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3D Topography With Image Overlay of PCB
The more sophisticated electronic design and layout of semiconductor chips, circuits and systems requires high precision manufacturing and superior quality control. Unlike other techniques such as touch probes or interferometry, the Nanovea 3D Non-Contact Profilometer, using axial chromatism, can measure nearly any material surface. Nano through macro range is obtained during surface profile measurement with zero influence from sample reflectivity, absorption and high surface angles. This is ideal for surface inspection of the PCB assembly (PCBA), which contains a variety of electronic components of different materials, reflectivity and fine features. Moreover, the non-contact profiling technique measures the surface features without touching the PCBA, avoiding the risk of damaging the delicate circuits and electronic components due to sliding of the probe stylus. The combination of high precision, high speed, non-contact and user friendliness makes the Nanovea Profilometer an ideal tool for PCBA inspection.
Copper Wire Coating Failure Using Tribology
The surface quality of copper wire is critical in its service performance and lifetime. The micro defects in the wire surface may lead to excessive wear, crack initiation and propagation, and inadequate solderability. Proper surface treatment can remove surface defects that are generated during wire drawing, and improve the corrosion, wear and scratch resistance of the copper wire. Many applications such as aerospace and commercial airliner require copper wires to behave in a controlled manner to prevent unexpected equipment failure. Quantifiable and reliable measurements are in need in order to quantitatively evaluate the wear and scratch resistance of the copper wire surface.
Mechanical Property Broadview Mapping Tool
Seen above is an example of Nanovea’s patent pending Broadview Map Selection Tool. This new tool allows users easy selection of any location on a broad stitched surface view of the sample. Additionally, the user can select all testing parameters at each location, either for a one test or a multi-tests mapping. All locations and test parameters can be saved in easily retrievable recipes. This significant advancement provides fast & friendly Nano through Macro mechanical property studies. Learn more in this months app note: Mechanical Property Mapping
Wood Wear Testing Using Tribometer
In this study, we simulated and compared the wear testing behaviors of three types of wood to showcase the capacity of Nanovea Tribometer in evaluating the tribological properties of wood in a controlled and monitored manner.
Wood Hardness & Elastic Modulus Using Microindentation
In this application, the Nanovea Mechanical Tester, in microindentation mode is used to compare the mechanical properties of three different types of wood. We would like to showcase the capacity of Nanovea Mechanical Tester in performing hardness and Young’s modulus on wood samples with high precision and reproducibility.
Surface Finish Inspection of Wood Using 3D Profilometry
In this study, the Nanovea ST500 Profilometer, equipped with a line sensor and integrated optical microscope, is used for surface finish inspection of wood samples, namely Cherry and Walnut. We showcases the capacity of Nanovea non-contact profilometer in providing fast and precise 3D finish measurement and comprehensive in-depth analysis for comparative review.
Here are examples of materials we tested this month:
Mechanical:
• Nanoindentation & scratch of thin silicon carbide coatings
• Nano scratch resistance of polymer coatings
• Microindentation & scratch of DLC coatings
• Macro scratch of of gold coatings
3D Non-Contact Profilometry:
• Roughness of food packaging plastic
• LED phosphor coating surface topography measurement
• Volume loss of dental samples
• Depth of micro etching
Tribology:
• Wear rate of thin hard coatings
• Wear rate and friction of interior paint samples
Fossil Mechanical Properties using Nanoindentation
In this application, the Nanovea Mechanical Tester, in Nanoindentation mode is used to map fossil mechanical properties of different locations of an ammonite fossil sample. We would like to showcase the capacity of Nanovea Mechanical Tester in performing nanoindentation mapping on a fossil sample with high precision and reproducibility.
Rock Tribology Using Tribometer
In this study, we simulated and compared the tribological properties of two types of rocks to showcase the capacity of Nanovea Tribometer in measuring the coefficient of friction and wear rate of rock tribology in a controlled and monitored manner.
Here are examples of materials we tested this month:
Mechanical:
• Nanoindentation & scratch of thin sapphire coatings
• Nanoindentation of DLC coatings
• Nano scratch of thin teflon coatings
• Microindentation yield strength of micro aluminum parts
• Macro scratch of firearm parts
3D Non-Contact Profilometry:
• Roughness of transparent films
• Texture consistency of laser etch
• Step height of carbon nano tube coatings
• Coplanarity of ball grid arrays
• Medical staples curvature measurement
Tribology:
• Wear rate of wear resistant tooling
• Lubricated linear wear resistance of thin coatings
