Method to reduce cross scan error visibility during manufacture

Details Method to reduce cross scan error visibility during manufacture Method to reduce cross scan error visibility during manufacture

1992-04-27

1993-10-12

Lerner, Martin

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 25, 359209, 359900, G02B 532

Patent

active

052530884

ABSTRACT:
By modifying the exposure sequence of the facets during manufacture of a hologon image writer the visibility of cross scan errors are minimized, thereby reducing exposure error and visible banding. With hologons having a number of facets "n" the general form of the exposure sequence is 1, n, 2, n-1, 3, n-2 . . . .

REFERENCES:
patent: 4455061 (1984-06-01), Case
patent: 4747646 (1988-05-01), Andrews
patent: 4787688 (1988-11-01), Rumfola

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