CN101515471B - 带有桥接控制器和多个电耦合的导电护罩的信息存储设备 - Google Patents

带有桥接控制器和多个电耦合的导电护罩的信息存储设备 Download PDF

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CN101515471B
CN101515471B CN2009100034149A CN200910003414A CN101515471B CN 101515471 B CN101515471 B CN 101515471B CN 2009100034149 A CN2009100034149 A CN 2009100034149A CN 200910003414 A CN200910003414 A CN 200910003414A CN 101515471 B CN101515471 B CN 101515471B
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conductive shields
information storing
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CN101515471A (zh
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W·塞雷米塔
B·A·卡里卡尔
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Western Digital Technologies Inc
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Abstract

本发明公开并要求保护一种新型信息存储设备。该信息存储设备包括磁盘驱动器、磁盘驱动器印刷电路板以及第一导电护罩，该第一导电护罩在该磁盘驱动器印刷电路板之上并电耦合到该磁盘驱动器。该信息存储设备还包括桥接控制器印刷电路板和第二导电护罩，该第二导电护罩在该桥接控制器印刷电路板之上并电耦合到该桥接控制器印刷电路板。该第一导电护罩和该第二导电护罩彼此直接接触。磁盘驱动器接口连接器使该桥接控制器印刷电路板与该磁盘驱动器印刷电路板电耦合。第三导电护罩被附连到该磁盘驱动器接口连接器上并直接接触该第一导电护罩和该第二导电护罩。

