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Vous êtes ici : Accueil > Produits > Automated optical profilometer, large sample

Automated optical profilometer, large sample

Instruments zeta-388

Zeta-388

1. For industry
2. Automated measurement
3. High resolution 3D topography in color even on transparent sample
4. Interferometric: white light VSI - Nomarski - PSI
5. Thickness of transparent thin layers

The Zeta-388 offers metrology and 3D imaging capability, combined with an integrated isolation table and a cassette-to-cassette wafer processing system for fully automated measurements. The system is powered by ZDot ™ technology, which simultaneously collects high resolution 3D data and a True Color infinite focus image. The Zeta-388 supports research and development and production environments with multimode optics, easy-to-use software, low cost of ownership and SECS / GEM communications.

Optical profilometry

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Standard-calibration

Calibration standards : profilometer calibration >>

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Applications Features Options
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Applications in optical profilometry

  • Step height: 3D step height from nanometers to millimeters
  • Texture: 3D roughness and undulation on smooth to very rough surfaces
  • Shape: arc and 3D shape
  • Constraint: 2D thin film constraint
  • Film thickness: thickness of the transparent film from 30 nm to 100 µm
  • Defect inspection: capture of faults greater than 1µm
  • Verification of faults: KLARF files are used to search for faults in order to measure the topography on the 3D surface or to locate faults.
  • Height of steps
  • Film thickness
  • Texture: roughness and waviness
  • Shape: bow and shape
  • Stress: the stress of thin layers
  • Automated fault inspection
  • Examination of faults
  • Photovoltaic solar cells
  • Packaging of semiconductors and compound semiconductors
  • Printed circuit (PCB) and flexible PCB
  • Laser ablation
  • microfluidics
  • Biotechnology
  • Data storage
Vcsel etched pillar blue window
Film thickness
Base-si-for-paper
Diamondwire
Stress
Defect inspection
Alta 20fault 20line - version 2
Solar p-si metal-finger2
Bump 3dview
E-cubes 2 3dview-2
Laser ablation
Microfuidic flow regulator - finger 20x
Microneedle3

Industries

  • LED: light emitting diodes and PSS (patterned sapphire substrates)
  • Semiconductor and compound semiconductor
  • WLCSP semiconductor
  • FOWLP semiconductor (packaging at ventilated pads)
  • PCB (printed circuit) and flexible PCB
  • MEMS: micro-electro-mechanical systems
  • Medical devices and microfluidic devices

More info on applications

- Surface science
- Science of materials
- Solar cells
- Materials for energy
- Semiconductors
- Polymers and Composites
- Surface roughness
- Coatings

Automated optical profilometry
for large sample

The Zeta-388 optical profiler is a non-contact 3D surface topography measurement system. The Zeta-388 builds on the capacity of the Zeta-300 with the addition of a cassette to cassette manager for fully automated measurements. The system is powered by patented ZDot ™ technology and multi-mode optics, allowing to measure a variety of samples: transparent and opaque, with low to high reflectance, of smooth to rough texture and with pitch heights ranging from nanometer to the millimeter.

The Zeta-388 integrates six different optical metrology technologies in a configurable and easy-to-use system. The ZDot ™ metering mode simultaneously collects high resolution 3D scanning and a True Color infinite focus image. Other 3D measurement techniques include white light interferometry, Nomarski interference contrast microscopy and shear interferometry. The film thickness can be measured with ZDot or an integrated broadband reflectometer. The Zeta-388 is also a high-end microscope that can be used for sample examination or automated defect inspection. The Zeta-388 supports R&D and product environments by providing comprehensive height, roughness and film thickness measurements, defect inspection capability and cassette-to-cassette handling.

ADVANTAGES

- For industry
- Automated measurement
- High resolution 3D topography in color even on transparent sample
- Interferometric: VSI white light - Nomarski - PSI
- Thickness of transparent thin layers

  • Easy to use optical profiler with ZDot and multi-mode optics for a wide range of applications
  • Examining microscope samples or inspecting high quality defects
  • ZDot: simultaneously collects high resolution 3D scanning and True Color infinite focus image
  • ZXI: White light interferometry for large area measurements with high z resolution
  • ZIC: Interference contrast for quantitative 3D data of surfaces with roughness less than one nanometer
  • ZSI: shear interferometry for high resolution images z
  • ZFT: film thickness and reflectance are measured using an integrated broadband reflectometer
  • AOI: Automatic optical control to quantify the defects on the sample
  • Production capacity: fully automated measurements with sequencing and pattern recognition
  • Platelet handler: automatically load opaque (silicon, for example) and transparent (sapphire, for example) samples, from 50 to 200 mm in diameter.
Pss bumps
Structured microfluidic channel courtesy imtek lab-for-mems-apps
Diamond disk stitched 3d

Options

Thickness
Pumplaser
Zic residue on glass
Graphene steps
Objectives - version 2
Coupler
Closeup001 - version 2
Zeta-20 piezo-pss 01
Zeta-388
Zeta-20 piezo-pss 01
Zeta-388
Vlsi si chip v2
Sequence
Lens 9x7 stitch
Options - apex software on microlens array
Solar p-si metal-finger

ZFT: Zeta film thickness

The Zeta-388 offers an integrated broadband spectrometer for measurements of transparent thin film thickness from 30 nm to 100 µm. It is capable of measuring the thickness of a monolayer or multilayer stacking film, the user selecting the refractive index values ​​from the material library. The thickness of the film can be mapped on the sample to determine the uniformity of the sample.

