Electron microscope & associated equipment maker

MINI-SED is a scintillator type detector that captures secondary electrons and outputs it as an electrical signal. It is mainly used as a detector for scanning electron microscopes.

We will respond to your request of special specifications.

MINI-SED		Secondary electron images Sample：Cu 400 mesh（L＆S：32μｍ）

Features

Compact size

It can be mounted in a small space. (Interface: ICF 70)

Ultrahigh vacuum system

Baking up to 150 ℃ is possible. It can be used at a vacuum degree less than 1×10^-2.

Maximum response speed: 5MHz

Current detection range is from pA to μA. (Maximum amplification: 2×10⁶ times, Output: 1 V_p-p)

Customized SED

with shutter, ICF 114	Short type (length: 50 mm)	Thin type (diameter: φ10 mm)

Specification

Quantum conversion method		Scintillator
Configuration	Scintillator	P47
	Photomultiplier tube	R9880U / Hamamatsu Photonics K.K.
	Light Guide	Quartz glass
	Pre-amplifier	V-C converter, Impedance: 20 kΩ
Range of detection	Current amount	1 pA〜1 μA
	Response speed	5 MHz
Maximum gain of PMT		2×106
Output voltage		0〜1 Vp-p
Input	to Preamplifier	DC±8 V / 30mA
	to PMT	0〜-1 kV / 300 μA
	to Scintillator	0〜+8 kV / 10 μA
Condition	Degree of vacuum	1×10-2 Pa
	Baking temperature	Less than 150 ℃ (Except the preamp)
Interface		ICF 70
Dimensional drawing (example)

*The power supply is not included.

Factory-recommended power supply

Power supply for secondary electron detector is also on sale.

Functions Brightness, Contrast, Filter Input fot Pre-amplifier (voltage) for PMT (voltage) for Scintillator (voltage) Output Single-ended signalling