Method and system for sealing a radiofrequency signal absorbing

Details Method and system for sealing a radiofrequency signal absorbing Method and system for sealing a radiofrequency signal absorbing

1995-09-01

1997-07-08

Lusignan, Michael

Coating processes

Restoring or repairing

2940218, 342 1, 342 2, 427142, 427282, 427356, 523137, B32B 3500

Patent

active

056458860

ABSTRACT:
A system for sealing an exposed area of a surface coated with a radiofrequency signal absorbing coating includes a heat-responsive compound that transforms from a solid state to viscous melted state at temperatures above a predetermined temperature and that returns to a solid state after cooling to temperatures below the predetermined temperature. The heat-responsive compound has a radiofrequency absorbing material for absorbing radiofrequency signals at approximately equal frequency to those that the radiofrequency signal absorbing coating absorbs. An applicator applies the heat-responsive compound in the viscous melted state to cover the exposed areas. An absorptive tape conceals any gap or fastener associated with the exposed area and absorbs radiofrequency signals having approximately equal frequencies to those of the radiofrequency signal absorptive coatings. The heat responsive coating also may be smoothly formed over the absorptive tape to make a continuous, smooth surface with the original radiofrequency signal absorbing coating.

REFERENCES:
patent: 4003840 (1977-01-01), Ishino et al.
patent: 5103231 (1992-04-01), Niioka
patent: 5179381 (1993-01-01), Hatakeyama
patent: 5323160 (1994-06-01), Kim et al.

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