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    Techniques
      • Electron Microscopy
        Electron Microscopy

        Atomic Resolution Electron Microscopy (AEM)

        Images atoms and maps composition, bonding, and strain.

        Differential Phase Contrast

        Visualize local electric fields at the nanoscale.

        Focused Ion Beam Scanning Electron Microscopy (FIB-SEM)

        Combines ion milling and electron imaging for nanoscale analysis.

        Precession Electron Diffraction (PED)

        PED is a TEM-based technique that rotates the electron beam for more precise crystallography at the nanoscale.

        Scanning Electron Microscopy (SEM)

        Images surface topography and composition with electrons.

        Scanning Transmission Electron Microscopy (STEM)

        Provides atomic-scale imaging and spectroscopic mapping.

        Transmission Electron Microscopy (TEM)

        Images atomic structure, defects, interfaces with sub-nm resolution.

      • Chemical Analysis
        Chemical analysis

        Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy (ATR-FTIR)

        Rapid, non-destructive chemical identification.

        Auger Electron Spectroscopy (AES)

        Measures Auger electrons for high-resolution surface analysis.

        Dynamic Secondary Ion Mass Spectrometry (Dynamic SIMS)

        Quantifies elements and isotopes with nanometer depth profiling.

        Electron Probe Microanalysis (EPMA)

        Quantifies elemental composition at the micron scale.

        Energy Dispersive X-ray Fluorescence (EDXRF)

        Quick, non-destructive material composition & thickness analysis.

        Fourier Transform Infrared Spectroscopy (FTIR)

        Rapid, non-destructive molecular fingerprinting across materials.

        Gas Chromatography-Mass Spectrometry (GC-MS)

        Identifies and quantifies small organic molecules in mixtures.

        Gel Permeation Chromatography (GPC)

        Separates molecules by size to determine polymer properties.

        Glow Discharge Optical Emission Spectroscopy (GDOES)

        Sputters surfaces to quantify composition & depth-profile layers.

        Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

        Measures trace elements with high accuracy.

        Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES)

        Quantifies multiple elements at very low concentrations.

        Ion Scattering Spectroscopy (ISS)

        Identifies elements in the outermost atomic layer.

        Nanoscale Secondary Ion Mass Spectrometry (NanoSIMS)

        Ultra-high-resolution elemental and isotopic imaging.

        Neutron Activation Analysis (NAA)

        Quantifies elements via gamma rays from irradiated samples.

        Nuclear Magnetic Resonance Spectroscopy (NMR)

        Determines molecular structure, composition, and dynamics.

        Photo-induced Force Microscopy (PiFM)

        Nanoscale chemical characterization & topography at sub-5nm.

        Raman Spectroscopy

        Measures inelastic photon scattering for chemical identification.

        Rutherford Backscattering Spectroscopy (RBS)

        Quantifies elemental composition and thin-film thickness.

        Time of Flight Secondary Ion Mass Spectroscopy (ToF-SIMS)

        Ultra-sensitive surface analysis with chemical imaging & depth profiling.

        Total Reflection X-ray Fluorescence (TXRF)

        TXRF is a surface sensitive elemental analysis technique used to determine the concentration of trace metal contamination on wafer surfaces.

        Ultraviolet Photoelectron Spectroscopy (UPS)

        Determines work function and valence electronic structure of surfaces.

        Ultraviolet Visible Near Infrared Spectrophotometry (UV-Vis-NIR)

        Measures absorbance, reflectance, and transmittance (175–3300 nm).

        Wavelength Dispersive X‑Ray Fluorescence (WDXRF)

        Non-destructive elemental composition & thin-film analysis.

        White Light Interferometry (WLI)

        Measures surface topography with sub-nanometer vertical resolution.

        X-ray Absorption Spectroscopy (XAS)

        Analyzes electronic structure of atoms and molecules.

        X-ray Diffraction (XRD)

        Non-destructive analysis of crystal phases, lattice, and strain.

        X-ray Photoelectron Spectroscopy (XPS)

        Measures surface elemental composition and chemical states.

      • Optical Analysis
        Optical analysis

        Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy (ATR-FTIR)

        Rapid, non-destructive chemical identification.

        Cathodoluminescence (CL)

        Maps bandgap, defects, and strain with SEM correlation.

        Digital Optical Microscopy

        Rapid, high-resolution imaging of a sample.

        Dynamic Light Scattering (DLS)

        Quantifies particle size and uniformity in minutes.

        Electron Probe Microanalysis (EPMA)

        Quantifies elemental composition at the micron scale.

        Energy Dispersive X-ray Fluorescence (EDXRF)

        Quick, non-destructive material composition & thickness analysis.

        Fourier Transform Infrared Spectroscopy (FTIR)

        Rapid, non-destructive molecular fingerprinting across materials.

