公开(公告)号：US20030146686A1

公开(公告)日：2003-08-07

申请号：US09683683

申请日：2002-02-01

Applicant: Extreme Devices, Inc.

Inventor： Randolph D. Schueller ,  Duane T. Smith

IPC: H01J029/50

CPC classification number: H01J3/38 ,  H01J9/00 ,  H01J29/86 ,  H01J2209/26

Abstract: A cap can comprise an aperture, and an attenuator may block the aperture during at least one point in time. In one embodiment, the attenuator can include a cover that may be displaced by a spring. In another embodiment, an electron gun, such as an electron gun, may comprise a support cap with an aperture, a displaceable cover that may cover the aperture, and a spring. A material attached to the spring and acting as a fuse may release the spring and expose the aperture after an electrical current blows the nullfuse.null In yet another embodiment, a method for using a tube may comprise evacuating the tube while a cover covers an aperture in the support cap of a electron gun that is at least partially in the tube and moving the cover to expose the aperture after the tube is sealed.

Abstract translation: 盖可以包括孔，并且衰减器可以在至少一个时间点期间阻挡孔。 在一个实施例中，衰减器可以包括可以被弹簧置换的盖。 在另一个实施例中，诸如电子枪的电子枪可以包括具有孔的支撑帽，可覆盖孔的位移盖和弹簧。 连接到弹簧并用作保险丝的材料可以在电流吹动“保险丝”之后释放弹簧并暴露孔。 在另一个实施例中，使用管的方法可以包括抽空管，同时盖覆盖至少部分在管中的电子枪的支撑帽中的孔，并且在管是管之后移动盖以暴露孔 密封。