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    • 3. 发明授权
    • Photographic camera with digital controller and method of manufacture
    • 具有数字控制器和制造方法的照相机
    • US4423934A
    • 1984-01-03
    • US364832
    • 1982-04-02
    • David N. LambethJames K. LeeLee F. Frank
    • David N. LambethJames K. LeeLee F. Frank
    • G03B7/091G03B43/00G05B13/00G05B13/02G03B3/10G03B7/097
    • G03B43/00
    • A digital controller in a photographic camera comprises a microcomputer and one or more digital computer controlled input and output transducers such as scene light measuring means, subject distance measuring means, and means for controlling aperture size, shutter time, or focus adjustment. The microcomputer receives inputs from the input transducers and controls the output transducers in response thereto according to a control program stored in a computer memory. The controller includes a programable memory containing custom control constants to custom tailor the operating program for the specific apparatus in which it resides. According to a preferred embodiment of the invention, a high precision photographic camera is produced by first making the photographic camera, then operating the camera under known operating conditions using a nominal control program. The responces of the output transducers under the known operating conditions are measured and custom tailored control constants are generated for the camera. The custom tailored control constants are then programed into the programable memory to bring the operation of the camera into conformity with desired parameters to complete the manufacture of the camera.
    • 照相机中的数字控制器包括微型计算机和一个或多个数字计算机控制的输入和输出换能器,例如场景光测量装置,被摄体距离测量装置,以及用于控制光圈大小,快门时间或焦点调节的装置。 微型计算机根据存储在计算机存储器中的控制程序接收来自输入换能器的输入并响应于此输入换能器。 控制器包括一个可编程存储器,其中包含自定义控制常数,以定制其驻留的特定设备的操作程序。 根据本发明的优选实施例,通过首先制作照相机,然后使用标称控制程序在已知操作条件下操作照相机来生产高精度照相机。 在已知操作条件下测量输出传感器的响应,并为摄像机生成定制的定制控制常数。 然后将定制的定制控制常数编程到可编程存储器中,以使照相机的操作符合所需参数以完成相机的制造。
    • 4. 发明授权
    • Zinc enhanced hard disk media
    • 锌增强硬盘介质
    • US06432563B1
    • 2002-08-13
    • US09541245
    • 2000-04-03
    • Jie ZouDavid N. LambethDavid E. Laughlin
    • Jie ZouDavid N. LambethDavid E. Laughlin
    • G11B566
    • G11B5/66G11B5/00G11B5/012Y10S428/90
    • The present invention provides a magnetic recording media incorporating Zn containing layers in close proximity to a magnetic layer to provide media having increased coercivity and lower noise. The Zn containing layer can be incorporated in a rotating, translating or stationary recording media to operate in conjunction with magnetic transducing heads for recording and reading of magnetic data, as well as other applications. The magnetic recording medium of the invention preferably includes a Co or Co alloy film magnetic layer, underlayer structures to promote epitaxial crystalline structure in the magnetic layer, and a Zn containing layer to promote isolation between the magnetic grains. The medium can further include seed layers, underlayers, intermediate layers, and overlayers. The process of manufacture includes promoting diffusion of Zn to the magnetic layer grain boundaries.
