CN104937129B - 产生非全陶瓷表面的方法 - Google Patents

产生非全陶瓷表面的方法 Download PDF

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CN104937129B
CN104937129B CN201380042785.2A CN201380042785A CN104937129B CN 104937129 B CN104937129 B CN 104937129B CN 201380042785 A CN201380042785 A CN 201380042785A CN 104937129 B CN104937129 B CN 104937129B
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ceramic
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T·海因
J·奥尔克
D·瑞克斯
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Hella GmbH and Co KGaA
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Abstract

本发明涉及在载体(10)上产生类似陶瓷且具有陶瓷感观特性的表面(22)的方法,包括以下步骤:‑预加工载体(10)的至少一个载体表面(12),‑利用气相沉积法为预加工的载体表面(12)涂覆类似陶瓷的感观层(20)。

Description

产生非全陶瓷表面的方法
技术领域
本发明涉及产生类似陶瓷表面的方法、调整气相沉积法使其适合于产生类似陶瓷表面的方法、以及将该方法用于生产可移动器件的相应用途。
背景技术
产生表面的方法原则上是已知的,例如对可移动器件如移动电话、遥控器或者汽车钥匙表面进行加工和精加工。已知的可移动器件通常进行金属化,尤其是用铬金属化。以这种方式进行精加工并因此提高这些可移动器件的质感。
目前在汽车中除了使用金属化涂层之外,也使用陶瓷材料作为装饰材料。在汽车内部的使用情况下,鉴于其机械特性,可以良好利用陶瓷。但是迄今为止仍然无法将陶瓷用于可移动器件,因为陶瓷或陶瓷材料的机械特性不满足对可移动器件的要求。尤其要提及的是掉落风险,这对于表面的相应材料的延展性和机械稳定性有很高的要求。对于此类可移动器件,例如移动电话或者汽车的遥控器,如果使用陶瓷作为材料,那么当可移动器件掉落时,就会存在这些器件或表面剥落或损害的风险。即使在使用者手中使用以及在裤袋或其它保管地点存放的过程中,陶瓷材料也没有长期稳定性。在本发明范围内术语陶瓷和陶瓷材料同义使用。
发明内容
本发明的任务在于克服以上所述的缺点。本发明的任务尤其在于,即使在如可移动器件中出现的高机械要求的情况下,至少也可以在该器件的表面上提供陶瓷感观特性。除此之外,还可减少成本和生产费用。
采用具有方案1所述特征的方法、具有方案8所述特征的方法以及具有方案10所述特征的这些方法的应用,即可解决上述任务。
关于本发明的其它特征和细节,由方案2-7和9、说明书和附图给出。与本发明所述生产方法(方案1)有关的特征和详情当然也与根据本发明的调整方法(方案8)以及这两种方法的相应应用有关,反之亦然,因此始终可以交替参考关于发明各方面的公开内容。
方案1.在载体(10)上产生具有陶瓷感观特性的表面(22)的方法,包括以下步骤:
-预加工载体(10)的至少一个载体表面(12),
-利用气相沉积法为预加工的载体表面(12)施涂类似陶瓷的感观层(20)。
方案2.根据方案1所述的方法,其特征在于,至少参照以下通过该方法实现的感观特性调整气相沉积法的工艺参数,使其适应于陶瓷的相应感观特性
-颜色
-表面粗糙度
-表面光泽
-接触温度
-重量。
方案3.根据上述方案中任一项所述的方法,其特征在于,执行以下至少一个步骤来预加工载体(10)的至少一个载体表面(12):
-打磨
-抛光
-磨砂
-电镀。
方案4.根据上述方案中任一项所述的方法,其特征在于,所述气相沉积法涉及至少一种以下方法:
-PVD(Physical Vapor Deposition/物理气相沉积)
-CVD(Chemical Vapor Deposition/化学气相沉积)
-DLC(Diamond Like Carbon/类金刚石碳)。
方案5.根据上述方案中任一项所述的方法,其特征在于,载体(10)至少部分由塑料构成,和/或至少部分由金属构成。
方案6.根据上述方案中任一项所述的方法,其特征在于,使用层厚在大约0.2μm和0.5μm之间的感观层(20)进行涂层。
方案7.根据上述方案中任一项所述的方法,其特征在于,在感观层(20)下涂覆防护层(30)。
方案8.对用于在载体(10)上产生具有陶瓷感观特性的表面(22)的气相沉积法进行调整的方法,包括以下步骤:
-确定至少一个陶瓷感观特性的值,
-调整气相沉积法的至少一个工艺参数,以便利用非陶瓷表面(22)实现所确定的至少一个感观特性的值。
方案9.根据方案8所述的方法,其特征在于,使用具有方案1~7中任一项所述特征的方法在载体(10)上产生表面(22)。
方案10.具有方案1~7中任一项所述特征的方法和/或具有方案8或9中任一项所述特征的方法的用途,用于生产可移动器件。
本发明所述的方法可用来在非陶瓷载体上产生具有陶瓷感观特性、尤其是非陶瓷的表面。这种方法包括以下步骤:
-预加工载体的至少一个载体表面,
-利用气相沉积法给预加工的载体表面施涂类似陶瓷的感观层。
在本发明范围内陶瓷感观特性或者类似陶瓷的感观,指的是在感知这种非陶瓷表面的时候至少部分给人以陶瓷材料印象的特性。感观特性是可以利用人的不同感官感知的材料特性。
尤其涉及能够引起人的触觉或视觉反应的感观特性。因此所指的尤其是表面的接触温度、表面结构、表面光泽或表面颜色。
本发明所述的方法基于能够将用于感观层的相应材料沉积的气相沉积法。所述气相沉积法可以不同基本参数操作。尤其是,在本发明范围内,不仅可以是物理气相沉积法,也可以是化学气相沉积法。尤其考虑无定形碳、氮化锆、钛、铜、镍、铬、钯和钌以及这些材料的组合作为非陶瓷感观层的材料。
