Cost improvements through technology advances

AC-2S Pro β

Features

・Microscopic spot measuring 400 μm square
・Film thickness measurements
・High-temperature measurements up to 100 °C
・New irradiating optical system (LDLS lamp)
・Precise measurements in 0.01 eV increments
・Includes often-requested multi-point and repeated measurement functions
・Imports and analyzes AC-2/3/5 data
・Uses flat-plate open counter enabling photoelectron count rate of up to 4,000 cps


Applications

・Battery component contamination and surface characteristics measurements
・Microscopic component contamination and surface characteristics measurements
・Hard disk and magnetic tape tribology research
・Semiconductor and lead frame surface oxidation state measurements
・Detection of molecular level film contamination of precision electronic materials


Product category

Photoemission Yield Spectroscopy in Air

Model

AC-2S Pro β

Measurement principle

Photoemission Yield Spectroscopy in Air (detector: low-energy photoelectron counting)

Photoelectron detector

Flat-plate open counter

UV energy range

3.4 - 6.2 eV (364 - 200 nm)

Minimum light intensity

1.0 nW or less (at 5.9 eV)

Maximum light intensity

200.0 nW or greater (at 5.9 eV)

Repeatability (standard deviation)

Work function 0.02 eV (sample: Au plate)

UV light source

Laser-driven light source (LDLS)

UV spot size

Up to 4 mm × 4 mm (varies according to energy due to chromatic aberration of converging lens)

Maximum photoelectron count rate

4,000 cps​

Spectrometer

Grating type monochromator

Maximum sample size

Area up to 50 mm × 50 mm, thickness up to 10 mm

Temperature/humidity range

Temperature 15 °C - 35 °C (no sudden changes), up to 60 %RH (no condensation) dew point -30 °C or higher

Power source

Main unit: 100 V - 240 V AC 50/60 Hz, 5 A (max)
LDLS (AC adapter): 100 V - 240 V AC 50/60 Hz, 2.5 A
LDLS (main unit): 12 V DC, 120 W
Temperature controller: 100 V AC (±10 %) 50/60 Hz, 1 A (max.)
(excluding control PC)

External dimensions

LC (light source unit)*: Approx. 623 mm (W) × 450 mm (D) × 317 mm (H)
DC (measurement unit): Approx. 465 mm (W) × 450 mm (D) × 360 mm (H)
Temperature controller: Approx. 200 mm (W) × 150 mm (D) × 280 mm (H)
* The LDLS power supply is contained in the LC (light source unit).

Weight

AC-2S LC (light source unit): Approx. 30 kg, AC-2S DC (measurement unit): Approx. 31 kg
Temperature controller: Approx. 5 kg (excluding control PC)

Related products

AC-2S pro α
AC-2S
AC-2
AC-3
AC-5

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