Gate protection diode for high-frequency power amplifier
    51.
    发明授权
    Gate protection diode for high-frequency power amplifier 有权
    门极保护二极管用于高频功率放大器

    公开(公告)号:US07932562B2

    公开(公告)日:2011-04-26

    申请号:US12251790

    申请日:2008-10-15

    IPC分类号: H01L27/06

    摘要: A high-frequency power amplifier of the type to be mounted in an RF module for mobile phones having high-frequency power field effect transistors and gate protective diodes which are coupled between the gates and the sources of the high-frequency power field effect transistors. The gate protective diodes have an n type region formed over the main surface of a p type epitaxial layer, a first p type region formed at the center of the main surface of the n type region, a second p type region formed over the main surface of the epitaxial layer around the n type region from the periphery of the main surface of the n type region, and p+ type buried layers for coupling the second p type region to a substrate body. The distance between the end portions of the p+ type buried layers and the n+ type region is 7 μm or more.

    摘要翻译: 一种高频功率放大器,其类型安装在具有高频功率场效应晶体管和栅极保护二极管的手机的RF模块中,高频功率场效应晶体管和栅极保护二极管耦合在高频功率场效应晶体管的栅极和源极之间。 栅极保护二极管具有形成在p型外延层的主表面上的n型区域,形成在n型区域的主表面中心的第一p型区域,形成在n型区域的主表面上的第二p型区域 从n型区域的主表面周围的n型区域周围的外延层和用于将第二p型区域耦合到衬底本体的p +型掩埋层。 p +型掩埋层的端部与n +型区域之间的距离为7μm以上。

    IC CARD
    53.
    发明申请
    IC CARD 审中-公开
    IC卡

    公开(公告)号:US20080245878A1

    公开(公告)日:2008-10-09

    申请号:US12050926

    申请日:2008-03-18

    IPC分类号: G06K19/067

    CPC分类号: G06K19/07 G06K19/07732

    摘要: Disclosed is a semiconductor device including built-in interface circuits whose operations are selected in response to initialization operation from a host apparatus coupled thereto. In the semiconductor device, a first synchronous interface circuit and a second asynchronous interface circuit using differential signals, share the external terminals of the differential signals (the external differential signal terminals). For example, the semiconductor device adopts an MMC interface circuit as the first interface circuit and a USB interface circuit as the second interface circuit, while keeping the IC card interface function. The semiconductor device selects operations of the adopted interface circuits exclusively. One selection method is to enable an interface operation of the first interface circuit, upon detection of a plurality of edge changes in a clock input from an external clock terminal, which is for initializing the first interface circuit when power supply to the semiconductor device is started.

    摘要翻译: 公开了一种包括内置接口电路的半导体器件,其操作是响应于与其耦合的主机设备的初始化操作来选择的。 在半导体器件中,使用差分信号的第一同步接口电路和第二异步接口电路共享差分信号的外部端子(外部差分信号端子)。 例如,半导体器件采用MMC接口电路作为第一接口电路和USB接口电路作为第二接口电路,同时保持IC卡接口功能。 半导体器件专门选择所采用的接口电路的操作。 一种选择方法是在检测到从外部时钟端子输入的时钟中的多个边缘变化时启用第一接口电路的接口操作,其用于在开始向半导体器件供电时初始化第一接口电路 。

    Memory card
    54.
    发明申请
    Memory card 审中-公开
    存储卡

    公开(公告)号:US20070136616A1

    公开(公告)日:2007-06-14

    申请号:US11703745

    申请日:2007-02-08

    IPC分类号: G06F1/00

    CPC分类号: G06K19/0701 G06K19/07

    摘要: A memory card is provided in which power consumption is reduced by the pull-up resistor of an input terminal and a misoperation induced by the pull-down resistor of a host apparatus is prevented. The memory card has a select terminal connected to the pull-up resistor. When the mode of the memory card is determined based on an input from the select terminal, a relatively low resistance value is selected for the pull-up resistor of the select terminal before a determination timing and the pull-up resistor is restored to an initial resistance value after the mode determination. A relatively high resistance value reduces a leakage current consumed by the pull-up resistor of the select terminal. When a pull-down resistor is connected to the terminal of a memory card host to which the memory card is attached, if the resistance value of the pull-up resistor is excessively high, it is influenced by the drawing in of a current by the pull-down resistor. If the resistance value of the pull-up resistor of the select terminal is lowered at the time of mode determination, an adverse effect of the lowering of a potential by the pull-down resistor can be circumvented.

    摘要翻译: 提供了一种存储卡,其中通过输入端的上拉电阻降低功耗,并且防止由主机设备的下拉电阻引起的误操作。 存储卡具有连接到上拉电阻的选择端子。 当基于来自选择端子的输入确定存储卡的模式时,在确定定时之前为选择端的上拉电阻选择相对较低的电阻值,并且将上拉电阻恢复到初始值 模式确定后的电阻值。 相对较高的电阻值减小了选择端子的上拉电阻消耗的漏电流。 当下拉电阻连接到与存储卡相连的存储卡主机的端子时,如果上拉电阻的电阻值过高,则会受到电流的影响 下拉电阻。 如果选择端子的上拉电阻的电阻值在模式确定时降低,则可以避免下拉电阻降低电位的不利影响。

    Stamper and method for production thereof

    公开(公告)号:US20060187804A1

    公开(公告)日:2006-08-24

    申请号:US10553176

    申请日:2004-04-07

    IPC分类号: G11B3/70

    摘要: The present invention relates to a stamper used for an injection molding of a resin material and a manufacturing method thereof. It is provided with such stamper as being excellent in durability in use without causing corrosion at a portion contacting with the resin material, wherein an anti-corrosion film made of any one of alloy selected from a nickel alloy, a silver alloy or a copper alloy is formed on a surface of the stamper contacting with the resin material. Further, it is provided with a method comprising steps of: forming anti-corrosion film on the surface of a mold for manufacturing the stamper; forming the stamper on the anti-corrosion film; and separating the stamper and the anti-corrosion film in a body from the mold.

