Abstract: To obtain a toner which has excellent charge rise and stability, tends to have a sharp charge distribution, has excellent pigment dispersion properties, exhibits no disarray in an image even during a high-speed copying operation, and can stably output high-resolution images. A toner comprising toner particle containing a binder resin, a colorant, resin PA, and resin PB, wherein the resin PA has unit A represented by Formula (1), the resin PB has unit B represented by Formula (2), a content “a” of the unit A in the toner particle is 2.00 ?mol/g or more, and a molar ratio b/a of the content “a” and a content “b” of the unit B in the toner particle is 0.10 or more and 10.00 or less.

Abstract: A surface treatment method of oil contaminated xerographic prints which increases the surface energy of the print to levels close to the values corresponding to the original uncontaminated paper. Subjecting the contaminated surface to both ultraviolet (UV) radiation and ozone can change the chemical structure of the surface of the paper in such a way that a highly polar surface is created as a consequence of this treatment, leading to enhanced adhesion properties of the xerographic print.

Abstract: A surface treatment method of oil contaminated xerographic prints which increases the surface energy of the print to levels close to the values corresponding to the original uncontaminated paper. Subjecting the contaminated surface to both ultraviolet (UV) radiation and ozone can change the chemical structure of the surface of the paper in such a way that a highly polar surface is created as a consequence of this treatment, leading to enhanced adhesion properties of the xerographic print.

Abstract: A production process of a light emitting device capable of easily forming a fixed shape insulator layer irrespective of the quality of the material of a substrate is provided. The process of the present invention includes a process of forming an insulator layer by an electrophotography method, in the production process of a light emitting device equipped with a substrate, light emitting layers formed on the substrate, and an insulator layer mutually partitioning the light emitting layers.

Abstract: An image forming apparatus of the present invention includes a particle conveying body made up of a light-transmitting conductive layer, an insulative'screen provided on the conductive layer and formed with a number of pores, and a screen electrode formed on the screen. Photoconductive, colored particles are charged to negative polarity and then caused to fill the pores by an electric field. When the particles in the pores are exposed via the conductive layer, electron-hole pairs are generated in the particles. An electric field of as high as 104 V/cm or above is formed between the conductive layer and the screen electrode and separates the electrons and holes. The electrons leak to the conductive layer and cause the particles to be charged to positive polarity. An electric field formed between a facing electrode positioned behind a recording medium and the conductive layer causes the particles to fly toward and deposit on the medium.

Abstract: An imaging apparatus including

Abstract: An image forming apparatus of the present invention includes a particle conveying body made up of a light-transmitting conductive layer, an insulative screen provided on the conductive layer and formed with a number of pores, and a screen electrode formed on the screen. Photoconductive, colored particles are charged to negative polarity and then caused to fill the pores by an electric field. When the particles in the pores are exposed via the conductive layer, electron-hole pairs are generated in the particles. An electric field of as high as 104 V/cm or above is formed between the conductive layer and the screen electrode and separates the electrons and holes. The electrons leak to the conductive layer and cause the particles to be charged to positive polarity. An electric field formed between a facing electrode positioned behind a recording medium and the conductive layer causes the particles to fly toward and deposit on the medium.

Abstract: An image forming apparatus with high release characteristic of a toner image, which can acquire a good imprint for a long time, is provided. In the image forming apparatus using the liquid development method, by giving release agent under the visible image formed by the liquid development, which forms release layer on latent image support before development, and is, the image forming apparatus with high release characteristic of a toner image, which can acquire good transfer characteristic for a long time, is realized.

Abstract: The present invention discloses a high weight percent of silicone within the silicone-urea block polymer for use with or as a dielectric layer material for electrostatic printing. The high weight percent comprises between about 66 and about 94 weight percent.

Abstract: A two-component developer suitable for electrophotography is formed of a toner and a resin-coated carrier. The resin-coated carrier is formed of carrier core particles and 0.01-2.0 wt. % based on the carrier core particles of a resin coating layer coating the carrier core particles. The resin-coated carrier has an average particle size of 25-55 &mgr;m and the carrier core particles comprise a ferrite component represented by formula (I) below: (Fe2O3)a(MnO)b(MgO)c(A)d  (I), wherein A represents a mixture of SrO, CaO and Al2O3, and a, b, c and d are numbers representing mol fractions of associated components and satisfying: 0.4<a<0.6, 0.35<b<0.45, 0.07<c<0.12, 0.005<d<0.015, and a+b+c+d≦1. Because of the specific composition, the carrier core particles are provided with a smooth surface, which is reflected into a surface smoothness of the resin-coated carrier even after coated with a thin resin coating layer.