可以不同方式预加工载体的载体表面。例如,一方面可针对随后的气相沉积法进行预加工。尤其是如下进行预加工,使得赋予载体的载体表面导电能力。例如可以利用电镀法进行预加工。也可以涂覆防腐层用作对载体表面的预加工。气相沉积法以1:1的比例在感观层表面上形成载体表面,基于这一事实,这种载体表面的预加工也可以影响表面结构或表面光泽。可以对载体的所述至少一个载体表面进行预加工,例如可采用打磨、抛光或者类似的方法。
根据本发明的方法尤其是用于生产在可移动器件,优选可移动操作元件中的类似陶瓷的表面。尤其包括移动电话、钥匙、汽车遥控器或类似器件。
可以如下改进根据本发明的方法,即至少参照以下通过该方法实现的感观特性调整气相沉积法的工艺参数,使其适应于相应的陶瓷感观特性
-颜色
-表面粗糙度
-表面光泽
-接触温度
-重量。
当然也可以调整载体的至少一个载体表面的预加工工艺参数,使其适应于一种或者多种以上所述的陶瓷感观特性。可以单独或者组合进行调整。有利的是,使得气相沉积法和/或者载体表面的预加工的工艺参数与陶瓷感观特性之一相互联系。例如对载体表面的表面加工可以影响感观层的表面粗糙度和/或者表面光泽。气相沉积法过程中的材料或工艺参数设置尤其与陶瓷颜色的感观特性有关。除此之外,层厚或材料的选择还可以调整重量和/或者接触温度作为感观层的陶瓷感观特性。
同样有利的是,在根据本发明的用于预加工载体的至少一个载体表面的方法中,执行以下步骤的至少之一:
-打磨
-抛光
-磨砂
-电镀。
进行电镀尤其用于产生能够导电的中间层。由此实现预加工,以改善随后的气相沉积法的实施。步骤如打磨、抛光或磨砂,也就是载体的载体表面的切削表面加工尤其涉及调整基于表面粗糙度和表面光泽的陶瓷感观特性。如果载体的材料本身非导电材料,那么产生能够导电的中间层作为预加工是很重要的。例如塑料材料构成的载体就是这种情况。
可以如下改进根据本发明的方法,使得所述气相沉积法涉及以下方法的至少一种:
-PVD(Physical Vapor Deposition/物理气相沉积)
-CVD(Chemical Vapor Deposition/化学气相沉积)
-DLC(Diamond Like Carbon/类金刚石碳)。
所述DLC法涉及CVD法的一种特殊形式。原则上,所所有列举例均涉及气相沉积法。尤其可针对待实现和希望的类陶瓷表面的感观特性调整选择物理或化学气相沉积法。当然也可以在本发明所述的方法之内将不同的气相沉积法相互组合。
有利的是,在根据本发明方法中载体至少部分由塑料和/或者至少部分由金属构成。根据对最终特性的要求,尤其是根据对非陶瓷表面的感观特性的要求进行相应的选择。塑料的使用减小了总重量,此外还减少了以这种方式生产的可移动器件或可移动操作元件的成本。如果使用金属,则会增大重量,使得鉴于重量感观特性进行调整,以便适应于可移动器件或者可移动操作元件的陶瓷的相应感观特性。也可以通过选择载体材料一并调节可实现的表面结构和光泽。
同样有利的是,在根据本发明的方法中,使用层厚在大约0.2μm和0.5μm之间的感观层进行涂层。低层厚降低实施根据本发明的方法的费用和成本。参照温度差异,鉴于所用材料的不同热膨胀系数改善在载体的载体表面上的附着。
在根据本发明的方法中,如果在感观层下施涂保护层,则更为有益。该保护层尤其用于载体的腐蚀防护,例如在载体的金属和/或者塑料材料的情况下很有意义。可以防护化学品、和/或紫外光和/或者气体引起的腐蚀。尤其可以电镀防护层,并且防护层具有镍和/或铜和/或者铬作为成分。当然原则上也可以在感观层外部涂覆例如清漆形式的附加保护层。
本发明的主题同样是对用于产生类似陶瓷表面的气相沉积法进行调整的方法。在载体上产生具有陶瓷感观特性的类似陶瓷的表面。这种调整方法包括以下步骤:
-确定至少一个陶瓷感观特性的值,
-调整气相沉积法的至少一个工艺参数,以便利用类似陶瓷的表面实现所确定的至少一个感观特性的值。
原则上,例如鉴于实验室值与制造过程中可实现的值之间的比较结果进行该调整方法。也就是有针对性地调整气相沉积法的相应工艺参数,以便达到相应陶瓷感观特性的所确定的实验室值。完全可能的是,用陶瓷材料制作可移动器件或可移动操作元件的参考样件,从而可在该陶瓷样件上直接测定相应的感观特性值。例如涉及颜色测定、测量表面粗糙度、测定表面光泽或测定重量。对于所有值,优选使用一种独立于其它参数检测该感观特性的测量方法。例如当确定色度值时,可以使用不依赖于感观层表面结构或表面光泽的Lab色度系统。
可以如下改进根据以上段落的方法,使用本发明所述用于产生该感观层的方法在载体上产生类似陶瓷的表面。因此根据本发明的调整方法所带来的优点与参考根据本发明的产生方法详细解释的优点相同。
本发明的主题同样是使用根据本发明的调整方法和/或者使用根据本发明的产生方法来生产可移动器件。这种可移动器件尤其是可移动操作件。尤其是遥控器、汽车的遥控钥匙和/或者移动电话。
附图说明
以下将根据附图详细解释本发明。
附图1用于开始实施本发明所述方法的载体,
附图2根据本发明方法的第一种实施方式结束之后的器件,
附图3根据本发明方法的另一种实施方式中的中间步骤,以及
附图4根据本发明方法的另一种实施方式完成之后的器件。
具体实施方式
附图1示出塑料或金属构成的载体10,所述载体上方有载体表面12。可以对其进行预处理,例如进行电镀处理。可考虑,也可以对该载体表面12进行抛光、打磨或者磨砂。随后,例如可以利用气相沉积法直接施涂感观层20。
附图2示出气相沉积法的结果。感观层20位于载体10上,该感观层已沉积在经预加工的载体表面12上。感观层的表面22是类似陶瓷的表面,其具有陶瓷的至少一种感观特性。所述感观特性尤其是接触温度、颜色、表面结构和/或者表面光泽。
从根据附图1的载体10出发,也可以如附图3中所示施涂防护层30。该防护层30尤其用于载体10的腐蚀防护。接着通过气相沉积法将感观层20施涂在防护层30上,如附图4所示。这里的感观层20也具有类似陶瓷的表面22,其能实现陶瓷的至少一种感观特性。
附图2和4显示两种不同方式生产的器件100,例如可将其用于可移动操作件。
以上对实施方式的解释仅仅举例描述了本发明。只要技术上可行,当然也可以将这些实施方式的各个特征任意相互组合,而不离开本发明的范围。
附图标记清单
10 载体
12 载体表面
20 感观层
22 表面
30 防护层
100 器件

