Photocopying – Including fiber optics
Patent
1990-11-13
1991-09-03
Wintercorn, Richard A.
Photocopying
Including fiber optics
2502081, 35821313, 358484, 385 33, 385133, G03B 2700, H01J 4014, H04N 314, H04N 5335
Patent
active
050461591
ABSTRACT:
An image transmitting element and a process for producing the same are disclosed, which image transmitting element comprises: a transparent substrate; photo-transmissible holes one-dimensionally or two-dimensionally formed as an array in the transparent substrate, each of the holes having one end opened at one surface of the substrate and the other end made blind and provided with a substantially spherical top end within a thickness of the substrate; a photo-absorptive surface formed on at least a part of an inner surface of each of the photo-transmissible holes except the surface of the spherical top end thereof; and a transparent material with which the photo-transmissible holes are filled, the transparent material having a refractive index higher than that of the substrate.
REFERENCES:
patent: 4275962 (1981-06-01), Midorikawa et al.
patent: 4472046 (1984-09-01), Kohyama
patent: 4539482 (1985-09-01), Nose
patent: 4733096 (1988-03-01), Horiguchi
patent: 4759603 (1988-07-01), Jones
patent: 4767172 (1988-08-01), Nichols et al.
patent: 4874957 (1989-10-01), Sasaki et al.
patent: 4942481 (1990-07-01), Yoshinouchi et al.
Nippon Sheet Glass Co. Ltd.
Wintercorn Richard A.
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