一般財団法人材料科学技術振興財団　MST Product Lineup

TOF-SIMS (Time-of-Flight Secondary Ion Mass Spectrometry) is a method that can sensitively evaluate organic and inorganic substances on the very surface, and it can be used as an analytical tool for various quality control processes of products. For example, it can be used for regular checks of surface contaminants during product storage, investigating the causes when defects such as peeling or discoloration occur in products, and analyzing changes in key components before and after altering manufacturing conditions. This document presents an example of comparing the surfaces of silicon wafers stored under different environments, focusing on the representative contaminant polydimethylsiloxane (PDMS). Measurement method: TOF-SIMS Product fields: Electronic components, manufacturing equipment, parts, and others (general electronics) Analysis purposes: Surface analysis, evaluation of chemical bonding states, failure analysis, defect analysis, and others (contamination assessment, quality control) For more details, please download the document or contact us.

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Organic EL displays are advancing towards practical use by leveraging advantages such as high brightness, high-resolution color, and thinness due to their self-emission principle. In the emission layer, guest molecules are doped into host molecules to enhance the emission efficiency. In this study, we identified the emission layer materials for red pixels in organic EL display elements. Additionally, we conducted thickness evaluation of the emission layer using a newly developed step gauge and quantified the guest materials within the emission layer. This allows for qualitative and quantitative analysis of guest molecules in the emission layer, as well as evaluation of the thickness of the emission layer. Measurement methods: TOF-SIMS, TEM, XPS Product field: Displays Analysis purpose: Composition evaluation, identification, thickness evaluation For more details, please download the materials or contact us.

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In improving the characteristics of lithium-ion secondary batteries, electronic conductivity is an important factor, and conductive additives are required to have high electronic conductivity and high dispersibility. The mainstream conductive additive, carbon, can be broadly categorized into two types: crystalline and amorphous, and is used either as a single agent or as a composite material. This document introduces a case where the type of carbon used as a conductive additive in the positive electrode is identified based on its crystallinity, and the dispersion state is evaluated by visualizing the in-plane distribution. Measurement methods: Raman, SEM Product field: Secondary batteries Analysis objectives: Composition distribution evaluation, structural evaluation, product investigation For more details, please download the document or contact us.

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The frequency of mask usage has increased to prevent infections caused by viruses. However, there is a lack of structural data that serves as a basis for their usage methods and resistance. This document presents the results of observing the fibers on the surface of masks before and after alcohol disinfection using SEM. After alcohol disinfection, it was found that the shape of the fibers changed, and the characteristic convex shapes observed before disinfection decreased. Measurement method: SEM Product field: Daily necessities, virus prevention-related products Analysis purpose: Shape evaluation, structural evaluation, degradation investigation, reliability assessment, product investigation For more details, please download the document or contact us.

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3D fluorescence spectra contain three types of information: excitation wavelength, fluorescence wavelength, and fluorescence intensity, and are also referred to as fluorescence fingerprints. Fluorometers are highly sensitive, and 3D fluorescence spectra have the characteristic of containing a large amount of information, making them promising for applications in the analysis of food, cosmetics, daily necessities, and environmental wastewater. By using multivariate analysis for the analysis of 3D fluorescence spectra, it is possible to compress and reduce the dimensions of the data and visualize the features. This document presents an example of an analysis conducted on olive oil. Measurement method: Fluorometer, computational science, AI, data analysis Product fields: Biotechnology, pharmaceuticals, cosmetics, daily necessities, food, environment Analysis purpose: Product investigation, safety evaluation For more details, please download the document or contact us.

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We have launched a new service using Glow Discharge Mass Spectrometry (GDMS) starting from May 15 (Monday). - Simultaneous analysis of over 70 elements, from major components to trace components at the ppb level, is possible. - Detection of C, N, and O at the ppm level, which was previously difficult. - Depth direction analysis is possible from nm to several tens of µm.