Description

带有桥接控制器和多个电耦合的导电护罩的信息存储设备
技术领域
本发明一般地涉及信息存储设备领域，且更具体地涉及信息存储设备的安装系统和外壳。
背景技术
信息存储设备用于为计算机系统和其它消费类电子产品检索(retrieve)和/或存储数据。磁性硬盘驱动器是信息存储设备的一个示例。包括磁性硬盘驱动器的很多信息存储设备对其外部环境是敏感的，该外部环境包括机械冲击、外部施加的力和电磁场、污染物、温度和/或湿度的变化等等。因此，信息存储设备的外壳和安装系统可能影响其性能、可靠性和寿命。
很多信息存储设备被容纳在利用它们检索和/或存储数据的系统内。例如，所谓的“内部”磁盘驱动器被容纳在利用它们存储数据的主计算机系统内，并因此内部磁盘驱动器可以利用主计算机系统的电功率、电磁屏蔽、对流冷却和/或传导冷却、振动阻尼、对外部机械冲击的一定程度的隔离等等。
其它信息存储设备不被容纳在利用它们检索和/或存储数据的系统内。例如，所谓的“外部”硬盘驱动器包括其自身的外壳，该外壳可以提供电磁屏蔽、振动阻尼、对外部机械冲击的一定程度的隔离以及有源或无源冷却等等。
现代信息存储设备的安装系统和外壳通常必须满足挑战性的空间和成本需求。因此，在本领域存在对信息存储设备的改进的安装系统和外壳的持续需求。
发明内容
公开并要求保护一种新型信息存储设备。该信息存储设备包括磁盘驱动器、磁盘驱动器印刷电路板以及第一导电护罩，该第一导电护罩在该磁盘驱动器印刷电路板之上并电耦合到该磁盘驱动器。该信息存储设备还包括桥接控制器印刷电路板和第二导电护罩，该第二导电护罩在该桥接控制器印刷电路板之上并电耦合到该桥接控制器印刷电路板。该第一导电护罩和该第二导电护罩彼此直接接触。磁盘驱动器接口连接器使该桥接控制器印刷电路板与该磁盘驱动器印刷电路板电耦合。第三导电护罩被附连到该磁盘驱动器接口连接器上并直接接触该第一导电护罩和该第二导电护罩。
附图说明
图1是根据本发明的实施例带有第一、第二和第三护罩的信息存储设备的分解透视图。
图2是根据本发明的实施例的桥接控制器印刷电路板的透视图。
图3是根据本发明的实施例附连到磁盘驱动器接口连接器的第三护罩的透视图。
图4是图3的第三护罩和磁盘驱动器接口连接器的分解透视图。
图5描述根据本发明的实施例的第一导电护罩。
图6描述根据本发明的实施例耦合到磁盘驱动器上的图5的第一导电护罩。
图7描述根据本发明的实施例的信息存储设备的局部分解视图。
具体实施方式
公开并要求保护一种新型信息存储设备。图1是根据本发明的实施例的信息存储设备100的分解透视图。该信息存储设备100包括磁盘驱动器110、磁盘驱动器印刷电路板120和第一导电护罩130，该第一导电护罩在磁盘驱动器印刷电路板120之上并通过螺钉112附连到磁盘驱动器110。磁盘驱动器印刷电路板120可以包括磁盘驱动器控制器电路以控制磁盘驱动器110内的主轴马达的旋转以及磁盘驱动器110内的致动器的运动。为了降低加工成本，第一导电护罩130优选用片状金属制作。
磁盘驱动器110包括磁盘驱动器顶表面114、磁盘驱动器底表面116和磁盘驱动器外围118。磁盘驱动器110定义出Z方向(与磁盘驱动器顶表面114正交)且磁盘驱动器110定义出在Z方向从磁盘驱动器底表面116到磁盘驱动器顶表面114测得的磁盘驱动器高度115。磁盘驱动器110可以具有各种形状因子且该形状因子基本上确定磁盘驱动器高度115。例如，磁盘驱动器110可以是形状因子为3.5”的磁盘驱动器，并具有大约为25mm的磁盘驱动器高度115。再例如，磁盘驱动器110可以是形状因子为2.5”的磁盘驱动器，并具有大约为9.5mm的磁盘驱动器高度。
磁盘驱动器印刷电路板120的尺寸和磁盘驱动器110的尺寸可能影响第一导电护罩130的各个方面的设计。例如，第一导电护罩130优选足够大以充分覆盖磁盘驱动器印刷电路板120，从而提供充足的电磁屏蔽。再例如，可能用来制作第一导电护罩130的片状金属的厚度可以根据磁盘驱动器的形状因子按比例放缩。例如，在图1的实施例中，如果磁盘驱动器110是形状因子为3.5”的磁性硬盘驱动器，则相应的片状金属厚度优选在0.8mm至1.6mm范围内。再例如，如果磁盘驱动器110是形状因子为2.5”的磁性硬盘驱动器，则相应的片状金属厚度优选在0.4mm至1.2mm范围内。
图1的信息存储设备100还包括桥接控制器印刷电路板140和第二导电护罩150，该第二导电护罩150在该桥接控制器印刷电路板140之上并电耦合到该桥接控制器印刷电路板140。该桥接控制器印刷电路板140更详细地显示在图2中，且可以是例如串行高级技术附件(SATA)控制器印刷电路板，其包括控制SATA接口的电路。该桥接控制器印刷电路板140可以例如使能信息存储设备100经由通用串行总线(USB)连接来将数据传递到/传递出分离的计算机系统。
在图1的实施例中，第一导电护罩130和第二导电护罩150显示为彼此直接接触，并且也可以通过螺钉152和隔离物132彼此附连。还是在图1的实施例中，第一导电护罩130包括导电凸片134，该导电凸片接触并可以帮助保持第二导电护罩150。
在图1的实施例中，磁盘驱动器接口连接器160电耦合桥接控制器印刷电路板140和磁盘驱动器印刷电路板120。例如，如图3和图4中更详细地示出，磁盘驱动器接口连接器160是多层SATA连接器。优选地，磁盘驱动器接口连接器160包括至少6mm高的硬塑料体162。优选地，磁盘驱动器接口连接器160不包含任何缆线。优选地，磁盘驱动器接口连接器160在任何方向均不从磁盘驱动器110凸出超过6mm。
在图1的实施例中，第三导电护罩170附连到磁盘驱动器接口连接器160，并且在组装后直接接触第一导电护罩130和第二导电护罩150。例如，第三导电护罩170可以用不锈钢制作。在图1的实施例中，第三导电护罩170与第一导电护罩130之间的直接接触是由从第三导电护罩170延伸出的导电突出物172提供的。导电突出物172更详细地显示在图3和图4中。考虑加工容限，可以通过排布适合于图1的实施例中的第二导电护罩150的导电缆线154增强第三导电护罩170与第二导电护罩150之间的直接接触的电可靠性。
图5示出第一导电护罩130的更近的透视图，而图6示出根据本发明的实施例耦合到磁盘驱动器110上的第一导电护罩130。在图5和图6的实施例中，第一导电护罩130包括外围电容性凸缘136，每个外围电容性凸缘至少局部与磁盘驱动器外围118重叠。为了适应加工容限，外围电容性凸缘136被设计为在与Z方向正交的方向上通过间隙与磁盘驱动器外围118分离。例如，如果磁盘驱动器110是形状因子为3.5”的磁盘驱动器，则该间隙可以在0.5mm至5.1mm范围内。再例如，如果磁盘驱动器110是形状因子为2.5”的磁盘驱动器，则该间隙可以在0.5mm至2mm范围内。
优选地，测定每个外围电容性凸缘136的尺寸以便在Z方向上与磁盘驱动器外围118重叠至少间隙的5倍。例如，如果磁盘驱动器110是形状因子为3.5”的磁盘驱动器，则在Z方向测得的重叠优选为至少2.5mm但是优选不超过25.4mm。再例如，如果磁盘驱动器110是形状因子为2.5”的磁盘驱动器，则在Z方向测得的重叠优选为至少2.5mm但是优选不超过10mm。这一重叠可以提供第一导电护罩130和磁盘驱动器110之间的期望电容性电耦合水平，以此替代或附加通过螺钉112实现的直接电耦合。外围电容性凸缘136也可以包括多个凸出部138，用来将磁盘驱动器110及其导电护罩安装到外部壳体内。
图7是根据本发明的实施例的信息存储设备700的局部分解视图。信息存储设备700包括外壳702和盖子704。例如，外壳702和盖子704可以包括注模塑料。在图7的实施例中，第二导电护罩750包括与第一导电护罩730接触的导电凸片758。第一导电护罩730也可以包括导电凸片734，该导电凸片接触并帮助保持第二导电护罩750。
在前面的说明书中，通过参考具体的示例性实施例描述了本发明，但是本领域技术人员将认识到本发明并不局限于此。预期本发明的各个特征和方面可以单独使用或结合使用，并可能用在不同的环境或应用中。相应地，说明书和附图被认为是说明性和示例性的而非限制性的。“包括”、“包含”和“具有”希望是可扩充的术语。

