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1. 发明授权

US5476761A Preparation method of regular silver (halide) bromide or silver bromoiodide light-sensitive emulsions and material comprising said emulsions 失效
标题翻译：规则的溴化银（卤化物）或溴碘化银感光乳剂和包含所述乳液的材料的制备方法
公开(公告)号：US5476761A
公开(公告)日：1995-12-19
申请号：US304473
申请日：1994-09-12
申请人： Ann Verbeeck , Hubert Vandenabeele
发明人： Ann Verbeeck , Hubert Vandenabeele
IPC分类号： G03C1/00 , G03C1/015 , G03C1/025 , G03C1/035 , G03C1/04 , G03C1/07
CPC分类号： G03C1/015 , G03C1/04 , G03C1/07 , G03C2001/0157 , Y10S430/167
摘要： A method is disclosed to prepare a light-sensitive regular silver bromide or silver bromoiodide emulsion, wherein said method comprises the following the steps:precipitating silver bromide or silver bromoiodide by means of the double-jet or triple-jet technique in colloidal silica having a particle size from 0.003 .mu.m to 0.30 .mu.m as a protective colloid in the absence of any polymeric compound(s) comprising gelatin or its derivatives capable of forming hydrogen bridges with colloidal silica, except for polythioether compounds, but always in the presence of an onium compound, except for an ammonium compound, wherein the ratio by weight of said colloidal silica to the said onium compound(s) is between 3 and 30, and, optionally, in the presence of a crystal growth modifier,controlling the nucleation and growth steps by means of variable flow rate(s) of the aqueous solutions of silver nitrate and halide salts and/or by means of constant pAg-values during the said steps in the vessel in order to determine the number of nuclei quantitatively in the nucleation step and to avoid renucleation in the growth step,desalting the reaction medium and redispersing the silver halide,chemically ripening the silver halide crystals andadjusting the ratio by weight of the colloidal silica sol to the amount of silver halide, expressed as the equivalent amount of silver nitrate to a value of at least 0.03 at every moment throughout the precipitation stage.
摘要翻译：公开了一种制备感光常规溴化银或溴碘化银乳剂的方法，其中所述方法包括以下步骤：通过双喷射或三射喷射技术在溴化银或三溴喷枪中沉淀溴化银或溴碘化银，其具有粒径为0.003μm至0.30μm，作为保护胶体，不存在任何含有胶体二氧化硅的能形成氢桥的明胶或其衍生物的高分子化合物，除了聚硫醚化合物外，总是存在鎓化合物，除了铵化合物，其中所述胶体二氧化硅与所述鎓化合物的重量比在3和30之间，并且任选地在晶体生长调节剂的存在下，控制成核和生长通过硝酸银和卤化物盐的水溶液的可变流速和/或通过在容器中的所述步骤期间的恒定的pAg值来步骤为了在成核步骤中定量确定核数，并且避免生长步骤中的脱核，脱盐反应介质并再分散卤化银，化学成熟卤化银晶体并调节胶体二氧化硅溶胶的重量比在整个沉淀阶段的每一刻，卤化银的用量表示为硝酸银的当量，至少为0.03。

