PROBLEM TO BE SOLVED: To provide an X-ray generator including a lid and a body, capable of being opened and closed, capable of being maintained, and capable of increasing withstand pressure of an insulating container while minimizing the size of the apparatus and increasing the material cost.SOLUTION: A lid 11b of an insulating container 11 includes: a protruding portion 12 protruding along an inner surface of a side wall of the insulating container 11 and a protruding source joining portion 15 where the protruding portion 12 is joined to an inner surface of the lid 11b. In the protruding portion 12, a plurality of insulating plates 21 is laminated via a plate-to-plate joining portion 16 joining adjacent insulating plates 21 along a transverse direction of the protruding source joining portion 15.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】蓋体と本体とからなり開閉可能な絶縁性容器を備え、メンテナンスが可能なX線発生装置において、装置の大型化及び材料費の増大を最小限に抑えて、絶縁性容器の耐圧を高める。【解決手段】絶縁性容器11の蓋体11bは、絶縁性容器11の側壁の内面に沿って突出している突出部12と、突出部12が蓋体11bの内面に接合されている突出元接合部15と、を備え、突出部12は、突出元接合部15の短手方向に沿って、複数の絶縁板21が、隣接する絶縁板21を接合する板間接合部16を介して積層されている。【選択図】図2
