公开(公告)号：US3823453A

公开(公告)日：1974-07-16

申请号：US31034772

申请日：1972-11-29

Applicant: PHILIPS CORP

Inventor： VAN STRATUM A ,  WEEKERS T

IPC: H01J1/26 ,  H01J9/04 ,  H01J9/00

CPC classification number: H01J1/26 ,  H01J9/04

Abstract: A cathode cap is welded to a metal cylinder over a black sintered metal layer which contains from 60 to 10 percent by weight of metal oxide and which covers the whole cylinder.

Abstract translation: 将阴极帽焊接到含有60至10重量％的金属氧化物并覆盖整个气缸的黑色烧结金属层上的金属圆筒上。