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Flatness Metrology System

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Surface metrology equipment is used to measure the surface finish and/or geometry of engineering components. Surface texture and topology characteristics include surface roughness, contour, form, waviness, and defects.
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Conduct Research Top

  • Constant velocity in positioning systems
    controller/drive module. Constant velocity, = +-1%, while position jitter, m. Note at a 10-kHz sampling rate, jitter frequency = 5 kHz in this case. Precision-positioning systems used for metrology, inspection, printing, DNA assaying, and laser machining are typified by a need for smooth motion...
  • Infrared Sensor Graphic Interface PVC Sheet Material
    The WaferSight wafer-flatness tool performs high-resolution and high-throughput mapping of wafer shape, flatness, and thickness variations. Based on proprietary optical laser interferometry, the in-line metrology system is available for 300- and advanced 200-mm wafer processing. Its subnanometer...
  • MICRO: Products
    and energy purity. All systems feature the company's control and positioning systems and a common single-wafer end station. A metrology system for advanced lithography tracks with two or more robot arms, Accura C optimizes equipment and system-to-system performance by providing customers with precise...
  • Improved Interferometric Optical Testing
    Interferometry is used for testing optical components and optical systems as well as the metrology of many other components, such as the flatness and roughness of hard disk drive platters and the shape of magnetic recording heads and machined parts. This article describes three recent advances...
  • MICRO: Products
    geometry measurements, the 300-mm Advanced Flatness system measures and reports SEMI-standard wafer shape, flatness, thickness, and resistivity results. The multifunctional wafer-flatness measurement and sorting system can also be used in ultrathin SOI, epitaxial, prepolish, and reclaim wafer...
  • Linear Stage Terminology
    System Checkout Computing Resolution Computing Max Data Rate Motor Sizing Conversion Tables Glossary. There are many factors that affect the capabilities of a linear stage to position accurately in three-dimensional space. Abbe errors, straightness, flatness, pitch, roll, yaw, hysteresis, backlash...
  • Measuring the Right Things at the Right Time Will Add Value to Products and Processes
    One of the jobs of metrology system manufacturers is to make better, more sophisticated products. Ironically, however, they are frequently met with the argument that because inspection is essentially a nonvalue-added process, their efforts in product development run counter to their customers...
  • MICRO:Product News
    with a shared dump rinser for added process complexity. Multiple recipes with 20 steps each provide easy operation and flexibility. The servo enables precise control of delicate items, and the mounting allows the interchangeable use of single and dual cassettes. CD Metrology System. Nanometrics. Milpitas, CA...
  • Product Technology News
    exhaust filter. The final filters retain 99.97% of particles >=0.3 um and 99.999% of particles >=0.12 um, respectively. (Semicon/West, San Francisco, North Hall, Booth 6454) Metrology System Leica Wetzlar, Germany/Deerfield, IL The LMS IPRO x/y metrology system for photomasks and wafers has...
  • MICRO: Tech Emergent
    Chandra Saravanan, Zhuan Liu, Weidong Yang, Matthew F. Swisher, and Anlun Tang, Shrinking device dimensions place aggressive demands on defect detection metrology. As device density and critical dimension (CD) uniformity requirements become more stringent, the maximum potential of lithography can...

Engineering Web Search: Flatness Metrology System Top

Interferometry - Wikipedia, the free encyclopedia
In a typical system, illumination is provided by a diffuse source set at the focal plane of a collimating lens.
Powertrain - Wikipedia, the free encyclopedia
Powertrain of a modern automobile, comprising the wheels, suspension, drive shaft, exhaust system, engine and transmission.
Estimation of uncertainty in flatness Minimum Zone...
Application and System Modeling (ICCASM 2010) Conference Title: 2010 International Conference on Computer Application and System Modeling (ICCASM
A New Noncontact Flatness Measuring System of Large 2-D Flat...
Technology Conference - IMTC '95 Item Title: A New Noncontact Flatness Measuring System of Large 2-D Flat Workpiece Publisher Name: IEEE Country: USA
Dedicated controller design for a dual-stage opto-mechatronic...
notch-hinges (blade) guiding and iii) the blade guiding system (a double-parallelogram system, and the fine stage features a stacked piezoelectric
ZMI Primer rev B
Better Metrology.TM Outline ? DMI introduction ? Homodyne v.s. Heterodyne ? System components & configurations ? System error sources ? DMI
Three-Dimensional Imaging Metrology - IS&T/SPIE Electronic...
Three-Dimensional Imaging Metrology (Proceedings Volume)
NIST Tech Beat - May 13, 2008
waveguide effect depends on a tunnel?s width, height, surface material and roughness, and the flatness of the floor as well as the signal frequency.
See NIST (National Institute of Standards & Technology) Information
Netscape | Company Boardroom
and analysis capabilities of the Wyko RTI 4100 will enable optics manufacturers, system integrators and assemblers to make a quantum leap in optics
Netscape | Company Boardroom
Zygo Corporation Receives Order for New Ink Jet Printing Metrology System Zygo Ships First Automated Semiconductor Packaging Metrology System

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