An electron source comprises cathode means and a permanent magnet perforated by a plurality of channels extending between opposite poles of the magnet. Each channel forms electrons received from the cathode means into an electron beam for guidance towards a target. The electrons sources has applications in a wide range of technologies, including display technology and printer technology.
申请公布号
WO9708726(A1)
申请公布日期
1997.03.06
申请号
WO1995GB03042
申请日期
1995.12.27
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION;KNOX, ANDREW;BEETESON, JOHN