2. 发明授权

US06379877B1 Method for developing an exposed photographic silver halide material 失效
标题翻译：用于显影曝光的照相卤化银材料的方法
公开(公告)号：US06379877B1
公开(公告)日：2002-04-30
申请号：US08594721
申请日：1996-01-31
申请人： Freddy Henderickx , Ann Verbeeck , Pascal Meeus , Hieronymus Andriessen
发明人： Freddy Henderickx , Ann Verbeeck , Pascal Meeus , Hieronymus Andriessen
IPC分类号： G03C530
CPC分类号： G03C5/383 , G03C5/30 , G03C8/365
摘要： According to this invention a developer has been disclosed having a low pH value between 9.6 and 11.0, preferably between 9.6 and 10.3, and comprising hydroquinone in an amount from 0 to less than 30 g per liter, an auxiliary developing agent, and as silver halide complexing agents alkali metal sulphite salts, preferably sodium salts, in an amount from 0 to less than 50 g per liter, more preferably to less than 40 g per liter, and thiocyanate salts in amounts from 0.1 to 3 g, more preferably from 0.5 to 2.5 g per liter, and at least 1 g of a compound corresponding to the formula (I), a precursor thereof, a derivative thereof and/or a metal salt thereof wherein each of A, B and D independently represents an oxygen atom or NR1; X represents an oxygen atom, a sulphur atom, NR2; CR3R4; C═O; C═NR5 or C═S; Y represents an oxygen atom, a sulphur atom, NR′2; CR′3R′4; C═O; C═NR′5 or C═S; Z represents an oxygen atom, a sulphur atom, NR″2; CR″3R″4; C═O; C═NR″5 or C═S; n equals 0, 1 or 2; each of R1 to R5, R′1 to R′5 and R″1 to R″5, independently represents hydrogen, subsituted or unsubstituted alkyl, aralkyl, hydroxyalkyl, carboxyalkyl; substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted aryl or substituted or unsubstituted heterocyclyl; and wherein R3 and R4, R′3 and R′4, R″3 and R″4, may further form together a ring; and wherein in the case that X═CR3R4 and Y═CR′3R′4, R3 and R′3 and/or R4 and R′4 may form a ring and wherein in the case that Y═CR′3R′4 and Z═CR″3R″4 with n=1 or 2, R′3 and R″3 and/or R′4 and R″4 may form a ring.
摘要翻译：根据本发明，已经公开了具有9.6至11.0之间的低pH值，优选9.6至10.3的显影剂，并且包含量为0至小于30g /升的氢醌，辅助显影剂和卤化银络合剂碱金属亚硫酸盐，优选钠盐，其量为0至小于50克/升，更优选至少于40克/升，硫氰酸盐的量为0.1至3克，更优选为0.5至 2.5g /升，和至少1g对应于式（I）的化合物，其前体，其衍生物和/或其金属盐，其中A，B和D的独立地表示氧原子或NR 1; X 表示氧原子，硫原子，NR 2; CR3R4; C = O; C = NR5或C = S; Y表示氧原子，硫原子，NR'2; CR'3R'4; C = O; C = NR'5或C = S; Z表示氧原子，硫原子，NR'2; CR''3R''4; C = O; C = NR''5或C = S; n等于0,1或2; R1至R5，R'1至R'5和R'1至R'5各自独立地表示氢，取代或未取代的烷基，芳烷基，羟基烷基，羧基烷基; 取代或未取代的烯基，取代或未取代的炔基，取代或未取代的环烷基，取代或未取代的环烯基，取代或未取代的芳基或取代或未取代的杂环基; 并且其中R 3和R 4，R'3和R'4，R“3和R”4可进一步一起形成环; 并且在X = CR 3 R 4和Y = CR 3 R 4的情况下，R 3和R'3和/或R 4和R'4可以形成环，并且其中在Y = CR'3R'4和Z = 具有n = 1或2的CR''3R''4，R'3和R'3和/或R'4和R'4可以形成环。

3. 发明授权

US06348293B1 Radiographic film material exhibiting increased covering power and “colder” blue-black image tone 失效
标题翻译：显示增加覆盖力和“较冷”的蓝黑色图像色调的放射照相胶片材料
公开(公告)号：US06348293B1
公开(公告)日：2002-02-19
申请号：US09715020
申请日：2000-11-20
申请人： Ann Verbeeck , Johan Loccufier , Govert De Baecke , Freddy Henderickx , Heinrich Odenwälder
发明人： Ann Verbeeck , Johan Loccufier , Govert De Baecke , Freddy Henderickx , Heinrich Odenwälder
IPC分类号： G03C1035
CPC分类号： G03C1/355 , G03C1/7614 , G03C5/16 , G03C2200/40 , Y10S430/166 , Y10S430/167 , Y10S430/168
摘要： A radiographic film material is described including a transparent film support having first and second major surfaces coated with a subbing layer, optionally overcoated with an antihalation undercoat. Coated adjacent on each side of the film support is a light-sensitive silver halide emulsion overcoated with a protective antistress layer. The emulsion layer has chemically and spectrally sensitized {111} tabular hexagonal grains or crystals, having silver iodide in an amount of at most 3 mole %, based on silver, covering at least 50% of the total projective surface of all grains, having an average grain thickness of less than 0.30 &mgr;m. The antistress layer, or the optional antihalation undercoat or both includes a N-amino mercapto-triazole compound containing one or more alkali soluble group(s). A radiographic screen/film combination is also described including the film material.
摘要翻译：描述了一种射线照相胶片材料，其包括具有涂覆有底层的第一和第二主表面的透明膜载体，任选地用防晕晕底涂层涂覆。在膜载体的每一侧上涂覆相邻的是具有保护性抗静电层的感光卤化银乳剂。乳剂层具有化学和光谱增感的{111}平板状六边形晶粒或晶体，其银以银计最多为3摩尔％的碘化银，覆盖所有晶粒的总投影表面的至少50％，其具有平均颗粒厚度小于0.30μm。防静电层或任选的防晕底漆或二者均包括含有一个或多个碱溶性基团的N-氨基巯基 - 三唑化合物。还描述了包括膜材料的射线照相屏/膜组合。

