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Our full range of plasma surface treatment products

TEM sample plasma cleaners - up-close shot of the nozzle

Henniker specialises in advanced, compact plasma cleaners that deliver precision surface cleaning for electron microscopy applications, ensuring reduced contamination and sharper, more reliable results.

Our versatile systems are compatible with major TEM and SEM sample holders, offering fully automated control and gentle, low-power operation. Experience increased measurement stability, minimised common sources of error, and simplified sample preparation backed by robust, user-friendly technology that adapts to your research needs. 
The TEM sample plasma cleaners/plasma ashers are fully automated and come with standard adapters suitable for the sample holders supplied with all the major microscope manufacturers.

A compact, benchtop format, the HPT-100 is a fully automated, programmable device with standard adapters suitable for TEM specimen holders from all the major microscope manufacturers. The plasma output power is fully variable over the range 0-l00W (0-200W option), allowing gentle cleaning that can handle both ultra-thin carbon and graphene grids as well as bulk carbon deposition removal after STEM imaging.

Additionally, we offer an optional TEM holder vacuum storage manifold, capable of holding up to three sample holders (extendable to 5). It includes blanking plugs to seal individual sample holder chambers when not in use.
 
TEM Holder Vacuum Storage Manifold with TEM Holder Blanking Plugs Installed
The TEM plasma cleaner/plasma asher is an application-specific solution for low-pressure plasma cleaning and preparation of electron microscopy samples including:
  • Plasma cleaning
  • Low power operation
  • Front feed of TEM sample holder
  • Integral TEm holder vacuum storage manifold
  • Multiple TEM grids and SEM stub cleaning
  • Re-entrant style sample holder introduction
  • Dual gas inlets for O2/Ar and other gases
  • Recipe store and recall

For more detailed information visit our model page below;

Our Models

TEM Cleaner

TEM Cleaner

Our low-cost plasma cleaners/plasma ashers for TEM sample holders are designed specifically for fast and efficient cleaning.


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See what our customers have to say

Vivid Dx Blue and transparent logo

"In 2024, we needed a plasma cleaner for rapid prototyping and PDMS microfluidic bonding. Henniker Plasma quickly identified the right system and provided practical PDMS bonding guidance. The system was delivered within 8 days, enabling us to start R&D earlier than planned. Same-day technical support and protocols have greatly accelerated our research."

Aaron Teo - Vivid Dx

Vivid Dx

"The technical team at Henniker are very knowledgeable and supportive and always approachable. I have found it a pleasure to work with them."

Simon Baxter - BAE Systems, MAI

BAE

"Henniker guided us to choose the most suitable plasma unit for our application, ensured an accelerated delivery time & guided us through the very easy setup. We obtained quality results with their unit within minutes of setup & consistent results thereafter. The support they have provided has been rapid and helpful."

Dr Ravi Desai - Making Lab, Francis Crick Institute

Francis Crick Institute

"Henniker provided our team with excellent service during the course of our work together, the plasma cleaner arrived quickly and was installed with ease, giving us visible results from the outset and confirming that we made the right decision in choosing a local UK manufacturer."

Dr Panagiotis Manesiotis BSc MRSC - Queen’s University Belfast

Queens Uni Belfast

"Our customers and operations demand reliability at every level and were a key factor in our decision to choose a UK based manufacturer of plasma treatment equipment."

Tom Doak - Trak Microwave

Queens Uni Belfast

"Henniker’s after sales support is first class. They have always been extremely responsive if we have ever had need to call on them."

Steve Rackham - Teledyne

Teledyne

"Henniker’s plasma systems have delivered tangible benefits to us right from day one. The team there are very easy to work with."

Ian Bruce - Coopervision

Coopervision

"Henniker really stood out, both in their product range and technical knowledge. They are a great company to work with."

Karthik Nair - University of Bradford

University of Bradford

"We are very impressed with the ease of use and reliability of our plasma unit and were producing results within minutes of setting it up."

Dr Neil Wilson - Warwick University

Warwick University

"Our collaborative work with the team at Henniker was a very positive experience and one that we look forward to developing further."

Ewen Kellar - TWI

TWI

"Henniker provided a tailored product to match our exact requirements. They are a pleasure to work with."

Dr Will Shu - Heriot Watt University

Heriot Watt University
Vivid Dx Blue and transparent logo

"In 2024, we needed a plasma cleaner for rapid prototyping and PDMS microfluidic bonding. Henniker Plasma quickly identified the right system and provided practical PDMS bonding guidance. The system was delivered within 8 days, enabling us to start R&D earlier than planned. Same-day technical support and protocols have greatly accelerated our research."

Aaron Teo - Vivid Dx

Vividdx

"The technical team at Henniker are very knowledgeable and supportive and always approachable. I have found it a pleasure to work with them."

Simon Baxter - BAE Systems, MAI

BAE

"Henniker guided us to choose the most suitable plasma unit for our application, ensured an accelerated delivery time & guided us through the very easy setup. We obtained quality results with their unit within minutes of setup & consistent results thereafter. The support they have provided has been rapid and helpful."

Dr Ravi Desai - Making Lab, Francis Crick Institute

Francis Crick Institute

"Henniker provided our team with excellent service during the course of our work together, the plasma cleaner arrived quickly and was installed with ease, giving us visible results from the outset and confirming that we made the right decision in choosing a local UK manufacturer."

Dr Panagiotis Manesiotis BSc MRSC - Queen’s University Belfast

Queens Uni Belfast

"Our customers and operations demand reliability at every level and were a key factor in our decision to choose a UK based manufacturer of plasma treatment equipment."

Tom Doak - Trak Microwave

Queens Uni Belfast

"Henniker’s after sales support is first class. They have always been extremely responsive if we have ever had need to call on them."

Steve Rackham - Teledyne

Teledyne

"Henniker’s plasma systems have delivered tangible benefits to us right from day one. The team there are very easy to work with."

Ian Bruce - Coopervision

Coopervision

"Henniker really stood out, both in their product range and technical knowledge. They are a great company to work with."

Karthik Nair - University of Bradford

University of Bradford

"We are very impressed with the ease of use and reliability of our plasma unit and were producing results within minutes of setting it up."

Dr Neil Wilson - Warwick University

Warwick University

"Our collaborative work with the team at Henniker was a very positive experience and one that we look forward to developing further."

Ewen Kellar - TWI

TWI

"Henniker provided a tailored product to match our exact requirements. They are a pleasure to work with."

Dr Will Shu - Heriot Watt University

Heriot Watt University