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Absolute PL quantum yield measurement

Absolute PL quantum yield measurement

Absolute PL quantum yield measurement is a method for determining the photoluminescence efficiency of materials.

Absolute PL quantum yield measurement is a method to determine the luminescence efficiency of a material, specifically how efficiently light (energy) absorbed by the material is converted into emitted light. - Since an excitation light source with a spectrometer is used, excitation at various wavelengths (approximately 350 to 800 nm) is possible. ■ Features of MST - The equipment is managed under controlled atmospheric conditions, allowing measurements of thin film samples without the influence of oxygen.

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  • Contract Analysis
  • Contract measurement
  • Contract Inspection

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Measurement of solder crack rate by cross-sectional observation.

Measurement of solder crack rate by cross-sectional observation.

Calculating the crack rate of ball joints and implementing it according to customer specifications!

After the solder durability test on the circuit board, if cracks occur in the solder joints, the crack rate will be calculated to confirm whether the cracks are within the allowable standards. The evaluation standards after the solder durability test can be individually defined based on the product environmental specifications, so most customers have their own standards. The measurement methods vary according to the shape of the components, but when you make a request, we will carry out the tests according to your specifications. 【Service Contents】 ■ Solder joints of BGA - Calculation of crack rate for ball joints ■ Solder joints of chip resistors - Calculation of crack rate for both ends of square and rectangular terminals ■ Solder joints of coil components - Calculation of crack rate for ribbon leads and QFP leads *For more details, please refer to the PDF document or feel free to contact us.

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  • Contract measurement

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