JP2021517993A - 軽量高精度炭化ケイ素ミラーアセンブリを製造する方法 - Google Patents
軽量高精度炭化ケイ素ミラーアセンブリを製造する方法 Download PDFInfo
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 60
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- 229910052710 silicon Inorganic materials 0.000 claims abstract description 20
- 239000010703 silicon Substances 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 15
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
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Abstract
Description
Claims (22)
- 航空宇宙ミラーを製造する方法であって、
多孔質カーボン、炭化ケイ素(SiC),またはその両方を含む、グリーンミラープリフォームを得るステップであって、前記グリーンミラープリフォームは、前記航空宇宙ミラーの前側、および前記航空宇宙ミラーの前記前側とは反対の後ろ側を定める、ステップと、
前記グリーンミラープリフォームから材料を除去し、前記後ろ側に支持リブを形成するステップと、
前記グリーンミラープリフォームにケイ素を浸透させ、前記グリーンミラープリフォームから、反応結合(RB)されたSiCミラー基板を形成するステップと、
前記RBSiCミラー基板から、前記航空宇宙ミラーの後ろ側に、取り付けインターフェース表面を形成して、前記航空宇宙ミラーの前側に、前記RBSiCミラー基板の反射器表面を形成するステップと、
前記RBSiCミラー基板の前記反射器表面をSiCでクラッド化して、前記航空宇宙ミラーの光学表面を形成するステップと、
を有する、方法。 - 材料を除去するステップは、機械加工ステップを有する、請求項1に記載の方法。
- 前記グリーンミラープリフォームにケイ素を浸透させるステップは、前記グリーンミラープリフォームに溶融ケイ素を浸透させるステップを有する、請求項1に記載の方法。
- 前記取り付けインターフェース表面を形成するステップは、機械加工ステップを有する、請求項1に記載の方法。
- 前記反射器表面を形成するステップは、機械加工ステップを有する、請求項1に記載の方法。
- 機械加工ステップは、ミル処理ステップを有する、請求項5に記載の方法。
- 前記反射器表面をSiCでクラッド化するステップは、化学気相成膜(CVD)プロセスを用いてクラッド化するステップを有する、請求項1に記載の方法。
- さらに、前記光学表面を研削するステップ、前記光学表面を研磨するステップ、またはその両方を有する、請求項1に記載の方法。
- さらに、前記光学表面に光学コーティングを設置するステップを有する、請求項1に記載の方法。
- 航空宇宙ミラーの光学表面を調製する方法であって、
前側に光学表面、および後ろ側に取り付けインターフェース表面を有する航空宇宙ミラーを得るステップであって、前記取り付けインターフェース表面は、最終装着において、最終装着取り付け構造との結合により、外部支持構造への前記航空宇宙ミラーの取り付けを容易化する、ステップと、
前記取り付けインターフェース表面に試験取り付け構造を結合することにより、試験支持ベースに、前記航空宇宙ミラーを組み立てるステップであって、前記試験取り付け構造は、前記最終装着取り付け構造に対応する、ステップと、
前記光学表面を測定するステップと、
前記光学表面を機械加工するステップと、
を有する、方法。 - 前記光学表面を測定するステップ、および前記光学表面を機械加工するステップは、前記光学表面が許容誤差範囲内となるまで繰り返される、請求項10に記載の方法。
- 前記光学表面を測定するステップは、前記光学表面の光学試験を行うステップを有する、請求項10に記載の方法。
- 前記光学表面を機械加工するステップは、研磨処理、研削処理、ラップ処理、またはこれらの組み合わせを有する、請求項10に記載の方法。
- 前記試験取り付け構造は、調整可能な長さのストラット(strut)を有する、請求項10に記載の方法。
- 航空宇宙ミラーであって、
反応結合(RB)された炭化ケイ素(SiC)ミラー基板と、
当該航空宇宙ミラーの前側に光学表面を形成する、前記RBSiCミラー基板上のSiCクラッドと、
を有する、航空宇宙ミラー。 - SiCクラッドは、化学気相成膜(CVD)SiCを有する、請求項15に記載の航空宇宙ミラー。
- 前記SiCミラー基板は、当該航空宇宙ミラーの前記前側とは反対の後ろ側に、複数のリブを有する、請求項15に記載の航空宇宙ミラー。
- さらに、前記光学表面に光学コーティングを有する、請求項15に記載の航空宇宙ミラー。
- 航空宇宙ミラー製造アセンブリであって、
試験支持ベースと、
試験取り付け構造と、
前記試験取り付け構造を介して前記試験支持ベースに取り付けられた、航空宇宙ミラーであって、前側に光学表面を有し、前記試験取り付け構造に結合された後ろ側に取り付けインターフェース表面を有する、航空宇宙ミラーと、
を有し、
前記取り付けインターフェース表面は、最終装着取り付け構造により結合することにより、最終装着において、外部支持構造に、前記航空宇宙ミラーを取り付けるように作動可能であり、前記試験取り付け構造は、前記最終装着取り付け構造に対応する、航空宇宙ミラー製造アセンブリ。 - 前記試験取り付け構造は、調整可能な長さのストラットを有する、請求項19に記載の航空宇宙ミラー製造アセンブリ。
- 前記ストラットは、負の熱膨張係数(CTE)を有する、請求項20に記載の航空宇宙ミラー製造アセンブリ。
- 前記ストラットは、6つのストラットを有する、請求項20に記載の航空宇宙ミラー製造アセンブリ。
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Application Number | Priority Date | Filing Date | Title |
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US15/993,513 | 2018-05-30 | ||
US15/993,513 US11327208B2 (en) | 2018-05-30 | 2018-05-30 | Method of manufacture for a lightweight, high-precision silicon carbide mirror assembly |
PCT/US2019/023936 WO2019231529A1 (en) | 2018-05-30 | 2019-03-25 | Method of manufacture for a lightweight, high-precision silicon carbide mirror assembly |
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US11327208B2 (en) * | 2018-05-30 | 2022-05-10 | Raytheon Company | Method of manufacture for a lightweight, high-precision silicon carbide mirror assembly |
US20240239715A1 (en) * | 2023-01-17 | 2024-07-18 | Ii-Vi Delaware, Inc. | Multi-component device and method of making a multi-component device |
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US20230228923A1 (en) | 2023-07-20 |
EP3802459A1 (en) | 2021-04-14 |
US12044867B2 (en) | 2024-07-23 |
WO2019231529A1 (en) | 2019-12-05 |
US20230228922A1 (en) | 2023-07-20 |
US11327208B2 (en) | 2022-05-10 |
US20220342128A1 (en) | 2022-10-27 |
US20190369308A1 (en) | 2019-12-05 |
JP7050180B2 (ja) | 2022-04-07 |
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