Hologram technique for establishing the integrity of packages

Details Hologram technique for establishing the integrity of packages Hologram technique for establishing the integrity of packages

1971-01-13

1980-04-29

Buczinski, S. C.

Optics: measuring and testing

By particle light scattering

With photocell detection

73 52, 356348, 356359, G01B 902, G01M 300

Patent

active

042003946

ABSTRACT:
A technique for detecting whether a package has been tampered with or altd. A package is first coated with a transparent material, such material having bubbles or particles of random size and/or spacing trapped within it. A hologram is then made of the package with the bubbled coating, showing the spacial relationship of the surface of the package and the bubbled coating. At the destination of the package, the package is viewed through the hologram to detect any change in the spacial relationship between the package surface and the bubbled coating. Any such change in the spacial relationship would indicate that the package had been tampered with or altered.

REFERENCES:
patent: 2294897 (1942-09-01), Ellis
patent: 3563652 (1971-02-01), Powell et al.
patent: 3619064 (1971-11-01), Brooks et al.
patent: 3631711 (1972-01-01), Kreuzer

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