ZFT works on some of the least reflective surfaces, such as samples with a reflectance of less than 0.1%. Many film thickness tools have trouble getting a signal from these types of surfaces because they depend on reflected specular light to calculate the phase change or other parameters. Broadband white light and normal incidence lighting allow the tool to be used for a variety of low-reflectance optically transparent films.

ZXI: Zeta vertical scanning interferometry

The Zeta-388 supports phase scanning interferometry (PSI) and vertical scanning interferometry (VSI) when paired with the piezo stage and an interferometric objective. The PSI allows rapid measurements of pitch heights ranging from angstroms to hundreds of nanometers. The VSI allows you to measure step heights from several hundred nanometers to several hundred microns. Both are performed at a resolution better than a nanometer, regardless of the numerical aperture of the lens

ZIC: Zeta interference contrast


The Zeta-388 uses Nomarski differential interference contrast microscopy to provide improved imaging of fine surface details. Nomarski microscopy uses polarization and a prism to change the phase to improve the slope changes on the surface of the sample. This makes it possible to visualize the defects on super-smooth surfaces, such as the monolayer of a contaminant. The ZIC scanning mode can convert these images into quantitative measurements of roughness below the nanometer level by correlating the change in slope with the roughness measured by another technique.

ZSI: Zeta shear interferometer


The Zeta-388 Shear Interferometer (ZSI) measurement technique improves the measurement of ZIC by adding a phase change. Several images are collected with different phases, then processed using advanced algorithms to generate a quantitative measure of the surface topography with a resolution at angstrom level. This technique does not require interferometric objectives and does not include Z-phase scanning, which makes it possible to obtain high resolution measurements ranging from angstroms to 80 nm.

Objective lenses

A wide range of objectives is available, including normal objectives from 1.25x to 150x, long working distance objectives, ultra-long working distance objectives, corrected refractive index objectives, objectives transmissive, liquid immersion objectives and vertical scanning interferometry objectives.

Couplers

The Zeta-388 can be configured with four different optical couplers to change the optical magnification. The system can be configured with the 1x coupler to keep the native magnification or with 0.35x, 0.5x or 0.63x couplers to increase the magnification.

Objective turret

The Zeta-388 can be configured with a 5- or 6-position manual turret and a lens sensor for automatic lens identification. The system can also be configured with a 6-position motorized turret for fully automated operation.

Lighting sample


The Zeta-388 uses two high brightness white LEDs as standard lighting. Backlighting through the sample core is also available to enhance the light of difficult transparent samples, such as patterned sapphire (PSS) substrates. The Zeta-388 also supports side dark background lighting.

Stages

The Zeta-388 can be configured with different steps to improve system performance. A Z axis piezoelectric stage can be added to improve the z resolution when measuring nanometric level step heights with ZDot ™ or ZXI measurement modes. The XY stage is motorized and can be configured with a standard chuck, a domed chuck or a backlit chuck.

Sample plate

The Zeta-388 offers a range of plates available to meet application requirements for samples from 50 to 200 mm, including plates to support bow inserts. Backlight plates are available for transparent substrates to support the transmitted light required for patterned sapphire substrates.

Insulation tables

The Zeta-388 has passive isolation built into the base of the system. For applications requiring better insulation, an active insulation table is available. The Zeta-388 has a standard speaker to isolate the system from ambient noise and to protect the user from the movements of the sample manager.

Tread height and film thickness standards

The Zeta-388 uses the NIST traceable height standards in thin and thick layers proposed by the VLSI standards. The standards include an engraved quartz step with a chrome coating. A step height range of 8 nm to 250 µm is available.

A certified multi-stage standard available at nominal step heights of 8, 25, 50 and 100 µm. The standard includes various height models for XY calibration. A certified film thickness standard is available for ZFT. It includes a reference silicon surface and a nominal thickness of silicon dioxide film of 270 nm. Roughness and reference mirror samples are also available.

Automated sequencing software

The automatic sequencing software uses the motorized XY stage to allow the user to program the measurement locations on the sample. The system will automatically measure each site and record the results in user defined folders. An output report with sample statistics is generated to summarize the results.

Advanced sequencing software includes pattern recognition to automatically align the sample. This allows fully automated measurements, reducing the impact of operator error. Automatic calibration can also be enabled when using standards integrated on the stage.

Assembly software

Automated image stitching software uses the motorized XY stage to combine adjacent scans to generate an assembled dataset larger than a single field of view. The system automatically measures each site, aligns the images and combines them into a single dataset. The results can be analyzed like any other results file.

Apex analysis software

Apex analysis software enhances the standard data analysis capability of the tool with an extensive suite of leveling, filtering, step height, roughness and surface topography analysis techniques. Apex supports ISO roughness calculation methods as well as local standards such as ASME. Apex also serves as a reporting platform with the ability to add text, annotations and pass / fail criteria. Apex is available in eight languages.

Offline analysis software

Zeta-388 offline software has the same data analysis and recipe creation capabilities as the tool. This allows the user to create recipes and analyze data without using precious time.

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