JP2011173420A - 微細技術に適した三次元物体を製造する方法および装置 - Google Patents
微細技術に適した三次元物体を製造する方法および装置 Download PDFInfo
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Abstract
【解決手段】三次元物体3は、連続して固化可能な液体または粉末の製造用材料3aを1層ごとに電磁放射7aで固化することによって製造され、前記電磁放射7aは、第1のパルス電磁放射と、第1のパルス電磁放射よりも周波数が高い第2のパルス電磁放射または連続電磁放射とを用いる。更に好ましくは、第1のパルス電磁放射を前記製造用材料3aの層の第1の領域に照射し、第2のパルス電磁放射または連続電磁放射を前記製造用材料の前記層の第2の領域に照射する。
【選択図】図1
Description
また、電磁放射としてレーザ放射を用いる代わりに、例えば電子放射のような粒子放射を用いることもできる。
さらに、1つのレーザの変わりに2以上のレーザ源を用いても良い。
Claims (17)
- 三次元物体3を製造する方法であって、前記三次元物体3は連続して固化可能な液体または粉末の製造用材料3aを1層ごとに電磁放射7aで固化することによって製造され、前記電磁放射7aは、第1のパルス電磁放射と、第1のパルス電磁放射よりも周波数が高い第2のパルス電磁放射または連続電磁放射とが用いられる、方法。
- 請求項1記載の方法であって、以下の工程を有する方法。
第1のパルス電磁放射を前記製造用材料3aの層の第1の領域に照射する。
第2のパルス電磁放射または連続電磁放射を前記製造用材料の前記層の第2の領域に照射する。 - 請求項1または2のいずれか一項に記載の方法であって、前記第1のパルス電磁放射はパルスレーザ放射である方法。
- 請求項1〜3のいずれか一項に記載の方法であって、前記第2のパルス電磁放射または連続電磁放射はパルスまたは連続レーザ放射である方法。
- 請求項2〜4のいずれか一項に記載の方法であって、前記第1の領域と前記第2の領域は少なくとも部分的に重なっている、方法。
- 請求項1〜5のいずれか一項に記載の方法であって、前記第1のパルス電磁放射の周波数は約60〜約300kHzである、方法。
- 請求項1〜6のいずれか一項に記載の方法であって、前記第2のパルス電磁放射の周波数は、約200〜約450kHzである、方法。
- 請求項1〜7のいずれか一項に記載の方法であって、第1のパルス電磁放射の製造用材料への照射と、前記第2のパルス電磁放射または連続電磁放射の間に、前記第1のパルス電磁放射が前記製造用材料3aを固化する間、時間間隔を設けることを特徴とする、方法。
- 請求項1〜8のいずれか一項に記載の方法であって、前記第1のパルス電磁放射と第2のパルス電磁放射または連続電磁放射が行われる層が部分的および/または時間的に異なることを特徴とする、方法。
- 請求項1〜9のいずれか一項に記載の方法であって、前記第1のパルス電磁放射に照射された層の領域は、次に、さらに前記第2のパルス電磁放射または連続電磁放射により照射されることを特徴とする、方法。
- 請求項1〜10のいずれか一項に記載の方法を用いたレーザ焼結またはレーザ溶解方法。
- 請求項1〜11のいずれか一項に記載の方法であって、粒径が約1nm〜約100nmの粉末が用いられることを特徴とする、方法。
- 請求項1〜12のいずれか一項に記載の方法であって、前記粉末が供給される前記層の厚さは、約1μm〜約100μmであることを特徴とする、方法。
- 請求項1〜13のいずれか一項に記載の方法であって、前記ビーム径は1μm〜約20μmであることを特徴とする、方法。
- 請求項1〜14のいずれか一項に記載の方法を用いて三次元物体を製造する装置。
- 請求項15記載の装置であって、第1のパルス電磁放射と第2のパルス電磁放射または連続電磁放射の両方を照射可能な1つのレーザ7を有する、装置。
- 請求項15記載の装置であって、パルス電磁放射を照射する第1のレーザと、パルス電磁放射または連続電磁放射を照射する第2のレーザとを有する、装置。
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DE102010008960A DE102010008960A1 (de) | 2010-02-23 | 2010-02-23 | Verfahren und Vorrichtung zum Herstellen eines dreidimensionalen Objekts, das sich insbesondere für den Einsatz in der Mikrotechnik eignet |
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DE102021200994A1 (de) | 2021-02-03 | 2022-08-04 | Siemens Energy Global GmbH & Co. KG | Bestrahlungsstrategie für die additive Herstellung mit gepulster Bestrahlung |
WO2023023390A1 (en) | 2021-08-20 | 2023-02-23 | General Electric Company | Irradiation devices with optical modulators for additively manufacturing three-dimensional objects |
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US20140356472A1 (en) | 2014-12-04 |
US20110221099A1 (en) | 2011-09-15 |
US8784720B2 (en) | 2014-07-22 |
EP2361751B1 (de) | 2012-12-19 |
DE102010008960A1 (de) | 2011-08-25 |
EP2361751A1 (de) | 2011-08-31 |
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