Electron beam recording and reproducing apparatus

Details Electron beam recording and reproducing apparatus Electron beam recording and reproducing apparatus

1987-02-12

1988-11-22

Evans, Arthur G.

Recorders

Electric recording

Electrochemical

3461531, G01J 1500

Patent

active

047869224

ABSTRACT:
An electron beam recording and reproducing apparatus which radiates the electron beam emitted from a needle cathode to a disc for recording and reproduction is disclosed. The needle cathode moves on the disc. A magnetic field is applied in the axial direction of the needle cathode in order to converge and radiate the electron beam emitted from the needle cathode to the disc.

REFERENCES:
patent: 2726289 (1955-12-01), Evans

Affiliated with

Also associated with

Rating

Electron beam recording and reproducing apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electron beam recording and reproducing apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electron beam recording and reproducing apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-437771