[Information] Transmittance measurement service using a self-recording spectrophotometer
We are explaining the changes in transmittance of PET resin and PVC resin using graphs!
Introducing the "Transmittance Measurement Service Using a Self-Recording Spectrophotometer." The transmittance of transparent materials is an important characteristic item in the specifications of the products used. This characteristic may deteriorate or be lost due to degradation from heat, humidity, ultraviolet light, and other factors. This document includes the principles of the equipment, as well as a comparative evaluation of the changes in transmittance of transparent resins before and after constant temperature and humidity testing, along with discussions. We encourage you to read it. [Contents] ■ Principles and specifications of the self-recording spectrophotometer ■ Changes in transmittance of PET resin (polyethylene terephthalate) ■ Changes in transmittance of PVC resin (polyvinyl chloride) *For more details, please refer to the PDF document or feel free to contact us.
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Optical film light transmission characteristics
At Aites Co., Ltd., we conduct "optical film analysis." Optical films used in smartphones and other devices have various functions depending on their structure and materials. We measured the light transmittance of privacy protection films at different angles and combined cross-sectional observation with Raman analysis to investigate the mechanism of function manifestation. By investigating the transmittance characteristics of privacy protection films using angle-variable spectrophotometry, we were able to analyze the mechanism of function manifestation through cross-sectional observation and Raman analysis. At Aites, we provide consistent evaluation and analysis from material properties to the mechanisms of function manifestation.
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Analysis of film property changes due to UV irradiation.
The blue light cut film has the effect of suppressing the transmission of visible light, particularly light with a wavelength of 500 nm or less, compared to regular PET film. Using a spectrophotometer, we verified how the light transmittance of the blue light cut film changes under UV irradiation. The transmittance of light in the wavelength range of 350 to 400 nm decreased further due to UV irradiation. Additionally, we conducted an analysis of the reactions occurring within the film using GC-MS. [Analysis Content] ■ Light transmittance characteristics of regular PET film and blue light cut film ■ UV irradiation of blue light cut film ■ GC-MS analysis of components within the film For more details, please refer to the related products and catalogs below.
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Aites was established in 1993, originating from the quality assurance department of the IBM Japan Yasu office. Based on the technical expertise cultivated through cutting-edge defect analysis and reliability assurance of electronic components at the IBM Japan Yasu office, we have provided various products and services that support the development and manufacturing of semiconductors, displays, organic EL, solar cells, and electronic components to customers both domestically and internationally.