Abstract: An image forming apparatus includes an image bearing member, a developer carrying member for carrying thereon a developer to transport the developer to a developing zone, and a regulation member provided in touch with the surface of the developer carrying member to regulate coat weight of the developer carried thereon. The image bearing member includes a conductive substrate and a photosensitive layer formed thereon, and the photosensitive layer contains at least one polycarbonate resin (I) having a viscosity-average molecular weight not more than 1.5×104 and at least one polycarbonate resin (II) having a viscosity-average molecular weight more than 1.5×104, the polycarbonate resin (I) being contained in a proportion of from 30% by weight to 95% by weight based on the total weight of the polycarbonate resins (I) and (II). On the developer carrying member, the developer is in a coat weight not more than 1.5 mg/cm2 at the developing zone after its regulation by the regulation member.

Abstract: Provided is an image-forming process including a step of forming an electrostatic latent image on a latent image-carrier and a step of developing the latent image by a developer on a developer-carrier disposed facing the electrostatic latent image-carrier, a developer contains a color toner containing a wax which amount is from 1 to 10% by weight of the toner is used, and the developer-carrier wherein a ten-point average roughness (Rz) of the surface thereof of and the average spacing (Sm) of roughness peaks meet the following formula is used; 5.ltoreq.Rz.times.20.ltoreq.Sm. By the process, the conveying property of the developer is good, staining of the surface of the developer-carrier can be prevented, and images having a high quality and excellent in the fixing property over a long period time is obtained even in the case of using oil-less color toners containing a wax.

Abstract: A fuser member having a support metallic core and a layer of material formed over the metallic core, the layer including composite material, including a silicone T-resin; a crosslinked poly(dialkylsiloxane) incorporating an oxide, wherein the poly(dialkylsiloxane) has a weight average molecular weight before crosslinking of about 5,000 to 80,000; and a silane crosslinking agent.

Abstract: A non-magnetic one-component development process is provided which comprises supplying a developer onto a photoreceptor using a non-magnetic one-component developing machine comprising at least a developer-supporting roll and a layer-forming blade so that an electrostatic latent image on said photoreceptor is developed, characterized in that as said developer there is used a spherically particulate toner having a volume-average particle diameter of from 1 to 6 .mu.m and the amount of said toner to be attached to said developer-supporting roll is from 0.1 mg/cm.sup.2 to 0.45 mg/cm.sup.2. In accordance with the process of the present invention, the image quality can be drastically improved while drastically reducing the consumed amount of the toner.

Abstract: A toner fuser belt for use with electrophotographic apparatus including a thermally conductive substrate through which heat is applied; a toner release layer formed over the substrate; and an adhesion promoting layer including an aliphatic cross-linked polyurethane which is stable at fusing temperatures provided between the substrate and the toner release layer and wherein the aliphatic cross-linked polyurethane is selected to provide good adhesion between the substrate and the toner release layer.

Abstract: A toner which can exhibit 5 nN or less of inter-particle force calculated by the following equation (1) when the toner is laminated and carried on a toner carrier:Fv=q.multidot.E-Fi (1)where Fv is an inter-particle force, q.multidot.E is a Coulomb force calculated by the following equation:q.multidot.E=q.multidot.{Vb+(Q/M).multidot..delta..multidot.P.multidot.dt.s ub.1.sup.2 /(2.epsilon.o.epsilon..sub.T)}/(.epsilon..sub.T .multidot.g+dt.sub.1) (2)where Fi is an image-force calculated by the following equation (3):Fi={(W.sub.1 .multidot..pi.d.sup.3 .multidot..delta.)/(6 .epsilon.o .epsilon..sub.T)}.multidot.(Q/M).sup.2 (3)where q is a quantity of charge [C] of the toner particle to be developed, E is an electric field strength [V/m] acting on the toner layer, Q/M is a toner charge-to-mass ratio [mC/g], W.sub.1 is an amount of toner separated by development among the toner laminated and carried on the toner carrier, .epsilon.o is a vacuum dielectric constant [C/(V.multidot.m)], .epsilon..sub.

