摘要:
An ink which can cause a change in its adhesiveness by an electrochemical reaction is obtained by impregnating a crosslinked substance such as polyvinyl alcohol with a liquid dispersion medium comprising an organic solvent having a relative dielectric constant of 15 or larger at 25.degree. C. such as ethylene glycol. The ink shows little characteristic change due to drying, etc., and suitably retains its fluidity when left standing in the air for a long period. The ink is supplied with a pattern of energy to be provided with an adhesive pattern, which is then transferred to a recording medium such as plain paper, directly or by the medium of an intermediate transfer medium to form an ink pattern corresponding to the energy pattern applied.
摘要:
An image recording method and an image recording apparatus using an ink which is substantially non-adhesive but can be imparted with an adhesiveness when subjected to a pH change. In the image recording method, the ink is subjected to a pattern of pH change to be provided with an adhesive pattern, which is then transferred to a recording medium, such as plain paper, directly or by the medium of an intermediate transfer medium to form an ink pattern corresponding to the pH change pattern.
摘要:
A toner for developing electrostatic latent images is produced by a process comprising the steps of: (a) preliminarily dispersing a monomer composition comprising at least a polymerizable monomer and a colorant in a liquid dispersion medium which is substantially mutually-insoluble with the monomer and contains a fine powdery dispersion stabilizer, thereby to form a liquid dispersion containing the preliminarily dispersed monomer composition; (b) pressurizing the liquid dispersion up to a pressure of 10 kg/cm.sup.2 or above; (c) ejecting the dispersion into a low pressure section to form particles of the monomer composition; and (d) subjecting the particles of the monomer composition to suspension polymerization, thereby to produce toner particles.
摘要翻译:通过包括以下步骤的方法制备用于显影静电潜像的调色剂:(a)将包含至少可聚合单体和着色剂的单体组合物预先分散在与单体基本上相互不溶的液体分散介质中,并且含有 细粉状分散稳定剂,形成含有预分散单体组合物的液体分散体; (b)将液体分散体加压至10kg / cm 2或更高的压力; (c)将分散体喷射到低压部分中以形成单体组合物的颗粒; 和(d)使单体组合物的颗粒进行悬浮聚合,从而产生调色剂颗粒。
摘要:
A toner suitable for developing electrostatic images is produced through a process comprising: dispersing a monomer composition comprising at least a polymerizable monomer and a colorant in an aqueous medium heated at a temperature higher than a polymerization temperature, thereby to form particles of the monomer composition; adjusting the aqueous medium to the polymerization temperature; and adding a substantially water-insoluble polymerization initiator to the aqueous medium containing the particles of the monomer composition dispersed therein and adjusted to the polymerization temperature, thereby to cause the polymerization of the polymerizable monomer. According to this process, a toner containing a large amount of a low-softening point compound and having good fixability at low pressure and/or low temperature can be produced while retaining good anti-blocking characteristic and fluidity.
摘要:
An electron-emitting device comprises a pair of oppositely disposed electrodes and an electroconductive film arranged between the electrodes and including a high resistance region. The high resistance region has a deposit containing carbon as a principal ingredient. The electron-emitting device can be used for an electron source of an image-forming apparatus of the flat panel type.
摘要:
An electron-emitting device comprises a pair of oppositely disposed electrodes and an electroconductive film arranged between the electrodes and including a high resistance region. The high resistance region has a deposit containing carbon as a principal ingredient. The electron-emitting device can be used for an electron source of an image-forming apparatus of the flat panel type.
摘要:
An electron-emitting device comprises a pair of electrodes and an electroconductive film arranged between the electrodes and including an electron-emitting region carrying a graphite film. The graphite film shows, in a Raman spectroscopic analysis using a laser light source with a wavelength of 514.5 nm and a spot diameter of 1 μm, peaks of scattered light, of which 1) a peak (P2) located in the vicinity of 1,580 cm−1 is greater than a peak (P1) located in the vicinity of 1,335 cm−1 or 2) the half-width of a peak (P1) located in the vicinity of 1,335 cm−1 is not greater than 150 cm−1.
摘要:
An electron-emitting device comprises a pair of oppositely disposed electrodes and an electroconductive film arranged between the electrodes and including a high resistance region. The high resistance region has a deposit containing carbon as a principal ingredient. The electron-emitting device can be used for an electron source of an image-forming apparatus of the flat panel type.
摘要:
A method of manufacturing an electron-emitting device has a step of forming a pair of conductors on a substrate, the conductors being spaced from each other, and an activation process of depositing carbon or carbon compound on at least one side of the pair of conductors in an atmosphere of carbon compound gas. The activation process includes a plurality of processes of two or more stages including a first process and a second process. The first process is executed in an atmosphere of the carbon compound gas having a partial pressure higher than a partial pressure of the gas in the second process, with the second process being the last activation process.
摘要:
A method of manufacturing an electron-emitting device has a step of forming a pair of conductors on a substrate, the conductors being spaced from each other, and an activation process of depositing carbon or carbon compound on at least one side of the pair of conductors in an atmosphere of carbon compound gas. The activation process includes a plurality of processes of two or more stages including a first process and a second process. The first process is executed in an atmosphere of the carbon compound gas having a partial pressure higher than a partial pressure of the gas in the second process, with the second process being the last activation process.