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![Page 1: 차폐성능테스트[1].ppt [호환 모드]cfs11.blog.daum.net/attach/18/blog/2008/08/23/08/37... · 2015-01-20 · Sample (2 cm) 00 o o o o co o n J10 JIJ O o o a: o o o o c o c](https://reader034.pdfslide.tips/reader034/viewer/2022043018/5f3abcc2010ba9624a22a1e9/html5/thumbnails/1.jpg)
![Page 2: 차폐성능테스트[1].ppt [호환 모드]cfs11.blog.daum.net/attach/18/blog/2008/08/23/08/37... · 2015-01-20 · Sample (2 cm) 00 o o o o co o n J10 JIJ O o o a: o o o o c o c](https://reader034.pdfslide.tips/reader034/viewer/2022043018/5f3abcc2010ba9624a22a1e9/html5/thumbnails/2.jpg)
Ceramicrete 차폐성능테스트
![Page 3: 차폐성능테스트[1].ppt [호환 모드]cfs11.blog.daum.net/attach/18/blog/2008/08/23/08/37... · 2015-01-20 · Sample (2 cm) 00 o o o o co o n J10 JIJ O o o a: o o o o c o c](https://reader034.pdfslide.tips/reader034/viewer/2022043018/5f3abcc2010ba9624a22a1e9/html5/thumbnails/3.jpg)
NaI 검출기
Sample or Lead
gamma-ray source (241Am, 133Ba)
5 cm 1 cm 감마선에너지
33 keV (x-ray)60 keV81 kev301 keV365 keV
Lead blockCopper sheet
![Page 4: 차폐성능테스트[1].ppt [호환 모드]cfs11.blog.daum.net/attach/18/blog/2008/08/23/08/37... · 2015-01-20 · Sample (2 cm) 00 o o o o co o n J10 JIJ O o o a: o o o o c o c](https://reader034.pdfslide.tips/reader034/viewer/2022043018/5f3abcc2010ba9624a22a1e9/html5/thumbnails/4.jpg)
0 200 400 600 8000
500
1000
1500
2000
2500
3000
3500
Energy (Ch.)
Cou
nts
356 keV
301 keV81 keV
Lead2mm Sample1
60 keV
33 keV
![Page 5: 차폐성능테스트[1].ppt [호환 모드]cfs11.blog.daum.net/attach/18/blog/2008/08/23/08/37... · 2015-01-20 · Sample (2 cm) 00 o o o o co o n J10 JIJ O o o a: o o o o c o c](https://reader034.pdfslide.tips/reader034/viewer/2022043018/5f3abcc2010ba9624a22a1e9/html5/thumbnails/5.jpg)
60 keV 80keV 300keV0.7
0.8
0.9
1.0
1.1
1.2
1.3
Rel
ativ
e at
tenu
atio
n ra
te (
/Lea
d 2m
m) Lead2mm
Sample1cm
-ray energy (keV)
![Page 6: 차폐성능테스트[1].ppt [호환 모드]cfs11.blog.daum.net/attach/18/blog/2008/08/23/08/37... · 2015-01-20 · Sample (2 cm) 00 o o o o co o n J10 JIJ O o o a: o o o o c o c](https://reader034.pdfslide.tips/reader034/viewer/2022043018/5f3abcc2010ba9624a22a1e9/html5/thumbnails/6.jpg)
0 200 400 600 8000
500
1000
1500
2000
2500
3000
3500356 keV
301 keV
Energy (Ch.)
Lead 1 mm Lead 3 mm Sample 1 cm Sample 2 cm
Cou
nts
81 keV
![Page 7: 차폐성능테스트[1].ppt [호환 모드]cfs11.blog.daum.net/attach/18/blog/2008/08/23/08/37... · 2015-01-20 · Sample (2 cm) 00 o o o o co o n J10 JIJ O o o a: o o o o c o c](https://reader034.pdfslide.tips/reader034/viewer/2022043018/5f3abcc2010ba9624a22a1e9/html5/thumbnails/7.jpg)
60 keV 80keV 300keV0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
Rel
ativ
e at
tenu
atio
n ra
te (
/Lea
d 2m
m)
-ray energy (keV)
Sample (1 cm) Lead (3 mm) Sample (2 cm)
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