Ultrasonic imaging of internally fogged silver halide elements

A process of producing an ultrasonographic image in an element comprised of a support and, coated thereon, a silver halide emulsion layer containing internally fogged silver halide grains, comprising

• contacting the element with a transport liquid in the presence of a diffusible solute capable of rendering the internally fogged silver halide grains, after contact with the solute, developable in a surface developer,
• exposing the element to ultrasound in an image pattern to accelerate imagewise diffusion of the solute into contact with the internally fogged silver halide grains, and
• thereafter developing the internally fogged silver halide grains contacted with the solute in response to ultrasound exposure with a surface developer to produce a visible image defined by the imagewise pattern of ultrasonic exposure.

A process of producing an ultrasonographic image in an element comprised of a support and at least one silver halide emulsion layer containing a vehicle and internally fogged converted-halide silver halide grains which are at least 50 mole percent bromide and up to 10 mole percent iodide, based on total halide, any remaining halide being chloride, comprising

• contacting the emulsion layer with a transport liquid containing iodide ions in a concentration of from 100 to 1000 mg per liter of transport liquid,
• exposing the element to ultrasound in an image pattern to accelerate imagewise diffusion of the iodide ions into contact with the internally fogged silver halide grains, ultrasound exposure being at an intensity and for a duration which, in the presence of the iodide ions, is sufficient to increase the development response of the emulsion layer, but which, in the absence of the iodide ions, is insufficient to increase the development response of the emulsion layer, and
• developing the internally fogged converted-halide silver halide grains contacted with the iodide ions in response to ultrasound exposure to produce a visible image defined by the imagewise pattern of ultrasonic exposure.

A process of producing an ultrasonographic image in an element comprised of a support and at least one silver halide emulsion layer containing a vehicle and internally fogged silver halide grains, comprising

• contacting the emulsion layer with a transport liquid in the presence of from 0.1 to 30 grams per liter of thiocyanate or thiosulfate ions,
• exposing the element to ultrasound in an image pattern to accelerate imagewise diffusion of the iodide ions into contact with the internally fogged silver halide grains, ultrasound exposure being at an intensity and for a duration which, in the presence of the thiocyanate or thiosulfate ions, is sufficient to increase the development response of the emulsion layer, but which, in the absence of the thiocyanate or thiosulfate ions, is insufficient to increase the development response of the emulsion layer, and
• developing the internally fogged silver halide grains contacted with the thiocyanate or thiosulfate ions in response to ultrasound exposure to produce a visible image defined by the imagewise pattern of ultrasonic exposure.

A process of producing an ultrasonographic image in an element comprised of a support and at least one silver halide emulsion layer containing a vehicle and internally fogged silver halide grains which are at least 50 mole percent silver chloride, based on total silver halide, comprising

• contacting the emulsion layer with a transport liquid in the presence of from 10 to 50 grams per liter of sulfite ions,
• exposing the element to ultrasound in an image pattern to accelerate imagewise diffusion of sulfite ions into contact with the internally fogged silver halide grains, ultrasound exposure being at an intensity and for a duration which, in the presence of sulfite ions, is sufficient to increase the development response of the emulsion layer, but which, in the absence of the sulfite ions, is insufficient to increase the development response of the emulsion layer, and
• developing the internally fogged silver halide grains contacted with the sulfite ions in response to ultrasound exposure to produce a visible image defined by the imagewise pattern of ultrasonic exposure.