    Recording disc and apparatus and method for reproducing recorded information
    56.
    发明申请
    Recording disc and apparatus and method for reproducing recorded information 审中-公开
    记录盘和用于再现记录信息的装置和方法

    公开(公告)号:US20050213483A1

    公开(公告)日:2005-09-29

    申请号:US11135396

    申请日:2005-05-24

    摘要: A recording disc and recorded information reproducing apparatus and method for immediately starting reproduction of information when a push-pull based tracking control is employed to reproduce recorded information from the recording disc. The recording disc comprises an information data area for recording recording marks which carry information data in columns, and a control data area for recording identification information indicative of a recording pattern of the recording marks in the information data area.

    摘要翻译: 一种用于当采用基于推挽的跟踪控制从记录盘再现记录信息时立即开始信息再现的记录盘和记录信息再现装置和方法。 记录盘包括用于记录以列形式携带信息数据的记录标记的信息数据区,以及用于在信息数据区中记录表示记录标记的记录图案的识别信息的控制数据区。

    Multi-layer optical recording medium and method of manufacturing the same
    58.
    发明授权
    Multi-layer optical recording medium and method of manufacturing the same 失效
    多层光记录介质及其制造方法

    公开(公告)号:US06656560B2

    公开(公告)日:2003-12-02

    申请号:US09948785

    申请日:2001-09-10

    IPC分类号: B29D1700

    摘要: Preformatted areas in at least the most distal recording layer from an object lens among a plurality of recording layers in an optical disc include guard areas at both ends of the respective recording layer in the tracing direction. No data is recorded on the guard areas. The guard area length GL is determined to satisfy the following formula: GL≧YL+T×(NA/n)/[1−(NA/n)2]1/2 where YL is a maximum allowable value of position deviation between the preformatted areas in the most distal recording layer and in another recording layer in the tracing direction; NA is the numerical aperture of the object lens; T is a distance between the most distal and the another recording layer; and “n” is an refraction index of a medium between the most distal and the another recording layers.

    摘要翻译: 在光盘中的多个记录层中,来自物镜的至少最远端的记录层中的预格式化区域包括在跟踪方向上的各个记录层的两端的保护区域。 防护区域上没有记录数据。 保护区域长度GL被确定为满足以下公式:其中YL是最远端记录层中的预格式化区域和跟踪方向上的另一记录层之间的位置偏差的最大允许值; NA是物镜的数值孔径; T是最远端和另一记录层之间的距离; “n”是最远端和另一个记录层之间介质的折射率。

    Electrode material for forming stamper and thin film for forming stamper
    59.
    发明授权
    Electrode material for forming stamper and thin film for forming stamper 失效
    用于成型压模的电极材料和用于成型压模的薄膜

    公开(公告)号:US06344275B2

    公开(公告)日:2002-02-05

    申请号:US09853677

    申请日:2001-05-14

    IPC分类号: B32B1504

    摘要: To present a material for stamper free from deterioration of stamper quality due to reaction with an electron-attracting radical contained in the resist material. An electrode formed on the surface of a patterned resist film 2 for electrocasting a stamper material is formed of a nickel alloy thin film 3 comprising Ni element as a principal component, and Ru element added in a range of less than 25 percent by weight.

    摘要翻译: 提供抗压材料中包含的吸电子基团的反应而使压模的材料不会损坏压模质量。 在用于电铸压模材料的图案化抗蚀剂膜2的表面上形成的电极由包含Ni元素作为主要成分的镍合金薄膜3和以小于25重量%的范围添加的Ru元素形成。

    Information recording medium and method for recording information thereon
    60.
    发明授权
    Information recording medium and method for recording information thereon 失效
    信息记录介质及其上记录信息的方法

    公开(公告)号:US06307826B1

    公开(公告)日:2001-10-23

    申请号:US09583922

    申请日:2000-05-31

    IPC分类号: G11B700

    CPC分类号: G11B7/261 G11B7/24

    摘要: An information recording medium using a substrate having light transmittancy permitting high density recording to be achieved and a recording method permitting such an information recording medium using a substrate having light transmittancy to be recorded in a high density are provided. The information recording medium is formed by layering an ITO film and EB resist on a transparent insulating substrate formed of a glass material having light transmittancy. At the time of recording information, as the ITO film is set at a ground potential, an electron beam having recording information is irradiated upon a surface of the EB resist for a prescribed scanning to perform electron beam exposure, and pits corresponding to the information to be recorded are formed at the exposed positions.

    摘要翻译: 提供了使用具有允许高密度记录的透光性的基板的信息记录介质,以及允许使用具有透光性的基板以高密度记录的这种信息记录介质的记录方法。 信息记录介质通过在由具有透光性的玻璃材料形成的透明绝缘基板上分层ITO膜和EB抗蚀剂而形成。 在记录信息时,当ITO膜被设置在接地电位时,具有记录信息的电子束被照射在EB抗蚀剂的表面上进行规定的扫描以进行电子束曝光,并将与该信息对应的凹坑 被记录在暴露位置。