公开(公告)号：JP2011164230A

公开(公告)日：2011-08-25

申请号：JP2010024864

申请日：2010-02-05

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： WADA OSAMU ,  KAMOTO TAKANORI ,  YAMANAKA TAKAYUKI ,  IWAMATSU TADASHI

IPC: G03G9/113

Abstract: PROBLEM TO BE SOLVED: To provide a resin coated carrier achieving a long life of the carrier and low power consumption by decrease in an agitation torque and capable of stably charging toner even when the number of sheets for printing increases, and to provide a method for producing the resin coated carrier, and a two-component developer containing the resin coated carrier. SOLUTION: The resin coated carrier comprises a carrier core material, a resin coating layer formed on the surface of the carrier core material, and nitrogen-containing crosslinked resin fine particles. The carrier core material comprises a porous material having pores on the surface and has an apparent density of 1.6 g/cm 3 or more and 2.0 g/cm 3 or less. The nitrogen-containing crosslinked resin fine particles satisfy expression (1):(Db+0.3 μm)≥Da>Db, wherein Da (μm) represents the volume average particle diameter of the fine particles and Db (μm) represents the area average diameter of the pores. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：为了提供一种树脂涂布载体，通过降低搅拌转矩实现寿命长，并且即使当打印纸张数增加时也能够稳定地对调色剂进行充电，并且提供 树脂涂布载体的制造方法和含有树脂被覆载体的双组分显影剂。 解决方案：树脂涂布载体包括载体芯材料，形成在载体芯材表面上的树脂涂层和含氮交联树脂细颗粒。 载体芯材料包括在表面上具有孔的多孔材料，其表观密度为1.6g / cm 3以上且2.0g / cm 3以上，SP 3以下。 含氮交联树脂微粒满足表达式（1）:( Db +0.3μm）≥Da> Db，其中Da（μm）表示微粒的体积平均粒径，Db（μm）表示面积平均直径 的毛孔。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011034012A

公开(公告)日：2011-02-17

申请号：JP2009182904

申请日：2009-08-05

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： WADA OSAMU ,  IWAMATSU TADASHI ,  KAMOTO TAKANORI ,  YAMANAKA TAKAYUKI

IPC: G03G9/113

Abstract: PROBLEM TO BE SOLVED: To provide a resin-coated carrier which prevents its resin-coated layer formed on a surface of a carrier core material from being inconsistent in thickness to stably electrify a toner.
SOLUTION: The resin-coated carrier 50 has the carrier core material 51 and the resin-coated layer 52 formed on the surface of the carrier core material 51. The carrier core material 51 is composed of a porous material in which surface pores 51a are formed, and its apparent density is 1.6 g/cm
3 or larger and 2.0 g/cm
3 or smaller. The resin-coated layer 52 is a layer; which is formed by a spray coating method and includes 1 pt.wt. or more and 5 pts.wt. or less of resin per 100 pts.wt. of the carrier core material 51; and contains crosslinked type resin microparticles 53. Then, the resin-coated carrier 50 is composed so that a volume average particle diameter of the crosslinked type resin microparticles 53 contained in the resin-coated layer 52 and an area average diameter of the surface pores 51a may satisfy a prescribed relational expression.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种树脂涂覆的载体，其防止其形成在载体芯材表面上的树脂涂层的厚度不一致以稳定地带电调色剂。 解决方案：树脂被覆载体50具有载体芯材51和形成在载体芯材51的表面上的树脂涂层52.载体芯材51由多孔材料构成，其中表面孔 51a形成，其表观密度为1.6g / cm 3以上且2.0g / cm 3以上。 树脂涂层52是层; 其通过喷涂法形成，并且包括1重量份 或更多和5磅 或更少的树脂/ 100重量份 的载体芯材51; 并且含有交联型树脂微粒53.然后，树脂被覆载体50构成为使树脂被覆层52中所含的交联型树脂微粒53的体积平均粒径和表面孔51a的面积平均直径 可以满足规定的关系表达式。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2011003521A

公开(公告)日：2011-01-06

申请号：JP2009213572

申请日：2009-09-15

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： IMURA YASURO ,  HIRAKAWA HIROYUKI ,  NAGAOKA AYAE ,  IWAMATSU TADASHI ,  HIRATA KANAKO

