Vibration Isolation Case Studies

DVIA-UB700 (S/N 220209R02) installation report prepared for New National Metrology Centre; GBI system/600 kg at 2 Fusionopolis Way, Singapore; engineer Seounghoon Cheon. Tuning date 22.09.06 and report written date 22.09.14 per worksheet. Publication includes Data and Image: Z/X/Y-axis transmissibility plots; decorative header bitmap (image1) and Reference VC-criteria raster (image5) omitted.

DVIA-UB350 (1260×800, serial 220211R02) horizontal-isolation performance check and retuning at Tier-1 Display Manufacturer (Paju) M2 for SNU CTQ equipment (2022-09-08 tuning, report 2022-09-14; engineers Cheon Seunghoon and Youngha Lee). Passive level adjusted for stage position and gain increased; six VC curves and transmissibility plots with 5 Hz / 10 Hz attenuation notes. Summary VC-class table; Reference as markdown criteria only.

DVIA-M1000 serial 220630R3 — Zeiss GeminiSEM 360 at YANCHENG. MB1000 internal program performance plots for Z / X / Y.

DVIA-M1000 serial 210423R1 at Guangdong Technion-Israel Institute of Technology with Raith Pioneer two EBL in Shantou. Handout follows the abbreviated worksheet layout; the performance section title reads MB1000 internal program in the source. Header strip embedded with the institute line is not republished; the installation photograph and Z, X, and Y internal-program plots are included.

Guangzhou — Thermoscientific apreos 2s on DVIA-M1000 isolator SN 220106R8; MB1000 internal program performance plots (Z/X/Y).

DVIA-UB350 (S/N 220614R01, 1700×725×133H) installation report prepared for SNU Precision, Asan-si; SNU OCA CTQ Equipment; engineer Seounghoon Cheon. Tuning date 22.09.01 and report written date 22.09.02 per worksheet. Summary VC-class table (Floor vs Active) and nine Data and Image plots measured with equipment turned off—floor/top VC curves and transmissibility for Z/X/Y; decorative header bitmap (image1) and Reference VC diagram (image11) omitted in favor of the published markdown criteria table.