Silver halide light sensitive emulsion layer having enhanced
photographic sensitivity
    2.
    发明授权
    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity 失效
    具有增强的照相感光度的卤化银感光乳剂层

    公开(公告)号:US6153371A

    公开(公告)日:2000-11-28

    申请号:US118552

    申请日:1998-07-17

    IPC分类号: G03C1/10 G03C1/12 G03C1/29

    摘要: This invention comprises a photographic element comprising a support and at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula:Q-XYwherein Q represents the atoms necessary to form a chromophore comprising an amidinium-ion, a carboxyl-ion or dipolar-amidic chromophoric system when conjugated with XY, and XY is a fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein:1) XY has an oxidation potential between 0 and about 1.4 V;2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.cndot. has an oxidation potential

    摘要翻译: 本发明包括一种照相元件,其包括载体和至少一个卤化银乳剂层,其中卤化银用下式化合物敏化:Q-XY,其中Q表示形成包含脒鎓离子的发色团所需的原子, 羧基离子或偶极 - 酰胺发色体系,XY为可裂解的电子给体部分,其中X为电子给体基团,Y为氢以外的离去基团,其中:1)XY具有氧化电位 介于0和约1.4 V之间; 2)XY的氧化形式经历键断裂反应,得到基团X.和离去片段Y.在本发明的优选实施方案中,基团X的氧化势<-0.7V。

    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity
    3.
    发明授权
    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity 失效
    具有增强的照相感光度的卤化银感光乳剂层

    公开(公告)号:US06306570B1

    公开(公告)日:2001-10-23

    申请号:US09536300

    申请日:2000-03-27

    IPC分类号: G03C110

    CPC分类号: G03C1/10 G03C1/12 G03C2200/24

    摘要: A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and Z is a light absorbing group including for example cyanine dyes, complex cyanine dyes, merocyanine dyes, complex merocyanine dyes, homopolar cyanine dyes, styryl dyes, oxonol dyes, hemioxonol dyes, and hemicyanine dyes, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein: 1) XY has an oxidation potential between 0 and about 1.4 V; and 2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X• and the leaving fragment Y. In a preferred embodiment of the invention, the radical X• has an oxidation potential ≦−0.7 V.

    摘要翻译: 一种照相元件,包括至少一个卤化银乳剂层,其中卤化银用下式化合物致敏:其中A是含有至少一个促进的N,S,Se或Te原子的卤化银吸附基团 Z为吸光性基团,例如为花青染料,复合花青染料,部花菁染料,复色部花青染料,单极花青染料,苯乙烯基染料,氧杂菁染料,半氧杂菁染料,半花青染料,XY为 其中X是电子给体基团,Y是除氢以外的离去基团,其中:1)XY具有介于0和约1.4V之间的氧化电位; 和2)XY的氧化形式经历键断裂反应以得到基团X.和离去片段Y.在本发明的优选实施方案中,基团X具有<= -0.7V的氧化电位。

    Silver halide light sensitive emulsion layer having enhanced
photographic sensitivity
    5.
    发明授权
    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity 失效
    具有增强的照相感光度的卤化银感光乳剂层

    公开(公告)号:US6054260A

    公开(公告)日:2000-04-25

    申请号:US118714

    申请日:1998-07-17

    IPC分类号: G03C1/09 G03C1/10 G03C1/12

    CPC分类号: G03C1/10 G03C1/12 G03C2200/24

    摘要: A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: ##STR1## wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and Z is a light absorbing group including for example cyanine dyes, complex cyanine dyes, merocyanine dyes, complex merocyanine dyes, homopolar cyanine dyes, styryl dyes, oxonol dyes, hemioxonol dyes, and hemicyanine dyes, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein:1) XY has an oxidation potential between 0 and about 1.4 V; and2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y.In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7 V.

    摘要翻译: 一种照相元件,包括至少一个卤化银乳剂层,其中卤化银用下式化合物致敏:其中A是含有至少一个促进的N,S,Se或Te原子的卤化银吸附基团 Z为吸光性基团,例如为花青染料,复合花青染料,部花菁染料,复色部花青染料,单极花青染料,苯乙烯基染料,氧杂菁染料,半氧杂菁染料,半花青染料,XY为 其中X是电子给体基团,Y是除氢以外的离去基团,其中:1)XY具有介于0和约1.4V之间的氧化电位; 和2)XY的氧化形式经历键断裂反应,得到基团X.和离去片段Y.在本发明的一个优选实施方案中,基团X的氧化电势为-0.7V。

    Silver halide light sensitive emulsion layer having enhanced
photographic sensitivity
    6.
    发明授权
    Silver halide light sensitive emulsion layer having enhanced photographic sensitivity 失效
    具有增强的照相感光度的卤化银感光乳剂层

    公开(公告)号:US5747235A

    公开(公告)日:1998-05-05

    申请号:US739921

    申请日:1996-10-30

    CPC分类号: G03C1/09 G03C1/10 G03C2200/24

    摘要: A photographic element comprising at least one silver halide emulsion layer in which the silver halide is sensitized with a compound of the formula: ##STR1## wherein A is a silver halide adsorptive group that contains at least one atom of N, S, Se, or Te that promotes adsorption to silver halide, and L represents a linking group containing at least one C, N, S or O atom, k is 1 or 2, and XY is an fragmentable electron donor moiety in which X is an electron donor group and Y is a leaving group other than hydrogen, and wherein: 1) XY has an oxidation potential between 0 and about 1-4 V; and 2) the oxidized form of XY undergoes a bond cleavage reaction to give the radical X.sup..cndot. and the leaving fragment Y. In a preferred embodiment of the invention, the radical X.sup..cndot. has an oxidation potential .ltoreq.-0.7V.

