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    • 14. 发明专利
    • Light emitting device and manufacturing method thereof
    • 发光装置及其制造方法
    • JP2010141354A
    • 2010-06-24
    • JP2010050510
    • 2010-03-08
    • Toshiba Corp株式会社東芝
    • KANEKO KATSURASHINODA NAOMIYAMAMOTO MASAHIROHATTORI YASUSHI
    • H01L33/50C09K11/59C09K11/80C09K11/84
    • H01L2224/48091H01L2224/8592H01L2924/3025H01L2924/00014H01L2924/00
    • PROBLEM TO BE SOLVED: To provide a light emitting device which emits homogeneous light with a high output.
      SOLUTION: A light emitting device comprises a container (1), a light emission chip (2) disposed on the bottom of the container, and a phosphor layer (3) formed having a thickness of not smaller than 80 μm and not larger than 240 μm on the top face of the light emission chip. The phosphor layer is composed of a resin wherein phosphor particles having grain sizes of not smaller than 20 μm and not larger than 45 μm is dispersed at the concentration of not smaller than 40 wt.% and notlar than 60 wt.% and has unevenness reflecting shapes of the phosphor particles on the surface. The phosphor particles contain at least one kind selected from among a group composed of a yttrium aluminum garnet oxide phosphor, an alkaline-earth metal silicate based phosphor, a nitride based phosphor, an alkaline-earth silicon nitride based phosphor, a rare-earth oxychalcogenide based phosphor, an alkaline-earth silicon oxynitride based phosphor, and an alkaline-earth magnesium silicate based phosphor.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供以高输出发出均匀的光的发光装置。 解决方案:发光器件包括容器(1),设置在容器底部的发光芯片(2)和形成有不小于80μm的厚度的荧光体层(3) 在发光芯片的顶面大于240μm。 荧光体层由树脂构成,其中粒径不小于20μm且不大于45μm的荧光体颗粒以不小于40重量%并且不超过60重量%的浓度分散并具有不均匀反射 表面上的荧光体颗粒的形状。 荧光体粒子含有选自由钇铝石榴石氧化物荧光体,碱土金属硅酸盐系荧光体,氮化物系荧光体,碱土金属氮化物系荧光体,稀土类氧化硫化物 碱土金属氮氧化物基荧光体和碱土金属硅酸镁系荧光体。 版权所有(C)2010,JPO&INPIT
    • 16. 发明专利
    • Method for forming resist pattern
    • 形成电阻图案的方法
    • JP2004199084A
    • 2004-07-15
    • JP2004036944
    • 2004-02-13
    • Toshiba Corp株式会社東芝
    • OKINO TAKASHIASAKAWA KOUJISHINODA NAOMIGOKOCHI TORUNAKASE MAKOTO
    • G03F7/039G03F7/20G03F7/26H01L21/027
    • PROBLEM TO BE SOLVED: To provide a practical method for forming a resist pattern by a PCM (portable comfortable mask) method which can be carried out with electron beams and which uses a specified material as an upper layer material having a high absorption wavelength range to be able to give a mask at the time of exposure of a lower layer and hardly producing a mixing region with the lower layer film. SOLUTION: The method includes processes of: forming a lower layer photosensitive material film on a substrate; forming an upper layer photosensitive material film containing a substituted or unsubstituted benzene ring or polycyclic condensed aromatic ring or alicyclic skeleton on the lower layer photosensitive material film; exposing a specified region of the upper layer photosensitive material film to electron beams; dissolving and removing the exposed part or the unexposed part of the upper layer photosensitive material film after exposure with an alkali aqueous solution to develop; and irradiating the entire region with the light of 190 to 260 nm wavelengths while using the upper layer photosensitive material film pattern obtained by the above developing process as a mask, and developing to selectively dissolve and remove the exposed part to transfer the pattern of the upper layer photosensitive material film to the lower layer photosensitive material film. COPYRIGHT: (C)2004,JPO&NCIPI
    • 要解决的问题:提供一种通过PCM(便携式舒适掩模)方法形成抗蚀剂图案的实用方法,该方法可以用电子束进行,并且使用特定材料作为具有高吸收性的上层材料 波长范围能够在下层曝光时产生掩模,并且几乎不产生与下层膜的混合区域。 解决方案:该方法包括以下步骤:在基板上形成下层感光材料膜; 在下层感光材料膜上形成含有取代或未取代的苯环或多环稠合芳环或脂环骨架的上层感光材料膜; 将上层感光材料膜的指定区域暴露于电子束; 在用碱性水溶液曝光后溶解和除去上层感光材料膜的暴露部分或未曝光部分以形成; 并用190-260nm波长的光照射整个区域,同时使用通过上述显影过程获得的上层感光材料膜图案作为掩模,并显影以选择性地溶解和去除暴露部分以转移上部图案的图案 层感光材料膜到下层感光材料膜。 版权所有(C)2004,JPO&NCIPI