COMBINED MICROWAVE AND INFRARED CHAFF
Assignee
Filed
May 30, 1978
Granted
Sep 17, 1991
Location
Abstract
A long, slender thread or filament of a slow-burning substance is metalli, by evaporation, cold-spraying, or the like, with aluminum, zinc or other similar substance. A short length at one end is not metallized but is provided with means for igniting the filament when the chaff is dispensed. A bundle of these filaments are then packed in an impermeable foil envelope and preferably filled with an inert atmosphere. When dispensed, the cloud of slow-burning filaments perform toward infrared search or tracking devices in a manner analogous to the clutter signal created in radars by conventional chaff. At the same time, the metallic coating on the filament acts as a conventional chaff, giving a capability to interfere with either infrared or microwave devices and devices with a combination of infrared and microwave capabilities.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Sep 10, 1982
Rescinded
Apr 30, 1991
Duration
8 years, 7 months
Record Details
- Patent number
- US 5049883
- Application
- 05915031
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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