        Infra-Red (IR) Thermography

        Visualizes surface temperatures to reveal defects & hotspots.

        Laser Scanning Confocal Microscopy (LSCM)

        Non-destructive 3D imaging of sample surfaces.

        Photo-induced Force Microscopy (PiFM)

        Nanoscale chemical characterization & topography at sub-5nm.

        Raman Spectroscopy

        Measures inelastic photon scattering for chemical identification.

        SNOM-Raman

        Maps nanoscale stress and chemistry with 100 nm resolution.

        Spectroscopic Ellipsometry (SE)

        Measures thin-film thickness & optical properties.

        Structured Light Profilometry

        Creates precise 3D models without contact or damage.

        Ultraviolet Visible Near Infrared Spectrophotometry (UV-Vis-NIR)

        Measures absorbance, reflectance, and transmittance (175–3300 nm).

        X-ray Absorption Spectroscopy (XAS)

        Analyzes electronic structure of atoms and molecules.

      • Mechanical Testing
        Mechanical Testing

        Capillary Flow Porometry (CFP)

        Characterizes through-pores in wettable, permeable materials.

        Dye & Pry Testing

        Reveals PCB solder joint cracks & defects.

        Dynamic Mechanical Analysis (DMA)

        Characterizes thermal and mechanical properties of soft materials.

        IPC Compliance Testing (IPC Compliance)

        Verifies IPC-A-610 quality to reduce defects.

        Mechanical Cross-Section Analysis (X-Section)

        Uncovers microstructures and defects causing performance issues.

        Nano-Scratch Test

        Measures lateral/frictional force between tip & sample.

        Nanoindentation

        Determines mechanical properties including hardness & modulus.

        Pendant Drop Surface Tension Measurement

        Provides accurate liquid property analysis for surface tension.

        Rheology

        Evaluates material behavior during processing, storage, and use.

        Tap Density Analysis

        Ratio of sample mass to volume after mechanical tapping.

        Tensile Testing

        Measures material behavior under axial stretching (tension).

        Thermomechanical Analysis (TMA)

        Measures material dimension changes with temp, time, or force.

      • Thermal Analysis
        Thermal Analysis

        Differential Scanning Calorimetry (DSC)

        Quantifies heat flow for material optimization.

        Dynamic Mechanical Analysis (DMA)

        Characterizes thermal and mechanical properties of soft materials.

        Infra-Red (IR) Thermography

        Visualizes surface temperatures to reveal defects & hotspots.

        Thermogravimetric Analysis (TGA)

        Measures material mass changes with temperature or time.

        Thermomechanical Analysis (TMA)

        Measures material dimension changes with temp, time, or force.

      • Morphology & Structural Analysis
        Morphology & Structural Analysis

        2D X-Ray Inspection

        Delivers clear internal views of complex electronics.

        Atomic Force Microscopy (AFM)

        Maps nanoscale topography and material properties with a sharp probe.

        Chromatic Confocal Profilometry & 3D Surface Profiling

        Fast, non-contact 3D surface measurements.

        Dynamic Light Scattering (DLS)

        Quantifies particle size and uniformity in minutes.

        Gas Adsorption Porosimetry

        Characterizes porous materials.

        Gas Pycnometry

        Fast, precise measurements of true volume, density, and porosity.

        Laser Diffraction Particle Size Analysis (LD-PSA)

        Analyzes particle sizes by measuring light scattering.

        Photo-induced Force Microscopy (PiFM)

        Nanoscale chemical characterization & topography at sub-5nm.

        Scanning Acoustic Microscopy (SAM)

        Locates internal flaws like cracks, voids, and delamination.

        Structured Light Profilometry

        Creates precise 3D models without contact or damage.

        X-ray Computed Tomography (Micro-CT)

        Non-contact, non-destructive 2D/3D images at micron scale.

        X-ray Diffraction (XRD)

        Non-destructive analysis of crystal phases, lattice, and strain.

        X-ray Reflectometry (XRR)

        Optimized scans tailored to each sample for best measurements.

        Zeta Potential

        Electric potential at the slipping plane of the EDL.

      • More Techniques
        More Techniques

        4-Point Probe (4PP) Measurement

        Measures sheet resistance and resistivity accurately.

        Scanning Capacitance Microscopy (SCM)

        Maps charge carrier polarity/distribution in semiconductors.

        Surface Free Energy (SFE)

        Quantitative insight into surface energy for adhesion and coatings.

        Water Contact Angle

        Quantitative insight into surface interactions affecting adhesion.

