FAST SHUTTER FOR PROTECTION FROM ELECTROMAGNETIC RADIATION
Assignee
US Government
Filed as: UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY, THE
Filed
Oct 3, 1983
Granted
Jun 11, 1991
Location
FALLS CHURCH VA US
Abstract
A solid state shutter for blocking EMP is disclosed. The shutter includes thin films of amorphous semiconductor material fro the Group V or VI elements deposited on a silicon dioxide substrate. An antenna senses incident EMP causing a trigger circuit to apply a voltage across the thin films. The thin films switch from a state of high resistance to a state of low resistance for blocking passage of the EMP.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Oct 18, 1985
Rescinded
Sep 6, 1990
Duration
4 years, 10 months
Inventor
- 1FRANKLIN D. HAINS
Record Details
- Patent number
- US 5022742
- Application
- 06538617
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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