IPC: H01J1/312 ,  B01J19/08 ,  G21K1/00 ,  G21K5/04 ,  H01J9/02 ,  H01J31/12 ,  H01J63/06

CPC classification number: G03G15/02 ,  B82Y10/00 ,  G02F1/133602 ,  G02F2001/133625 ,  H01J1/312 ,  H01J31/127 ,  H01J63/06 ,  H01J2201/3125 ,  H01J2329/0484

Abstract: PROBLEM TO BE SOLVED: To provide an electron emitting element which hardly generates insulation breakdown and is produced easily at low cost and emits stably a suitable amount of electrons.SOLUTION: The electron emitting element 1 includes insulator fine particles 5 between an electrode base board 2 and a thin-film electrode 3, and has an electron acceleration layer 4 excluding conductive fine particles. The electron emitting element 1 emits an electron from the thin-film electrode 3 by accelerating the electron in the electron acceleration layer 4 when applying voltage between the electrode base board 2 and the thin-film electrode 3.

Abstract translation: 要解决的问题：提供几乎不产生绝缘击穿的电子发射元件，并且以低成本容易地制造并且稳定地发射适量的电子。解决方案：电子发射元件1包括在电极基板2之间的绝缘体微粒5 和薄膜电极3，并且具有不包括导电性微粒的电子加速层4。 当在电极基板2和薄膜电极3之间施加电压时，电子发射元件1通过加速电子加速层4中的电子而从薄膜电极3发射电子。

公开(公告)号：JP2010272257A

公开(公告)日：2010-12-02

申请号：JP2009121457

申请日：2009-05-19

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： HIRAKAWA HIROYUKI ,  IMURA YASURO ,  NAGAOKA AYAE ,  IWAMATSU TADASHI

IPC: H05B33/14

CPC classification number: H05B33/0896

Abstract: PROBLEM TO BE SOLVED: To provide a new light-emitting element capable of being made of an inexpensive silicon material in a simple manufacturing method and performing efficient light emission, and its manufacturing method.
SOLUTION: The self-light-emitting element 1 has an electrode substrate 2, a thin-film electrode 3, and an electron acceleration layer 4 sandwiched between the electrode substrate 2 and the thin-film electrode 3 and including silicon fine particles 5 and at least either conductive fine particles 6 or basic dispersants 60. The self-light-emitting element 1 creates hot electron by accelerating electron in the electron acceleration layer 4 when voltage is impressed between the electrode substrate 2 and the thin-film electrode 3, and surfaces of the silicon fine particles 5 in the electron acceleration layer 4 are excited by the hot electron to emit light.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够以简单的制造方法制造廉价的硅材料并进行有效的发光的新的发光元件及其制造方法。 解决方案：自发光元件1具有夹在电极基板2和薄膜电极3之间的电极基板2，薄膜电极3和电子加速层4，并且包含硅微粒 5和至少导电微粒子6或碱性分散剂60.自发光元件1通过在电极基片2和薄膜电极3之间施加电压时加速电子加速层4中的电子产生热电子 ，并且电子加速层4中的硅微粒5的表面被热电子激发以发光。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010267491A

公开(公告)日：2010-11-25

申请号：JP2009117863

申请日：2009-05-14

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： IMURA YASURO ,  HIRAKAWA HIROYUKI ,  NAGAOKA AYAE ,  IWAMATSU TADASHI

IPC: H01J9/02 ,  B01J19/12 ,  G03G15/02 ,  H01J1/312 ,  H01J31/12 ,  H01J63/06

Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing an electron emitter, capable of providing a stable and satisfactory electron emission quantity by forming a uniform electron acceleration layer free from an aggregate of insulator fine particles or an aggregate of conductive fine particles. SOLUTION: A step of forming the electron acceleration layer 4 of the electron emitter 1 includes a fine particle layer forming step of applying a dispersant in which insulator fine particles 5 are dispersed to form a fine particle layer including the insulator fine particles 5; and a conductive fine particle application step of applying to the formed fine particle layer a dispersant of conductive fine particles 6 smaller in average particle size than the insulator fine particles 5. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种制造电子发射器的方法，其能够通过形成不含绝缘体细颗粒的聚集体或导电细颗粒的聚集体的均匀的电子加速层来提供稳定和令人满意的电子发射量 。 解决方案：形成电子发射体1的电子加速层4的步骤包括：微粒层形成步骤，施加分散剂，其中分散绝缘体细颗粒5以形成包含绝缘体细颗粒5的细颗粒层 ; 以及导电微粒施加步骤，向形成的微粒层施加平均粒径小于绝缘体微粒5的导电性微粒6的分散剂。（C）2011，JPO＆INPIT