4. 发明授权

US5543284A Preparation method of regular silver halide light-sensitive emulsions comprising silver halide crystals rich in chloride and material comprising said emulsions 失效
标题翻译：包含含有氯化物的卤化银晶体和包含所述乳液的材料的常规卤化银感光乳剂的制备方法
公开(公告)号：US5543284A
公开(公告)日：1996-08-06
申请号：US417953
申请日：1995-04-06
申请人： Ann Verbeeck
发明人： Ann Verbeeck
IPC分类号： G03C1/015 , G03C1/035 , G03C1/04 , G03C1/07 , G03C1/32
CPC分类号： G03C1/04 , G03C1/015 , G03C1/07
摘要： A method is disclosed to prepare a photographic light-sensitive silver halide emulsion, containing regular silver halide crystals rich in chloride having a predictable size distribution and wherein said method comprises the steps of precipitating silver halide crystals rich in chloride by means of the double-jet or triple-jet technique in colloidal silica having a particle size from 0.003 .mu.m to 0.30 .mu.m as a protective colloid in the absence of any polymeric compound(s) capable of forming hydrogen bridges with colloidal silica, but always in the presence of an onium compound, wherein the ratio by weight of said colloidal silica to the said onium compound(s) is between 3 and 75; controlling the nucleation and growth steps by means of variable flow rate(s) of the aqueous solutions of silver nitrate and chloride containing salts, and/or by means of constant pAg-values during said steps in the vessel in order to determine the number of nuclei quantitatively in the nucleation step and to avoid renucleation in the growth step, and wherein at every moment the total amount of monovalent ions of the electrolyte present during both steps is less than 1.0 molar; desalting the reaction medium and redispersing the silver halide, chemically ripening the silver halide crystals rich in chloride and adjusting the ratio by weight of the colloidal silica sol to the amount of silver halide, expressed as the equivalent amount of silver nitrate to a value of at least 0.03 at every moment throughout the precipitation stage.
摘要翻译：公开了一种制备照相感光卤化银乳剂的方法，其含有具有可预测尺寸分布的富含氯化物的规则卤化银晶体，并且其中所述方法包括通过双喷射沉淀富含氯化物的卤化银晶体或三次喷射技术在胶态二氧化硅中的粒径为0.003μm至0.30μm作为保护胶体，在不存在能够用胶体二氧化硅形成氢桥的任何聚合物的情况下，但总是存在鎓化合物，其中所述胶体二氧化硅与所述鎓化合物的重量比在3和75之间; 通过硝酸银和含氯化物盐的水溶液的可变流速和/或通过在容器中的所述步骤期间的恒定的pAg值来控制成核和生长步骤，以确定在成核步骤中定量地确定核，并避免生长步骤中的脱核，并且其中在两个步骤中存在的电解液中的每一时刻的总量的电荷量小于1.0摩尔; 脱盐反应介质并重新分散卤化银，化学成熟富含氯化物的卤化银晶体，并将胶体二氧化硅溶胶的重量比与卤化银的用量（以等于硝酸银的当量计）表示为在整个降水阶段的每一刻都至少要0.03。

