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Chemical Purification

Microelectronic materials are crucial for reducing the requirements of Metal impurities and Halogens

Today’s production in clean rooms had to become stricter. From the process chamber to the lithographic process, the entire industry shifted to ultra-high purity, from ppm to ppb and eventually to ppt levels of metal contaminants.

We possess the core competence of providing high-purity expertise, and we are willing to offer services for the removal of Metal and Halogen contamination on the smallest scale for your valuable products and raw materials.

Client Consultation

  • Initial Meeting: To understand Client's specific needs, Product types, Metal Ion or Halogen Content, Target Content, Detection Method.
  • Sample Collection: Obtain samples from the client to analyze and remove contaminant.

Sample Analysis and Purification

  • The impurity content of the samples should be tested before purification using a mutually agreed method.
  • Process Customization: Tailor the purification process according to the specific attributes of the client's materials and the identified contaminants.
  • Remove Metal impurities or Halogens from the samples.

Post-Purification Analysis

  • Testing: Analyze the purified product using the same characterization techniques employed in the initial analysis to verify the effectiveness of the purification.

Reporting and Feedback

  • Report Generation: Prepare a comprehensive report detailing the results, and any observations made during purification.
  • Client Review: Present findings to the client, discussing the degree of purification achieved and any recommendations for future processes.

Objective Agreement

  • Define the objectives based on the Client's requirements and result of the experiment.
  • Purification services can be conducted either on our production line or at the Client's site.

If you have any questions or suggestions, please send an email to 'info@essenoichemical.com'.

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