Hydrophobic feed window
First Claim
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1. A feed window for a low noise block converter feedhorn incorporated into a microwave-range antenna assembly, said feed window formed from a thermoplastic polymer composition containing a hydroscopic-effective amount of a high molecular weight siloxane.
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Abstract
A feed window for a low noise block converter feedhorn incorporated into a microwave-range antenna assembly is formed from a thermoplastic polymer composition containing a hydroscopic-effective amount of a high molecular weight siloxane.
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Citations
20 Claims
- 1. A feed window for a low noise block converter feedhorn incorporated into a microwave-range antenna assembly, said feed window formed from a thermoplastic polymer composition containing a hydroscopic-effective amount of a high molecular weight siloxane.
- 13. A microwave-range antenna assembly comprising a low noise block converter feedhorn fixed within antenna dish covered by a feed window formed from a thermoplastic polymer containing a hydroscopic-effective amount of a high molecular weight polydialkylsiloxane.
- 17. A method to protect a low noise block converter feedhorn from weather comprising covering the feedhorn with a feed window formed from a thermoplastic polymer containing a hydroscopic-effective amount of a high molecular weight polydialkylsiloxane.
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