专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明专利

JPH0435987A THERMAL TRANSFER RECORDING MATERIAL 失效
公开(公告)号：JPH0435987A
公开(公告)日：1992-02-06
申请号：JP13999090
申请日：1990-05-31
申请人： TOSHIBA CORP
发明人： SATO NORIAKI , OKUYAMA TETSUO
IPC分类号： B41M5/382 , B41M5/40 , B41M5/42
摘要： PURPOSE:To enhance the quality of recording and printing and printing durability after transfer and to perform high speed printing by providing a hot melt colorant layer and a hot melt layer in a multilayer structure of two or more layers and dispersing minute particles on the surface of the hot melt colorant layer so as to embed the same in the layer at the time of transfer. CONSTITUTION:A hot melt layer 4 is formed to the surface of a base material 2 and a hot melt colorant layer 6 containing minute particles 5 having a mean particle size of 2 - 8 mum is further formed to the surface thereof. When the hot melt layer and the hot melt colorant layer are melted by the heat energy applied from a thermal head to be transferred to a transfer material, the hot melt colorant layer containing a coloring material is formed to a recording printing surface as an undercoat layer and the hot melt layer is formed thereon as an overcoat layer. Therefore, the printing durability of recording and printing is enhanced and this thermal transfer recording material can correspond to high speed printing. Since minute particles are dispersed in the surface layer, the surface hardness and coefficient of friction of the hot melt colorant layer and the hot melt layer are increased.

32. 发明专利

JPH03251495A THERMAL TRANSFER RECORDING MEDIUM AND INK RIBBON CASSETTE USING THE SAME 失效
公开(公告)号：JPH03251495A
公开(公告)日：1991-11-08
申请号：JP4973790
申请日：1990-03-01
申请人： TOSHIBA CORP , GEN CORP
发明人： OKUYAMA TETSUO , SATO NORIAKI , KOKUNI NAOYUKI , KAMIYAMA SEIJI , OYAMA HIROYASU
IPC分类号： B41J31/00 , B41M5/30 , B41M5/392
摘要： PURPOSE:To form a good transfer image even to plain paper low in surface smoothness without bringing about the lowering of resolving power by specifying the complex modulus at the time of melting of the forming material of a heat- meltable colorant layer selectively heated and melted to be transferred to a material to be transferred. CONSTITUTION:In a thermal transfer recording medium, the forming material of the heat-meltable colorant layer provided on a sheet like base material is characterized by that the magnitude of the complex modulus at the time of melting (m.p. ; 30 deg.C or higher) is within the range of 5 X 10 - 9X10 Pa and the ratio of the dynamic modulus and loss modulus of the complex modulus is within the range of 1 : 2 - 1 : 4. Further, the time required when the magnitude of the complex modulus of the forming material of the heat-meltable colorant layer changes from 1X10 Pa to 1X10 Pa when temp. is raised at speed of 0.5 deg.C/min is within 20 min.

33. 发明专利

JPH03121891A THERMAL TRANSFER RECORDING MATERIAL 失效
公开(公告)号：JPH03121891A
公开(公告)日：1991-05-23
申请号：JP26101289
申请日：1989-10-05
申请人： TOSHIBA CORP
发明人： OKUYAMA TETSUO , SATO NORIAKI , TAMURA SAKAE
IPC分类号： B41M5/382 , B41M5/30 , B41M5/392 , B41M5/40 , B41M5/42
摘要： PURPOSE:To form a good transfer image even to plain paper low in surface smoothness by dispersing thermoplastic resin particles having a specific mean particle size in a heat-meltable colorant layer to provide the surface roughened by said particles. CONSTITUTION:A back coat layer 3 for imparting heat-resistant lubricity is formed to the rear of a sheetlike base material 2. A heat-meltable colorant layer 5 containing particles 4 with a mean particle size of 5-10mum composed of a thermoplastic resin is formed on the surface of the base material 2. Protruding parts are formed on the surface of the heat-meltable colorant layer 5 by the particles 4 to roughen the surface of the layer 5. Therefore, since only the heat-meltable colorant layer 5 at the part heated by a thermal head is sufficiently heated at the time of transfer, good transfer is performed even to a transfer target inferior to surface smoothness such as plain paper. Since the periphery of a part to be heated is hardly heated, faithful recording can be performed.

