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    • 45. 发明申请
    • STORAGE APPARATUS AND METHOD FOR CONTROLLING STORAGE APPARATUS INVOLVING SNAPSHOTS
    • 存储设备和控制存储设备的方法
    • US20130219136A1
    • 2013-08-22
    • US13394045
    • 2012-02-20
    • Yasuaki NakamuraTomohiko SuzukiTetsuya AbeAkemi Sanada
    • Yasuaki NakamuraTomohiko SuzukiTetsuya AbeAkemi Sanada
    • G06F12/16
    • G06F3/061G06F3/0653G06F3/0689G06F11/3409G06F11/3485
    • A drop in the access performance to a source volume is prevented by executing various control methods according to the snapshot usage method. A storage apparatus comprises one or more storage devices which provide storage areas; and a controller which creates a logical volume in the storage area provided by the one or more storage devices, and which reads and writes data from/to the logical volume according to a request from a host, wherein the controller acquires one or more snapshots which are data images at certain time points of the logical volume, wherein the controller determines whether the logical volume is subject to abrupt load fluctuations on the basis of performance information of the logical volume and the snapshots, and wherein, if the logical volume is subject to abrupt load fluctuations, the controller executes predetermined control processing according to usage cases of the snapshots.
    • 通过根据快照使用方法执行各种控制方法来防止对源卷的访问性能的下降。 存储装置包括提供存储区域的一个或多个存储装置; 以及控制器,其在由所述一个或多个存储设备提供的存储区域中创建逻辑卷,并且根据来自主机的请求从/向所述逻辑卷读取和写入数据,其中所述控制器获取一个或多个快照, 是逻辑卷的特定时间点的数据图像,其中控制器基于逻辑卷和快照的性能信息来确定逻辑卷是否受到突然的负载波动,并且其中,如果逻辑卷经受 突然的负载波动,控制器根据快照的使用情况执行预定的控制处理。
    • 49. 发明申请
    • SYNTHETIC SILICA GLASS MOLDED BODY, METHOD OF MOLDING THE SAME, AND METHOD OF INSPECTING SYNTHETIC SILICA GLASS MOLDED BODY
    • 合成二氧化硅玻璃成型体,其成型方法和检查合成二氧化硅玻璃模体
    • US20110130265A1
    • 2011-06-02
    • US11885510
    • 2006-02-08
    • Masafumi MizuguchiTetsuya Abe
    • Masafumi MizuguchiTetsuya Abe
    • C03C3/04C03B11/12G01J1/58
    • G01N21/64C03B11/08C03B23/0013C03B40/02C03B2201/03C03C3/06C03C23/0075C03C2201/32C03C2201/40C03C2203/52G01N21/6402Y02P40/57
    • A method of molding a synthetic silica glass molded body by accommodating a synthetic silica glass block in a mold provided with a pressing portion, and by pressing the block while heating, the method comprising: a step of washing the synthetic silica glass block so that a concentration of copper which is present on the surface of the synthetic silica glass block is 2 ng/cm2 or less, and so that a concentration of aluminium thereon is 10 ng/cm2 or less, before accommodating the synthetic silica glass block in the mold; a step of heating high purity carbon powders in which a content of copper is 40 wt.ppb or less and a content of aluminium is 100 wt.ppb or less at a temperature condition of 1200° C. to 1900° C.; a step of heating the mold at a temperature condition of 1700° C. to 1900° C.; a step of applying the high purity carbon powders after the heating step on the inner surface of the mold after the heating step, before accommodating the synthetic silica glass block in the mold; and a step of molding the synthetic silica glass block in a predetermined form by pressing the block by means of the pressing portion while heating so as to the temperature of the block can be within a hold temperature range of 1500° C. to 1700° C., after accommodating the washed synthetic silica glass block in the mold.
    • 一种通过将合成石英玻璃块容纳在具有按压部分的模具中并通过在加热时加压块来成型合成石英玻璃成型体的方法,所述方法包括:洗涤合成石英玻璃块,使得 存在于合成石英玻璃块的表面上的铜的浓度在将合成石英玻璃块容纳在模具中之前为2ng / cm 2以下,使其上的铝浓度为10ng / cm 2以下。 在1200℃至1900℃的温度条件下,加热铜含量为40重量ppm以下,铝含量为100重量ppm以下的高纯度碳粉末的工序。 在1700℃至1900℃的温度条件下加热模具的步骤。 在将合成石英玻璃块容纳在模具中之后,在加热步骤之后将高纯度碳粉末加热到模具的内表面之后的步骤; 以及通过在加热的同时通过按压部分压块而使预定形式的合成石英玻璃块成型的步骤,使得块的温度可以在1500℃至1700℃的保持温度范围内 在将洗涤的合成石英玻璃块容纳在模具中之后。