Interlaminar sandwich with diffraction structure

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

428198, 428209, 428336, 4284231, 428480, 428447, 428915, 428916, 283 85, 283 86, 283 87, 283 91, 283904, B32B 900, B44C 1165

Patent

active

051044714

ABSTRACT:
An interlaminar sandwich comprises first and second lacquer layers, a diffraction structure embedded between the first and second lacquer layers, a heat activated adhesive layer disposed one one of the lacquer layers, and a transparent stabilization layer disposed over the other lacquer layer, the stabilization layer distributing heat evenly through the interlaminar sandwich so that when heat is applied to the stabilization layer, the adhesive layer will bond the interlaminar sandwich to a substrate. Preferably, the interlaminar sandwich also contains an intermediary layer between the stabilization layer and the first lacquer layer which bonds these layers together. At temperatures below 170.degree. C., the adhesive layer is bonded so intimately to the substrate that the interlaminar sandwich cannot be removed from the substrate without tearing it. At temperatures above 150.degree. C., the lacquer layers soften, thus destroying the diffraction structure. After being built up on a film, the interlaminar sandwich can be punched out in the form of a tag and attached to an identification document thereby protecting the document against attempts to remove the tag.

REFERENCES:
patent: 4057919 (1977-11-01), Gauch et al.
patent: 4184700 (1980-01-01), Greenaway
patent: 4250217 (1981-02-01), Greenaway
patent: 4304809 (1981-12-01), Moraw et al.
patent: 4556378 (1985-12-01), Nyfeler et al.
patent: 4629647 (1986-12-01), Sander
patent: 4717615 (1988-01-01), Reinhart
patent: 4728377 (1988-03-01), Gallagher

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Interlaminar sandwich with diffraction structure does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Interlaminar sandwich with diffraction structure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Interlaminar sandwich with diffraction structure will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2346329

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.