| 摘要 |
PURPOSE: Provided is a tester for X-ray film which helps to prevent misdiagnosis effectively comparing to existing tester which makes dark part due to the phenomenon piling up of several fluorescent lights. CONSTITUTION: The tester for X-ray film has several improved characteristics as followings: (i) that the lights from fluorescent lamps are irradiated refractively through the both sides of a first and a second transparent plates(10) and upper and lower part sides so as to highlight a fluorescent screen(20) in front side and maintain the lightness evenly on the whole; and (ii) that the thickness of square frame(10) is so thin, therefore, it looks elegant.
|