Abstract: A mono-component developing method, comprising the steps of:supplying a mono-component developing agent containing a toner onto a developer-supporting member that is aligned face to face with an image-supporting member;regulating the developing agent on the developer-supporting member by a regulating member installed in contact with the developer-supporting member; anddeveloping an electrostatic latent image formed on the image-supporting member by the toner,wherein the toner has a weight-average particle size (d.sub.50) in the range of 4 to 10 .mu.m, an average degree of roundness of not less than 0.950 and a standard deviation of degree of roundness of not more than 0.040, and more preferably the toner has a specific value of a surface shape characteristic D/d.sub.50, and a specific ratio d.sub.50 /Ra of the toner weight-average particle size (d.sub.50) to the surface roughness (Ra) of the developer-supporting member.

Abstract: An image forming method wherein a developer layer formed by a layer forming material and supported on a developer supporting body is used to develop an electrostatic latent image on an electrostatic latent image supporting body, thereby forming an image. In the method, the direction of rotation of the developer supporting body is the same as that of the electrostatic latent image supporting body, the ratio of peripheral speed of the developer supporting body to the electrostatic latent image supporting body ranges from 0.7 to 1.8, the developer is composed of a carrier and a toner, and the toner contains a conductive inorganic fine powder. The method is useful for making an amount of static electrification of the toner suitable and stabilizing the same.

Abstract: A method and apparatus for developing a image from an electrostatic latent image formed on an image portion of a latent image carrier which is charged to a predetermined potential includes the steps of: supplying to a toner carrier member, toner comprising toner base particles, a first additive constituted by fine particles, and a second additive constituted by fine particles, wherein respective potentials of the toner carrier member, the toner base particles, the first additive and the second additive have a predetermined triboelectric series; using the predetermined triboelectric series to transfer the toner from the toner carrier member to the image portion of the latent image carrier; and developing the image from the transferred toner.

Abstract: A developing method includes the steps of: applying for a predetermined duration t.sub.1 to a developer carrying member, faced to an image bearing member for bearing an electrostatic image before formation of a developed image, for carrying a developer, a back-transfer voltage V.sub.1 for returning the developer to the developer carrying member; applying for a predetermined duration t.sub.2 to the developer carrying member a transfer voltage V.sub.2 for transferring the developer from the developer carrying member to the image bearing member; shifting from the back-transfer voltage V.sub.1 to the transfer voltage V.sub.2 substantially in rectangular profile; and shifting from the transfer voltage V.sub.2 to the back-transfer voltage V.sub.1, taking a predetermined duration t.sub.3.

Abstract: A development method comprising the steps of forming a layer of a developer comprising a toner and a magnetic carrier on a developer transporting member containing a magnet therein by means of a developer regulating member, transporting the developer layer on the developer transporting member to a development region where the developer transporting member opposes an image bearing member, and applying an oscillating electric field to the development region for supplying the toner from the developer layer to the image bearing member, thereby developing an image. The magnetic carrier comprises a magnetic powder dispersed in a binder resin having an acid value of 0 to 20 KOHmg/g and has 5 to 30 wt % of magnetic powder present on the surface thereof.

Abstract: The present invention provides a method for impression development which comprises forming a thin layer of a toner on a surface of a developing roller with a plate-like rigid member, and developing an electrostatic latent image formed on a photoconductor by contacting the thin layer with the electrostatic latent image. The toner comprises toner particles, and prescribed amount of inorganic fine particles (mean particle diameter of 0.1 to 1.0 .mu.m on the volume basis), and/or comprises toner particles which have prescribed distribution of the odd-shape degree of the toner particle (mean value of the odd-shape degree and the proportion of the number of toner particles having the odd-shape degree of not more than 0.2). According to the method for impression development, it becomes possible to form an image having no failures and good image quality.

Abstract: A developing method for developing an electrostatic latent image at a developing region includes preparing a developer containing toner particles and carrier particles which has an inherent resistance value of 1.times.10.sup.7 .about.1.times.10.sup.12 .OMEGA.ocm under an electric field of 500V/mm, magnetic force of 600.about.2300 G, and a mean particle size of 10.about.30 .mu.m; regulating a quantity of the prepared developer on a developer transporter within a range of 0.7.about.5.0 mg/cm.sup.2 ; transporting the regulated developer to the developing region; and applying an alternating current voltage between the developing region and the electrostatic latent image to generate an oscillating electric field therebetween in order to supply the transported developer to the electrostatic latent image.

