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News Release
:: News Release ::
May 10, 2006

Launch of the SFT9500 High-Performance Fluorescent X-Ray Coating Thickness Gauge

Supporting the high-precision measurement of micro spots and thin films as well as the measurement of hazardous substances subject to RoHS

SII NanoTechnology Inc. has released for sale the SFT9500, a fluorescent X-ray coating thickness gauge that makes it possible to measure the thicknesses of films of metal plating, deposition and suchlike with a high level of precision.

Measuring and controlling the coating thicknesses and composition of metallic thin films of plating, deposition and suchlike used in semiconductors, electronic components and printed circuit boards is critical in guaranteeing the functions, quality and cost of the products. These plated products are required to have a high degree of functionality, and becoming increasingly miniaturized and thinly plated. Under these conditions, there is a market requirement to measure thin films with precision in the order of nanometers. In addition, the regulations concerning hazardous substances, as exemplified by the RoHS directives, are increasing the necessity of composition analysis in such ultra-thin films and micro spot.

SII NanoTechnology has developed the SFT9500, a fluorescent X-ray coating thickness gauge that enables the measurement of micro spot and thin films. The SFT9500 combines the X-ray focusing optics system (capillary) with the X-ray source to form an X-ray generating system, making it possible to irradiate high brilliance X-ray beams at an actual irradiation of 0.1 mm in diameter or less. This technique enables measurement of micro spot and and thin films, such as lead frames, connectors and flexible boards, where it was difficult with conventional fluorescent X-ray coating thickness gauge due to insufficient fluorescent X-ray intensity. In addition, this system is equipped with a high-count-rate and high-resolution semiconductor detector. This system makes it possible to measure minute quantities of hazardous substances regulated under RoHS & ELV, in addition to the measurement of the coating thicknesses of plated products.

The fluorescent X-ray coating thickness gauges manufactured by SII NanoTechnology have been actively sold since they first went on sale in 1978. The systems have been sold in Japanfs domestic market as well as overseas, with a total of more than 5000 units so far.

The SFT9500 has merged technologies that the company has accumulated over many years: fluorescent X-ray measurement technology for micro spot and hazardous substance analysis technology boasting the highest level in the industry. The SFT9500 is a high-performance fluorescent X-ray coating thickness gauge that responds to current market requirements for plating thickness measurement.

 

Main Features of the SFT9500

1. Measurement of thin films/multi-layered films
The use of capillary enabled the increased high intensity of micro beams. (0.1 mm in diameter) With gold-plated thin films, X-ray is detected with intensity of up to 50 times compared with conventional models, and measurement of several nanometers in thickness is achieved with high precision. This technology also makes it possible to simultaneously and high-precisely measure the thickness of each layer in multi-layered films such as Au/Pd/Ni/Cu, Au/Ni/Ti/Si and so forth.

2. Mapping function
Mapping function using micro beam makes it possible to easily and quickly observe the distribution of the plating thicknesses of the sample as well as the distribution of specific elements therein.

3. Measurement of hazardous substances restricted by RoHS/ELV directives
Equipped with a high resolution semiconductor detector (liquid nitrogen-free), it is possible to detect minute elements in the sample. The content of regulated hazardous substances can be measured, such as lead and other materials in lead-free solder and nonelectrolytic nickel used in electrical and automotive products.

4. Particle Analysis
The combination of high intensive micro beams with a high count rate detector enables analysis of particles. After identifying the spot containing particles in the sample by means of a CCD camera, X-rays are irradiated to the specified spot. By comparing the acquired spectrum from the spectrum of the normal spot, particle is analyzed qualitatively (Al - U)

5. Data editing functions
MS-ExcelR and MS-WordR are installed as standard.
MS-ExcelR is equipped with statistical processing functions that enable statistical processing of measured data, average values, maximum and minimum values, C.V. values, Cpk, etc.
Microsoft MS-WordR makes it possible to easily create reports on the results of measurements, including the sample image.

 

Specifications
X-ray Tube: Tube Voltage:50 kV, Current: 1 mA
Detector: Semiconductor detector (liquid nitrogen-free)
Collimator: Actual irradiation 0.1 mm in diameter (light focus method)
Sample Observation: CCD camera (with zoom)
Focus: Laser pointer
Sample stage: 220 (X) x 150 (Y) x 150 (Z) mm
Filter: Electric power switching (primary: 3 positions)
X-ray Station: Personal computer; 19-inch LCD monitor
Measurement software: Calibration curve method, Film analysis FP method (bulk/thin films)
Options: Mapping software, Judgment software for hazardous substances, Spectrum matching Software and image processing software
Measuring functions: Automatic measurement and center searching
Data processing: MS-Excel® and MS-Word® installed
Safety functions: Interlocking sample door, sample collision prevention mechanism and device diagnostic mechanism

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Price
14,500,000 yen (tax excluded)


Sales Start Date
May 1, 2006


SFT9500 high performance fluorescent coating thickness gauge
SFT9500


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