    摘要翻译: 一种照相元件,包括至少一个卤化银乳剂层,其中卤化银用下列化学式的化合物敏化:含有至少一个促进对卤化银吸附的N,S,Se或Te原子,L和 表示含有至少一个C,N,S或O原子的连接基团,k为1或2,XY为可裂解的电子给体部分,其中X为电子给体基团,Y为氢以外的离去基团, 其中:1)XY具有介于0和约1-4V之间的氧化电位; 和2)XY的氧化形式经历键断裂反应以得到基团X.和离去片段Y.在本发明的一个优选实施方案中,基团X的氧化势为-0.7V。

    Imaging process based on change of optical covering power
    8.
    发明授权
    Imaging process based on change of optical covering power 失效
    基于光学覆盖功率变化的成像过程

    公开(公告)号:US5985526A

    公开(公告)日:1999-11-16

    申请号:US100215

    申请日:1998-06-19

    CPC分类号: B41M5/267 Y10S430/165

    摘要: A method of forming an image comprising imagewise-exposing a thermal recording element to heat, the element comprising a support having thereon a thermally-sensitive layer comprising particles containing a colorant, the particles having a particle size between about 1 and about 25 .mu.m suspended in a matrix, the layer having an optical density no higher than about 0.5, the heating thereby causing the colorant to spread out from the particles into the matrix, thus increasing the optical density in the imagewise-exposed areas.

    摘要翻译: 一种形成图像的方法,该图像包括成像曝光热敏记录元件以加热,所述元件包括其上具有包含着色剂的颗粒的热敏层的载体,所述颗粒具有约1至约25μm的粒度悬浮 在矩阵中,具有不高于约0.5的光密度的层,加热从而使着色剂从颗粒扩散到基质中,从而增加了成像曝光区域中的光密度。

    Optical recording media with triplet-sensitized isomerization
    9.
    发明授权
    Optical recording media with triplet-sensitized isomerization 失效
    具有三重敏感异构化的光学记录介质

    公开(公告)号:US07459263B2

    公开(公告)日:2008-12-02

    申请号:US10944580

    申请日:2004-09-17

    IPC分类号: G11B7/24

    摘要: The invention relates to an optical recording material comprising: a polymeric matrix; a dewarbenzene derivative reactant capable of undergoing isomerization to a benzene product upon triplet excitation, thereby causing a change in optical properties; and a sensitizer capable of absorbing actinic radiation to cause triplet energy transfer to said reactant, wherein the algebraic sum of the excitation energy of said sensitizer and its reduction potential is at least 0.05 eV less than the oxidation potential of said reactant, thereby precluding one-electron oxidation of said reactant. The invention further relates to an optical device comprising regional variations in concentrations of reactants and products produced by triplet chain isomerization, thereby providing a pattern of intelligence.

    摘要翻译: 本发明涉及一种光学记录材料,包括:聚合物基体; 能够在三重激发时进行苯产物异构化的杜烷苯衍生物反应物,从而引起光学性能的变化; 以及能够吸收光化辐射以使三重态能量转移到所述反应物的敏化剂,其中所述敏化剂的激发能和其还原电位的代数之和小于所述反应物的氧化电位至少0.05eV, 所述反应物的电子氧化。 本发明还涉及一种光学装置,其包括通过三线态异构化产生的反应物和产物的浓度的区域变化,从而提供智力模式。

    Negative working photoresists responsive to longer wavelengths and novel
coated articles
    10.
    发明授权
    Negative working photoresists responsive to longer wavelengths and novel coated articles 失效
    负性工作的光致抗蚀剂响应更长的波长和新颖的涂层制品

    公开(公告)号:US4743530A

    公开(公告)日:1988-05-10

    申请号:US933660

    申请日:1986-11-21

    IPC分类号: C08F2/50 G03F7/031 G03C1/76

    摘要: A negative working photoresist is disclosed responsive to imaging radiation of a wavelength longer than 550 nm comprised of an organic film forming component containing ethylenic unsaturation and capable of selective immobilization by addition at the site of ethylenic unsaturation and activator and photosensitizer coinitiators for ethylenic addition. The activator is an azinium salt activator, and the photosensitizer is a dye having its principal absorption peak at a wavelength longer than 550 nm and having a reduction potential which in relation to that of said azinium salt activator is at most 0.1 volt more positive.

    摘要翻译: 公开了一种负光致抗蚀剂,其响应于包含含有烯属不饱和键的有机成膜组分的波长超过550nm的成像辐射,并且能够通过在烯属不饱和位置加入而选择性地固定,并且用于乙烯添加的活化剂和光敏剂共引发剂。 活化剂是吖嗪盐活化剂,并且光敏剂是其波长比550nm长的主要吸收峰并且具有与所述氮鎓盐活化剂相关的还原电位至多为0.1伏更多正电荷的还原电位的染料。