      • Explore All Techniques
    • Resources
      Resources
      • Webinars
        Webinars

        Modernizing Microscopy Methods: Capabilities and Applications of TEM/STEM Systems

        Modern (scanning) transmission electron microscopy (S/TEM) tools, like the Talos F200X system at Covalent, are outfitted with technologies that…

        Watch Now

        Upgrading Metrology Services With Mountains™ 9: Improved Automation, Visualization, and Analysis

        The best dataset in the world would be useless without the right tools for data processing, statistical analysis, and visualization.…

        Watch Now
      • Blogs
        Blogs
      • News
        News

        Covalent Announces Analytical Services Partnership With Toray Research Center, Inc.

        The partnership provides expanded analytical services for new advanced material and product applications for semiconductor and battery industries.

        October…

        Explore

        Covalent and Teledyne CETAC Technologies Announce New Partnership to Advance Research in Analytical Chemistry Applications and Instrumentation

        Partners jointly announce the installation of a new Teledyne Photon Machine's Iridia Laser Ablation system at Covalent's Silicon Valley…

        Explore
      • Library
        Library
        (Scanning) Transmission Electron Microscopy (S/TEM) Using the Thermo Fisher Talos F200X

        (Scanning) Transmission Electron Microscopy (S/TEM) Using the Thermo Fisher Talos F200X

        Learn about the fundamentals of S/TEM analysis with the Talos F200X: imaging modes and signals, detector setup, and principles of…

        Explore
        Electron and Ion Beam Imaging With DualBeam Focused Ion Beam Scanning Electron Microscopes

        Electron and Ion Beam Imaging With DualBeam Focused Ion Beam Scanning Electron Microscopes

        These videos are excerpted from the joint webinar hosted by Covalent and our partner, ThermoFisher Scientific.

        Videos in the Library:

        Explore
    • Company
      Company
      • About Us
        About Us
        About

        Covalent transforms complex material testing data into clear, actionable insights. From failure analysis to advanced compositional studies, we partner with innovators across industries to accelerate development and optimize performance.

        Learn more
      • Team
        Team

        We’re scientists, engineers, and problem-solvers first. Over 70% of us hold PhDs or advanced degrees. Every engagement is led by credentialed experts who combine deep technical knowledge with practical solutions tailored to your toughest challenges.

        Meet the team
      • Partners
        Partners

        Trusted by 1,500+ global manufacturers, OEMs, and R&D teams, Covalent builds long-term partnerships that deliver results at scale. Backed by $25M in tools and ISO-accredited methods, we focus on just one thing: data you can act on with confidence.

        Explore our partnerships
      • Careers
        Careers

        Join a team that's shaping the future of material insights. At Covalent, you'll work with world-class scientists, cutting-edge technology, and global industry leaders, all while making a measurable impact.

        View careers
      • Accreditations & Quality
        Accreditations & Quality

        Quality is foundational to our work. Covalent is ISO accredited and operates under a rigorous quality management system. Our processes, data, and results meet internationally recognized standards so you can trust every measurement and insight we deliver.

        Learn more
    • Nexus Membership
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    Home/Library

    Library

    Categories

    eBrief

    Choosing the Right Surface Imaging Technique
    May 21, 2021

    Choosing the Right Surface Imaging Technique

    With so many surface imaging techniques available, it can be a challenge to select the best method for your project. Each technique provides surface data…

    eBrief

    7 Myths About Modern TEM
    May 02, 2021

    7 Myths About Modern TEM

    Covalent expert team of S/TEM analysts assembled this eBrief to debunk 7 of the most common misunderstandings about modern S/TEM capabilities and applications. They break…

    Application Note

    High-Speed In-Situ Measurement of Al Metal Melting Process
    Apr 20, 2021

    High-Speed In-Situ Measurement of Al Metal Melting Process

    To capture the moment when materials change, such as during melting, solidification or crystal phase change, by in-situ X-ray diffraction measurement, the acquisition time of…

    Application Note

    Operando Measurement of Li Ion Battery Positive Electrode in Charge/Discharge Process
    Apr 20, 2021

    Operando Measurement of Li Ion Battery Positive Electrode in Charge/Discharge Process

    Lithium ion secondary batteries are widely used in small portable devices such as mobile phones. Research and development of lithium ion batteries for use in…

    Datasheet

    Fast, Flexible Stress Measurements
    Apr 20, 2021

    Fast, Flexible Stress Measurements

    This brochure/datasheet from Rigaku provides a high-level overview into the technology and capabilities of their SmartLab XRD system.

    Application Note

    Analysis of Powder Crystal Structures of Organic Crystals Using a High-Resolution Convergent Beam Optical System
    Apr 20, 2021

    Analysis of Powder Crystal Structures of Organic Crystals Using a High-Resolution Convergent Beam Optical System

    ABSTRACT Previously, it was typical to conduct crystal structure analysis using the single crystal method. However, analysis of crystal structure using the single crystal method…

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