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Multilayer Ceramic Capacitors (MLCC) are capacitors that have a laminated structure consisting of internal electrodes (metal) / dielectric layers (insulator) / internal electrodes (metal). One of the issues with MLCCs is the insulation degradation (lower resistance) of the dielectric layer under high electric fields and high temperatures, which can lead to short circuits between the electrodes. Visualizing the low-resistance conductive paths formed within the dielectric layer is an important clue to understanding the insulation degradation phenomenon. This document presents a case where the insulation degradation of dielectric materials due to temperature changes was visualized by combining SSRM measurement (high electric field) and heating mechanisms (high temperature). Measurement method: SSRM (Scanning Spreading Resistance Microscopy) Product fields: Dielectric materials, capacitors, MLCC Analysis objectives: Resistance value distribution, current distribution, insulation degradation evaluation For more details, please download the document or contact us.

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This explains the measurement of total light transmittance and total light reflectance.

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NMN, a type of niacin derivative, is known to be involved in the function of sirtuin genes, often referred to as longevity genes, and has gained attention in recent years. This document presents a case where the NMN content of commercially available capsules was quantitatively analyzed using NMR without the use of standard samples. Measurement method: NMR Product fields: Biotechnology, Pharmaceuticals, Cosmetics, Food Analysis purpose: Impurity evaluation, Product investigation, Safety testing For more details, please download the document or contact us.

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The combustion ion chromatography (IC) method allows for the investigation of the content of halogens (F, Cl, Br) and sulfur contained in solid materials such as plastics and resins, as well as in liquid materials like organic solvents. As shown in Figure 1, gases generated by combusting and decomposing the sample in a combustion furnace are collected in an absorbent solution. By measuring this absorbent solution using ion chromatography, it is possible to determine the content of halogens and sulfur in solid samples that are insoluble in water.

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Generally, the field size and resolution of X-ray CT are in a trade-off relationship, where increasing the resolution results in a smaller field size. Therefore, X-ray CT has a imaging method called "stitching," which allows multiple CT images to be vertically connected. With the stitching imaging method, it is possible to observe a wide field size even under high-resolution conditions.

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Both TOF-SIMS and MALDI-MS are techniques capable of imaging mass spectrometry (IMS), each with different strengths in terms of components, mass, and spatial resolution. TOF-SIMS excels in low-mass components and allows for imaging with high surface resolution. On the other hand, MALDI-MS specializes in high-mass components and has a wide variety of lipids that can be imaged. Here, we will introduce examples of measurements taken with TOF-SIMS and MALDI-MS, using the results of imaging mass spectrometry of lipids in mouse testes as an example.

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LDI (Laser Desorption Ionization) is a method that uses only the energy of ultraviolet lasers to sublime and ionize molecules. On the other hand, MALDI (Matrix-Assisted Laser Desorption Ionization) is a method that sublimates and ionizes molecules by exposing a sample mixed with a matrix to ultraviolet lasers.

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In this method, the differences in the mass of bases are analyzed using MALDI-TOF-MS to determine the DNA base sequence. This allows for the detection of SNPs (single nucleotide polymorphisms), INDELs (insertions/deletions), CNVs (copy number variations), and more. It is characterized by the ability to analyze a large number of samples and detect a wide range of genes at once. - Multiplex PCR and MALDI-TOF-MS enable simultaneous analysis of up to 40 mutation sites. - Mass spectrometry specialized for the detection of bases (A/T/G/C) is possible. - A variety of analytical tools are available that have been pre-designed to detect target genes based on specific purposes. - Custom designs for analytical tools are also possible.

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Carrier lifetime refers to the time it takes for minority carriers among the excess carriers generated during the operation of electronic devices to decay to 1/e. Proper control of this is important for managing the electrical characteristics of the device. On the other hand, luminescence lifetime indicates the time until the luminescence intensity from the sample reaches 1/e, and it can be calculated from the luminescence decay curve. Since some minority carriers emit light during recombination, it is possible to indirectly evaluate the carrier lifetime from luminescence lifetime measurements. This document presents a case study on the evaluation of carrier lifetime for 4H-SiC epitaxial substrates. Measurement method: Fluorescence lifetime measurement Product fields: Power devices, LSI/memory, electronic components Analysis purposes: Failure analysis, defect analysis, product investigation, carrier lifetime, process evaluation For more details, please download the document or contact us.

