JP7075274B2 - 三次元プリンティングのための装置、システムおよび方法 - Google Patents
三次元プリンティングのための装置、システムおよび方法 Download PDFInfo
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- JP7075274B2 JP7075274B2 JP2018084877A JP2018084877A JP7075274B2 JP 7075274 B2 JP7075274 B2 JP 7075274B2 JP 2018084877 A JP2018084877 A JP 2018084877A JP 2018084877 A JP2018084877 A JP 2018084877A JP 7075274 B2 JP7075274 B2 JP 7075274B2
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- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
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- B23K2103/00—Materials to be soldered, welded or cut
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Description
本出願は2013年4月29日に出願された米国仮出願第61/817,311号に基づく優先権を主張し、当該米国仮出願に記載された全ての記載内容を援用するものである。
本書で言及されている全ての出版物、特許、及び特許出願は、各個別の出版物、特許、又は特許出願が特定的に且つ個別に、参照することによって組み込まれると記載されているのと同じ程度まで、参照することによってここに組み込まれる。
この開示は、物体(又は部分)のコンピューターデザインからの直接的作成において、材料を溶融又は除去するために方向づけられたエネルギーを材料の層に当てるための装置、システム及び方法を提供する。これは、三次元物体を層ごとのやりかたで作成即ちプリントすることに使用することができる。本書で提供される方法は粉末材料の機構部品としての硬化を完遂させたり、硬化を完遂するために後処理が必要な部品として結合剤を融解したりすることに使用することができる。
(制御システム)
(実施例)
Claims (25)
- 三次元物体を成形するプリンティングシステムであって:
a.誘導ラマン散乱によって、200Wから2000Wの出力を有する高輝度の可視光の可干渉性ビームを発生するレーザー光源であって、高出力高輝度の可視レーザーダイオードのアレイ、及び前記可視レーザーダイオードをラマン変換器と光学連通させるビーム結合整形光学組立体を備えるレーザー光源と、
b.前記レーザー光源と光学連通している、金属を有する基材と、
c.前記レーザー光源の下流にあるスキャニングモジュールであって、前記可視光の可干渉性ビームの前記基材に対するスキャニング動作を発生するように構成されており、前記スキャニング動作は前記三次元物体の予め定められた形状に対応している、スキャニングモジュールと、
d.前記レーザー光源及び前記スキャニングモジュールと動作的に接続されたコンピューター制御システムであって、(i)予め定められた方法で前記スキャニング動作を制御し、(ii)前記基材から前記物体を形成するように前記レーザー光源の出力を変調するようにプログラムすることができる、コンピューター制御システム、とを備える
プリンティングシステム。 - 前記スキャニングモジュールは、(i)前記可視光の可干渉性ビームを移動させるか、又は(ii)前記基材を前記可視光の可干渉性ビームに対して相対的に移動させる、請求項1に記載のプリンティングシステム。
- 前記スキャニングモジュールが1つ又は複数のガルバノメーターを備える、請求項1に記載のプリンティングシステム。
- 前記スキャニングモジュールは、前記基材を前記可視光の可干渉性ビームに対して相対的に移動させる少なくとも2つの直交した直線移動ステージを備える、請求項1に記載のプリンティングシステム。
- 前記レーザー光源と前記基材の間にビーム整形光学系を更に備え、前記ビーム整形光学系は前記可視光の可干渉性ビームを前記基材の上に集束する、請求項1に記載のプリンティングシステム。
- 前記ビーム整形光学系はf-θレンズである、請求項5に記載のプリンティングシステム。
- 前記ビーム整形光学系は前記可視光の可干渉性ビームからサブミクロンのスポットを前記基材の上に生成する短焦点レンズである、請求項5に記載のプリンティングシステム。