5. 发明授权

US5498517A Process for the preparation of a hybrid direct positive emulsion and photographic material containing such an emulsion 失效
标题翻译：用于制备混合直接阳性乳液和含有这种乳液的照相材料的方法
公开(公告)号：US5498517A
公开(公告)日：1996-03-12
申请号：US315449
申请日：1994-09-30
申请人： Ann Verbeeck , Kris Viaene
发明人： Ann Verbeeck , Kris Viaene
IPC分类号： G03C1/015 , G03C1/035 , G03C1/07 , G03C1/22 , G03C1/485 , G03C1/005
CPC分类号： G03C1/48515 , G03C1/035 , G03C1/22
摘要： A process is disclosed for the preparation of a hybrid direct positive silver halide emulsion comprising the steps of (1) forming an essentially cubic host grain emulsion consisting of silver bromide or silver iodobromide, with a iodide content between 0 and 10 mole %, by a balanced double jet, (2) depositing epitaxially on the corners of said formed essentially cubic host grains a silver iodide crystallographic phase wherein said silver iodide phase contains at most 5 % of the total crystal silver halide, either by precipitating a silver chloride epitaxial phase and converting it to silver iodide, or by adding silver ions and an organic iodide releaser.The organic iodide releaser is preferably mono-iodoacetic acid.
摘要翻译：公开了一种用于制备混合直接正卤化银乳剂的方法，包括以下步骤：（1）通过以下步骤形成由碘化银含量为0至10摩尔％的溴化银或碘溴化银组成的基本上立方体的主体颗粒乳剂（2）在所形成的基本上立方的主体颗粒的角上外延沉积碘化银结晶相，其中所述碘化银相含有总结晶卤化银的至多5％，通过沉淀氯化银外延相和将其转化为碘化银，或加入银离子和有机碘化物释放剂。有机碘化物释放剂优选为单碘代乙酸。

6. 发明授权

US06472137B1 Light-sensitive silver halide photographic film material and radiographic intensifying screen-film combination 有权
标题翻译：感光卤化银照相胶片材料和放射照相增强屏幕膜组合
公开(公告)号：US06472137B1
公开(公告)日：2002-10-29
申请号：US09709628
申请日：2000-11-13
申请人： Ann Verbeeck , Paul Callant , Freddy Henderickx
发明人： Ann Verbeeck , Paul Callant , Freddy Henderickx
IPC分类号： G03C1005
CPC分类号： G03C5/16 , G03C1/0051 , G03C1/122 , G03C1/29 , Y10S430/167
摘要： A light-sensitive silver halide photographic film material has been provided, said film material comprising a transparent support and on both sides thereof at least one light-sensitive emulsion layer having spectrally and chemically sensitized tabular silver halide grains rich in silver bromide, further having silver iodide in an amount of less than 3 mole % based on silver, with two flat parallel {111} crystal faces, said grains accounting for a total projective surface of said parallel crystal faces in said emulsion of at least 50%, further having an average aspect ratio of at least 2:1, a grain thickness of from 0.05 up to 0.15 &mgr;m, a site-directing azacyanine compound satisfying the general formulae disclosed herein in an amount of not less than 1×10−4 mole per mole of silver halide coated and one or more J-aggregating spectrally sensitizing dye(s), wherein a molar ratio amount between said site directing compound and said J-aggregating spectrally sensitizing dye(s) is at least 1:6 for a grain coverage of said {111} tabular grains exceeding 50%. A radiographic screen/film combination has also been described comprising said light-sensitive silver halide photographic film material and two supporting or self-supporting X-ray intensifying screens) comprising luminescent phosphors, wherein by contacting the film material with a sandwich of a pair of said intensifying screens and exposing said combination to X-rays, emission of radiation by said luminescent phosphors in the wavelength range for which said material has been made spectrally sensitive provides a black-and-white diagnostic image after processing of said exposed radiographic film material.
摘要翻译：已经提供了感光卤化银照相胶片材料，所述胶片材料包括透明支撑体，并且在其两侧上具有至少一个感光乳剂层，其具有富含溴化银的光谱和化学增感的片状卤化银颗粒，还具有银碘化物的量小于3摩尔％，具有两个平的平行{111}晶面，所述颗粒占所述乳液中所述平行晶面的总投影面至少为50％，进一步具有平均纵横比为至少2:1，晶粒厚度为0.05至0.15μm，位置引导的氮杂菁化合物，其满足本文公开的通式，其用量为每摩尔卤化银涂层不小于1×10 -4摩尔，一种或多种J聚集光谱增感染料，其中所述位点引导化合物和所述J-聚集光谱增感染料之间的摩尔比为至少1:6 所述{111}片状晶粒的晶粒覆盖率超过50％。还描述了包括所述感光卤化银照相胶片材料和两种支撑或自支撑X射线增强屏幕的放射照相屏/膜组合，其包含发光荧光体，其中通过使膜材料与一对所述增强屏幕的夹层接触并将所述组合暴露于X射线，所述发光荧光体在所述材料已经被制成光谱敏感的波长范围内的发射由黑色处理所述暴露的放射线照相胶片材料之后的白色诊断图像。

