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    • 2. 发明授权
    • Colored ceramic composition
    • 彩色陶瓷组合物
    • US5817586A
    • 1998-10-06
    • US837334
    • 1997-04-11
    • Kazuo HaradaHiroshi UsuiTsuneo Manabe
    • Kazuo HaradaHiroshi UsuiTsuneo Manabe
    • C03C8/04C03C8/14
    • C03C8/04C03C8/14
    • A colored ceramic composition comprising, as inorganic components, from 5 to 40 wt % of a colored heat resistant pigment powder, from 60 to 95 wt % of a powder of zinc-containing glass and from 0 to 10 wt % of a refractory filler powder, wherein said glass consists essentially of the following components: ______________________________________ SiO.sub.2 30 to 60 wt % ZnO 8 to 60 wt % B.sub.2 O.sub.3 0 to 5 wt % Li.sub.2 O 0 to 20 wt % Na.sub.2 O 0 to 20 wt % K.sub.2 O 0 to 20 wt % Li.sub.2 O + Na.sub.2 O + K.sub.2 O 0.1 to 20 wt % MgO + CaO + SrO + BaO 0 to 20 wt % Bi.sub.2 O.sub.3 0 to 40 wt % TiO.sub.2 0 to 10 wt % F 0 to 5 wt %. ______________________________________
    • 作为无机成分的着色陶瓷组合物,含有5〜40重量%的有色耐热颜料粉末,60〜95重量%的含锌玻璃粉末和0〜10重量%耐火填料粉末 ,其中所述玻璃基本上由以下组分组成:SiO 2 30至60重量%ZnO 8至60重量%-B 2 O 3 0至5重量%Li 2 O 0至20重量%Na 2 O 0至20重量%K 2 O至 20重量%Li 2 O + Na 2 O + K 2 O 0.1〜20重量%-MgO + CaO + SrO + BaO 0〜20重量%-Bi 2 O 3 0〜40重量%-TiO 2 0〜10重量%-F 0〜5重量%。 -
    • 3. 发明授权
    • Method for producing a magnetic disk
    • 磁盘制造方法
    • US5738906A
    • 1998-04-14
    • US624801
    • 1996-03-27
    • Toru MomoseTsuneo ManabeYuzo MurayamaYoshizumi Hideshima
    • Toru MomoseTsuneo ManabeYuzo MurayamaYoshizumi Hideshima
    • G11B5/64G11B5/84B05D5/12
    • G11B5/64G11B5/8404
    • A method for producing a magnetic disk having a surface roughness in the entire portion of its main surface in which the peak height of the surface roughness in a data zone of the magnetic disk is lower than the peak height of the surface roughness in a CSS zone of the magnetic disk, wherein forming a magnetic disk substrate having the main surface in which a surface roughness having a substantially uniform peak height is formed in the substantially entire portion of the main surface; conducting varnishing only to the data zone in the main surface of the substrate having the surface roughness to lower the peak height of the surface roughness of the data zone; and forming a ferromagnetic layer, a protective layer and a lubricant layer sequentially on a region of the main surface of the substrate, which includes the data zone and the CSS zone.
    • 一种在其主表面的整个部分中具有表面粗糙度的磁盘的制造方法,其中磁盘的数据区域中的表面粗糙度的峰值高度低于CSS区域中的表面粗糙度的峰值高度 其特征在于,在所述主面的大致整个部分形成具有主表面的磁盘基板,所述主表面具有基本上均匀的峰高的表面粗糙度; 仅对具有表面粗糙度的基板的主表面中的数据区进行上光,以降低数据区的表面粗糙度的峰高; 以及在包括数据区和CSS区的基板的主表面的区域上依次形成铁磁层,保护层和润滑层。