Abstract:
A two-component developer is provided. The two-component developer includes a toner containing a binder resin, a colorant and a release agent, and a resin-coated carrier composed of a carrier core material and a resin coating layer formed on a surface of the carrier core material. The toner has an exposure rate of the release agent on the toner surface of 1.00% or above and 3.07% or below. The carrier core material has an apparent density of 1.86 g/cm3 or more and 2.45 g/cm3 or less. The exposure rate of the release agent of the toner and the apparent density of the carrier core material satisfy the following formula (1): y≦−1.54x+5.93 (1) wherein y represents the exposure rate of the release agent of the toner, and x represents the apparent density of the carrier core material.
Abstract translation:提供了双组分开发。 双组分显影剂包括含有粘合剂树脂,着色剂和脱模剂的调色剂和由载体芯材和形成在载体芯材的表面上的树脂涂层构成的树脂涂布载体。 调色剂的调色剂表面的脱模剂的曝光率为1.00%以上且3.07%以下。 载体芯材的表观密度为1.86g / cm 3以上且2.45g / cm 3以下。 调色剂的脱模剂的曝光率和载体芯材的表观密度满足下式(1):y≦̸ -1.54x + 5.93(1)其中y表示调色剂的脱模剂的曝光率 ,x表示载体芯材的表观密度。
Abstract:
A method for producing a low density resin-coated carrier having a small resin amount to a carrier core material and having a uniform resin coating layer formed on the carrier core material is provided. A resin-coated carrier has a carrier core material and a resin coating layer formed on the surface of the carrier core material. The carrier core material has pores and an apparent density of 1.6 g/cm3 to 2.0 g/cm3 and a remanent magnetization of 10 emu/g of less. The resin coating layer is formed by a dry process of adhering resin particles to a surface of the carrier core material and applying heat and impact force to the resin particles. A volume average particle size of the resin particles is less than 1 μm. A two-component developer containing the resin-coated carrier is charged in a developing device in an image forming apparatus, and an image is formed.
Abstract translation:提供了一种制造具有对载体芯材料具有小树脂量并且在载体芯材上形成均匀的树脂涂层的低密度树脂涂覆载体的方法。 树脂被覆载体具有载体芯材和在载体芯材的表面上形成的树脂被覆层。 载体芯材料具有孔隙,表观密度为1.6g / cm 3至2.0g / cm 3,剩余磁化强度为10emu / g以下。 树脂涂层通过将树脂颗粒粘附到载体芯材的表面并对树脂颗粒施加热和冲击力的干法来形成。 树脂粒子的体积平均粒径小于1μm。 将包含树脂涂布载体的双组分显影剂装入图像形成装置的显影装置中,形成图像。
Abstract:
A spectacle lens includes a first region which is located in at least part of a portion of a lens where a pivotal angle of an eyeball of a wearer ranges from 20 to 60 degrees and in which correcting astigmatism has priority over correcting average power based on prescribed power, and a second region which is formed inside the first region and in which correcting the average power has priority over correcting the astigmatism.
Abstract:
A vision shift amount measuring method includes: forming a reference mark indicating a distance eye point on a surface of a spectacle lens attached to a spectacle frame practically worn by a wearer, and forming a plurality of opaque lines in an area expected to contain a shifted vision on the surface of the spectacle lens with a predetermined space between the adjoining lines; and allowing the wearer wearing the spectacle frame to select the line closest to a position through which the vision passes from the plural formed lines.
Abstract:
The color display device includes a colored light generation unit for repetitively generating a plurality of colored lights in a time sequence with a predetermined frequency, and an image generation unit for processing said plurality of colored lights, so as to generate an image corresponding to each of the plurality of colored lights generated in a time sequence. The said predetermined frequency is 180 Hz or more.
Abstract:
A progressive-power spectacle lens design method, the progressive-power spectacle lens including a distance portion, a near portion, and a progressive portion provided between the distance portion and the near portion, the method comprising: decreasing a distance along a principal meridian from a fitting point to a progression start point and increasing a length of a progressive corridor defined by the progression start point and a progression end point when addition power is large, whereas increasing the distance along the principal meridian from the fitting point to the progression start point and decreasing the length of the progressive corridor when the addition power is small, wherein the distance from the fitting point to the progression end point is fixed irrespective of the addition power.
Abstract:
An apparatus for measuring a downward rotation amount of eyeball that measures a length from a distance-vision eye point to a near-vision eye point of a spectacle lens actually worn by a wearer and attached to a frame having an upper side portion and a lower side portion, includes: a line-of-sight position detecting unit that detects a position of a line of sight corresponding to the distance-vision eye point of the wearer and a position of a line of sight corresponding to the near-vision eye point; and a computing unit that computes a distance between the position of the distance-vision eye point and the position of the near-vision eye point detected by the line-of-sight position detecting unit, wherein the line-of-sight position detecting unit has an arm member that is rotatable at one end and positioned at a lateral position of an eyeball of the wearer, a front detecting mechanism that is disposed on the other end side of the arm member and detects a front position of the eyeball of the wearer, and an arm rotation angle detecting unit that detects a rotation angle of the arm member.
Abstract:
A nonvolatile semiconductor memory device has a drawing wiring drawn out from one end of a gate electrode and connected to a terminal, and has another drawing wiring drawn out from the other end of the gate electrode and connected to a terminal. Lengths of the two drawing wirings are set different from each other.
Abstract:
A semiconductor device includes a first terminal, a second terminal, and a fuse link that connects between the first terminal and the second terminal. The first terminal and the fuse link have a polysilicon layer doped with an impurity ion and a layer containing a metal element laminated on the polysilicon layer. The second terminal has a polysilicon layer not doped with an impurity ion and a layer containing a metal element laminated on the polysilicon layer, in at least a part of an end side connected to the fuse link.
Abstract:
A resin-coated carrier is provided. A resin-coated carrier includes a carrier core and a resin coating layer formed on a surface of the carrier core. The carrier core is composed of a porous material having surface fine pores formed on a surface thereof, and has an apparent density of 1.6 to 2.0 g/cm3. The resin coating layer contains cross-linked fine resin particles. Additionally, the resin-coated carrier is configured such that a volume average particle size of the cross-linked fine resin particles contained in the resin coating layer and an area average diameter of the surface fine pores satisfy a predetermined relational expression.
Abstract translation:提供树脂涂层载体。 树脂涂布载体包括载体芯和形成在载体芯的表面上的树脂涂层。 载体芯由具有在其表面形成的表面细孔的多孔材料构成,表观密度为1.6〜2.0g / cm 3。 树脂涂层含有交联的细树脂颗粒。 另外,树脂被覆载体被构造成使得包含在树脂被覆层中的交联的微粒树脂颗粒的体积平均粒径和表面细孔的面积平均直径满足预定的关系式。