Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Means and method of forming aligned apertures in electron guns

Means and method of forming aligned apertures in electron guns

US Patent 4795391 · Granted Jan 3, 1989

Estimated economic value: $5,376,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Oil-free electron source for an EBT scanner2005
Oil-free electron source having cathode and anode members adjustable with five d2005
Method and apparatus for correcting multipole aberrations of an electron beam in2003
UV curing system for heat sensitive substances and process2003
Method and apparatus for clearing ions in a scanning electron beam computed tomo2001
System and method for printing on a moving substrate1998
Method for correcting spherical aberration of the electron beam in a scanning el1998
Electron gun system providing for control of convergence, astigmatism and focus 1988
Electron gun system providing for control of convergence, astigmatism and focus 1988
Dynamically converging electron gun system1987
Dynamically converging electron gun system1987
Electron gun system with dynamic focus and dynamic convergence1987