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Installation Report
12-11-2025

69 Ministry of Defense Thermo Fisher Sceintific Prisma Installation Report

DVIA-ULF Series
Installation Report
Thermo Fisher Scientific

Overview

The DVIA-ULF700 active vibration isolation platform is appropriately installed and functioning as intended.

Vibration Isolation System Information

Model: DVIA-ULF700

Serial Number: 251023R8

Engineer

Chaewon Lee from DAEIL SYSTEMS

Tuning Date

December 11, 2025

End User

69 Ministry of Defense

Number of Tuning Trial

1st tuning

Location

Ho chi Minh, Vietnam

Equipment

Manufacturer: Thermo Fisher Scientific

Equipment: SEM

Model: Prisma

Equipment Condition

The equipment is turned on/IDLE

Measurement Summary

Measurent PointStatusAXISMeasurement Data
FloorDVIA-ULF700
1. Floor
2. DVIA-ULF700
Prisma installed/turned offVerticalVC-D
@ 3.15 Hz
VC-G
@ 3.15 Hz
Left to RightVC-E
@ 3.15 Hz
VC-G
@ 3.15 Hz
Front to BackVC-E
@ 2 Hz
VC-G
@ 2 Hz

Measurement Data Obtained via UI Program

Vertical VC Curves

Vertical Narrow Band

Vertical Transmissibility

Left to Right VC Curves

Left to Right Autospectrum

Left to Right Transmissibility

Front to Back VC Curves

Front to Back Autospectrum

Front to Back Transmissibility

Equipment Picture

Reference

Generic Vibration Criteria

Criterion CurveDescriptionAmplitude
µm/s (µin/s)
Detail Size
µm
Workshop (ISO)Distinctly perceptible vibration. Appropriate to workshops and non-sensitive areas.800 (32,000)N/A
Office (ISO)Perceptible vibration. Appropriate to offices and non-sensitive areas.400 (16,000)N/A
Residential Area (ISO)Barely perceptible vibration. Appropriate to sleep areas in most instances.200 (8,000)75
Operating Theatre (ISO)Vibration not perceptible. Suitable for surgical suites, microscopes to 100x.100 (4,000)25
VC-AAdequate for optical microscopes to 400x, microbalances, optical balances.50 (2,000)8
VC-BAppropriate for inspection and lithography equipment to 3μm line widths.25 (1,000)3
VC-CAppropriate for optical microscopes to 1000x, lithography equipment to 1μm.12.5 (500)1 - 3
VC-DSuitable for demanding equipment including electron microscopes (SEMs/TEMs).6.25 (250)0.1 - 0.3
VC-EFor the most demanding systems including E-Beam lithography at nanometer scales.3.12 (125)< 0.1
VC-FFor extremely quiet research spaces. Not recommended as design criterion.1.56 (62.5)N/A
VC-GFor extremely quiet research spaces. Not recommended as design criterion.0.78 (31.25)N/A

Notes:

1. VC-A/B is measured in 1/3 octave bands from 8-80 Hz, VC-C through VC-G from 1-80 Hz.

2. Detail size refers to line widths in microelectronics manufacturing or particle sizes in medical research.

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Case Study Information

Category
Installation Report
Date12-11-2025
Tags
DVIA-ULF Series
Installation Report
Thermo Fisher Scientific