Abstract: Unique laser ablation transfer ("LAT") imaging films presenting options of flexibility and versatility hitherto alien to this art are produced, on-demand, by toning appropriate substrate as to provide thereon an ablative discontinuous film topcoat comprising a contrast imaging amount of conventional or modified toner particulates.

Abstract: In a method of developing an electrostatic latent image formed on an image bearing member, wherein a developer carrying member carrying a layer of a developer is faced to the image bearing member and is supplied with an oscillating bias voltage to form an oscillating electric field in a developing zone, the improvement residing in: that a maximum Vu1max of a potential difference Vu1 between an image portion potential of the latent image and a potential of the developer carrying member in a transfer phase of the oscillating electric field, is larger than a maximum Vr1max of a potential difference Vr1 therebetween in a back-transfer phase thereof; that a maximum Vu2max of a potential difference Vu2 between a non-image portion potential of the latent image and a potential of the developer carrying member in the transfer phase of the oscillating electric field, is not less than a maximum Vr2max of a potential Vr2 therebetween in the back-transfer phase thereof; that integration Iu2, with time, of the potential di

Abstract: A carrier for electrophotography has carrier particles. The carrier has a 50% average particle diameter (D.sub.50) of from 15 .mu.m to 45 .mu.m and contains from 1% to 20% of carrier particles with a size smaller than 22 .mu.m, not more than 3% of carrier particles with a size smaller than 16 .mu.m, from 2% to 15% of carrier particles with a size of 62 .mu.m or larger, and not more than 2% of carrier particles with a size of 88 .mu.m or larger. The carrier has a specific surface area S.sub.1 as measured by an air-permeability method and a specific surface area S.sub.2 as calculated by the following expression:S.sub.2 =(6/.rho..multidot.D.sub.50).times.10.sup.4wherein .rho. is a specific gravity of carrier; satisfying the following condition:1.2 .ltoreq.S.sub.1 /S.sub.2 .ltoreq.2.0.

Abstract: A developing method using negative toner, constituted by a toner carrier 1 and toner so that triboelectric series of the toner carrier 1, a toner base particle 3 and a surface additives 2 have a relationship in which the toner carrier 1, the surface additives 2 and the toner base particle 3 are arranged in this order from the plus side.

Abstract: A fixing belt is prepared by forming a layer of fluorosilicone rubber or fluorocarbonsiloxane rubber on the outer surface of an endless belt body. The fixing belt shows good toner release and minimal swell with silicone oil and is thus helpful in producing electrophotographic images of quality.

Abstract: A developer for developing latent electrostatic images for use in the rear side exposure system, composed of an electroconductive magnetic carrier which is composed of electroconductive magnetic carrier particles, each electroconductive magnetic carrier particle including a magnetic base particle and an electroconductive layer formed on the surface of the magnetic base particle, a magnetic high-resistivity magnetic carrier, and an electrically insulating toner; and an image formation method of forming toner images on a photoconductor by using this developer in accordance with the rear side exposure system are disclosed.

Abstract: A developing agent for electrophotography which comprises toner particles containing a resin binder and a colorant. The toner particles include which have diameter of 5 .mu.m or less and which account for less than 10% by number of all particles, and include particles which have diameter of 20 .mu.m or more and which account for less than 0.5% by weight, and the weight average standard deviation in particle diameter of the toner particles is 2.5 .mu.m or less. The developing agent may further contain an external additive comprising small silica particles 6 nm to less than 18 nm in average primary particle diameter and large silica particles 18 nm to less than 46 nm in average primary particle diameter.

Abstract: A toner for developing electrostatic images contains toner particles containing at least a binder resin and a colorant as well as a fine powder comprised of base particles on which crystalline low resistance tin oxide films are formed. The crystalline low resistance tin oxide contains less than 100 ppm of antimony, arsenic and phosphorus, and has an oxygen deficiency structure. The toner is excellent in strength and can consistently give high quality images under any environmental conditions.