34. 发明专利

JPH02231192A THERMAL TRANSFER SHEET 失效
公开(公告)号：JPH02231192A
公开(公告)日：1990-09-13
申请号：JP5170889
申请日：1989-03-03
申请人： TOSHIBA CORP
发明人： TAMURA SAKAE , OKUYAMA TETSUO
IPC分类号： B41M5/382 , B41M5/50 , B41M5/52
摘要： PURPOSE:To prevent the adhesion of dust, the occurrence of faulty pixel, and the deterioration of image quality with time by determining the surface resistance of an accepting layer to be less than a specific value, and the surface resistance of the surface of a base sheet at least on the opposite side to that provided with the accepting layer to be less than a specific value. CONSTITUTION:The surface resistance of an accepting layer 2 is determined to be 10 OMEGA/ unit area or less. The surface resistance of the surface of a base sheet 1 at least on the opposite side of the accepting layer 2 is determined to be 10 OMEGA/ unit area or less. The surface resistance values of the both surfaces of the thermal transfer sheet are reduced. In this manner, the thermal transfer sheet can be inhibited from being electrostatically charged. Therefore, charges that are generated are easily discharged, a charge life on the thermal transfer sheet can be shortened, and the deterioration of image quality caused by the adhesion of dust attendant on electrification or the adhesion of suspended dust in the air after recording can be suppressed.

35. 发明专利

JPS63102985A THERMAL TRANSFER RECORDING MATERIAL 失效
公开(公告)号：JPS63102985A
公开(公告)日：1988-05-07
申请号：JP24786286
申请日：1986-10-17
申请人： TOSHIBA CORP
发明人： OKUYAMA TETSUO , TAMURA SAKAE , UEHARA TSUTOMU
IPC分类号： B41M5/395 , B41M5/26
摘要： PURPOSE:To facilitate the control of gradation, by providing a layer, which consists of a specific methacrylate copolymer, a substance melted at predetermined thermal transfer temp. and a colorant, on a sheetlike base material. CONSTITUTION:A copolymer of alkyl acrylate having a 12 or more C alkyl group in the side chain thereof or alkyl methacrylate having a 14 or more C alkyl group in the side chain thereof and a monomer having a polar group, an org. substance melted at predetermined thermal transfer temp. and a colorant are dissolved in a solvent such as toluene or alcohol to prepare a coating solution. This coating solution is applied to a sheet like base material such as a polyester film and dried to form a thermal transfer recording material having a film with a thickness of about 2-10mum.

36. 发明专利

JPS62290582A HEATSENSITIVE TRANSFER RECORDING MATERIAL 失效
公开(公告)号：JPS62290582A
公开(公告)日：1987-12-17
申请号：JP13452486
申请日：1986-06-10
申请人： TOSHIBA CORP
发明人： OKUYAMA TETSUO , TOMURA SHINYA , TAMURA SAKAE , UEHARA TSUTOMU
IPC分类号： B41J31/00 , B41M5/392 , B41M5/40 , B41M5/42 , B41M5/44
摘要： PURPOSE: To facilitate the control of gradient and to improve the sensibility, the mechanical character and the productionability, by forming a first resin fusable under a specific heat transfer temperature, a second resin which does not fuse nor compatible substantially with the first resin and a layer composed of a compound with a coloring agent onto a basic material sheet. CONSTITUTION:The phase condition of a recording material is changed by means of a heatsensitive head so as to move a material onto a substance to be transferred thus performing the recording. A first resin fusable under a heat transfer temperature, a second resin not fusable under the heat transfer temperature or compatible substantially with the first resin under the transfer temperature and a layer composed of a compound with a coloring agent are formed onto a basic material sheet in a heat-sensitive transfer recording material. The first resin includes a paraffin wax, a carnauba wax, etc. while the second resin includes an ester methacrylate such as methyl acrylate, ethyl acrylate, etc. and a copolymer thereof. The mixing quantity of the first resin in the compound is set to 5 80wt.% in order to achieve a good insular dispersion.

37. 发明专利

JPS62223765A DEVELOPING METHOD 失效
公开(公告)号：JPS62223765A
公开(公告)日：1987-10-01
申请号：JP6751286
申请日：1986-03-26
申请人： TOSHIBA CORP
发明人： TOMURA SHINYA , OKUYAMA TETSUO , SAITOU MITSUNAGA , UEHARA TSUTOMU
IPC分类号： G03G9/08 , G03G9/097 , G03G13/08
摘要： PURPOSE:To stabilize the extent of triboelectric charging and to prevent development fog and the scattering of a toner on the periphery of the edge of a latent image by developing the latent image with a specified positively chargeable nonmagnetic one-component toner. CONSTITUTION:An electrostatic latent image is developed with a positively chargeable nonmagnetic one-component toner contg. a resin having >=50 deg.C glass transition point and 110-160 deg.C softening point, e.g., polystyrene and a colorant such as carbon black. The amount of electric charges produced on the resin by triboelectric charging is +25-150muC/m surface area. When the glass transition point of the resin is 160 deg.C, the toner is not fixed. When the amount of electric charge produced on the resin by triboelectric charging is , it is difficult to positively charge the toner. In case of >+150muC/m , it is difficult to form an image. Colloidal silica may be added to the toner so as to improve the flowability and coagulation resistance.

