Analysis of multilayer materials using micro-Raman.
Depth-direction measurements using Raman spectroscopy! Material analysis of each layer is possible from the surface of multilayer films.
Our "Micro Raman Spectrophotometer" employs a confocal optical system, allowing for the adjustment of the focal position in the depth direction, similar to a microscope, enabling material analysis of each layer from the surface of multilayer films. Using the confocal function of the micro Raman spectrophotometer, the focus of the Raman laser light can be varied in the depth direction. Additionally, by continuously changing the focal position, it is possible to obtain spectra continuously in the depth direction. 【Features】 ■ Adoption of a confocal optical system ■ Enables material analysis of each layer from the surface of multilayer films ■ Capable of varying the focus of the Raman laser light in the depth direction ■ Allows for continuous spectral acquisition in the depth direction *For more details, please refer to the PDF document or feel free to contact us.
basic information
[Analysis Case] ■ The polarizer used in the liquid crystal panel has a structure that sandwiches a layer of polyvinyl alcohol (PVA) with added iodine between layers of triacetyl cellulose (TAC). ■ Continuous measurements of the polarizer in the depth direction using a micro-Raman spectrometer revealed a change from TAC to PVA+I2 to TAC to the adhesive layer as the depth increased. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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We will introduce a case where cross-sections were created and observed by method regarding the adhesive parts of the tires of pull-back cars. When conducting SEM observations of the created cross-sections, fillers present inside the rubber were confirmed. It was found that the dispersion state of the fillers and the condition of the adhesive interface were not clear with fracture by liquid nitrogen or mechanical polishing. In contrast, the cross-sections created by cryo ion milling allow for clear observation of the dispersion state of the fillers contained within the rubber and the condition of the adhesive interface with the plastic substrate.
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