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NMN (β-nicotinamide mononucleotide) is known to be involved in the function of sirtuin genes, which are also referred to as longevity genes, and has garnered attention in recent years. This document focuses on NMN, monitoring the changes in 1H-NMR spectra due to heating treatment in water, and presents an analysis of the decomposition and changes of NMN caused by heat. Measurement method: NMR Product fields: Biotechnology, Pharmaceuticals, Cosmetics, Food Analysis objectives: Composition evaluation, Identification, Impurity evaluation, Deterioration investigation For more details, please download the document or contact us.

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This method is a gene analysis technique that utilizes mass spectrometry with MALDI-TOF-MS, allowing for the analysis of multiple SNP sites in a single measurement. Up to 40 SNPs can be measured simultaneously across 190 samples. The overall analysis follows the flow outlined below. Primers designed to amplify the target SNP regions without overlapping mass peaks, along with primers designed to extend only one base at each SNP site, are used to create mass differences in the DNA fragments, from which the bases are determined based on the detected mass peaks.

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Impurities contained in semiconductor materials can affect product quality, leading to issues such as leakage current and early device failure. Therefore, understanding the amount of impurities in the materials is crucial for improving product quality. This document presents a case study on SiC substrates, which are gaining attention as power device materials, analyzing impurities adhered to the substrate surface using ICP-MS and impurities within the substrate using GDMS. Measurement methods: ICP-MS, GDMS Product fields: Power devices, manufacturing equipment, components Analysis purpose: Trace concentration evaluation For more details, please download the document or contact us.

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【Analysis Examples】 - Batteries/Semiconductors: Solution NMR of electrolytes and multinuclear/solid NMR measurements under non-exposure to the atmosphere - Resins/Polymers: Analysis of the composition and degradation of resin components and polymers is possible - Food/Environment: Quantification of components in food and supplements and analysis of degradation status - Pharmaceuticals/Bio: Measurement of the presence and strength of interactions between drugs and receptors is possible

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Eugenol is used in fragrances, disinfectants, and pharmaceuticals such as anesthetics. Its structural isomer, isoeugenol, is used in the industrial production of vanillin and as a fragrance formulation agent. This document presents a case study where quantum chemical calculations were used to simulate the Raman spectra of eugenol and isoeugenol. By comparing simulation results like those in this study with experimental data, structural information can be obtained, allowing for the identification of structural isomers. Additionally, the stability of the structure and its electronic states can also be discussed.

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Antimicrobial coatings and coated everyday items aimed at infection prevention, mold prevention, and odor control have become widely popular. Among them, silver ions (Ag) are known to exhibit antibacterial and sterilizing effects against bacteria and viruses, while being almost harmless to the human body, making them widely used as inorganic antimicrobial agents. We will introduce a case study that focused on the presence of Ag as an antimicrobial component on the sample surface and evaluated the presence and durability of the antimicrobial coating film.

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In electronic devices that use a lot of semiconductors, each component is mounted by soldering. If defects occur in the solder joints, it can lead to malfunctions in the electronic devices. Therefore, evaluating the wettability of solder is important for assessing the reliability of components. In this study, we artificially degraded the samples to examine how the wettability of the solder changes. After the constant temperature and humidity test, it was found that the wettability of the electrode surface changed. Measurement methods: Constant temperature and humidity test, solder wettability test Product fields: Power devices, LSI/memory, electronic components Analysis purpose: Degradation investigation, reliability evaluation For more details, please download the materials or contact us.

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Lithium hexafluorophosphate (LiPF6), the main component of the electrolyte in lithium-ion batteries, is known to undergo hydrolysis upon reaction with moisture, generating fluoride ions. This document presents a case where the concentration of fluoride ions produced by the atmospheric exposure of the electrolyte (1M LiPF6, EC:EMC = 3:7 v/v) was evaluated using 19F-NMR, which allows for absolute quantification without the use of standard compounds. Measurement method: NMR Product field: Secondary batteries and electronic components Analysis purpose: Failure analysis, defect analysis, degradation investigation For more details, please download the document or contact us.

