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Evaluation of pore distribution in non-woven fabric sheets

Evaluation of pore distribution in non-woven fabric sheets

Important analysis items for performance evaluation and quality control of functional materials! Evaluation of pore size and pore distribution of non-woven sheets and membrane materials.

This is an example of evaluating the maximum pore diameter and pore size distribution of non-woven fabric sheets using the bubble point method. The sample is immersed in a chemical solution and air pressure is applied. The pressure is increased until it overcomes the surface tension of the chemical solution absorbed in the sheet, resulting in the appearance of bubbles; this pressure is referred to as the bubble point. The maximum pore diameter can be calculated based on the bubble point pressure and the surface tension of the chemical solution. 【Calculation Formula】 ■d = Cy/P ・d: Maximum pore diameter ・C: Constant ・y: Surface tension of the chemical solution ・P: Differential pressure *For more details, please refer to the PDF document or feel free to contact us.

  • Analytical Equipment and Devices

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[Analysis Case] Evaluation of Carrier Density Distribution in Power Devices

[Analysis Case] Evaluation of Carrier Density Distribution in Power Devices

Evaluation of the activation rate of the Dopant is possible.

SRA (Spreading Resistance Analysis) is a method that involves polishing a sample at an angle, making contact with two probes on the polished surface, and measuring the spreading resistance (Figure 1). By evaluating the carrier concentration distribution, it is possible to gain insights into the activation status of dopants. As an example, we present a case of SRA conducted on the central and outer regions of a diode chip surface after package opening (Figure 2).

  • Contract Analysis

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Evaluation of glass fiber length distribution in resin and plastic.

Evaluation of glass fiber length distribution in resin and plastic.

The length distribution of glass fibers in plastic materials can be evaluated through image processing!

Our company conducts "evaluation of glass fiber length distribution in resin" through morphological observation. We take photographs of glass fibers using an optical microscope and detect each glass fiber through image analysis. Based on the information of fiber length and quantity of the glass fibers, distribution evaluation can be performed using histograms and other methods. Additionally, we can calculate the number-average fiber length, length-weighted average fiber length, maximum fiber length, and minimum fiber length. 【Use Cases】 ■ Understand how changing the type of glass fiber affects the properties of glass fiber reinforced resin. ■ Understand how changing extrusion conditions and molding conditions affects the properties of glass fiber reinforced resin. *For more details, please refer to the related links or feel free to contact us.

  • Contract Analysis

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Evaluation of fiber length distribution of recycled materials

Evaluation of fiber length distribution of recycled materials

The evaluation of the residual fiber length of resin materials containing glass fibers can also be utilized for considering appropriate recycling methods!

In recycled materials containing fillers such as glass fibers, the fiber length distribution after recycling becomes an important factor. Our company is capable of analyzing the fiber length distribution of samples after recycling and grinding. We can also perform evaluations from grinding to analysis using our own grinding machines. Please feel free to contact us when you need our services. 【Features】 ■ Capture images of fibers using an optical microscope and detect each glass fiber through image analysis ■ Based on information on fiber length and quantity, distribution evaluation can be performed using histograms, etc. ■ Additionally, we can calculate the number average fiber length, length-weighted average fiber length, maximum fiber length, minimum fiber length, and more. *For more details, please download the PDF or feel free to contact us.

  • Other analysis and evaluation services

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