With this experiment we have conculusion as follows. • Total FCR-9501 are 8 units. • All hospitals under study are conducting the high kvp radiographing with 115-120kvp and 4 〜 lOmAs. • The mean value of the chest exjxwre was 0.524 〜 0,301mGy. • The percentage of the absorber finding from phantom was more the 85% with a range of 100 〜 136 kvp. • The mean dose from phantom was 0.990mGy with 124 kvp and 16 mAs. < There is no difference in the amount of information due to the change of kvp and mAs, but some coarseness of images can be seen in the magnified images. • The resolving power was about 1.5/mm. • The increase and decrease of 10〜30 kvp from ammon kvp has not influenced on the amount of information. • The exposure could be reduced by 0.170〜 0.570mGy.
목차
Abstract 1. 서론 2. 목적 3. FCR 의 보급현황 4. FCR 의 흉부 촬영조건 5. 사용기기 및 재료 6. 실험방법 7. 결과 7.1. 관전류를 고정하고 관전압을 변화시켜 촬형했을때의 피폭선량과 S및 L 값 (Table 3) 7.2. 관전압을 고정하고 관전류를 변화시켰을 패의 피폭선량과 S및 L값 (Table 4) 7.3. 흉부 팬텀 CR 영상 전송시의 평가 8. 논의 9. 결론 참고문헌