7. 发明授权

US5989799A Radiographic UV/blue intensifying screen-film combination 失效
标题翻译：射线照相UV /蓝色增强屏幕膜组合
公开(公告)号：US5989799A
公开(公告)日：1999-11-23
申请号：US99325
申请日：1998-06-18
申请人： Ann Verbeeck , Peter Verrept , Paul Callant , Koenraad Caron
发明人： Ann Verbeeck , Peter Verrept , Paul Callant , Koenraad Caron
IPC分类号： G21K4/00 , G03C1/005 , G03C1/035 , G03C1/10 , G03C1/12 , G03C5/17
CPC分类号： G03C1/0053 , G03C1/122 , G03C5/17 , G03C2200/03 , Y10S430/167
摘要： A radiographic screen/film combination or system has been provided comprising a duplitized film sandwiched between a pair of supporting or self-supporting X-ray intensifying screens, characterized in that i) said pair of supported or self-supporting X-ray intensifying screens essentially consists of luminescent phosphor particles emitting at least 50% and more preferably at least 80% of their emitted radiation in the wavelength range shorter than 380 nm, as e.g. a niobium and gadolinium doped, monoclinic M, yttriumtantalate (MYT) phosphor corresponding to formula IYTaO.sub.4 :Gd:Nb (I),ii) said film comprises {111} tabular silver halide grains rich in silver chloride, spectrally sensitive to irradiation in the said wavelength range shorter than 380 nm by the presence of at least one azacyanine dye as a spectral sensitizer.
摘要翻译：已经提供了包括夹在一对支撑或自支撑X射线增强屏之间的双面胶片的射线照相屏/膜组合或系统，其特征在于i）所述一对支撑或自支撑X射线增强屏本质上由发射荧光体颗粒的发射波长范围小于380nm的发射辐射的至少50％，更优选至少80％，例如对应于式IYTaO4：Gd：Nb（I）的铌和钆掺杂的单斜晶M，钇钽酸盐（MYT）荧光体，ii）所述薄膜包含富含氯化银的{111}片状卤化银颗粒，对所述通过存在至少一种氮杂菁染料作为光谱增感剂，波长范围短于380nm。

8. 发明授权

US5912108A Processing of a light-sensitive silver halide photographic material 失效
标题翻译：感光卤化银照相材料的加工
公开(公告)号：US5912108A
公开(公告)日：1999-06-15
申请号：US991345
申请日：1997-12-16
申请人： Ann Verbeeck , Peter Verrept , Freddy Henderickx
发明人： Ann Verbeeck , Peter Verrept , Freddy Henderickx
IPC分类号： G03C5/26 , G03C1/005 , G03C1/035 , G03C5/305 , G03C5/31 , G03C5/29
CPC分类号： G03C1/0053 , G03C5/305 , G03C5/26 , G03C5/31
摘要： A method has been disclosed of processing an image-wise exposed light-sensitive black-and-white silver halide photographic material comprising a support coated on one or both sides thereof with hydrophilic layers, wherein at least one of said layers comprises one or more emulsions having tabular silver halide crystals rich in silver chloride, said method comprising the steps of developing, fixing, rinsing and drying, further characterized in that said developing step proceeds in a black-and-white developer comprising one or more organic compounds inhibiting development, more preferably one or more benzotriazole compounds, and in that said developer is substantially free from bromide ions in favor of a low fog level, a high speed and a sufficiently high covering power of the developed tabular grains.
摘要翻译：已经公开了一种处理图像曝光的感光黑白卤化银照相材料的方法，其包括在其一侧或两侧上涂覆有亲水层的载体，其中所述层中的至少一层包含一种或多种乳液具有富含氯化银的片状卤化银晶体，所述方法包括显影，定影，漂洗和干燥的步骤，其特征还在于所述显影步骤在包含一种或多种抑制显影的有机化合物的黑白显影剂中进行，更多优选一种或多种苯并三唑化合物，并且所述显影剂基本上不含溴离子，有利于显影的片状颗粒的低雾度，高速度和足够高的覆盖力。

