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    Penentuan Nilai Half Value Layer (HVt) pada Sinar X dengan Menggunakan Attenuatur Aluminium (AI), Tembaga (Cu) dan Timah (Sn)

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    Date
    2018
    Author
    Sidauruk, Lincewati Saragi
    Advisor(s)
    Sembiring, Timbangen
    Barus, Diana Alemin
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    Abstract
    Half Value Layer (HVL) has been done on X-rays using Aluminum (Al), Copper (Cu) and Lead (Sn) at University Hospital of Norlh Sumatera. Half Value Layer (HVL) is: a layer or thick material that makes the intensity to half of the original intensity. The rnethod used is based on BAPETEN Regulation No.09 of 2011 and Standard Western Australia. From the results of research conducted on X-ray plane obtained the result of measurement of Half Value Layer (HVL) value by using Aluminum (Al) at 50 kVp - 90 kVp, with strong current of'20 mAs, obtained HVL thickness on Alurr-rinum 50 kVp - 3'0 mm Al, 60 kVp - 4'0 mm Al, 70 kVp - 5.0 mm Al, 8l kVp = 5.6 mm Al and 90 kVp:6.1 mm Al. By using Copper (Cu) at a voltage of 50 kVp - 0.05 mm Cu, 60 kVp : 0.1 5 mm Cu, 70 kVp : 0.2 mm Cu' 8l kVp : 0.3 mrn Cu and 90 kVp : 0.3 mm Cu. By using Tin (Sn) at a voltage of 50 kVp - 0.05 mm Sn, 60 kVp:0.05 mm Sn, 70 kVp:0.05 mm Sn. 8l kVp:0.05 mm Sn and 90 kVp - 0.05 mm mm Sn. From the results of this study found that of the three types of attenuator, the best as an attenuator for Half Value layer (HVL) for X-ray plane is Aluminum (Al) and Copper (Cu). For Tin type Atenuator (Sn) is not suitable as an attenuator to measure HVL on an X-ray plane at a voltage of 50 kVp - 90 kVp.
     
    Telah dilakukan penelitian tentang Half Value Layer (HVL) pada sinar-X dengan menggunakan beberapa attenuator yaitu Aluminium (Al), Tembaga (Cu) dan Timah (Sn) di Rumah Sakit Universitas SumateratJtaru. Half Value Layer (HVL) yaitu: lapisan atau tebal bahan yang membuat intensitas menjadi separuh dari intensitas semula. Metorie yang digunakan berdasarkan Perka BAPETEN No.09 Tahun 2011 dan Standard Western Australia. Dari hasil penelitian yang dilakukan pada pesawat sinar-X tersebut diperoleh hasil pengukuran nilai Half Value Layer (HVL) dengan menggunakan Aluminiurn (A1) pada tegangan 50 kVp - 90 kVp. dengan kuat arus 20 mAs, didapatkan ketebalan HVL pada Aluminium (Al) yaitu 50 kVp - 3,0 mm Al, 60 kVp :4,0 mm Al, 70 kVp : 5,0 mm Al, Bl kVp:5,6 mm Al dan 90 kVp:6,1 mm Al. Dengan menggunakan Tembaga (Cu) pada tegangan 50 kVp:0,05 mm Cu,60 kVp:0,15 mm Cu, 70 kVp:0,2 mm Cu.8l kVp:0,3 mm Cu dan 90 kVp : 0,3 mm Cu. Dengan menggunakan Timah (Sn) pada tegangan 50 kVp : 0,05 mm Sn, 60 kVp : 0,05 mm Sn, 70 kVp :0,05 mm Sn, 8l kVp : 0,05 mm Sn dan 90 kVp:0,05 mm Sn.

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    Repositori Institusi Universitas Sumatera Utara (RI-USU)
    Universitas Sumatera Utara | Perpustakaan | Resource Guide | Katalog Perpustakaan
    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV