Observing the number and distribution of conductive particles is a critical step in ensuring that they meet the required standards. This process is essential for every LCD module manufacturer, as it directly impacts the quality and performance of the final product.
To effectively examine conductive particles, a metallographic microscope equipped with DIC (Differential Interference Contrast) and polarizing components is highly recommended. These features allow for clearer visualization of the particles, making it easier to assess their quantity and placement accurately.
When using a metallographic microscope for this purpose, it's important to choose a lens with a magnification of no more than 20x. Using higher magnifications can lead to issues with depth of field, resulting in blurry images that make it difficult to analyze the particles properly. The right equipment ensures optimal clarity and precision during the inspection process.
The Mingmei MJ33DIC metallographic microscope offers an excellent balance between affordability and performance, making it the ideal choice for observing conductive particles. Its advanced DIC technology provides superior contrast and detail, allowing even small or hidden particles to be clearly visible.
Below is an image captured using the MJ33DIC microscope, paired with our company’s independently developed high-definition microscopic imaging system:
Here is another image showing the same sample under the DIC mode:
In the second image, the red area represents a conductive particle that is not visible under normal observation modes. This highlights the importance of using specialized microscopy techniques like DIC to detect and analyze such particles accurately. With the right tools, manufacturers can ensure better quality control and improved product reliability.
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