Metrologia optyczna

KIF-402

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KIF-402 is Laser Interferometer for Flat Surfaces that is compact, vertical-type interferometer compatible with 4-inch diameters has high performance and low cost.

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Compact Size and Easy Operation
KIF-402 is appropriate for use at production sites thanks to compact and space-saving design. It also allows speedy setting and alignment of a test sample.
2-stage Switchable Measurement Apertures
Two-stage magnifications can be toggled in accordance with a hard disk substrate size, thereby enabling measurement of a hard disk surface in full size.
Wide Range of Options
A variety of ø102 reference lenses (Zygo-mount compatible) are available. Additionally, installation of the interference fringe analyzer (KIF-FU100) allows high-accuracy fringe analysis.
Compatible with Aperture ø152
The use of an optional aperture converter enables conversion to a 6-inch aperture.

High-accuracy Laser Interferometer for Flat Surfaces KIF-402: Specifications
Item	KIF-402
Measuring method	Fizeau type interferometry
Aperture	ø102 mm (when using the option: ø60 - ø152 mm)
Reference surface accuracy	Flat surface: λ/20, λ/30
Measurement aperture	ø102, ø71 mm (2-stage switching in the unit)
Magnification	1X, 1.4X (2-stage switching in the unit)
Light source	He-Ne (632.8 nm) laser (laser class 2 product)
Power supply	100 VAC, 50/60 Hz
Main unit dimensions	300 (W) x 400 (D) x 790 (H) mm
Main unit mass	Approx. 35 kg
Standard Accessories	9-inch video monitor, 2-axis adjustable stage