Abstract: A developing method of the present invention has the steps of forming a uniform layer of a nonmagnetic one-component toner on a developer carrying sleeve with a developer blade; rotating an electrostatic latent image forming member and the developer carrying sleeve; and applying the toner on the developer carrying sleeve onto an electrostatic latent image formed on the electrostatic latent image forming member. The toner used herein is an encapsulated toner having a heat-fusible core material and a shell formed thereon. By using this development for a nonmagnetic one-component toner of the present invention, clear images free from background can be stably formed for a large number of copying.

Abstract: A contact-type nonmagnetic one-component developing method using a developing apparatus having at least a developer carrying member and a developer layer thickness control member provided so as to be adjacent to, or to be in contact under pressure with, said developer carrying member, which method comprises feeding a developer to said developer carrying member, forming a thin layer of the developer on a surface of the developer carrying member with the developer layer thickness control member with negatively charging the developer under friction, bringing the thin layer of the developer into contact with a photoconductive material holding an electrostatic latent image to develop the electrostatic latent image, and transferring the resultant developed image to an image receptor, said developer being a nonmagnetic one-component developer prepared by attaching fine particles of an additive to be positively charged to particles of a toner which is comprised mainly of a binder resin and a colorant and which is to

Abstract: A fixing belt is prepared by forming a layer of fluorosilicone rubber or fluorocarbon-siloxane rubber on the outer surface of an endless belt body. The fixing belt shows good toner release and minimal swell with silicone oil and is thus helpful in producing electrophotographic quality images.

Abstract: A MICR tape allows for the complete release of magnetic material from the tape substrate. This is accomplished by creating a tape with a layered structure including a magnetic layer coated on a polymer layer with a release layer therebetween.

Abstract: A toner comprising a binder resin and a coloring agent, with an aggregation degree of 5 to 60%, and an absolute value of Q/M measured by the suction method of 2 to 30 .mu.

Abstract: A developing method using negative toner, constituted by a toner carrier 1 and toner so that triboelectric series of the toner carrier 1, a toner base particle 3 and a surface additives 2 have a relationship in which the toner carrier 1, the surface additives 2 and the toner base particle 3 are arranged in this order from the plus side.

Abstract: An electrophotographic method and apparatus for developing and printing color images by the electrostatic projection of dry powder color toners onto a photoconductive member. A plurality of color toner projection units are spaced from the photoconductive member and are AC and DC biased to sequentially project each of the cyan, yellow, magenta, and black color planes onto the photoconductive member. The photoconductive member is directly driven against an intermediate transfer member which sequentially receives and stores each of the color planes to thereby form a composite color image, and each color plane is transferred from the photoconductive member before the next color plane is received thereon.

Abstract: A magnetic developer for developing an electrostatic latent image, including hydrophobic silica fine powder and an insulating magnetic toner comprising at least a binder resin and a magnetic material comprising spherical magnetic particles; wherein 0.16 to 1.6 wt. parts of the hydrophobic silica fine powder is mixed with 100 wt. parts of the insulating magnetic toner; the developer contains 17-60% by number of magnetic toner particles having a particle size of 5 microns or smaller, 5-50% by number of magnetic toner particles having a particle size of 6.35-10.08 microns, and 2.0% by volume or less of magnetic toner particles having a particle size of 12.7 microns or larger.

Abstract: A method of forming a developer layer on a rotating developing sleeve for developing a latent image on an image carrier, in which the developer layer is formed by conveying the developer on the sleeve below a regulating member which is applied with pressure onto the developer. The developer composed of two-component additionally contains spacer particles having a uniform diameter greater than the maximum diameter of carrier particles in the developer, which maintain a predetermined gap equal to the diameter of the spacer particles between the sleeve and the regulating member.

Abstract: To predispose toner particles to develop latent images in the form of polarized domains on a ferro-electric recording layer (12), for immediate transfer to a substrate (S), a donor roller (1) is rotated in a bath of liquid dispersed toner particles (4), which are charged; the thickness of the liquid dispersion, and hence of the quantity of donor particles, is controlled by limiting the amount of dispersant liquid toner particle deposit by rotating a limiting roller (9) positioned spaced apart with respect to said donor roller by a tiny gap; sequential rotation of the donor roller past a nkp (14) with the ferro-electric surface layer (12) forms a meniscu between the toner dispersion and, where the polarization of domains of the ferro-electric recording member (12) is opposite the charge polarization of the toner particles, the toner particles will adhere to the ferro-electric recording surface (12) for subsequent transfer to the recording substrate (S).

