1990s

Thin-Film Reflectometer Innovation History

1995

Filmetrics® F20 – The world’s first compact, easy-to-use thin-film measurement instrument.

The F20 is the first of its kind: an instrument using a miniature fiberoptic spectrometer to measure thin-film thickness. White light reflecting from a surface coated with a thin film is analyzed to measure the film thickness, utilizing the characteristic signature created by coherent interference. Leveraging the rapidly growing computational power of desktop personal computers and modern graphical user interface software, the F20 is easy to use, compact, and offered at a price point that makes it accessible for users in applications that previously could not afford to accurately measure their films.

Learn more about our latest offerings in this product series: Filmetrics F20

1996

We introduce the Filmetrics F30, a reflectance-based deposition-rate monitoring instrument built to monitor the growth of epitaxial semiconductor crystals.

1997

Filmetrics F30 wins R&D 100 award.

The Filmetrics F30 performs in situ, real-time deposition-rate monitoring during MOCVD or MBE growth of epitaxial semiconductor layers. Using the virtual interface technique developed at Sandia National Labs1, the F30 continuously measures light reflected from the sample surface to monitor crystal growth rate. Because the Virtual Interface technique is independent of the underlying layer structure, alloys of different compositions can be deposited in sequence on a single wafer to rapidly calibrate growth rate and composition of several different materials.

1Breiland, W. & Killeen, Kevin. (1996). A virtual interface method for extracting growth rates and high temperature optical constants from thin semiconductor films using in situ normal incidence reflectance. Journal of Applied Physics. 78. 6726 – 6736. 10.1063/1.360496.

Learn more about our latest offerings in this product series: Filmetrics F30

1997

Filmetrics adds the capability to measure refractive index (n) and extinction coefficient (k) on the F20 and F30.

1997

Filmetrics F20 and F30 systems can now measure thickness and optical constants for each film in a multi-layer stack.

1997

Filmetrics F20 and F30 systems now use a standard parallel-port interface, eliminating the need for an analog interface card and facilitating use with a customer-supplied PC.

1998

Photonics Spectra gives the Filmetrics F20 the Circle of Excellence award, recognizing it as one of the world’s top 25 technically innovative photonics products.

1998

The Filmetrics F40 small-spot measurement instrument attaches to a standard microscope to enable film thickness measurement with a spot size as small as 10µm.

1998

The Filmetrics F20 and F30 can now be configured with a UV spectrometer, covering wavelengths from 215nm to 670nm and reducing the minimum film thickness that can be accurately measured from 10nm to 3nm.

1998

The R-Theta stage on the Filmetrics F50 motorized mapping instrument accepts up to 200mm diameter wafers, allowing the system to measure and display the film thickness at user-defined locations.

1998

By continuously monitoring the reflected light spectrum during chemical mechanical planarization (CMP) the Filmetrics F76 in situ CMP endpoint detection system enables precise determination of process endpoint.

2000s
2001

Using a hyperspectral imaging system, the Filmetrics STMapper whole-wafer imaging instrument maps film thickness data across wafers as large as 200mm diameter with a 50µm spot size in less than 5 seconds.

2001

R&D magazine gives the Filmetrics STMapper an R&D 100 award, recognizing it as one of the 100 most significant new products of the year.

2002

1000th Filmetrics thin film measurement instrument is shipped.

Filmetrics now sells more thin-film measurement instruments than any other manufacturer. This high adoption is due to the rapid, high-quality support of the Filmetrics application team combined with the ease-of-use and affordability of the instrument. The instrument software, FILMeasure® for instruments with a manual stage and FILMapper for motorized stages, has been continuously enhanced, adding a significant number of new features and improved performance.

Learn more about Filmetrics: Filmetrics

2003

The parallel port interface is replaced with a USB interface in all Filmetrics instruments, facilitating use with newer computers.

2003

An improved Vis-NIR spectrometer becomes the standard-configuration spectrometer on all Filmetrics thin-film measurement instruments, covering a wavelength range of 400nm to 1000nm and enabling measurement of films from 15nm to 50µm thick.

2003

All instruments can now be configured with an NIR spectrometer that covers a wavelength range of 950 to 1700nm and can measure films from 100nm to 100µm thick.

2003

Filmetrics introduces the F20-EXR, which includes both a visible and NIR spectrometer, enabling Filmetrics instruments to measure films from 15nm to 100µm thick.

2005

Filmetrics introduces the F80 – a high speed patterned wafer film thickness measurement system.

The Filmetrics F80 is a high-speed, small-spot, hyperspectral-imaging film thickness measurement instrument. It performs measurements on patterned wafers up to 200mm in diameter. The hyperspectral imaging system utilizes a revolutionary pattern recognition technique that can distinguish regions in the field of view based on their film stack, composition, and thickness.

Learn more about our latest offerings in this product series: Filmetrics F60

2006

Using a hyperspectral imaging system, the Filmetrics F42 micro-spot mapping instrument produces a thickness map image with a pixel size as small as 3µm.

2007

The USB interface on all Filmetrics instruments is updated to USB2.0 High Speed, enabling communications at 480Mbps.

2007

Filmetrics thin-film measurement instruments can now be configured with an improved UV-Vis spectrometer that covers 200-1100nm, facilitating measurement of films from 1nm to 40µm.

