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1. 发明授权

US11459668B2 Titanium part having an anodized layer 有权
公开(公告)号：US11459668B2
公开(公告)日：2022-10-04
申请号：US16952206
申请日：2020-11-19
申请人： Apple Inc.
发明人： Zechariah D. Feinberg , James A. Curran , Todd S. Mintz , Justin Memar-Makhsous
IPC分类号： G06F1/16 , H05K5/04 , C25D11/26
摘要： An enclosure for a portable electronic device can include a titanium substrate defining a textured surface and a nominal surface. The titanium substrate can include a first region that extends above the nominal surface and a second region adjacent to the first region and extending below the nominal surface. A separation distance between an apex of the first region and a bottom of a trough defined by the second region can be at least 1 micrometer. A metal oxide layer can overlay the trough defined by the second region.

2. 发明授权

US10927473B2 Oxide coatings for metal surfaces 有权
公开(公告)号：US10927473B2
公开(公告)日：2021-02-23
申请号：US15487300
申请日：2017-04-13
申请人： Apple Inc.
发明人： James A. Curran , Zechariah D. Feinberg , Christopher D. Prest , Joseph C. Poole
IPC分类号： H05K5/02 , H05K5/04 , C25D11/26 , C25D11/18 , C23C14/08 , C25D11/16 , C23C14/58 , C23C16/40 , C23C16/56 , C25D11/08 , C25D11/24
摘要： Oxide coatings that reduce or eliminate the appearance of thin film interference coloring are described. In some embodiments, the oxide coatings are configured to reduce the appearance of fingerprints. In some cases, the oxide coatings are sufficiently thick to increase the optical path difference of incident light, thereby reducing any inference coloring by the fingerprint to a non-visible level. In some embodiments, the oxide coatings have a non-uniform thickness that changes the way light reflects off of interfaces of the oxide coating, thereby reducing or eliminating any thin film interference coloring caused by the oxide coatings themselves or by a fingerprint.

3. 发明申请

US20200347492A1 ALUMINUM PHYSICAL VAPOR DEPOSITION FOR THE COSMETIC FINISHING OF RECYCLED ALUMINUM ALLOYS 审中-公开
公开(公告)号：US20200347492A1
公开(公告)日：2020-11-05
申请号：US16519288
申请日：2019-07-23
申请人： Apple Inc.
发明人： Brian S. Tryon , Alexander W. Williams , James A. Curran , Sonja R. Postak
IPC分类号： C23C14/58 , B32B15/04 , B32B15/20 , C23C14/18 , C23C14/20
摘要： A method of forming a surface coating on a component of an electronic device can include depositing an aluminum layer including at least about 0.05 weight percent (wt %) of a grain refiner on a surface of the component by a physical vapor deposition process, and anodizing the aluminum layer to form an anodized aluminum oxide layer having a L* value greater than about 85 in the CIELAB color space.

4. 发明授权

US10782741B2 Abrasion-resistant surface finishes on metal enclosures 有权
公开(公告)号：US10782741B2
公开(公告)日：2020-09-22
申请号：US15454880
申请日：2017-03-09
申请人： Apple Inc.
发明人： James A. Curran , Zechariah D. Feinberg , Brian S. Tryon
IPC分类号： G06F1/16
摘要： Composite coatings having improved abrasion and dent resistance are described. According to some embodiments, the composite coatings include an outer hard layer and an intermediate layer between the outer hard layer and a metal substrate. The intermediate layer can have a hardness that is less than the hard outer layer but greater than the metal substrate. In this arrangement, the intermediate layer can act as a structural support that resists plastic deformation when an impact force is applied to the coating. In some embodiments, the intermediate layer is composed of a porous anodic oxide material. In some embodiments, the outer hard layer is composed of a ceramic material or a hard carbon-based material, such as diamond-like carbon.

5. 发明授权

US10461452B2 Process for making corrosion-resistant electrical contacts in a wide range of colors 有权
公开(公告)号：US10461452B2
公开(公告)日：2019-10-29
申请号：US15247783
申请日：2016-08-25
申请人： Apple Inc.
发明人： James A. Curran , Daniel T. McDonald
IPC分类号： H01R13/03 , H01R13/24 , H01R12/71 , H01R43/16 , G06F1/16
摘要： Techniques for forming a metal oxide from a metal substrate are disclosed. In some embodiments, the metal oxide can have an optical path difference between about 300 nm to about 1000 nm. The variations in optical path difference can impart the metal oxide to correspond to a range of pre-defined colors. In some embodiments, the optical path difference can impart the metal oxide to have an oxide color that is substantially similar to a color of a housing of a portable electronic device. In some embodiments, the metal oxide can be electrically conductive and the metal oxide can be utilized as an electrical contact of an electronic device to transmit and receive power and data from another electronic device.

