Anderson Materials Evaluation, Inc.

Anderson Materials Evaluation, Inc.

8990 Route 108, Suite C-2, Columbia, MD 21045
Ph: (410) 740-8562    Toll Free: (866) 350-8882
Fax: (410) 740-8201    Email: contactus@andersonmaterials.com

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Analytical Services - XPS, ESCA, FTIR, RGA, SEM, DSC, TGA, TMA, DMA, Electrochemistry, Microscopy, Profilometry

Small-Spot X-ray Photoelectron Spectroscopy (XPS or ESCA) with Depth Profiling, Heating, & RGA MS:

  • With focusing X-ray monochromator, differentially pumped and rastered ion gun depth profiling, specimen heating, 200 amu quadrupole Residual Gas Analysis in ultrahigh vacuum.
  • Provides quantitative elemental and chemical analysis of 6-8 nm depth & ion depth profiling to 2 μm in analysis areas of 150-600 μm dia. Correlation of surface properties with temperature and outgassed species. Unique chemical analysis of complex phases. Analyzes all elements, except H, in all materials with sufficiently low vapor pressure.

Scanning Auger Microprobe (SAM):

  • With elemental mapping, depth profiling, SIMS, and radial sectioner.
  • Provides semi-quantitative elemental analysis and some chemical analysis to 5 nm depth, with ion sputtering to 2 μm or radial sectioner to 2 mm in analysis area of 0.1 μm on conductor materials and somewhat larger areas for semiconductors.

Infrared Spectroscopy or FTIR with Golden Gate ATR and Veemax II variable-angle specular reflectance for enhanced surface sensitivity:

  • Provides molecular functional group and bonding identification to depths of 1-2 μm, especially useful for polymer, organic, and glass materials, but also some inorganic materials.

Quadrupole Mass Spectrometer Residual Gas Analysis:

  • In XPS/ESCA with heating, on TGA/DSC outflow gas, and with fracture, heating and puncture capability in a defined headspace.
  • Provides gas and vaporizable species identifications 1-200 amu.

Scanning Electron Microscopy (SEM) with Digital Imaging:

  • Provides 10 nm lateral resolution images with excellent depth of field, measures size of small features with image analysis, accompanied by specimen cross sectioning and polishing of even very hard materials.

3D Imaging Surface Structure and Profilometry Analysis (Scanning White Light Interference Microscopy):

  • Provides surface roughness, peak-to-valley, peak-to-peak, step height and other topographic measurements of opaque materials, measures step height to determine film thickness, complements AFM (smaller range) and contact profiler capabilities (larger range), handles surface curvature.

Metallographic Optical Microscopy:

  • Provides 37.5 - 3000X optical images in bright field, dark field, polarizing, and Nomarski differential interference contrast observation modes.

Thermal Anaylsis [Differential Scanning Calorimetry (DSC), Thermogravimetry (TG or TGA), Thermomechanical Analysis (TMA), and Dynamic Mechanical Analysis (DMA)]:

  • TGA provides weight loss due to decomposition, outgassing, and combustion; or weight gain due to absorption or reaction with environment gas; yielding composition and hydration.
  • DSC provides measurement of exothermic and endothermic reaction energies, phase change, and glass transition temperatures.
  • TMA measures thermal expansion, glass transition temperatures, crystalline to amorphous phase transitions, softening temperatures, and melting temperatures.
  • DMA measures moduli and energy loss parameters, glass transition temperature, and rheology as a function of frequency and temperature.
  • Operation in a glove box allows the handling of materials susceptible to water or air absorption or oxidation. Measurements can be made under a variety of gaseous atmospheres.

Electrochemical Evaluations (potentiostatic, galvanostatic, potentiodynamic polarization, and EIS):

  • Evaluates materials compatibility, environmental corrosivity, and potential methods for protection against corrosion.
  • Potentiostatic, galvanostatic, and potentiodynamic polarization techniques allow the characterization of corrosion phenomena such as corrosion rate, localized attack (pitting, crevice corrosion), and galvanic attack.
  • EIS allows evaluation of coating performance and under-coat corrosive attack, measuring coating resistance and capacitance.

Coating and Film Thickness Measurements by profilometry, SEM, optical microscopy, XPS depth profile, eddy current, and magnetic probe meters

  • Using XPS or SAM on extremely thin films and coatings, interference microscopy for step-height profilometry, eddy current or magnetic probe metering, SEM imaging, and sectioning on thicker coatings.

CO2 snow jet, Plasma (Microwave, Oxygen, or Hydrogen), UV, and Solvent Cleaning and Effectiveness Analysis

  • Trial cleaning procedures are performed on a material or device on a small scale and evaluated with surface analysis to determine the suitability for the customer’s application.

X-ray Diffraction (XRD)

  • Provides crystal structure information, particularly the identification of structural phases, thin film reflectometry multi-layer thin film analysis, strain, grain size, preferred orientation, and texture.

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Maintained by Akhil Rao, Luminous Media
Direct questions and comments to contactus@andersonmaterials.com
© Copyright: 2006 - 2008    Last Revised: Friday, 26 October 2007