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公开(公告)号:US4742175A
公开(公告)日:1988-05-03
申请号:US68752
申请日:1987-06-30
IPC分类号: C07C7/06 , C07C211/22 , C07D211/22 , C30B7/08
CPC分类号: C07D211/22
摘要: Polymorphically pure terfenadine, 1-(p-tert-butylphenyl)-4-[4'-(.alpha.-hydroxydiphenylmethyl)-1'-piperidinyl]-butanol, is prepared by carefully controlled recrystallization methods.
摘要翻译: 通过仔细控制的重结晶方法制备多晶型纯的特非那定1-(对叔丁基苯基)-4- [4' - (α-羟基二苯基甲基)-1'-哌啶基] - 丁醇。
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公开(公告)号:US5672435A
公开(公告)日:1997-09-30
申请号:US496797
申请日:1995-06-29
申请人: David W. Born , Uday V. Deshmukh , Timothy G. Fawcett , Richard T. Fox , Kevin J. Nilsen , Aleksander J. Pyzik
发明人: David W. Born , Uday V. Deshmukh , Timothy G. Fawcett , Richard T. Fox , Kevin J. Nilsen , Aleksander J. Pyzik
IPC分类号: C04B41/88 , C22C1/05 , C22C1/10 , C22C21/00 , C22C29/00 , C22C29/02 , C22C32/00 , G11B5/596 , G11B5/73 , G11B5/82 , G11B5/84 , G11B21/02 , G11B23/00 , G11B33/12 , H01L23/15 , B22F3/26
CPC分类号: C22C1/1036 , C22C32/0057 , G11B23/0064 , G11B5/731 , G11B5/82 , G11B5/8404 , H01L23/15 , B22F2998/00 , G11B5/596 , H01L2924/0002 , H01L2924/09701 , Y10T428/12028 , Y10T428/12049 , Y10T428/12056 , Y10T428/12063 , Y10T428/12069
摘要: Hard disk drive components, such as, sliders, load beams, support arms, actuators, actuator bearings, spacers, clamps, spindles, ball bearings, thrust bearings, journal bearings, base plates, housings, and covers, formed of a multi-phase ceramic-based material. One method of making the hard disk drive components includes (a) forming a porous body of ceramic; (b) infiltrating a liquid into the pores of the ceramic body; (c) solidifying the infiltrated liquid; and (d) machining the metal-infiltrated ceramic body to form the hard disk drive component.
摘要翻译: 诸如滑块,负载梁,支撑臂,致动器,致动器轴承,间隔件,夹具,主轴,滚珠轴承,推力轴承,轴颈轴承,基板,壳体和盖的硬盘驱动部件,由多相 陶瓷基材料。 制造硬盘驱动器部件的一种方法包括(a)形成多孔陶瓷体; (b)将液体渗透到陶瓷体的孔中; (c)固化渗透液体; 和(d)加工金属渗透的陶瓷体以形成硬盘驱动部件。
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公开(公告)号:US4821303A
公开(公告)日:1989-04-11
申请号:US105769
申请日:1987-10-06
申请人: Timothy G. Fawcett , William C. Harris, Jr. , Robert A. Newman , Lawrence F. Whiting , Frank J. Knoll
发明人: Timothy G. Fawcett , William C. Harris, Jr. , Robert A. Newman , Lawrence F. Whiting , Frank J. Knoll
IPC分类号: G01N23/207 , G01N25/48 , G01N23/20
CPC分类号: G01N23/207 , G01N25/4866
摘要: Scientific apparatus and a method are described for observing simultaneously both structural and thermodynamic properties of materials. An X-ray diffractometer and a thermal analyzer and mounted to cooperate and coact on the same sample and to complete a meaningful analysis in a very few minutes. The diffractometer is equipped with a rapid position-sensitive detector connected to a multichannel analyzer to record and display X-ray diffraction data from the sample over an angle of 20.degree. (two theta) or more. The thermal analyzer is preferably a differential scanning calorimeter. By correlating X-ray diffraction and thermal data taken simultaneously while the sample is passing through a range of temperatures and/or environments, structural changes corresponding to thermal events can be identified and elucidated.
摘要翻译: 描述了用于同时观察材料的结构和热力学性质的科学仪器和方法。 X射线衍射仪和热分析仪,并安装在相同样品上进行配合并合作,并在几分钟内完成有意义的分析。 衍射仪配备有一个连接到多通道分析仪的快速位置敏感检测器,用于在20°(2θ)或更大的角度上记录和显示样品的X射线衍射数据。 热分析仪优选为差示扫描量热计。 通过将样品通过一定温度和/或环境的同时获取的X射线衍射和热数据相关联,可以识别和阐明与热事件相对应的结构变化。
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