JP2020520871A - セラミック部品の製造方法 - Google Patents
セラミック部品の製造方法 Download PDFInfo
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- JP2020520871A JP2020520871A JP2019556851A JP2019556851A JP2020520871A JP 2020520871 A JP2020520871 A JP 2020520871A JP 2019556851 A JP2019556851 A JP 2019556851A JP 2019556851 A JP2019556851 A JP 2019556851A JP 2020520871 A JP2020520871 A JP 2020520871A
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- ceramic powder
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- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/628—Coating the powders or the macroscopic reinforcing agents
- C04B35/62884—Coating the powders or the macroscopic reinforcing agents by gas phase techniques
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C27/00—Making jewellery or other personal adornments
- A44C27/001—Materials for manufacturing jewellery
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Abstract
Description
本発明の目的、特徴及び有利点は、以下に記した添付した図面を参照して開示される特定の実施例の被制限的な記載によって詳細に開示される。
− 堆積物の粉末に対する均質性、
− 粒の形状および粒径の均質性、
− 工程の温度、
− 脱気のリスク、
− (絶縁)移動分割固体の静電的特性、
− 装置の材料の仕上げや特性;これは、装置に粉末が付着することを防ぐために、堆積物の特性と細粒のバインダの特性との組み合わせを正しく選択することが必要である。
− 構成の点から完全に制御された添加元素または化合物を追加することができ、その量は非常に少量であり、そのため添加化合物のマイクロメータリングを実行することが可能となる;
− 最終的にセラミック部品内に添加化合物の均質分布を得ることを可能とする;
− 添加化合物を多数加え、既存の方法に比べて添加することのできる化合物の数を増やすことができ、特定の特性を有するセラミック部品を提供する可能性を増やすことができる;
― 添加化合物を信頼性高く、再現性高く、クリーンに堆積することを可能とする。
− 着色顔料、またはより一般的にはセラミック部品に第一の色を与える、またはより一般的には第一の特性を授ける、少なくとも一つの追加または添加化合物を含む、バインダを含有するセラミック粉末を提供する;
− 物理蒸着PVD及びまたは化学蒸着CVD及びまたは原子層堆積ALDによって、前記バインダを含有するセラミック粉末に、少なくとも一つの、着色またはその他の、添加元素または化合物を堆積させるE3;
− 第一の色とは異なる第二の色を有する、またはより一般的には第一の特性とは異なる第二の特性を授けられた、セラミック部品を得るために、堆積された添加化合物を含む前記バインダを含有するセラミック粉末から前記セラミック部品を製造することを完成する。
Claims (22)
- 少なくとも一つの添加元素または化合物を有する、バインダを含有するセラミック粉末の製造方法であって、
前記バインダを含有するセラミック粉末は特にジルコニア及びまたはアルミナ及びまたはアルミン酸ストロンチウムに基づき、物理蒸着(PVD)または化学蒸着(CVD)または原子層堆積(ALD)によって、バインダを含有するセラミック粉末に少なくとも一つの添加元素または化合物を堆積させる工程(E3)を含む、製造方法。 - 前記堆積工程(E3)は、前記有機化合物を除いて、前記セラミック粉末の総量に対して、5重量%以下、または3重量%以下、または1重量%以下、または0.05重量%以下、または0.01重量%以下、前記少なくとも一つの添加元素または化合物を追加することを含む、
請求項1に記載のバインダを含有するセラミック粉末の製造方法。 - 前記堆積工程(E3)は、前記有機化合物を除いて、総量が1ppm以上の、または10ppm以上の、前記少なくとも一つの添加元素または化合物を追加することを含む、
請求項1または2に記載のバインダを含有するセラミック粉末の製造方法。 - 前記堆積工程(E3)は、前記有機化合物を除いて、重量の0.01%と5%の間、または重量の0.01%と3%の間、または重量の0.01%と1%の間の量の前記少なくとも一つの添加元素または化合物を、物理蒸着(PVD)及びまたは化学蒸着(CVD)によってバインダを含有するセラミック粉末に堆積することを含む、
請求項1に記載のバインダを含有するセラミック粉末の製造方法。 - 前記堆積工程(E3)は、前記有機化合物を除いて、1ppm以上5重量%以下、または1ppm以上3重量%以下、または1ppm以上0.05重量%以下、または1ppm以上0.01%以下の量の前記少なくとも一つの添加元素または化合物を、原子層堆積(ALD)によってバインダを含有するセラミック粉末に堆積することを含む、
請求項1に記載のバインダを含有するセラミック粉末の製造方法。 - 前記堆積工程(E3)は、金属、及びまたは合金、及びまたは酸化物、及びまたは窒化物、及びまたは炭化物から選択された追加元素または化合物を堆積することを含む、
請求項1から5のいずれか一項に記載のバインダを含有するセラミック粉末の製造方法。 - 前記添加元素または化合物は、
−白金、ロジウム、オスミウム、パラジウム、ルテニウムまたはイリジウムから選択された、高融解点を有する貴金属、または
