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    • 8. 发明申请
    • Telephone system
    • 电话系统
    • US20080101560A1
    • 2008-05-01
    • US11907185
    • 2007-10-10
    • Satoshi Nishiyama
    • Satoshi Nishiyama
    • H04M1/64
    • H04L51/043H04M3/42374H04M3/5307H04M7/006
    • According to one embodiment, a telephone system includes a plurality of terminal devices which are connected to a packet communication network to realize voice calls with one another via the communication network, an attribute management function which manages attribute information for each user of the terminal devices, a message processing database which associates storage aspects of message information from a calling source user to incoming call destination users to each attribute possible to be owned by the incoming call destination users and stores them in a form of a database, and a message storage control unit which stores the message information to the incoming call destination users in aspects corresponding to the attribute information of the incoming call destination users to be managed by the attribute management function on the basis of content of the message processing database.
    • 根据一个实施例,电话系统包括连接到分组通信网络的多个终端设备,以经由通信网络彼此实现语音呼叫;属性管理功能,其管理终端设备的每个用户的属性信息; 消息处理数据库,其将来自主叫用户的消息信息的存储方面与来话呼叫目的地用户相关联,以便可能由来话呼叫目的地用户拥有的每个属性,并将其存储为数据库的形式;以及消息存储控制单元 其基于消息处理数据库的内容,将消息信息存储到与呼入目的用户的属性信息对应的方面对来自呼入目的用户的属性管理功能进行管理。
    • 10. 发明授权
    • Black sintered body of aluminum nitride and process for producing the
same
    • 黑色氮化铝烧结体及其制造方法
    • US4843038A
    • 1989-06-27
    • US118192
    • 1987-11-06
    • Shusei KurataniKohichi UnoShinya MizunoHisashi SakuramotoSatoshi Nishiyama
    • Shusei KurataniKohichi UnoShinya MizunoHisashi SakuramotoSatoshi Nishiyama
    • C04B35/581
    • C04B35/581
    • Black sintered bodies of aluminum nitride are produced by adding a sintering aid selected from the group consisting of (a) an oxide mixture of calcium oxide and at least one of tungsten oxide and molybdenum oxide, (b) an oxide containing calcium and at least one of tungsten and molybdenum and (c) a mixture of compounds capable of being converted into said oxide mixture (a) or said oxide (b) by sintering to aluminum nitride so that the resulting composition consists essentially of 0.1 to 20 wt. % in the total amount (calculated as oxides of Ca, W and Mo) of the sintering aid and balance aluminum nitride, molding the composition and sintering the molded composition at relatively low temperature. The black sintered bodies thus obtained are especially useful as materials for insulating substrate, heat sink and packaging for semiconductor device due to their high density, good thermal conductivity and superior light-shielding ability.
    • 通过添加选自(a)氧化钙和氧化钨和氧化钼中的至少一种的氧化物混合物的烧结助剂来制备氮化铝的黑色烧结体,(b)含钙的氧化物和至少一种 的钨和钼,和(c)通过烧结到氮化铝,能够转化为所述氧化物混合物(a)或所述氧化物(b)的化合物的混合物,使得所得组合物基本上由0.1至20重量% 总量(以Ca,W和Mo的氧化物计算)和余量为氮化铝的%(%),模塑该组合物并在相对较低的温度下烧结该组合物。 这样获得的黑色烧结体由于其高密度,良好的导热性和优异的遮光能力而特别适用于半导体器件绝缘基板,散热器和封装材料。