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Aromatic azo compounds with reduction activity are attracting attention as low-environmental-impact next-generation organic active materials that can replace the currently dominant metal active materials in alkaline ion batteries and redox flow batteries. Evaluating battery performance is useful through the examination of the electronic structure and redox properties of materials using simulations in addition to experiments. This document presents examples of quantum chemical calculations of the reduction potential of azobenzene and its carboxylic acid derivative salts, as well as molecular orbital calculations. In this way, the electrochemical properties of materials can be estimated through simulations. Measurement methods: Computational science, AI, data analysis Product field: Secondary batteries Analysis purpose: Evaluation of chemical bonding states "For more details, please download the document or contact us."

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GaN-based high electron mobility transistors, known as GaN HEMTs (High Electron Mobility Transistors), utilize an AlGaN/GaN heterostructure to achieve a two-dimensional electron gas layer (2DEG), resulting in high electron mobility. They are used in applications such as fast chargers, leveraging these characteristics. This document presents the disassembly and evaluation of normally-off GaN HEMT devices. We will introduce a case study that employs a combination of analytical methods to gather comprehensive insights about the samples. Measurement methods: SIMS, TEM, SCM, SMM. Product field: Power devices. Analysis objectives: Trace concentration measurement, shape evaluation, film thickness evaluation, structural evaluation, product investigation. For more details, please download the document or contact us.

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Ceramics are inorganic compound materials widely used in everyday goods and electronic components. For evaluating the discoloration of ceramics caused by impurities and adherents, TOF-SIMS analysis, which allows for imaging analysis of trace components regardless of organic or inorganic substances at the focus area, is effective. This document presents a case study where the discoloration of aluminum oxide ceramics was analyzed using TOF-SIMS, demonstrating the cause of discoloration through ion images and line profiles. Measurement method: TOF-SIMS Product field: Manufacturing equipment and components Analysis purpose: Composition distribution evaluation For more details, please download the document or contact us.

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Ceramics are inorganic compound materials widely used in everyday items and electronic components. Their surface condition significantly affects the properties and performance of materials such as everyday items and electronic components. Therefore, it is important to properly evaluate the surface condition when assessing the functionality of ceramics. This document introduces a case study evaluating the cleaning components that contribute to the wettability of ceramic surfaces made of zirconium oxide, using TOF-SIMS to assess surface distribution and depth distribution. Measurement method: TOF-SIMS Product field: Manufacturing equipment and components Analysis purpose: Qualitative and distribution evaluation For more details, please download the document or contact us.

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Ceramics are inorganic compound materials widely used in everyday items and electronic components. They possess characteristics such as heat resistance and chemical resistance, and evaluating the surface condition is important for utilizing the functions of ceramics. This document introduces a case where the cause of decreased hydrophobicity in Zr oxide ceramic materials with hydrophobic surface treatment was evaluated using TOF-SIMS. Measurement method: TOF-SIMS Product field: Manufacturing equipment and components Analysis purpose: Composition evaluation and identification For more details, please download the document or contact us.

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Among physiological active compounds, there are many that act by targeting proteins. Therefore, obtaining structural insights into the interactions between small molecules and proteins is very important for drug development. This document presents a case study analyzing the interactions between L-tryptophan and bovine serum albumin (BSA) in solution using NMR and molecular dynamics calculations.

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Measurement method: LC/MS Product field: Food and pharmaceuticals Analysis purpose: Composition evaluation and identification

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We will open the Chitose Sales Office, the first in the Hokkaido area as MST. Based in the Chitose Sales Office, we aim to further improve our services for customers in the Hokkaido area. We will also achieve satisfactory quality and delivery times through close collaboration with our Tokyo headquarters (lab). Please look forward to it! Opening date: Thursday, April 11, 2024 Address: Room 160, Chitose Arcadia Plaza, 1-3-1 Kashiwadai Minami, Chitose City, Hokkaido *Please send samples to the headquarters located in Setagaya, Tokyo. Headquarters address: 1-18-6 Kitami, Setagaya, Tokyo Phone number: 090-4001-1578 (Contact: Yanagimachi)

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Acetate cellulose, obtained through the acetylation of cellulose known as a wood component, has high biodegradability and is widely used as synthetic resin, fiber, and film. It is known that the physical properties, such as solubility, change significantly depending on the degree of acetylation (degree of substitution of acetyl groups), making the evaluation of the degree of acetylation very important for industrial applications. This document presents a case study evaluating the degree of acetylation of commercially available acetate cellulose using 13C-NMR analysis. Measurement method: NMR Product fields: Biomass, polymer materials, cosmetics, daily necessities Analysis purpose: Structural evaluation, product investigation For more details, please download the document or contact us.