    • 本发明提供了一种磁记录介质,其包含非常接近磁性层的含Zn层,以提供具有增加的矫顽力和较低噪声的介质。 含锌层可以结合在旋转,平移或静止的记录介质中以与用于记录和读取磁数据以及其它应用的磁转换头一起操作。 本发明的磁记录介质优选包括Co或Co合金膜磁性层,用于促进磁性层中的外延晶体结构的底层结构,以及含Zn层以促进磁性颗粒之间的隔离。 介质还可以包括种子层,底层,中间层和覆盖层。 制造方法包括促进Zn向磁性层晶界的扩散。
    • 5. 发明授权
    • Highly oriented magnetic thin films, recording media, transducers, devices made therefrom and methods of making
    • 高取向磁性薄膜,记录介质,换能器,由其制成的装置和制造方法
    • US06248416B1
    • 2001-06-19
    • US08967669
    • 1997-11-10
    • David N. LambethDavid E. LaughlinWei YangHeng GongJie Ziou
    • David N. LambethDavid E. LaughlinWei YangHeng GongJie Ziou
    • G11B566
    • G11B5/667G11B5/7325Y10T428/12611Y10T428/265
    • The present invention provides for magnetic and magneto-optic recording media, transducers and data storage devices constructed therefrom that have highly oriented films having long range order in the crystal structure of the film. The recording medium includes a magnetic recording layer comprised of Co-based material, such as Co or one or more Co alloys having a (10{overscore (1)}0) crystal texture, a substrate, a first underlayer having a fcc structure and a (110) crystal texture disposed between the substrate and the magnetic recording layer. A second underlayer having a bcc structure and a (112) crystal texture is also disposed between the magnetic recording layer and the first underlayer. In particular, if a (110) Si single crystal substrate is non-oxidized certain metals having fcc structures, such as Ag, Cu, Al, and Au and fcc derivative structures, such L10 and L12 structures, can be epitaxially grown on the Si surface. While the one unit cell to one unit cell lattice match between fcc Ag and A4 (diamond) Si is quite poor, multiples of the Ag unit cell distance fit very well on the Si surface. The long range order of the Si surface induces the epitaxial growth of the Ag fcc structure. Upon this fcc structure, a bcc structure, such as Cr, or a bcc derivative, such as B2, DO3 and/or L21 can be epitaxially grown.
    • 本发明提供了由其构成的磁和磁光记录介质,换能器和数据存储装置,其具有在膜的晶体结构中具有长距离顺序的高取向膜。 记录介质包括由Co基材料组成的磁记录层,例如Co或具有(10 {overscore(1)} O)晶体结构的一种或多种Co合金,衬底,具有fcc结构的第一底层和 设置在基板和磁记录层之间的(110)晶体结构。 具有bcc结构和(112)晶体结构的第二底层也设置在磁记录层和第一底层之间。 特别地,如果(110)Si单晶衬底不被氧化,则可以在Si上外延生长具有fcc结构的某些金属,例如Ag,Cu,Al和Au以及fcc衍生结构,如L10和L12结构 表面。 虽然fcc Ag和A4(金刚石)Si之间的一个单元电池与一个单元电池晶格匹配相当差,但是Ag单元电池距离的倍数在Si表面上很好地匹配。 Si表面的长距离顺序引起Ag fcc结构的外延生长。 在该fcc结构中,可以外延生长诸如Cr的bcc结构或bcc衍生物,例如B2,DO3和/或L21。
    • 6. 发明授权
    • Manganese containing layer for magnetic recording media
    • 含锰层含磁记录介质
    • US5993956A
    • 1999-11-30
    • US844835
    • 1997-04-22
    • David N. LambethLi-Lien LeeDavid E. Laughlin
    • David N. LambethLi-Lien LeeDavid E. Laughlin
    • G11B5/738G11B5/64G11B5/851G11B5/66
    • G11B5/64Y10S428/90Y10T428/26Y10T428/265
    • The present invention provides for a magnetic recording media incorporating Mn-containing layers between a substrate and a magnetic layer to provide media having increased coercivity and lower noise. The Mn-containing layer can be incorporated in a rotating, translating or stationary recording media to operate in conjunction with magnetic transducing heads for recording and reading of magnetic data, as well as other applications. The magnetic recording medium of the invention preferably includes a Co or Co alloy film magnetic layer, and Mn-containing layer, preferably comprised of VMn, TiMn, MnZn, CrMnMo, CrMnW, CrMnV, and CrMnTi, and most preferably a CrMn alloy, disposed between the substrate and the magnetic layer to promote an epitaxial crystalline structure in the magnetic layer. The medium can further include seed layers, preferably polycrystalline MgO for longitudinal media, underlayers, and intermediate layers. Underlayers and intermediate layers are comprised of materials having either an A2 structure or a B2-ordered crystalline structure disposed between the seed layer and the magnetic layer. Materials having an A2 structure are preferably Cr or Cr alloys, such as CrV, CrMo, CrW and CrTi. Materials having a B2-ordered structure having a lattice constant that is substantially comparable to that of Cr, such as those preferably selected from the group consisting of NiAl, AILCo, FeAl, FeTi, CoFe, CoTi, CoHf, CoZr, NiTi, CuBe, CuZn, A-LMn, AlRe, AgMg, and Al.sub.2 FeMn.sub.2, and is most preferably FeAl or NiAl.