6. 发明申请

US20180062294A1 PROCESS FOR MAKING CORROSION-RESISTANT ELECTRICAL CONTACTS IN A WIDE RANGE OF COLORS 审中-公开
公开(公告)号：US20180062294A1
公开(公告)日：2018-03-01
申请号：US15247783
申请日：2016-08-25
申请人： Apple Inc.
发明人： James A. Curran , Daniel T. McDonald
IPC分类号： H01R13/03 , H01R13/24 , H01R12/71 , H01R43/16
CPC分类号： H01R13/03 , G06F1/1633 , G06F1/1656
摘要： Techniques for forming a metal oxide from a metal substrate are disclosed. In some embodiments, the metal oxide can have an optical path difference between about 300 nm to about 1000 nm. The variations in optical path difference can impart the metal oxide to correspond to a range of pre-defined colors. In some embodiments, the optical path difference can impart the metal oxide to have an oxide color that is substantially similar to a color of a housing of a portable electronic device. In some embodiments, the metal oxide can be electrically conductive and the metal oxide can be utilized as an electrical contact of an electronic device to transmit and receive power and data from another electronic device.

7. 发明申请

US20170292202A1 PROCESS FOR ENHANCED CORROSION PROTECTION OF ANODIZED ALUMINUM 审中-公开
公开(公告)号：US20170292202A1
公开(公告)日：2017-10-12
申请号：US15092563
申请日：2016-04-06
申请人： Apple Inc.
发明人： James A. Curran , William A. Counts , Aaron D. Paterson
IPC分类号： C25D11/18 , C25D11/20 , C25D11/12 , H05K5/04 , G06F1/16
CPC分类号： C25D11/18 , C25D11/04 , C25D11/08 , C25D11/10 , C25D11/12 , C25D11/20 , C25D11/243 , C25D11/246 , G06F1/1613 , G06F1/1656 , H05K5/04
摘要： Processes for enhancing the corrosion resistance of anodized substrates are disclosed. In some embodiments, the process involves a second anodizing operation that targets an area of the substrate that is left inadequately protected by a first anodizing operation, and also targets defects that may have been arisen from intermediate processing operations such as laser-marking operations. The second anodizing operation can be conducted in a non-pore-forming electrolyte, and grows a thick protective barrier film over inadequately protected areas of the substrate, such as laser-marking treated areas.

8. 发明申请

US20170226651A1 PROCESS FOR PRODUCING WHITE ANODIC OXIDE FINISH 审中-公开
公开(公告)号：US20170226651A1
公开(公告)日：2017-08-10
申请号：US15418235
申请日：2017-01-27
申请人： Apple Inc.
发明人： James A. Curran , Daniel T. McDonald , Sean R. Novak
IPC分类号： C25D11/24
CPC分类号： C25D11/246 , C25D11/08 , C25D11/14 , C25D11/16 , C25D11/24 , C25D11/26
摘要： The embodiments described herein relate to treatments for anodic layers. The methods described can be used to impart a white appearance for an anodized substrate. The anodized substrate can include a metal substrate and a porous anodic layer derived from the metal substrate. The porous anodic layer can include pores defined by pore walls and fissures formed within the pore walls. The fissures can act as a light scattering medium to diffusely reflect visible light. In some embodiments, the method can include forming fissures within the pore walls of the porous anodic layer. In some embodiments, exposing the porous anodic layer to an etching solution can form fissures. The method further includes removing a top portion of the porous anodic layer while retaining a portion of the porous anodic layer.

