SYSTEM, METHOD AND APPARATUS FOR MULTI-BEAM LITHOGRAPHY INCLUDING A DISPENSER CATHODE FOR HOMOGENEOUS ELECTRON EMISSION

申请公布号：US2011180721(A1)

申请号：US201113082333

申请日期：2011.04.07

申请公布日期：2011.07.28

申请人：

STEENBRINK STIJN WILLEM HERMAN KAREL;KRUIT PIETER

发明人：STEENBRINK STIJN WILLEM HERMAN KAREL;KRUIT PIETER

分类号：H01J3/14;H01J1/28;H01T23/00

主分类号：H01J3/14

摘要：A dispenser cathode which comprises an emission surface, a reservoir for material releasing, when heated, work-function-lowering particles, and at least one passage for allowing diffusion of work-function-lowering particles from said reservoir to said emission surface, said emission surface comprising at least one emission area and at least one non-emission area covered with emission-suppressing material and surrounding each emission area, said non-emission area comprising at least one passage connecting said reservoir with said non-emission area and debouching within a diffusion length distance from an emission area for allowing diffusion of work-function-lowering particles from said reservoir to said emission area.

Method of preparing substrate surface for electroless plating and products produced thereby

Echo control system

Method of controlling the deceleration of a reversing mill

Heat recovery high intensity discharge lamp constructions

Color television receiver

System for controlling an electronic warning device

Web transport capstan control system

Electron gun assembly for a color picture tube

Data-transmission system using binary split-phase code

Tape cassette

High pressure electric discharge lamp

Combining thyristor circuits of various circuit configurations

Method of lightening radiation darkened optical elements

Road vehicle electrical systems

Cable adapter for converting a cable closure nozzle to a two cable entrance

Polyester which exhibits anisotropy in the melt containing p-oxybenzoyl units and 4,4'-dioxybenzophenone units or methyl and chloro derivatives thereof

Semiconductor plasma oxidation

Process for powdering high fat foodstuffs

Method of separating liquid from soft particulate food solids

Automatic color change electrostatic paint spray system