公开(公告)号：JP2010230940A

公开(公告)日：2010-10-14

申请号：JP2009077764

申请日：2009-03-26

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： WADA OSAMU ,  IWAMATSU TADASHI ,  KAMOTO TAKANORI ,  YOSHIOKA NOBUYUKI

IPC: G03G9/113

Abstract: PROBLEM TO BE SOLVED: To provide: a resin-coated carrier dry-coated with a resin coating layer comprising acrylic-modified silicone resin particles, the carrier being prevented from aggregation of carrier particles during production and having excellent stability in toner charging ability for a long period of time; a two-component developer containing the resin-coated carrier; a developing device and an image forming apparatus which use the two-component developer; and a method for producing the resin-coated carrier. SOLUTION: The resin coated carrier has a resin coating layer formed on a carrier core material surface. The resin coating layer is formed in a dry system by using the acrylic-modified silicone resin particles and contains 11 to 32% silicone component based on a total weight of resin included in the resin coating layer. The two-component developer including this resin-coated carrier is filled in a developing device in the image forming apparatus to form an image. COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供：用包含丙烯酸改性的有机硅树脂颗粒的树脂涂层干涂覆的树脂涂布载体，防止载体在生产过程中聚集，并且在调色剂充电中具有优异的稳定性 能力很长一段时间; 含有树脂被覆载体的双组分显影剂; 使用双组分显影剂的显影装置和图像形成装置; 以及树脂被覆载体的制造方法。

解决方案：树脂涂覆的载体具有形成在载体芯材表面上的树脂涂层。 树脂涂层通过使用丙烯酸改性的有机硅树脂颗粒在干燥体系中形成，并且包含基于树脂涂层中包含的树脂的总重量的11至32％的硅氧烷组分。 将包含该树脂涂布载体的双组分显影剂填充在图像形成装置中的显影装置中以形成图像。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010198850A

公开(公告)日：2010-09-09

申请号：JP2009041150

申请日：2009-02-24

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： NAGAOKA AYAE ,  IWAMATSU TADASHI ,  HIRAKAWA HIROYUKI ,  IMURA YASURO

IPC: H01J1/312 ,  B01J19/12 ,  G21K1/00 ,  G21K5/04 ,  H01J7/24 ,  H01J9/02 ,  H01J19/24 ,  H01J31/12

Abstract: PROBLEM TO BE SOLVED: To provide an electron emission element which can restrain deterioration of an electron acceleration layer and effectively enables stable electron emission at atmospheric pressure as well as in a vacuum and is formed by raising mechanical strength. SOLUTION: The electron emission element 1 has the electron acceleration layer 4 between an electrode substrate 2 and a thin-film electrode 3. The electron acceleration layer 4 includes binder resin 15 wherein insulator fine particles 5 and conductive fine particles 6 are dispersed. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种可以抑制电子加速层的劣化的电子发射元件，并且有效地在大气压力和真空中实现稳定的电子发射，并且通过提高机械强度而形成。 解决方案：电子发射元件1在电极基板2和薄膜电极3之间具有电子加速层4.电子加速层4包括粘合剂树脂15，其中绝缘体细颗粒5和导电细颗粒6分散 。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2010128463A

公开(公告)日：2010-06-10

申请号：JP2008306431

申请日：2008-12-01

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： NAGAOKA AYAE ,  IWAMATSU TADASHI ,  HIRAKAWA HIROYUKI ,  IMURA YASURO