- (i)前記基材を概して前記可視光の可干渉性ビームの方向と平行な方向に沿って移動させるか、又は(ii)前記レーザー光源を備える組立体を前記可視光の可干渉性ビームの方向と平行の方向に沿って移動させる垂直移動機構を更に備える、請求項1に記載のプリンティングシステム。
- 前記垂直移動機構は前記基材又は前記組立体を、少なくとも10ナノメートル刻みで移動させる、請求項8に記載のプリンティングシステム。
- 前記レーザー光源は1つ又は複数の可視レーザーダイオードを備える、請求項1に記載のプリンティングシステム。
- 前記1つ又は複数の可視レーザーダイオードの中の個々のダイオードは、基板に結合された個別のレーザーチップである、請求項10に記載のプリンティングシステム。
- 前記レーザー光源は複数の組のレーザーダイオードを含み、各組は複数のレーザーダイオードを含み、各組は1つ又は複数の可干渉性の光のビームであって、前記可干渉性の光のビームに含まれる、可干渉性の光のビームを発生する、請求項1に記載のプリンティングシステム。
- 前記複数のレーザーダイオードの各組からの光ビームを平行に並べるビーム整形光学系を更に含む、請求項12に記載のプリンティングシステム。
- 前記ビーム整形光学系が、前記ビーム整形光学系からの光のビームを発散させるようにされた、請求項13に記載のプリンティングシステム。
- 前記レーザーダイオードの組からの光のビームを圧縮して、前記光のビームの間のデッドスペースを縮小又は最小化する圧縮光学要素を更に備える、請求項12に記載のプリンティングシステム。
- 前記可視光の可干渉性ビームは可干渉性のシングルモード光である、請求項1に記載のプリンティングシステム。
- 前記レーザー光源は、光ファイバーを含み、前記レーザー光源は50デシベル毎キロメートル(db/km)未満のレイリー損失で前記光ファイバーの中に前記可視光の可干渉性ビームを発生させる、請求項1に記載のプリンティングシステム。
- 前記レーザー光源は少なくとも一つのレーザーダイオード及び当該レーザーダイオードと光学連通している光ファイバーを含む、請求項1に記載のプリンティングシステム。
- 前記光ファイバーは(i)実質的にシングルモードの中心コアと、(ii)当該中心コアよりも直径が大きく、前記レーザーダイオードのアレイから出射された複数の可視光のビームを捕獲するクラッディングと、(iii)前記レーザーダイオードのアレイから出射された可視光のビームを導く外側クラッディングとを含む、請求項18に記載のプリンティングシステム。
- 前記中心コア及び外側クラッディングは、前記複数の可視光のビームが前記中心コアの中で誘導ラマン散乱によって利得を生じるために前記中心コアを横断するように配列されている、請求項19に記載のプリンティングシステム。
- 前記物体は微小電気機械(MEMS)機器の構成要素である、請求項1に記載のプリンティングシステム。
- 三次元物体を成形するプリンティングシステムであって:
a.高出力高輝度の可視レーザーダイオードのアレイ、及び前記可視レーザーダイオードをラマン変換器と光学連通させるビーム結合整形光学組立体を備えるレーザー光源であって、青色の可干渉性ビームを光ファイバーの中に出力するようにされ、前記光ファイバーのレイリー損失が50デシベル毎キロメートル(db/km)未満である、レーザー光源と、
b.前記レーザー光源と光学連通している金属基材と、
c.前記レーザー光源の下流にあるスキャニングモジュールであって、前記青色のビームの前記基材に対する予め定められたスキャニング動作を発生するように構成されており、前記予め定められたスキャニング動作は前記三次元物体の形状に対応している、スキャニングモジュールと
d.前記レーザー光源及び前記スキャニングモジュールと動作的に接続されたコンピューター制御システムであって、(i)予め定められた方法で前記スキャニング動作を制御し、(ii)前記基材から前記物体を形成するように前記レーザー光源の出力を変調するようにプログラムすることができる、コンピューター制御システム、とを備える
プリンティングシステム。 - 前記スキャニングモジュールは、(i)前記青色の可干渉性ビームを移動させるか、又は(ii)前記基材を前記青色の可干渉性ビームに対して相対的に移動させる、請求項22に記載のプリンティングシステム。
- 前記スキャニングモジュールが1つ又は複数のガルバノメーターを備える、請求項22に記載のプリンティングシステム。
- 前記スキャニングモジュールは、前記基材を前記青色の可干渉性ビームに対して相対的に移動させる少なくとも2つの直交した直線移動ステージを備える、請求項22に記載のプリンティングシステム。
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