2007

The Filmetrics F20-CP now includes a new Filmetrics technology called AutoBaseline, which continuously compensates for changes in the optical system as the probe is moved into contact with the sample, resulting in significantly improved accuracy and stability.

2008

The Filmetrics F80-c is a high throughput, fully automated cassette-to-cassette patterned wafer measurement tool with pattern recognition for up to 300mm diameter wafers.

2009

Filmetrics introduces the F60-t tabletop and F60-c cassette-to-cassette instruments for blanket wafer film measurement on up to 300mm diameter wafers.

2010s
2010

Simultaneous normal-incidence reflectance and transmittance measurement capability is introduced with the Filmetrics F10-VC, which can also be used to accurately measure absorption.

2011

The Filmetrics F10-RTA reflectance/transmittance/angled reflectance instrument adds an additional optical subsystem to the F10-VC to measure reflectance at an angle. Results can be combined with the normal incidence reflectance and transmittance data to measure n and k of a thin film without requiring an n and k model.

2011

The Filmetrics F50-XY-510 motorized thin-film mapping instrument features an X-Y translation system for measuring samples up to 510mm by 510mm.

2011

Using a color-coding optical design, the new Filmetrics F70 can measure films from 50µm to 15mm thick.

2012

The new Filmetrics aRTie instrument simultaneously measures reflectance and transmittance spectra, includes a 40,000-hour light source, and is powered through the USB interface cable.

2012

Filmetrics F10-ARc – compact, portable instrument for plastic lens coatings.

The Filmetrics F10-ARc is built for measuring coatings on ophthalmic lenses. The instrument quickly and accurately measures antireflection coatings and hardcoat coatings on plastic lenses used in eyeglasses and other eyewear. The patented, low-power light source used in the F10-ARc enables the system to be compact and portable, drawing power through the USB interface cable.

Learn more about our latest offerings in this product series: Filmetrics F10-ARc

2012

Automatic wavelength calibration is now offered on some Filmetrics instruments, using an integrated gas-discharge lamp to facilitate dramatically improved accuracy and stability.

2013

Using a motorized R-Theta stage, the Filmetrics F54 microscopic-spot mapping instrument offers automated sample mapping with a measurement spot size as small as 2.5µm.

2013

The Filmetrics SS-XY-38 motorized X-Y-Z sample stage has an X-Y travel of 38mm, optional motorized focus and can be combined with a new or existing instrument, such as the Filmetrics F20.

2014

Combining Filmetrics color-coded measurement technology with an R-Theta stage for samples up to 300mm in diameter, the Filmetrics F57 CTM mapping instrument can measure film thicknesses from 50µm to 15mm.

2014

Accurate measurement of the transmittance spectrum of curved samples such as lenses can be accomplished with the Filmetrics SS-Trans-Curved Stage.

2014

Providing improved reliability, digital and USB-based control of all functions and lamp-life meters, the Filmetrics LS-DT2 UV-Vis-NIR fiber-optic light source is designed to pair with Filmetrics instruments that include UV spectrometers.

2015

Utilizing a motorized turret, wafer-handling robot, optional pre-aligner, and a precision optical alignment mechanism, the Filmetrics F64-c cassette-to-cassette tool uses a spot size as small as 1µm to measure thin films on patterned wafers.

2015

The Filmetrics -sX family of instruments, such as the F3-sX, can measure films up to 3mm thick and Si wafer thicknesses up to 1.3mm.

2015

The Filmetrics XY10 motorized stage can be added to most Filmetrics instruments to perform mapping of film thickness or refractive index with measurements as fast as 0.2s per point. The XY10 can include optional motorized autofocus.

2019

Filmetrics Joins KLA.

Filmetrics joins the KLA Instruments group on March 6, 2019 and becomes Filmetrics, A KLA Company. The Filmetrics series of thin-film measurement instruments expands KLA’s benchtop metrology capabilities into measurement of film thickness, n, and k. The Filmetrics Profilm3D® optical profiler extends the line of KLA instruments that measure surface topography, providing a new option for applications that don’t require the full capabilities of KLA’s existing instruments. Filmetrics worldwide application support and sales offices continue to provide rapid response to customer needs.

Learn more about Filmetrics: Filmetrics

2020

Building on Filmetrics thin-film metrology expertise, Filmetrics introduces the F54-XY-200, an enclosed film thickness mapping system. Using easy-to-create pattern recognition recipes, the F54-XY-200 measures samples up to 200mm using a motorized X-Y stage that moves automatically to specified measurement locations, facilitating thickness measurements as quickly as two points per second. The multi-objective turret offers flexible field-of-view and spot size configurations for a wide range of sample feature sizes.

2024

Filmetrics adds the F54-XYT-300 to the successful F54-XY series of enclosed, automated film thickness mappers. Measurements of 300mm wafers are supported by the additional high performance rotary stage in the F54-XYT-300 configuration and expanded pattern recognition functionality to support small-spot thickness measurement. The IR Camera option was also introduced for imaging through thinned silicon, a feature that appeals to quantum computing F40 users for targeted gap measurement. Both the 200mm and 300mm systems support measurement of either unpatterned samples or patterned samples using pattern recognition software.

Learn more about our offerings in this product series:

Filmetrics F54-XY

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