IPC: G03G15/16 ,  G03G15/20 ,  G03G15/24 ,  G03G21/20

Abstract: PROBLEM TO BE SOLVED: To provide a cooling device which is used in a transfer and fixing integral type image forming apparatus, completely cools an endless belt heated when transferring and fixing an image in a space saving and ozone-less state, more effectively prevents deterioration in an image recording part by heat than in the conventional manner, and prevents deterioration in a transfer belt. SOLUTION: An electron emission device 31 that is the belt cooling device includes: an electron emission element 30; a first power supply V1 applying voltage between an electrode substrate 301 and a thin film electrode 302 so as to accelerate electron in an electron acceleration layer 303 of the electron emission element 30 and emit the electron from the thin film electrode 302; and a second power supply V2 applying voltage between the thin film electrode 302 and an intermediate transfer belt 21. The thin film electrode 302 is arranged to be opposed to the intermediate transfer belt 21, and the electron acceleration layer 303 contains metal particulates having high anti-oxidant power and insulation particulates larger in size than the metal particulates. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了提供一种用于传送和固定一体型成像设备的冷却装置，在节省空间和无臭氧状态下传送和固定图像时，完全冷却加热的环形带 通过热量有效地防止图像记录部件比常规方式的劣化，并且防止转印带的劣化。 解决方案：作为带式冷却装置的电子发射装置31包括：电子发射元件30; 第一电源V1在电极基板301和薄膜电极302之间施加电压，以加速电子发射元件30的电子加速层303中的电子，并从薄膜电极302发射电子; 以及在薄膜电极302和中间转印带21之间施加电压的第二电源V2。薄膜电极302被布置成与中间转印带21相对，并且电子加速层303包含具有高抗反射性的金属微粒 氧化剂和绝缘颗粒的尺寸大于金属颗粒。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009276532A

公开(公告)日：2009-11-26

申请号：JP2008127303

申请日：2008-05-14

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： HARA TAKASHI ,  IWAMATSU TADASHI ,  YOSHIOKA NOBUYUKI ,  MUTO YOSHINORI ,  HIRAKAWA HIROYUKI ,  KAMOTO TAKANORI ,  WADA OSAMU

IPC: G03G9/113 ,  G03G9/08 ,  G03G15/08

Abstract: PROBLEM TO BE SOLVED: To achieve carrier for two-component developer, stably maintaining charging quantity of toner, having a coating layer of carrier favorably coated, and outputting a high image quality image without image defect such as adhesion of carrier over a long period of time. SOLUTION: In the coating layer 2b of a carrier core material 2a surface of the carrier 2, binder resin containing at least one of silicone resin and its denatured resin includes: an amino silane coupling agent; a hardening catalyst, which is an organic metal compound for controlling the hardening speed of the binder resin; a negative charge control agent, which is a negatively charged salt compound to the carrier core material 2a surface or the coating layer 2b; and conductive particles. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了实现双组分显影剂的载体，稳定地保持具有载体的涂层的调色剂的充电量，并且输出高图像质量的图像，没有图像缺陷，例如载体粘附在 很长一段时间 解决方案：在载体芯材2a的载体2的表面的涂层2b中，含有硅树脂及其变性树脂中的至少一种的粘合剂树脂包括：氨基硅烷偶联剂; 硬化催化剂，其是用于控制粘合剂树脂的硬化速度的有机金属化合物; 负载电荷控制剂，其为载体芯材2a表面或涂层2b的带负电荷的盐化合物; 和导电粒子。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2009276472A

公开(公告)日：2009-11-26

申请号：JP2008126371

申请日：2008-05-13

Applicant: Sharp Corp ,  シャープ株式会社

Inventor： HARA TAKASHI ,  IWAMATSU TADASHI ,  YOSHIOKA NOBUYUKI ,  HIRAKAWA HIROYUKI ,  MUTO YOSHINORI ,  KAMOTO TAKANORI ,  WADA OSAMU

IPC: G03G9/113 ,  G03G9/08 ,  G03G9/10

Abstract: PROBLEM TO BE SOLVED: To provide carrier, restraining adhesion of carrier, and preventing worsening of flowability of a developer to maintain image formation with high image quality over a long period of time. SOLUTION: This carrier 1 is carrier 1 having a coating layer 3 on the surface of a core material 2. The coating layer 3 is formed of silicone resin including acrylic denatured silicone resin, and a shape factor (SF-1) of the core material 2 is 110-135, so that image formation with high image quality can be maintained over a long period of time. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了提供载体，抑制载体的粘附性，并且防止显影剂的流动性的恶化以长时间保持具有高图像质量的图像形成。 解决方案：载体1是在芯材2的表面上具有涂层3的载体1.涂层3由包含丙烯酸改性的有机硅树脂的硅树脂和形状因子（SF-1）形成， 芯材2为110-135，可以长时间维持高图像质量的图像形成。 版权所有（C）2010，JPO＆INPIT