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Scanning Electron Microscope (SEM) is a type of electron microscope. By using electrons, which have a shorter wavelength than light, it is possible to see finer images than with optical microscopes that use visible light.

A scanning electron microscope scans a specimen with a narrowly focused electron beam in a vacuum, and constructs and displays an image from information on the coordinates of the electron beam. Normally, the image is acquired using secondary electrons emitted from the object under the influence of the incident electrons. In addition to images of secondary electrons, scanning electron microscopes detect reflected electrons, transmitted electrons, X-rays, cathodoluminescence, internal electromotive force, etc., and analyze various information such as data on the composition of the sample.

Among scanning electron microscopes, those that use transmitted electrons are called STEM (Scanning Transmission Electron Microscope). In some cases, scanning electron microscopes apply a negative bias voltage to the sample stage in order to obtain a clear image.

Matsusada Precision offers a wide range of power supplies for scanning electron microscopes, including the PrecisionSEM5600, high voltage power supplies for acceleration, filaments, bias, lenses, and detectors.

This image introduces RA series, RB series and TA series.
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In addition to Scanning Electron Microscope PrecisionSEM5600, we have various kind of products such as high voltage power supplies for acceleration that are available for electron microscopes along with power supplies for filaments, bias, lenses, and detectors.

AU series

AU series

voltage range
1 to 120 kV
current
0.25 to 2200 mA
power
30 to 2200 W
Low profile and lightweight
High voltage power supply

Digital interface is available. Wide range of over 300 models, Various remote control and monitor functions

AK series

AK series

voltage range
1 to 120 kV
current
25 to 4250 mA
power
3 to 6.4 kW
High power 6.4 kW/Compact
High Voltage Power Supply

6.4 kW in 4 U, Digital interface is available. Wide range of over 100 models

KA series

KA series

voltage range
0.5 to 30 kV
current
0.25 to 20 mA
power
7.5 to 10 W
High Stability and Low Noise High Voltage Power Supply

Ideal for SEM and Mass Spectrometry

RA/RB series

RA/RB series

voltage range
0.3 to 40 kV
current
0.12 to 200 mA
power
5 to 60 W
High power & Low Noise High Voltage Power Supplies

High reliability design with various protections

J4/J6 series

J4/J6 series

voltage range
0.5 to 5 kV
current
0.5 to 8 mA
power
2.5 to 6W
High Voltage Power Supply for PMT

Ideal for photo tubes, GM tubes, and radiation counters

K10 series

K10 series

voltage range
5 to 10 kV
current
1 to 2 mA
power
10 W
Compact High Voltage module for SEM and Mass spectrometry

Ultra compact size 70 mm width

KA-R series

KA-R series

voltage range
±10 to ±30 kV
current
0.25 to 1 mA
power
7.5 to 10 W
Ultra low ripple and high stability High Voltage Power Supply

Output polarity changed by external signal

KS-R series

KS-R series

voltage range
±10 to ±20 kV
current
0.1 mA
power
1 to 2 W
High Voltage Power Supply for Mass Spectrometry

Output voltage, current monitor

K12-R series

K12-R series

voltage range
±10 to ±30 kV
current
0.4 to 1.2 mA
power
12 W
Reversible Polarity & High Stability

Ideal for Mass spectrometry

K3-R series

K3-R series

voltage range
±1 to ±10 kV
current
0.3 to 3 mA
power
3 W
Mass spectrometry reversible power supplies

Ideal for Scanning Electron Microscopy and Mass spectrometry

SEM series

SEM series

voltage range
-15 to -30 kV
current
0.3 mA
Low noise High Voltage power supply for Scanning Electron Microscope

Power supply used for acceleration, bias, and filament heating in a compact body

MDC series

MDC series

voltage range
12 to 24 Vdc
current
1 to 2 A
isolation
15 kV
High Voltage Isolation Power Supply

High output of 48 W for operating multiple power supplies

FDC series

FDC series

voltage range
7.5 V
current
5 A
isolation
30 kV
Electron Gun and Ion Source Filament Power Supply

Floating withstand voltage 30 kV

TM series

TM series

voltage range
0.8 to 3 kV
current
0.5 to 2 mA
power
1.5 W
Ultra Low Ripple PCB Mountable High Voltage Power Supply

Low noise due to 6-sided metal shielding

TD series

TD series

voltage range
0.35 to 2 kV
current
2.5 to 14 mA
power
5 W
High power Power Supply for photomultiplier

Low ripple/noise and high-end performance

TEH series

TEH series

voltage range
1 kV
current
10 mA
power
10 W
High power High Voltage Power Supply

High power 10 W for PMT

HEB series

HEB series

voltage range
-60 kV
current
5 A
Electron Beam Power Supply

Excellent temperature coefficient, Multifunction