9. 发明申请

US20160289858A1 PROCESS TO MITIGATE GRAIN TEXTURE DIFFERENTIAL GROWTH RATES IN MIRROR-FINISH ANODIZED ALUMINUM 审中-公开
标题翻译：减少米色阳极氧化铝颗粒纹理差异生长速度的方法
公开(公告)号：US20160289858A1
公开(公告)日：2016-10-06
申请号：US14678868
申请日：2015-04-03
申请人： Apple Inc.
发明人： James A. Curran , William A. Counts , Sean R. Novak
IPC分类号： C25D11/10 , C25D11/08 , C25D11/16
CPC分类号： C25D11/10 , C25D11/08 , C25D11/16 , C25D11/18 , H05K5/02
摘要： Anodizing processes for providing durable and defect-free anodic oxide films, well suited for anodizing highly reflective surfaces, are described. In some embodiments, the anodizing electrolyte has a sulfuric acid concentration substantially less than conventional type II anodizing. In some embodiments, the electrolyte includes a mixture of sulfuric acid and one or more organic acids. In further embodiments, sulfuric acid is a relatively minor additive to an organic acid, primarily serving to minimize discoloration. The processes enables porous, optically clear, and colorless anodic films to be grown in a manner similar to conventional Type II sulfuric acid anodizing, but at lower current densities and/or higher temperatures, without compromising film surface hardness. The thickness uniformity of the resulting anodic oxide films can be within 5% between grains of {111}, {110} and {100} surface orientations. Furthermore, the anodic oxide films have minimal incorporated sulfates, thereby avoiding certain cosmetic and structural defects.
摘要翻译：描述了用于提供耐用且无缺陷的阳极氧化膜的阳极氧化工艺，非常适用于阳极氧化高反射表面。在一些实施方案中，阳极氧化电解质的硫酸浓度基本上低于常规II型阳极氧化。在一些实施方案中，电解质包括硫酸和一种或多种有机酸的混合物。在另外的实施方案中，硫酸是有机酸的相对较小的添加剂，主要用于使变色最小化。这些方法使多孔，光学透明和无色的阳极膜以类似于常规II型硫酸阳极氧化的方式生长，但是在较低的电流密度和/或更高的温度下生长，而不损害膜的表面硬度。所得阳极氧化膜的厚度均匀度可以在{111}，{110}和{100}表面取向的晶粒之间的5％以内。此外，阳极氧化膜具有最小的引入的硫酸盐，从而避免了某些化妆品和结构缺陷。

10. 发明申请

US20160060783A1 PROCESS TO MITIGATE SPALLATION OF ANODIC OXIDE COATINGS FROM HIGH STRENGTH SUBSTRATE ALLOYS 有权
标题翻译：从高强度基材合金减缓阳极氧化涂层的方法
公开(公告)号：US20160060783A1
公开(公告)日：2016-03-03
申请号：US14474021
申请日：2014-08-29
申请人： Apple Inc.
发明人： James A. Curran , Sean R. Novak
IPC分类号： C25D11/12 , C25D11/10 , H05K5/04 , C25D11/08
CPC分类号： C25D11/12 , C25D11/04 , C25D11/08 , C25D11/10 , C25D11/24 , C25D11/243 , C25D11/246
摘要： Anodic oxide coatings and methods for forming anodic oxide coatings are disclosed. In some embodiments, the anodic oxide coatings are multilayered coatings that include at least two anodic oxide layers formed using two separate anodizing processes. The anodic oxide coating includes at least an adhesion-promoting or color-controlling anodic oxide layer adjacent the substrate. The adhesion-promoting anodic oxide layer is formed using an anodizing process that involves using an electrolyte that prevents formation of delaminating compounds at an interface between the adhesion-promoting anodic oxide layer and the substrate, thereby securing the anodic oxide coating to the substrate. In some cases, the electrolyte includes an organic acid, such as oxalic acid. The anodic oxide coating can also include a cosmetic anodic oxide layer having an exposed surface corresponding to an external surface of the anodic oxide coating. Cosmetic anodic oxide layers can be designed to have a desired appearance or tactile quality.
摘要翻译：公开了阳极氧化物涂层和形成阳极氧化物涂层的方法。在一些实施例中，阳极氧化物涂层是包括使用两个单独的阳极氧化工艺形成的至少两个阳极氧化层的多层涂层。阳极氧化物涂层至少包括邻近衬底的粘附促进或着色控制阳极氧化层。使用阳极氧化工艺形成粘附促进阳极氧化层，该方法涉及使用防止在粘合促进阳极氧化层和基板之间的界面处形成分层化合物的电解质，由此将阳极氧化物涂层固定在基板上。在一些情况下，电解质包括有机酸，例如草酸。阳极氧化物涂层还可以包括具有对应于阳极氧化物涂层的外表面的暴露表面的化妆品阳极氧化层。化妆品阳极氧化层可以设计成具有期望的外观或触觉质量。

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