Claims (14)

1.一种信息存储设备，其包括：
磁盘驱动器，其包括磁盘驱动器印刷电路板；
第一导电护罩，其在所述磁盘驱动器印刷电路板之上并电耦合到所述磁盘驱动器；
桥接控制器印刷电路板；
第二导电护罩，其在所述桥接控制器印刷电路板之上并电耦合到所述桥接控制器印刷电路板；
磁盘驱动器接口连接器，其使所述桥接控制器印刷电路板与所述磁盘驱动器印刷电路板电耦合；
第三导电护罩，其附连到所述磁盘驱动器接口连接器；
其中所述第一导电护罩和所述第二导电护罩彼此直接接触；以及
其中所述第三导电护罩直接接触所述第一导电护罩和所述第二导电护罩。
2.根据权利要求1所述的信息存储设备，其中所述第二导电护罩包括与所述第一导电护罩接触的第一导电凸片。
3.根据权利要求1所述的信息存储设备，其中所述第二导电护罩包括与所述第三导电护罩接触的第二导电凸片。
4.根据权利要求1所述的信息存储设备，其中所述第三导电护罩包括与所述第一导电护罩接触的第一突出物。
5.根据权利要求4所述的信息存储设备，其中所述第三导电护罩包括与所述第一导电护罩接触的第二突出物。
6.根据权利要求1所述的信息存储设备，其中所述磁盘驱动器接口连接器是串行高级技术附件连接器，即SATA连接器。
7.根据权利要求6所述的信息存储设备，其中所述磁盘驱动器接口连接器是包括硬塑料体的多层SATA连接器，所述硬塑料体至少高6mm并不含有任何缆线。
8.根据权利要求1所述的信息存储设备，其中所述磁盘驱动器接口连接器在任何方向均不从所述磁盘驱动器凸出超过6mm。
9.根据权利要求1所述的信息存储设备，其中所述桥接控制器印刷电路板包括串行高级技术附件控制器，即SATA控制器。
10.根据权利要求1所述的信息存储设备，
其中所述磁盘驱动器进一步包括磁盘驱动器顶表面、磁盘驱动器底表面和磁盘驱动器外围，以及
其中所述磁盘驱动器定义出与所述磁盘驱动器顶表面正交的Z方向，以及
其中所述磁盘驱动器定义出在所述Z方向从所述磁盘驱动器底表面到所述磁盘驱动器顶表面测得的磁盘驱动器高度，以及
其中所述第一导电护罩包括至少局部与所述磁盘驱动器外围重叠的外围电容性凸缘，所述外围电容性凸缘在与所述Z方向正交的方向上通过间隙与所述磁盘驱动器外围分离，以及
其中所述外围电容性凸缘与所述磁盘驱动器外围在所述Z方向上的重叠量是所述间隙的至少5倍。
11.根据权利要求10所述的信息存储设备，其中所述磁盘驱动器是形状因子为2.5”的磁盘驱动器，且在所述Z方向测得的所述重叠量是至少2.5mm，但是不超过10mm。
12.根据权利要求10所述的信息存储设备，其中所述磁盘驱动器是形状因子为3.5”的磁盘驱动器，且在所述Z方向测得的所述重叠量是至少2.5mm，但是不超过25.4mm。
13.根据权利要求1所述的信息存储设备，其中所述磁盘驱动器是形状因子为2.5”的磁盘驱动器，且其中所述第一导电护罩包括具有厚度在0.4mm至1.2mm范围内的片状金属。
14.根据权利要求1所述的信息存储设备，其中所述磁盘驱动器是形状因子为3.5”的磁盘驱动器，且其中所述第一导电护罩包括具有厚度在0.8mm至1.6mm范围内的片状金属。
CN2009100034149A 2008-02-22 2009-01-12 带有桥接控制器和多个电耦合的导电护罩的信息存储设备 Expired - Fee Related CN101515471B (zh)

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