摘要:
A method for processing a silver halide color photographic material which comprises the steps of, after color-developing, processing the silver halide color photographic material with a bleaching bath, and then processing with a fixing bath, wherein the bleaching bath has a pH value of from 2.5 to 5.5 and contains a (1,3-diaminopropane-tetraacetato)iron(III) complex salt in an amount of at least 0.2 mol/liter and an organic acid in an amount of at least 0.5 mil/liter, and the fixing bath contains at least one compound selected from formulae (I), (II), (III), (IV), and (V):R.sup.1 --(X--R.sup.3).sub.m --X--R.sup.2 (I)wherein m represents 0 or an integer of from 1 to 4; R.sup.1 and R.sup.2 each represents a substituted or unsubstituted alkyl group; R.sup.3 represents a substituted or unsubstituted alkylene group, provided that when m is 2 or more, the R.sup.3 groups in each of the (X--R.sup.3) segments may be the same or different; and X represents sulfur, oxygen, ##STR1## wherein Z represents ##STR2## --OR.sup.15 or --SR.sup.16 ; R.sup.11, R.sup.12, R.sup.13, R.sup.14, R.sup.15 and R.sup.16 each represents an alkyl group, an alkenyl group, an aralkyl group, an aryl group or a heterocyclic group; and R.sup.11 and R.sup.12 ; R.sup.13 and R.sup.14 ; or R.sup.11 and R.sup.13 ; R.sup.11 and R.sup.15 ; or R.sup.11 and R.sup.16 may be bonded to each other to form a 5-membered or 6-membered hetero-ring; ##STR3## wherein A represents an alkylene group; R.sup.20 represents --NH.sub.2, --NHR.sup.21, ##STR4## --CONHR.sup.24, --OR.sup.24, --COOM, --COOR.sup.21, --SO.sub.2 NHR.sup.24, --NHCOR.sup.21 or --SO.sub.3 M; p represents 1 or 2; L represents --S.sup..crclbar. when R.sup.20 is ##STR5## and L represents --SM otherwise; R.sup.21, R.sup.22 and R.sup.23 each represents an alkyl group; R.sup.24 represents hydrogen or an alkyl group; and M represents hydrogen or a cation: ##STR6## wherein R.sup.31 represents a hydroxyl group, an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, a heterocyclic group, an amino group, an acyloxy group or an alkyloxy group; R.sup.32 represents hydrogen, an alkyl group, a cycloalkyl group, an aryl group or a heterocyclic group; and R.sup.33 represents an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group or a heterocyclic group. ##STR7## wherein R.sub.41, R.sub.42, R.sub.43 and R.sub.44 each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group; or R.sub.41 and R.sub.42, or R.sub.43 and R.sub.44 may be bonded to each other to form a ring.
摘要:
An image display device capable of uniforming luminance over a whole display plane. The image display device includes a plurality of vertical selecting electrodes each adapted to adjust an intensity of each of electron beams for every one of a plurality of cathodes. The device may include a protective electrode for insulating a low voltage region for selecting and deflecting of each electron beam and a high voltage region for accelerating the electron beam from each other.
摘要:
There is provided a method for processing a silver halide color photographic material which comprises processing the silver halide color photographic material with a color developer containing an aromatic primary amine color developing agent and a specific amino compound. According to this method the stability and color forming property of a color developer are improved so that the increased fogging problem in continuous processing is lessened and the processing time is shortened. There is also provided a color developer composition which can be used as the developer, as it is or after adjusting its composition.
摘要:
A fluorescent composition capable of emitting light of various luminous colors under electron or ultraviolet excitation and a fluorescent luminous device having mounted such a fluorescent composition mounter therein. The fluorescent composition has a general formula of ZnO.Ga.sub.2 O.sub.3 and emits light of a luminous spectrum distributed at an ultraviolet or visible region. The fluorescent composition includes a matrix of ZnO.Ga.sub.2 O.sub.3 and Cd doped in the matrix. The fluorescent luminous device includes at least one ZnO.Ga.sub.2 O.sub.3 :Cd phosphor deposited on anode conductors and at least one luminous display section having an ultraviolet excitable visible light emitting phosphor deposited thereon within a region of radiation of ultraviolet rays emitted from the ZnO.Ga.sub.2 O.sub.3 :Cd phosphor.
摘要翻译:能够在电子或紫外线激发下发射各种发光颜色的荧光组合物和在其中安装这种荧光组合物的荧光发光装置。 该荧光组合物具有ZnO.Ga 2 O 3的通式,并发出分布在紫外线或可见光区域的发光光。 荧光组合物包括在基质中掺杂的ZnO.Ga 2 O 3和Cd的基质。 荧光发光器件包括沉积在阳极导体上的至少一种ZnO.Ga 2 O 3:Cd荧光体和至少一个发光显示部分,该发光显示部分在ZnO上发射的紫外线辐射区域内沉积有紫外激发可见光发射荧光体。 镉荧光粉。
摘要:
A restraining method for restraining the formation of a re-reversal negative image is described, comprising incorporating a cyanine dye or a merocyanine dye which is electron donative and is adsorbable on silver halide in at least one hydrophilic colloid layer of an internal latent image type direct positive silver halide photographic material as a re-reversal restrainer.
摘要:
There is disclosed a fluorescent composition exhibiting high luminance under low velocity electron excitation having the formula (Zn.sub.1-x Cd.sub.x)S:Ag, Al wherein x is 0.25.ltoreq.x.ltoreq.0.95, Ag is 1.times.10.sup.-5 to 10.sup.-3 atom/mole and Al is 1.2.times.10.sup.-3 to 5.times.10.sup.-2 atom/mole and a fluorescent display apparatus containing the same.
摘要:
A graphic fluorescent display device is disclosed which is capable of effectively eliminating a streak pattern occurring right below cathodes. The fluorescent display device is constructed in such a manner that an electric field controlling electrode is disposed on the surface of a cover plate opposite to a substrate having anodes formed thereon, and potential positive with respect to the cathodes is applied to the electric field controlling electrode so that electrons emitted from the cathodes may be diffused by the positive electric field of the electric field controlling electrode.
摘要:
A silver halide photographic light-sensitive material is described, comprising a support having provided thereon at least one light-sensitive silver halide emulsion layer associated with a substantially immobile, positive one-equivalent redox compound capable of releasing a photographically useful compound or a precursor thereof as a result of a redox reaction, said compound being represented by formula (I) ##STR1## wherein Acp represents an anion center precursor capable of causing --Z--Q to be released by a quinonemethide type releasing reaction when being reduced R.sup.1 and R.sup.2 each represents a hydrogen atom, a substituted or unsubstituted aryl group; Z represents a divalent atomic group; Q represents a group capable of becoming a photographically useful compound or a precursor thereof when released, provided that Q does not contain an atom or atomic group which functions as an electrophilic center that induces an intramolecular substitution reaction; Ball represents a ballast group; M represents a substituent; A represents an organic group which connects Acp, ##STR2## M, and Ball; and n and m each represents an integer of 1 or more.
摘要:
A casing for a display device of the tipless type is disclosed which is capable of being readily manufactured, and allowing a display device to have a good space factor and exhibit excellent display characteristics. The casing comprises a casing body formed with an evacuation hole and a plate lid member arranged to sealingly close the evacuation hole by means of an oxide solder layer when the casing is evacuated.
摘要:
An amorphous film formed of a transition element-silicon compound which has excellent electric and optical characteristics is disclosed. The compound is amorphous and has a Si content of 60-85 at. %.