9. 发明授权

US5604082A Method for processing an exposed photographic silver halide material 失效
标题翻译：处理曝光的照相卤化银材料的方法
公开(公告)号：US5604082A
公开(公告)日：1997-02-18
申请号：US594722
申请日：1996-01-31
申请人： Freddy Henderickx , Hieronymus Andriessen , Ann Verbeeck
发明人： Freddy Henderickx , Hieronymus Andriessen , Ann Verbeeck
IPC分类号： G03C5/29 , G03C1/005 , G03C1/035 , G03C5/30 , G03C5/305
CPC分类号： G03C1/0053 , G03C5/305 , G03C2200/01 , G03C2200/03 , G03C5/30
摘要： A method has been disclosed of processing an exposed silver halide photographic material comprising at least one coated hydrophilic silver halide emulsion layer comprising tabular grains rich in chloride, bounded by [100] or [111] major faces, characterized by the steps of developing, followed by fixing, rinsing and drying the said material, wherein developing proceeds in a developer, comprising hydroquinone in an amount from 0 to 30 g per liter, an auxiliary developer, as silver halide complexing agents alkali metal sulphite salts in an amount from 1 to 50 g per liter, at least 1 g of a compound corresponding to the formula (I), a precursor thereof, a derivative thereof and/or a metal salt thereof ##STR1## wherein the substituents are defined in the main embodiment of the specification.
摘要翻译：已经公开了一种处理曝光的卤化银照相材料的方法，该材料包含至少一个涂覆的亲水性卤化银乳剂层，其包含由[100]或[111]主面限定的富含氯化物的片状颗粒，其特征在于以下步骤：通过固定，漂洗和干燥所述材料，其中显影在显影剂中进行，其包含量为0至30g /升的对苯二酚，辅助显影剂，卤化银配合剂碱金属亚硫酸盐，其量为1至50 g，至少1g对应于式（I）的化合物，其前体，其衍生物和/或其金属盐，其中取代基在主要实施方案中定义规范。

10. 发明授权

US5478718A Preparation of silver halide tabular emulsions in the presence of non-aqueous polar aprotic solvents and/or protic solvents having a dissociation constant smaller than that of water 失效
标题翻译：在非水性极性非质子溶剂和/或质子溶剂的存在下制备卤化银片状乳液，其解离常数小于水
公开(公告)号：US5478718A
公开(公告)日：1995-12-26
申请号：US374178
申请日：1995-01-18
申请人： Ann Verbeeck , Angel Millan
发明人： Ann Verbeeck , Angel Millan
IPC分类号： G03C1/015 , G03C1/005 , G03C1/035 , G03C1/06 , G03C1/07
CPC分类号： G03C1/0051
摘要： A method has been found for the preparation of tabular silver halide emulsions having a tabularity, defined as the ratio between the aspect ratio and the thickness of the emulsion crystals, of at least 25 and a homogeniety of the distribution of said silver halide emulsion crystals, defined as a hundred times the ratio between the standard deviation and the average projective crystal diameter of said crystals of less than 30, characterized by the steps of forming silver halide grain nuclei by introduction of an aqueous silver salt solution and an aqueous halide salt solution, both solutions optionally comprising at least one non-aqueous solvent, in a reaction vessel containing water, a protective colloid and at least one non-aqueous aprotic solvent or a protic solvent having a dissociation constant smaller than that of water in a ratio by weight of solvent versus water from 5 to 60%; adding an aqueous silver salt solution and an aqueous halide salt solution to the said reaction vessel containing the said silver halide grain nuclei at a pBr value higher than 2.0; flocculating the grown silver halide emulsion grains; washing and redispersing them.
摘要翻译：已经发现制备具有平板状的片状卤化银乳剂的方法，其定义为乳液晶体的纵横比和厚度之比至少为25，并且所述卤化银乳剂晶体的分布的均匀性，定义为所述晶体的标准偏差和平均投影晶体直径之比小于30的百倍，其特征在于通过引入银盐水溶液和卤化物水溶液形成卤化银颗粒核的步骤，两种溶液任选地包含至少一种非水溶剂，在含有水的反应容器中，保护胶体和至少一种非水性非质子溶剂或质子溶剂，其解离常数小于水的解离常数，其重量比溶剂与水的比例为5至60％; 在含有所述卤化银颗粒核的所述反应容器中以高于2.0的pBr值加入银盐溶液和卤水盐溶液; 絮凝生长的卤化银乳剂颗粒; 洗涤和再分散它们。

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