−金、アルミニウム、銀、レニウム、チタニウム、タンタルまたはニオブから選択された、その他の金属、または
−アルミニウム、鉄、クロム、バナジウム、マンガン、コバルト、ニッケルまたは銅から選択された、遷移金属、または
−ランタン、セリウム、プラセオジム、ネオジム、プロメチウム、サマリウム、ユーロピウム、ガドリニウム、テルビウム、ジスプロシウム、ホルミウム、エルビウム、ツリウム、イッテルビウムまたはルテチウムから選択された、ランタニド、
の四つのリストの中から選択された金属であるまたは金属を含む、
請求項6に記載のバインダを含有するセラミック粉末の製造方法。 - 前記添加化合物は合金であって、前記バインダを含有するセラミック粉末に直接前記合金を堆積することにより、または前記バインダを含有するセラミック粉末に前記合金のいくつかの元素を連続してまたは同時に堆積することを組み合わせることによって得られる、
請求項1から7のいずれか一項に記載のバインダを含有するセラミック粉末の製造方法。 - 前記添加化合物は一つ以上の金属の酸化物、炭化物または窒化物であって、前記バインダを含有するセラミック粉末の上に酸化物、炭化物または窒化物を直接堆積することにより得られ、または特に蒸着室内で、反応性雰囲気において金属を堆積する反応により、または堆積後、例えばセラミック化合物を焼結する工程の間に得られる、
請求項1から7のいずれか一項に記載のバインダを含有するセラミック粉末の製造方法。 - 前記堆積工程(E3)は、いくつかの異なる添加元素または化合物の堆積を同時にまたは連続して行うことを含む、
請求項1から9のいずれか一項に記載のバインダを含有するセラミック粉末の製造方法。 - 前記堆積工程(E3)は、少なくも一つの添加元素または化合物を、1重量%から4重量%、または12重量%から25重量%の有機化合物を含む、バインダを含有するセラミック粉末に加えることを含む、
請求項1から10のいずれか一項に記載のバインダを含有するセラミック粉末の製造方法。 - −特にジルコニア及びまたはアルミナ及びまたはアルミン酸ストロンチウムに基づいて、セラミック粉末を準備することを含む第一段階(P1)、その後
−任意に、原子層堆積(ALD)により前記セラミック粉末に少なくとも一つの添加元素または化合物を堆積することを含む、堆積ステップ(E1)、その後
−有機材料型のバインダを、前記少なくとも一つの添加元素または化合物を有する前記セラミック粉末に混合することを含む第二段階(P2)、その後
−前記バインダを含有するセラミック粉末の上に少なくとも一つの添加元素または化合物を堆積することを含む堆積工程(E3)
を含む、請求項1から11のいずれか一項に記載のバインダを含有するセラミック粉末の製造方法。 - 前記請求項1から12のいずれか一項に記載のバインダを含有するセラミック粉末を製造する段階を含む、セラミック部品の製造方法。
- 少なくとも一つの添加元素または化合物を堆積することを含む前記堆積工程(E3)の後、前記製造方法は、
−前記少なくとも一つの添加元素または化合物を含む、バインダを含有するセラミック粉末を仮に成形する第三段階(P3)、その後
−特に有機化合物を除去することを含む、仮に成形したセラミック部品の脱バインダの工程、その後前記セラミック部品を焼結する工程を含む、第四段階(P4)
を実行する、
前記請求項13に記載のセラミック部品の製造方法。 - 少なくとも一つの添加元素または化合物、特に着色顔料とは異なる着色化合物を、堆積させるステップ(E3)の前または後に、着色顔料、または燐光性の顔料を、前記結合されたまたはバインダを含まないセラミック粉末に加えることを含む工程を含む、
前記請求項13または14に記載のセラミック部品の製造方法。 - − バインダを含有するセラミック粉末から当該セラミック部品を製造することにより、第一の色、またはより一般的には第一の特性、を有するセラミック部品を得ることを可能とする、着色顔料またはより一般的には少なくとも一つの追加または添加化合物を含むバインダを含有するセラミック粉末を提供する;
− 物理蒸着(PVD)及びまたは化学蒸着(CVD)及びまたは原子層堆積(ALD)によって、前記バインダを含有するセラミック粉末に、少なくとも一つの添加元素または化合物を堆積させる(E3);
− 第一の色とは異なる第二の色を有する、またはより一般的には第一の特性とは異なる第二の特性を有する、セラミック部品を得るために、前記堆積させた添加元素または化合物を含む前記バインダを含有するセラミック粉末から前記セラミック部品を製造することを完成する、
各工程を含む、前記請求項13から15のいずれか一項に記載のセラミック部品の製造方法。 - 前記バインダを含有するセラミック粉末に、少なくとも一つの添加元素または化合物を堆積させる工程を繰り返し、前記セラミック部品の製造を完成した後に所望の第二の色または第二の特性に十分近くなるまで、前記量及びまたは前記添加化合物を変えて、少なくとも一つの添加化合物によっていくつかの異なる堆積を行うことを含む、
請求項16に記載のセラミック部品の製造方法。 - 所望の第二の特性に近い第一の特性を得ることを可能とする、少なくとも一つの化合物を含む、バインダを含有するセラミック粉末を選択する工程を含む、
請求項16または17に記載のセラミック部品の製造方法。 - 時計のベゼル、文字盤、インデックス、りゅうず、押しボタンまたはその他の時計ケース要素または時計ムーブメントの要素を製造することを可能とする、
請求項13から18のいずれか一項に記載のセラミック部品の製造方法。 - 総量が5重量%以下、または3重量%以下、または1重量%以下、または0.05重量%以下、または0.01重量%以下であって、その量が前記有機化合物を除いて計測された、金属、合金、酸化物、窒化物または炭化物から選択された添加元素または化合物を含む、
特に請求項1から12のいずれか一項に記載の方法によって得られた、バインダを含有するセラミック粉末。 - 総量が5重量%以下、または3重量%以下、または1重量%以下、または0.05重量%以下、または0.01重量%以下の、金属、合金、酸化物、窒化物または炭化物から選択された添加元素または化合物を含む、時計または宝飾品の部品としての、特にジルコニア及びまたはアルミナ及びまたはアルミン酸ストロンチウムに基づく、セラミック部品。
- 請求項21に記載されたセラミック部品を含む、時計または宝飾品の部品。
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