Fujifilm Corporation

Fuji Photo Film Company, Limited

Yasuhiro Mitamura

Michihiro Shibata

Shinya Ogikubo

Hisato Nagase

Tetsuro Kojima

Yoshihiro Jimbo

Kimiatsu Nomura

Hiroyuki Mifune

Masaya Nakayama

Atsuhiro Ohkawa

Shoji Ishiguro

Katsuhisa Ohzeki

Toshihide Aoshima

Akinori Fujita

Mitsuyuki Tsurumi

Yasuaki Matsushita

Yuki Matsunami

Tatsuo Kawabuchi

Koichi Hanaki

In an adhesive sheet, temperature dependence of a relative dielectric constant that is determined by a test for evaluating temperature dependence is equal to or less than 30%, and a 180&#xb0; peel strength determined by a test for evaluating adhesiveness is equal to or greater than 0.20 N/mm. The adhesive sheet can inhibit the occurrence of malfunctioning of a capacitance-type touch panel in an environment of a wide temperature range from a low temperature to a high temperature, and can be included in a laminate for a touch panel and a capacitance-type touch panel.

Adhesive sheet, laminate for touch panel, and capacitance-type touch panel

The invention provides a capacitive touch panel that hardly cause malfunction in a wide range of temperature environment from a low temperature to a high temperature. The capacitive touch panel according to the invention is a capacitive touch panel including a display device, a lower adhesive layer, a capacitive touch panel sensor, an upper adhesive layer, and a protective substrate in this order, in which a maximum value of tan &#x3c3; of the upper adhesive layer and a maximum value of tan &#x3c3; of the lower adhesive layer obtained from a temperature dependency evaluation test is 0.08 or less, and tan &#x3c3; of the lower adhesive layer at each temperature of every 20&#xb0; C. from &#x2212;40&#xb0; C. to 80&#xb0; C. is equal to or less than tan &#x3c3; of the upper adhesive layer.

Capacitive touch panel

A capacitance touch panel includes a display, a lower adhesive layer, a capacitance touch panel sensor, an upper adhesive layer, and a protective substrate, which are formed in this order. A temperature dependency of relative permittivity in the upper adhesive layer and a temperature dependency of relative permittivity in the lower adhesive layer as determined by a temperature dependency evaluation test are both up to 30%.

Capacitance touch panel

A capacitance touch panel of the invention includes a display, a lower adhesive layer, a capacitance touch panel sensor, an upper adhesive layer and a protective substrate, which are formed in this order. Relative permittivity A in the upper adhesive layer and relative permittivity B in the lower adhesive layer satisfy expression (1): [relative permittivity A&#x2267;relative permittivity B . . . (1)] at respective temperatures set in increments of 20&#xb0; C. from &#x2212;40&#xb0; C. to 80&#xb0; C., and a temperature dependency of the relative permittivity B in the lower adhesive layer as determined by a temperature dependency evaluation test is up to 30%.

A composition for forming a silver ion diffusion-suppressing layer includes an insulating resin and a compound including: a structure selected from the group consisting of a triazole structure, a thiadiazole structure and a benzimidazole structure; a mercapto group; and at least one hydrocarbon group optionally containing a heteroatom, with the total number of carbon atoms in the hydrocarbon group or groups being 5 or more. The composition for forming a silver ion diffusion-suppressing layer allows formation of a silver ion diffusion-suppressing layer capable of suppressing silver ion migration between metal interconnects containing silver or a silver alloy to improve the reliability on the insulation between the metal interconnects.

Composition for forming silver ion diffusion-suppressing layer, film for silver ion diffusion-suppressing layer, circuit board, electronic device, conductive film laminate, and touch panel

A conductive paste which can form a silver layer and a printed wiring board having a silver layer formed of the conductive paste. The conductive paste has silver particles and a migration inhibitor, which is present in the amount of 12 parts by mass to 40 parts by mass based on 100 parts by mass of the silver particles and represented by Formula (1): 

Conductive paste and printed wiring board

A microcapsule produced by a method involving a primary dispersed particle and a secondary dispersed particle, the capsule formation occurring at the interface of the secondary dispersed particle. A microcapsule containing a diazonium salt represented by a specific formula. A recording material utilizing the microcapsule.

Method for producing microcapsules, microcapsules, recording material, and heat-sensitive recording material

A diazonium salt represented by the following general formula (1) and a thermal recording material using the diazonium salt: General Formula (1) wherein Rand Reach independently represents an alkyl group, an aryl group, an acyl group, an alkoxycarbonyl group or a carbamoyl group, and Rand Rmay be linked each other to form a ring; and Rto Reach independently represents a hydrogen atom, a hydroxyl group, a halogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkylsulfonyl group, an arylsulfonyl group or a diazonio group, and at least one of R, R, Rand Rrepresents the diazonio group.

Diazonium salt and thermal recording material using the same

The present invention relates to a diazonium salt represented by the following general formula (1) and a synthesizing method thereof, as well as a recording material using the diazonium salt. In general formula (1), Rrepresents a hydrogen atom, an alkyl group or an aryl group. Rrepresents an alkyl group or an aryl group. Each of R, R, Rand Rindependently represents a hydrogen atom or a monovalent substituent. Here, at least one of R, R, Rand Rrepresents &#x2014;NX. Xrepresents an anion.

Diazonium salt, its synthesizing method and recording material

A heat-sensitive recording material including a substrate and a heat-sensitive recording layer containing a diazonium salt and a coupler, the heat-sensitive recording layer being disposed on or over the substrate, wherein the diazonium salt is a compound represented by the following general formula (1):

Heat-sensitive recording material

Disclosed is a photo- and heat-sensitive recording material comprising a substrate and a photo- and heat-sensitive recording layer formed thereon containing a diazo compound and a coupler, wherein the coupler is a compound represented by the general formula (1) or the general formula (2): ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each independently a hydrogen atom or a substituent group; and R.sup.1 and R.sup.2 may join with each other to form a ring. The reaction between the coupler represented by the general formula (2) and a specific diazo compound produces a magenta colorant having very sharp absorption characteristics. In short, the present invention provides a photo- and heat-sensitive recording material which does not inhibit the fixing and which exhibits excellent color formation, color reproduction, and image durability. Further, the present invention provides a magenta colorant which exhibits excellent absorption characteristics.

Photo-  and heat-sensitive recording material and colorant produced from

A method for producing a photographic silver halide emulsion containing silver halide grains having a silver chloride content of 50 mol % or more and at least 30% of the surface area of the grains comprising [111] faces is disclosed, wherein the silver halide grains are formed in the presence of at least one kind of compounds represented by formula (I): ##STR1## wherein R.sub.1 represents an alkyl group, an alkenyl group, or an aralkyl group; R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 each represents a hydrogen atom or a group capable of substituting for the hydrogen atom, R.sub.2 and R.sub.3, R.sub.3 and R.sub.4, R.sub.4 and R.sub.5, and R.sub.5 and R.sub.6 each may be ring-condensed, provided that at least one of R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 represents an aryl group; and X.sup.- represents a counter anion.

Production method of photographic silver halide emulsion

A method of reduction sensitization to provide a low-fog and high-speed silver halide emulsion having satisfactory preservability and a silver halide photographic material containing a silver halide emulsion having been reduction sensitized by the method are disclosed, the reduction sensitization being carried out using a compound having a group which is capable of being adsorbed onto a silver halide and a reducing group or a precursor of that compound during silver halide grain formation or after completion of grain formation.

Growing community of inventors

Kanagawa, Japan

Yasuhiro Mitamura