    • 本发明提供一种磁性记录介质,其在衬底和磁性层之间结合含Mn层,以提供具有增加的矫顽力和较低噪声的介质。 含Mn层可以结合在旋转,平移或静止的记录介质中以与用于记录和读取磁数据以及其它应用的磁转换头一起操作。 本发明的磁记录介质优选包括Co或Co合金膜磁性层和含Mn层,优选包含VMn,TiMn,MnZn,CrMnMo,CrMnW,CrMnV和CrMnTi,最优选CrMn合金, 在衬底和磁性层之间,以促进在磁性层中的外延晶体结构。 介质还可以包括种子层,优选用于纵向介质,底层和中间层的多晶MgO。 底层和中间层由具有设置在种子层和磁性层之间的具有A2结构或B2有序晶体结构的材料组成。 具有A2结构的材料优选为Cr或Cr合金,例如CrV,CrMo,CrW和CrTi。 具有基本上与Cr相当的晶格常数的B2有序结构的材料,例如优选选自NiAl,AlLCo,FeAl,FeTi,CoFe,CoTi,CoHf,CoZr,NiTi,CuBe, CuZn,A-LMn,AlRe,AgMg和Al2FeMn2,最优选为FeAl或NiAl。
    • 10. 发明授权
    • Rangefinder device with serial readout linear image sensor and peak
detector with threshold setting means
    • 具有串行读出线性图像传感器的测距仪和具有阈值设定装置的峰值检测器
    • US4527891A
    • 1985-07-09
    • US409258
    • 1982-08-18
    • David N. Lambeth
    • David N. Lambeth
    • G01C3/06G01B11/00G01C3/00G01S17/08G02B7/32G03B13/36G01C3/10G03B7/08
    • G01S17/08
    • A rangefinder device includes means for projecting a beam of light to illuminate a spot on an object in a scene. A linear image sensor views the scene and produces a series of photosignals representing the brightness of the scene. Signal processing electronics responsive to the photosignals from the linear image sensor detect the location of the illuminated spot in the scene and produce a distance signal representing the distance to the object. The signal processing electronics include:a counter that is advanced each time a photosignal is received from the image sensor;a latch connected to the counter and responsive to a control signal for temporarily storing the current count of the counter; anda peak detector responsive to the photosignals for producing an output signal each time a new greater photosignal is received.The output signal of the peak detector is supplied to the latch as the control signal. After the series of photosignals has been produced by the image sensor, the count remaining in the latch represents the location of the illuminated spot in the scene. The peak detector includes means for setting a threshold peak value below which no peak is detected.
    • 测距装置包括用于投射光束以照亮场景中物体上的斑点的装置。 线性图像传感器查看场景,并产生一系列表示场景亮度的光信号。 响应于来自线性图像传感器的光信号的信号处理电子器件检测场景中照明光斑的位置,并产生表示到物体的距离的距离信号。 信号处理电子器件包括:每当从图像传感器接收到光信号时,前进的计数器; 连接到所述计数器的锁存器,并且响应于用于临时存储所述计数器的当前计数的控制信号; 以及响应于光信号的峰值检测器,用于在每次接收到新的更大的光信号时产生输出信号。 峰值检测器的输出信号作为控制信号提供给锁存器。 在由图像传感器产生一系列光信号之后,剩余在锁存器中的计数表示场景中照明光斑的位置。 峰值检测器包括用于设置低于该阈值峰值的阈值峰值的装置,其中没有检测到峰值。