Abstract: According to the present invention, the photosensitive member and the electrostatic information recording medium are immersed in the toner after image exposure is performed, and the electric field is formed in the gap by short-circuiting between the electrodes of the photosensitive member and the electrostatic information recording medium. Also, bias voltage is applied between the electrodes of the photosensitive member and the electrostatic information recording medium, and the surfaces of the electrostatic information recording medium and the photosensitive member are immersed in the toner. Bias voltage is set to higher than the potential on the unexposed portion and lower than the maximum potential of the exposed portion on the electrostatic information recording medium or the photosensitive member, and toner development of electrostatic latent image is performed with high fidelity on the photosensitive member to form positive or negative image.

Abstract: In forming an image by the simultaneous light exposure-transfer process using a photosensitive toner, a light-exposed electricity-removed toner is effectively scraped without bad influences on the image density, and the fog density is drastically reduced.In subjecting a photosensitive toner layer to imagewise light exposure to form a combination of an electricity-removed toner and a charged toner and removing the electricity-removed toner from an electroconductive substrate by contact with a magnetic brush, the flux density distribution of a main developing pole in a developing sleeve is set so that a two-peak flux density distribution having two peaks separated on the upstream side and downstream side with the vicinity of the nip position between the developing sleeve and electroconductive substrate being as the center is produced in the tangential direction and the value of the peak on the downstream side is smaller than the value of the peak on the upstream side.

Abstract: An image forming apparatus comprising an electrostatic latent image bearing member and a developing apparatus for developing an electrostatic latent image. The developing apparatus comprises a developer container in which a developer is held, and a developer-carrying member for carrying thereon the developer and transporting the developer to a developing zone. The developer-carrying member has a surface layer of a resin containing at least conductive fine particles and a solid lubricant, and the surface layer has in its relative load curve (Abbot's load curve) a cutting depth C.sub.v of not more than 5 .mu.m when a relative load length t.sub.p is 5%; and the developer contains a toner and a fine powder pretreated with a silicone oil or silicone varnish.

Abstract: A method and apparatus for developing a latent magnetic image in which a layer of magnetically attractable toner powder having a specific resistance less than 10.sup.9 ohms.meter is conveyed by a toner conveyor to a developing zone past a medium carrying the latent image and an AC voltage is applied between the toner conveyor and the medium carrying the latent image.

Abstract: A developer for developing electrostatic images, comprising: at least, 100 wt. parts of a negatively chargeable magnetic toner having a volume-average particle size of 5 to 30 microns; 0.1 to 3 wt. parts of positively chargeable resin particles having an average particle size of 0.1 to 1.0 micron; and 0.05 to 3 wt. parts of hydrophobic silica fine powder having a triboelectric chargeability of -100 to -300 .mu.c/g.

Abstract: The present invention provides a developing device disposed adjacently to a rotatably arranged electrostatic latent image support member, including;a rotatably arranged toner transport member contacting the electrostatic latent image support member anda member contacting the toner transport member for forming a toner layer on external surface of the toner transport member,the toner transport member including irregularities of 20-200 .mu.m in mean mountain distance on its surface.

Abstract: Carrier of a two-component type developer having a carrier core material and an organic polymer coating which results in a 20 to 45% carrier filling rate and dynamic permittivity which satisfies both Y.gtoreq.-0.05+9 and Y.ltoreq.-0.05+13.5 with Y equal to dynamic permittivity and X equal to the carrier filling rate percentage value. The dynamic permittivity of the carrier is determined with an apparatus which includes an adjustable detector having an electrode in electrical communication with an AC power source by way of a capacitor like gap between the photoreceptor of a developer and the electrode of the detector. A reading device and arithmetic unit are also in electrical communication with the detector and power source to enable determination of the dynamic permittivity of the carrier.

Abstract: After a two-component developer with known toner concentration is poured into a tank and begins to be stirred, its toner density is measured quickly at least three times by a toner density sensor and the final value to which the output of this sensor is expected to converge is calculated from these measured values such that a reference value by which the supply of toner is controlled can be estimated much more quickly than by waiting for the output of the sensor to stabilize.

Abstract: A member for developing electrostatic latent images to visible images is disclosed, which comprises a support, a first coating layer comprising an elastic material formed on the support, and a second coating layer comprising a flexible resin formed on the first coating layer.