11MB4200, Development of Intensity-Controllable Micro-focus Multi X-ray Sources,
Yoon-Ho Song
Abstract
에미터에서 방출된 전자빔을 더욱 집속시킴으로써 보다 선명한 엑스선 이미지를 얻을 수 있는 엑스선 튜브를 제공한다. 본 발명의 일 실시예에 따른 엑스선 튜브는, 캐소드 전극에 형성되어 전자빔을 방출하는 에미터, 상기 캐소드 전극 상에 형성되며, 상기 전자빔을 통과시키기 위한 다수의 게이트홀을 포함하는 게이트 메쉬, 상기 게이트 메쉬 상에 형성되며, 상기 다수의 게이트홀과 같은 동심원을 가지는 다수의 집속 게이트홀을 포함하는 집속 게이트 메쉬, 상기 집속 게이트 메쉬 상에 형성되며, 상기 게이트 메쉬 및 집속 게이트 메쉬를 통과한 전자빔을 집속시키는 집속 전극 및 상기 집속된 전자빔의 충돌에 의해 엑스선을 발생시키는 아노드 전극을 포함한다.
KSP Keywords
x-ray, x-ray tube
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