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All Journal Jurnal Fisika Unand JURNAL PENDIDIKAN DAN ILMU FISIKA
Danang Noeramarullah Yudhistira
Akademi Metrologi Dan Instrumentasi
Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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Pengembangan Quality Control Phantom Berbahan Akrilik dan Aluminium Alfieta Rohmaful Aeni; Danang Noeramarullah Yudhistira
Jurnal Pendidikan dan Ilmu Fisika Vol 5 No 2 (2025): Desember 2025
Publisher : Universitas Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52434/jpif.v5i2.43070

Abstract

The high cost of phantoms for Quality Control (QC) in diagnostic imaging remains a challenge for hospitals in non-urban areas. This study developed a simple and affordable phantom using acrylic and aluminum. Ten circular acrylic layers, each 3 mm thick, were stacked and embedded with 15 holes filled with aluminum disks of varying thicknesses (1–15 mm). The phantom was exposed to X-rays at tube voltages of 50 kV, 60 kV, and 70 kV, with 5 ms exposure time and 160 mA current. Gray level analysis using ImageJ showed that 60 kV produced the best image contrast and clear differentiation of aluminum thicknesses. At 50 kV, thicker aluminum (10–15 mm) was hard to distinguish, while at 70 kV, thinner disks (1–5 mm) were less visible. These results indicate that the developed phantom is sensitive to exposure parameter changes and has potential use in educational and basic X-ray imaging system evaluation.
Pengembangan Quality Control Phantom Berbahan Akrilik dan Aluminium Alfieta Rohmaful Aeni; Danang Noeramarullah Yudhistira
Jurnal Fisika Unand Vol 15 No 5 (2026)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.15.5.470-475.2026

Abstract

The high cost of phantoms for diagnostic image quality control presents a challenge, especially for hospitals in remote areas. This study developed a low-cost, simplified phantom using acrylic and aluminum materials. Circular acrylic sheets, each 3 mm thick, were stacked into 10 layers and drilled with 15 holes, each filled with aluminum disks of varying thickness from 1 mm to 15 mm. The phantom was exposed to X-rays using tube voltages of 50 kV, 60 kV, and 70 kV for 5 ms at a tube current of 160 mA. The resulting radiographic images were analyzed using ImageJ to assess grayscale values. Results showed that images obtained at 60 kV provided the best contrast, with clear differentiation of aluminum thicknesses and separation from the background. At 50 kV, aluminum layers thicker than 10 mm were not easily distinguishable due to insufficient X-ray energy, while at 70 kV, thinner layers (1–5 mm) lacked visibility due to over-penetration. These findings suggest that the developed phantom is adequately responsive to exposure parameter changes and has potential for use in basic radiographic imaging evaluations and educational settings.
Co-Authors Alfieta Rohmaful Aeni