Method of making structured surface with peak-shaped elements

Details Method of making structured surface with peak-shaped elements Method of making structured surface with peak-shaped elements

1998-04-28

1999-11-02

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Electrode making

H01J 902

Patent

active

059759763

ABSTRACT:
Structured surface, having a support layer and, connected electrically to it, peak-shaped elements, each peak-shaped element exhibiting a cylindrical or conical shaped stem region adjacent to the support layer and at least two, preferably 2 to 4 peaks at the free end of the stem region. The structured surface is suitable in particular as electron emission source for ultra-flat image screens, for electron lithography or for scanning or transmission microscopy.

REFERENCES:
patent: 3783325 (1974-01-01), Shelton
patent: 4591717 (1986-05-01), Scherber
patent: 5499938 (1996-03-01), Nakamoto et al.

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