JP7233544B2 - 広帯域レドーム設計 - Google Patents
広帯域レドーム設計 Download PDFInfo
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- JP7233544B2 JP7233544B2 JP2021538088A JP2021538088A JP7233544B2 JP 7233544 B2 JP7233544 B2 JP 7233544B2 JP 2021538088 A JP2021538088 A JP 2021538088A JP 2021538088 A JP2021538088 A JP 2021538088A JP 7233544 B2 JP7233544 B2 JP 7233544B2
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Description
Claims (13)
- レドーム構造であって、
少なくとも約300kg/m3かつ約1000kg/m3以下{実測600kg/m3}の密度および少なくとも約1.05かつ約3以下の誘電定数を有する熱硬化性フォーム、または約300kg/m3以下の密度および約1.5以下の誘電定数を有する熱可塑性フォームを含む、内側同調層構成要素であって、ポリメタクリルイミド(PMI)、ポリカーボネート(PC)、ポリエーテルイミド(PEI)、ポリ塩化ビニル(PVC)、アクリロニトリルブタジエンスチレン(ABS)、スタイロフォーム、またはそれらの組み合わせを含む前記内側同調層構成要素と、
前記内側同調層構成要素の上に重なるラミネート構成要素と、を備え、前記ラミネート構成要素が、
第1の低誘電定数材料を含む第1の繊維強化誘電体層と、
第1の高誘電定数材料を含み、前記第1の繊維強化誘電体層の上に重なる第2の繊維強化誘電体層と、
第2の低誘電定数材料を含み、前記第2の繊維強化誘電体層の上に重なる第3の繊維強化誘電体層と、を備える、レドーム構造。 - 前記内側同調層構成要素が、単一の同調層である、請求項1に記載のレドーム構造。
- 前記内側同調層構成要素の前記単一の同調層が、シンタクチックフォーム、プラスチック独立気泡フォーム、ポリメタクリルイミド(PMI)、ポリカーボネート(PC)、ポリエーテルイミド(PEI)、ポリ塩化ビニル(PVC)、アクリロニトリルブタジエンスチレン(ABS)、スタイロフォーム、またはそれらの組み合わせを含む、請求項2に記載のレドーム構造。
- 前記内側同調層構成要素が、第1の内側同調層と、第2の内側同調層と、を備え、前記第2の内側同調層が、前記第1の内側同調層と前記ラミネート構成要素との間に位置付けられ、前記第1の内側同調層の誘電定数が、前記第2の内側同調層の誘電定数よりも小さい、請求項1に記載のレドーム構造。
- 前記内側同調層構成要素の前記第1の内側同調層が、シンタクチックフォーム、プラスチック独立気泡フォーム、ポリメタクリルイミド(PMI)、ポリカーボネート(PC)、ポリエーテルイミド(PEI)、ポリ塩化ビニル(PVC)、アクリロニトリルブタジエンスチレン(ABS)、スタイロフォーム、またはそれらの組み合わせを含む、請求項4に記載のレドーム構造。
- 前記内側同調層構成要素の前記第2の内側同調層が、シンタクチックフォーム、プラスチック独立気泡フォーム、ポリメタクリルイミド(PMI)、ポリカーボネート(PC)、ポリエーテルイミド(PEI)、ポリ塩化ビニル(PVC)、アクリロニトリルブタジエンスチレン(ABS)、スタイロフォーム、またはそれらの組み合わせを含む、請求項4に記載のレドーム構造。
- 前記ラミネート構成要素が、
第2の高誘電定数材料を含み、前記第3の繊維強化誘電体層の上に重なる第4の繊維強化誘電体層と、
第3の低誘電定数材料を含み、前記第4の繊維強化誘電体層の上に重なる第5の繊維強化誘電体層と、をさらに備える、請求項1に記載のレドーム構造。 - 前記レドーム構造が、前記ラミネート構成要素の上に重なる保護層をさらに備える、請求項1に記載のレドーム構造。
- 前記レドーム構造が、前記ラミネート構成要素の上に重なる外側同調層構成要素をさらに備える、請求項1に記載のレドーム構造。
- 前記外側同調層構成要素が、シンタクチックフォーム、プラスチック独立気泡フォーム、ポリメタクリルイミド(PMI)、ポリカーボネート(PC)、ポリエーテルイミド(PEI)、ポリ塩化ビニル(PVC)、アクリロニトリルブタジエンスチレン(ABS)、スタイロフォーム、またはそれらの組み合わせを含む、請求項9に記載のレドーム構造。
- 前記外側同調層構成要素が、単一の同調層である、請求項9に記載のレドーム構造。
- 前記外側同調層構成要素が、第1の外側同調層と、第2の外側同調層と、を備え、前記第1の外側同調層が、前記第2の外側同調層と前記ラミネート構成要素との間に位置付けられ、前記第1の外側同調層の誘電定数が、前記第2の外側同調層の誘電定数よりも小さい、請求項9に記載のレドーム構造。
- 前記外側同調層構成要素の前記第1の外側同調層が、シンタクチックフォーム、プラスチック独立気泡フォーム、ポリメタクリルイミド(PMI)、ポリカーボネート(PC)、ポリエーテルイミド(PEI)、ポリ塩化ビニル(PVC)、アクリロニトリルブタジエンスチレン(ABS)、スタイロフォーム、またはそれらの組み合わせを含む、請求項12に記載のレドーム構造。
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