Products

Multi-Wavelength Ellipsometers for Thin Film Measurements

  Multi-Wavelength Ellipsometer - Film Sense - Products

Multi-Wavelength Ellipsometer

The next generation Film Sense Multi-Wavelength Ellipsometer systems are now available! The FS1EX and FS‑1UV provide enhanced thin film measurement capabilities, with more wavelengths and wider spectral ranges.

  Multi-Wavelength Ellipsometer - Film Sense - Products

Automated Mapping Systems

These products combine an FS-1EX Multi-Wavelength Ellipsometer with compact automated mapping stages to provide fast, accurate, and reliable film thickness uniformity measurements across a wafer.

  Multi-Wavelength Ellipsometer - Film Sense - Products

In Situ Monitoring

Film Sense Multi-Wavelength Ellipsometers are ideal for in situ realtime monitoring and control of thin film deposition and etching processes.

Film Sense

Innovative Technology

Key Features and Benefits of all Film Sense Multi-Wavelength Ellipsometers

Features
Benefits
Multiple LED sources (either 4 or 6, with wavelengths ranging from 280 – 950 nm, depending on the system) Long lifetimes (>50,000 hours), with no costly lamp changes, time consuming alignments or PM procedures
No moving parts in the ellipsometric detector* Fast measurement times (multi-wavelength data in 10 ms) and long term reliability
Excellent thickness precision, better than 0.001 nm for many samples (for a 1 second acquisition), even for sub-monolayer film thicknesses Measurement precision that is only possible with an ellipsometer
Integrated computer for instrument control and data analysis, with a web browser interface accessible from any modern computer, laptop, or tablet No complicated software setup and maintenance

* US Patent #9,354,118

Operation & Features

Multi-Wavelength Ellipsometer

FS-XY150

Automated Mapping
System

Testimonials

“These FS-1 ellipsometers are one of the best upgrades to our atomic layer processing reactors, and have now become an integral part of all our experiments on ALD and ALE.”

Dr. Sumit Agarwal – Colorado School of Mines

Click here to learn more about how Colorado School of Mines
is using Film Sense Ellipsometers as part of their research.

Used Ellipsometer

“The Film Sense FS-1 in situ ellipsometer has greatly facilitated data acquisition and understanding of the thin film deposition processes in our lab. The instrument was relatively easy to incorporate onto a vacuum chamber, and includes a user-friendly manual and tutorial to explain basic operation. With this tool, we are able to collect much more information during a deposition, including measurements between ALD half-cycles that are not feasible with ex situ techniques. These ellipsometers have become an integral part of our laboratory research, and we look forward to continuing to work with Film Sense in the future.”

Rachel Nye, PhD – student in Chemical Engineering
Parsons Research Group, North Carolina State University

Used Ellipsometer

“Overall performance, affordability and ease of use has made the FS-1 a workhorse for our ALD process as well as equipment development efforts.  The next generation FS-1EX provides a combination of higher beam intensity and wider spectral range improving both precision and accuracy.  For metallic thin films such as TiN, Pt and Ru, two additional IR wavelengths enhance the ability to monitor film thickness and resistivity in-situ during growth.  This enhanced performance helps us to streamline development efforts by effectively understanding the impact of different process conditions on film quality in real-time.”

Bruce Rayner​ – Principal Scientist
Atomic Layer Deposition, Kurt J. Lesker Company

Film Sense Used Ellipsometer

“The FS-1 is an excellent basic ellipsometer. Reliable, easy to use, low maintenance, and great value for money. Films Sense have been great at helping us characterize our thin films, and get accurate measurements. Fully recommended. ”

Dr Ruy Sebastian Bonilla – Research Fellow
Oxford Materials Department

Film Sense

“We have purchased four Film Sense products for our small R&D group.  We have three FS-1 units and one FS-1EX unit with the RT300 mapping stage.  The Film Sense software is the most intuitive and easiest to use of all the ellipsometers I have experience using.  Our favorite feature is the multi-sample analysis method.   This feature allows you to determine the optical constants for new or poorly fitting films by simply measuring a small number of samples with various thicknesses.  Having knowledge of the actual thickness values is not even necessary.  The software understands the optical constants must be the same for all samples, and each sample varies only in thickness.  The user just needs to collect the data and press the fit button.  New films layers are created in just a couple of minutes.  We also love the automatic adjustment for sample height on the RT300 mapping stage.  Our process engineers are constantly adjusting the height on competitor’s units without this automatic feature.”

-Staff Systems Engineer at large semiconductor OEM

Film Sense

“The Film Sense FS-1 is a powerful and reliable tool for in-situ characterization of ALD films. The real-time dynamic thickness measurements were critical to understanding the growth characteristics of multicomponent oxides, such as lead zirconate-titanate (PZT), which I studied for my dissertation research through the University of Maryland. The in-situ thickness data I collected with the FS-1 allowed me to screen precursors much more quickly than if I had to rely on ex-situ characterization methods. I continuously used the FS-1 for over five years and haven’t experienced any downtime other than during occasional realignments when switching from ex-situ to in-situ measurement modes. The FS-1 would make a valuable addition to any laboratory looking to enhance their nondestructive thin-film thickness measurement capability.”

– Nicholas A Strnad, Ph. D.

Strnad, N. A. (2019). Atomic layer deposition of lead zirconate-titanate and other lead-based perovskites. (Doctoral Dissertation, University of Maryland Department of Materials Science and Engineering, College Park, USA).

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