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Real-time PCR is a method that detects the amplification of DNA fragments from PCR reactions as a fluorescent signal for each cycle. This introduces SNP (Single Nucleotide Polymorphism) analysis using the probe method of real-time PCR. Specific base sequences (probes) labeled with a reporter (fluorescent dye) and a quencher (quenching substance) are used to repeat the three steps shown below: 1) to 3). By using different reporters for each base, the SNP base is identified from the fluorescence intensity. Reactions at each step: 1) Thermal denaturation DNA is converted from double-stranded to single-stranded. 2) Annealing and hybridization Primers and probes specifically bind to single-stranded DNA. 3) Extension reaction The probe is degraded by the extension reaction of the primer, releasing the reporter from the quencher, resulting in fluorescence.

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SNP (Single Nucleotide Polymorphism) refers to the parts of the DNA sequence that differ by a single nucleotide among individuals. It is believed that SNPs can lead to different characteristics such as physical traits and are also related to drug response. Therefore, SNP analysis is expected to be applied in personalized medicine. This document introduces the characteristics of real-time PCR and mass array methods among SNP analysis techniques. It is effective to choose the method according to the specific SNP locations, number of SNPs, and their frequencies that need to be investigated.

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Power devices are attracting attention from the perspective of power and energy conservation as switches for high voltage and large current. In power devices, wiring defects and electrical failures occur due to the application of high voltage. Additionally, identifying and analyzing the causes of defects is essential for improving product reliability. This document presents a case study where the identification of defective areas was conducted using EMS (Emission Microscopy Method), and the analysis of defect causes was evaluated using SCM (Scanning Capacitance Microscopy) and SEM (Scanning Electron Microscopy). Measurement methods: EMS, SCM, SEM Product field: Power devices Analysis purpose: Failure analysis and defect analysis For more details, please download the document or contact us.

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We rapidly and accurately measure proteins and hormones present in human blood and urine with high sensitivity and precision. The ECLIA method (Electrochemiluminescence Immunoassay) involves reacting antibodies (antigens) labeled with chemiluminescent substances with magnetic particle-bound antibodies (antigens), and measuring the amount of light emitted from this immunocomplex through a redox reaction on an electrode in the presence of TPA (Tripropylamine). In addition to over 60 test items corresponding to specialized fields such as thyroid, cardiology, and gynecology, we can also perform quantitative tests for antigens and antibodies related to infectious diseases, including the novel coronavirus.

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In the manufacturing of semiconductor devices, the control of impurities such as dopants is a crucial process. When focusing on ion implantation, even slight differences can affect quality and performance, making precise control necessary. The high reproducibility of SIMS analysis is ideal for the development and maintenance of these processes.

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Gallium nitride (GaN), a wide bandgap semiconductor, is used in a wide range of fields such as power devices and communication/optical devices. When fabricating devices, the shape and roughness of the wafer surface significantly impact device performance. During the growth of GaN wafers, a step-terrace structure is formed on the surface due to stress effects from lattice mismatch with the supporting substrate. This document introduces a case where the step-terrace structure of the GaN substrate surface was visualized using AFM, and the terrace width, step height, surface roughness, and off-angle were evaluated. Measurement method: AFM Product fields: Power devices, electronic components, lighting Analysis purpose: Shape evaluation, structural evaluation For more details, please download the document or contact us.

