRON collaborates with you to develop a cleaning process perfectly tailored to your assembled PCBAs. Whether optimizing an existing process or designing a new, customized approach, we support you as a trusted partner from the very beginning.

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Consultation between a Zestron engineer and two customers in the technical centre. | © @The Sour Cherry Fotografie - Michaela Curtis

A Zestron engineer stands at the batch cleaning system in the machine test centre and inspects the cleaned PCBs. | © @The Sour Cherry Fotografie - Michaela Curtis

Cleaning System Selection Cleaning Tests in the Technical Center

In our Technical Center, we offer a wide range of systems and processes for cleaning assembled PCBAs. Under production-like conditions, we conduct machine tests to develop the optimal solution—precisely tailored to your requirements and budget.

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cleanliness & bath analysis Comprehensive Process Control

Using state-of-the-art analytical technology and adhering to international standards such as IPC, MIL, and J-STD, we analyze both the surface cleanliness of your assembled PCBAs and the composition of your cleaning baths in our analytical center. This holistic analysis ensures the highest product quality and the reliable functionality of your assembled PCBAs.

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A green circuit board is viewed through a Keyence microscope by a laboratory employee at Zestron's analysis centre. | © @The Sour Cherry Fotografie - Michaela Curtis

PBCS cleaning in the technical centre on the inline cleaning system | © @The Sour Cherry Fotografie - Michaela Curtis

cleaning agents If ZESTRON Can’t Clean It, It Can’t Be Cleaned

ZESTRON consistently focuses on meeting the specific needs of its customers. Our cleaning solutions are designed to meet the high cleanliness requirements of SMT manufacturing. With a broad product portfolio, we help our customers achieve the highest quality standards.

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Failure Analysis & Risk Mitigation For Operational Reliability & Dependable Products

Whether dealing with an acute failure or aiming for preventive risk minimization, our experts support you with comprehensive failure analysis and in-depth risk assessment. We identify failure causes on the surface of your assemblies, uncover weak points, and develop tailored solutions for safe and reliable products.

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A group of employees discuss the purity determination of electronic assemblies. | © @The Sour Cherry Fotografie - Michaela Curtis

zestron we-care-programTailored Solutions for Your SMT Manufacturing

From process qualification and the selection of suitable cleaning systems and agents to quality control – and even in the event of failures or quality issues – we are your reliable partner.

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Benefit from our expertise

A close-up of a printed circuit board with white spots is shown. | © @ZESTRON

White Residues on the Assembly

Possible causes and possible solutions

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Printed circuit boards are lined up next to each other, ready for the cleaning process before conformal coating. | © Zestron

Conformal Coating: Cleaning Before PCB Coating

Why Cleaning Before Protective Coating Makes Sense.

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Two laboratory employees are in the analytical centre and carry out the ion chromatography analysis procedure. | © @The Sour Cherry Fotografie - Michaela Curtis

Flux Residues and Their Effects on Electronic Assemblies

Understanding the importance of flux residues and taking effective countermeasures.

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A close-up of an assembly that has been exposed to moisture is shown. | © ZESTRON

The Underestimated Danger: How Moisture Affects Electronic Assemblies

Moisture can cause significant issues, so a good understanding of the risks and appropriate protective measures is crucial.

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