38. 发明专利

JPS623258A TONER AND DEVELOPING METHOD USING IT 失效
公开(公告)号：JPS623258A
公开(公告)日：1987-01-09
申请号：JP14156285
申请日：1985-06-29
申请人： TOSHIBA CORP
发明人： OKUYAMA TETSUO , TOMURA SHINYA , UEHARA TSUTOMU
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09 , G03G9/097 , G03G13/08 , G03G15/08
摘要： PURPOSE:To visualize an electrostatic latent image to form a high-quality image by suing a one-component type nonmagnetic toner composed of a resin having a group containing halogen or N atom on the terminal of the resin chain, and a pigment. CONSTITUTION:The one-component type nonmagnetic toner composed of a resin having a group containing halogen or N atom on the terminal of the resin chain, and a pigment is used, and the resin is obtained by using a compound having a halogen or N atom at a chain transfer agent, and an N- containing compound as a polymerization initiator, and another N-containing compound as a chain transfer agent and a polymerization initiator, and combining these processes, thus permitting the obtained toner to be sufficiently stable even under conditions of high temperature and high humidity, and low temperature and low humidity, and a high-quality image to be obtained by development.

39. 发明专利

JPS61295555A RECORDING MATERIAL AND RECORDING METHOD USING IT 失效
公开(公告)号：JPS61295555A
公开(公告)日：1986-12-26
申请号：JP13699585
申请日：1985-06-25
申请人： TOSHIBA CORP
发明人： UEHARA TSUTOMU , TOMURA SHINYA , OKUYAMA TETSUO
IPC分类号： G06K15/00 , B41J31/00 , B41M5/26 , G03G5/00 , G03G17/00 , G03G17/08
摘要： PURPOSE:To increase printing speed, to improve printing quality and to save electric power by successively laminating a transparent, electrically conductive layer, a photoconductive insulator layer and an electrically conductive layer to produce a recording material, forming a transparent support on the transparent, electrically conductive layer, bringing ordinary paper into contact with the electrically conductive layer, and giving a photo signal from the support side with potential difference between the electrically conductive layer and the transparent, electrically conductive layer. CONSTITUTION:A photoconductive insulator layer 3 and an electrically conductive layer 4 are successively formed on one side of a transparent, electrically conductive layer 2 to produce a recording material, and a transparent support 1 for holding the recording material is formed on the other side of the layer 2. When a photo signal 7 is given from the support side, the part of the insulator layer 3 receiving the signal 7 is made electrically conductive to suddenly increase electric current by voltage applied from a power source 6. At this time, dielectric breakdown occurs in the insulator layer 3 and an image 8 to be transferred is transferred to image receiving paper 5. The image 8 is fixed by heat generated at the same time.

40. 发明专利

JPS6134554A Photoconductive toner 失效
标题翻译：光电池
公开(公告)号：JPS6134554A
公开(公告)日：1986-02-18
申请号：JP15555584
申请日：1984-07-27
申请人： Toshiba Corp
发明人： SUZUKI YUKIO , FUJIWARA SHIGERU , OKUYAMA TETSUO , UEHARA TSUTOMU
IPC分类号： G03G9/08 , G03G9/09 , G03G9/097
CPC分类号： G03G9/09758 , G03G9/0908 , G03G9/0926
摘要： PURPOSE:To obtain high photosensitivity and superior sensitivity characteristics covering all the visible light wavelength region by incorporating a specified compd. in an amorphous state. CONSTITUTION:The component in an amorphous state of perylenetetracarboxylic acid diimide (PTCDI) represented by the formula, R being H, alkyl, alkoxy, an aliphatic residue or aromatic residue, is used as a photoconductive material, and incorporated in the resin component for fixing atoner. Such an amorphous PTCDI has high light current/dark current ratio, and accordingly, the toner contg. it is high in photosensitivity. As a result, the toner has light spectral sensitivity in the region of 400-650nm wavelength region, and also superior photosensitivity characteristics in all the visible wavelength resion. Since the amorphous PTCDI can be easily pulverized, it is superior in workability, high in practicable value, and a sharp positive image is obtained by using it.
摘要翻译：目的：通过结合指定的化合物来获得覆盖所有可见光波长区域的高光敏性和卓越的灵敏度特性。处于非晶状态。构成：由式R表示的苝四羧酸二酰亚胺（PTCDI）的组分为H，烷基，烷氧基，脂族残基或芳族残基，用作光电导材料，并且结合到用于固定的树脂组分中 at子这种无定形PTCDI具有高的光电流/暗电流比，因此，调色剂它的光敏度很高。结果，调色剂在400-650nm波长区域的区域具有光谱灵敏度，并且在所有可见光波长中具有优异的光敏特性。由于可以容易地粉碎无定形PTCDI，所以其加工性优异，实用价值高，通过使用可以获得清晰的正像。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式