Claims (9)

1.在载体(10)上产生在可移动器件中具有陶瓷感观特性的表面(22)的方法,包括以下步骤:
-预加工载体(10)的至少一个载体表面(12),
-利用气相沉积法为预加工的载体表面(12)施涂类似陶瓷的感观层(20),
其特征在于,执行以下至少一个步骤来预加工载体(10)的至少一个载体表面(12):
-打磨
-抛光
-磨砂
-电镀,其中
无定形碳、钛、铜、镍、铬、钯或钌以及这些材料的组合作为非陶瓷感观层(20)的材料。
2.根据权利要求1所述的方法,其特征在于,至少参照以下之一通过该方法实现的感观特性调整气相沉积法的工艺参数,使其适应于陶瓷的相应感观特性
-颜色
-表面粗糙度
-表面光泽
-接触温度
-重量。
3.根据权利要求1或2所述的方法,其特征在于,所述气相沉积法涉及至少一种以下方法:
-PVD(Physical Vapor Deposition/物理气相沉积)
-CVD(Chemical Vapor Deposition/化学气相沉积)。
4.根据权利要求1或2所述的方法,其特征在于,载体(10)至少部分由塑料构成,和/或至少部分由金属构成。
5.根据权利要求1或2所述的方法,其特征在于,使用层厚在0.2μm和0.5μm之间的感观层(20)进行涂层。
6.根据权利要求1或2所述的方法,其特征在于,在感观层(20)下涂覆防护层(30)。
7.对用于在载体(10)上产生在可移动器件中具有陶瓷感观特性的表面(22)的气相沉积法进行调整的方法,包括以下步骤:
-确定至少一个陶瓷感观特性的值,
-调整气相沉积法的至少一个工艺参数,以便利用非陶瓷表面(22)实现所确定的至少一个感观特性的值,其中
无定形碳、钛、铜、镍、铬、钯或钌以及这些材料的组合作为非陶瓷感观层(20)的材料。
8.根据权利要求7所述的方法,其特征在于,使用具有权利要求1~6中任一项所述特征的方法在载体(10)上产生表面(22)。
9.具有权利要求1~6中任一项所述特征的方法和/或具有权利要求7或8中任一项所述特征的方法的用途,用于生产可移动器件。
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