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The tape stripping method is a technique for removing the stratum corneum from the skin surface using adhesive tape, and it is an effective method for evaluating the permeability of active ingredients in cosmetics and beauty devices to the skin. Products containing tranexamic acid, known for its whitening properties (such as lotions and emulsions), were applied to a person's arm, and the process of stripping the stratum corneum with adhesive tape was repeated 30 times after a certain period. By extracting multiple pieces of adhesive tape with a solvent and analyzing the extract using LC-MS/MS, the content of tranexamic acid in the stratum corneum was quantified to evaluate its permeability to the skin. Measurement method: LC/MS Product field: Cosmetics Analysis purpose: Composition evaluation and identification For more details, please download the materials or contact us.

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For the SiC transistor, where the leak location was identified using a backside emission microscope, cross-sectional SEM observation was conducted using Slice & View. With Slice & View, it is possible to capture images of the leak location without missing it by performing cross-sectional observations at a pitch of several tens of nanometers around the leak area. By converting the SEM images into 3D, the leak path can be confirmed. Measurement method: Slice & View, EMS Product area: Power devices Analysis purpose: Failure analysis, defect analysis, product investigation For more details, please download the materials or contact us.

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We conducted Slice & View on a SiC transistor where the leak location was identified using a backside emission microscope, and performed magnified observation and SEM-EDX analysis at the confirmed destruction site. Bright contrast was observed in the reflected electron images, indicating the segregation of Si and Ni. It is believed that some segregation of elements such as Si and Ni occurred due to the destruction caused by the leak. Measurement methods: Slice & View, SEM-EDX, EMS Product field: Power devices Analysis purpose: Failure analysis, defect analysis, product investigation For more details, please download the materials or contact us.

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Fluoropolymer materials are chemically stable and possess various properties, making them widely used in industrial machinery, semiconductors, and electronics. LDI-MS (Laser Desorption Ionization Mass Spectrometry) is an analytical method that can ionize fluoropolymers with molecular weights of around several thousand while maintaining their molecular structure, allowing for the determination of the repeating units and molecular weights of fluoropolymers, as well as the estimation of end group compositions and structures. This document presents a case study on the structural analysis of perfluoropolyether (PFPE), which is used as a base oil in lubricants and heat transfer fluids. Measurement method: MALDI-MS Product field: Polymer materials Analysis purpose: Composition evaluation and identification, chemical bonding state evaluation For more details, please download the document or contact us.

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The analysis of odor components is effective for evaluating the scent that characterizes a product and for identifying the causes of unpleasant odors. Many odor components exist as stereoisomers, and isomers can have completely different scents from each other. When distinguishing and analyzing stereoisomers, methods such as NMR may be used; however, this case will introduce an example using GC/MS. Chromatography allows for the clear separation and evaluation of target components from other components. Additionally, by using columns designed for isomer separation, it is possible to evaluate various stereoisomers that cannot be separated using general-purpose columns. Measurement method: GC/MS Product fields: Cosmetics, daily necessities, food, environment Analysis objectives: Composition evaluation, identification, product investigation For more details, please download the materials or contact us.

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When impurities are mixed into metallic materials, depending on the combination of elements, it can affect the reduction of toughness and corrosion resistance. Therefore, it is important to understand the amount of impurities in metallic materials for quality control. GDMS can simultaneously analyze 77 elements without standard samples, making it effective for impurity analysis of samples with unknown contained elements, regardless of the matrix. This document presents a case study of impurity analysis of FeCoNi alloys using GDMS. Measurement method: GDMS Product field: Manufacturing equipment and parts Analysis purpose: Trace concentration evaluation For more details, please download the document or contact us.

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Rosmarinic acid, carnosol, and carnosic acid, which are abundant in plants of the Lamiaceae family represented by rosemary, are said to have antioxidant and anti-aging effects. In particular, rosmarinic acid is known as a functional ingredient included in some functional foods because of its effectiveness in reducing temporary irritability and daytime drowsiness. This document presents a case of quantifying rosmarinic acid, carnosol, and carnosic acid in cosmetics containing rosemary leaves and rosemary extract using HPLC. Measurement method: HPLC Product field: Food and cosmetics Analysis purpose: Product investigation, composition evaluation, identification, quantification For more details, please download the document or contact us.

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