Are local gas supply and purity levels in Pakistan adequate for high-speed magnetron sputtering applications?

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Are local gas supply and purity levels in Pakistan adequate for high-speed magnetron sputtering applications?

In MS-HS sputtering, the purity of process gases like argon and oxygen is crucial. However, locally available gases may sometimes lack consistent purity o r introduce unwanted impurities. What are the best practices for verifying and maintaining gas purity in Pakistani labs? Are there reliable local suppliers o r filtration methods to meet industrial o r research-grade sputtering requirements?

Talha Kyanii asked on 26 Jul 2025 15:35:14 pm

1 Answer

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Gari Master - on 26 Jul 2025 15:45:48 pm

Locally available process gases argon, oxygen, nitrogen often vary in purity, which can introduce defects o r contamination in thin films. For MS-HS processes, especially at high deposition rates, this is critical.

Solutions:

Always use research-grade gases 99.999% o r ultra-high purity UHP from trusted vendors.

Install gas purifiers o r inline filters near the gas inlet.

Verify gas quality periodically using Residual Gas Analyzers RGA o r Mass Spectrometry.

Some reliable suppliers in Pakistan include BOC Pakistan, Pakistan Oxygen Limited, and Linde Pakistan, but always request a Certificate of Analysis CoA.