Silver halide photographic material
AssigneeFuji Photo Film Co., Ltd.
InventorsYosuke Nishiura, Yukio Shinagawa, Kiyokazu Hashimoto, Junichi Yamanouchi, Yasuo Mukunoki
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Abstract
A silver halide light-sensitive material is described, including an embodiment containing a polyester film support having thereon at least one light-sensitive layer, wherein the polyester film support satisfies the following relationships: Tg.ltoreq.32.1A.sup.2 +55 X.gtoreq.-0.74Tg+71.7 wherein Tg is a glass transition temperature (.degree.C.); A is an equivalent water content (%) after moisture conditioning at 25.degree. C. and 50% RH for 10 days; and X is a degree of crystallinity.
Claims20
A silver halide photographic material comprising on a polyester film support at least one light-sensitive layer, wherein said polyester film support satisfies the following relationships:
- Tg.ltoreq.32.1A.sup.2 +55
- X.gtoreq.31 0.74Tg+71.7
- wherein Tg is glass transition temperature (.degree.C.);
- A is equilibrium water content (%) after moisture conditioning at 25.degree. C. and 50% RH for 10 days;
- and X is degree of crystallinity;
- wherein said silver halide photographic material further comprises on at least one side of the support a magnetic recording layer containing a ferromagnetic powder in an amount of 4.times.10.sup.-3 to 1 g per m.sup.2 of the support and having a coercive force of not less than 400 Oe coated over the surface of said side or coated in stripes, and said silver halide photographic material is a roll film in a cartridge system wherein the end of the roll film wound around a spool is fed out of a cartridge body from a film outlet by turning the spool rotatably attached to the cartridge body in the film feed direction;
- and
- wherein a pair of ribs are provided on the inner side of the cartridge body.
A silver halide photographic material comprising on a polyester film support at least one photographic layer, wherein said polyester film support satisfies the following relationships:
- Tg.ltoreq.32.1A.sup.2 +55
- X.gtoreq.-0.74Tg+71.7
- S.gtoreq.13
- T.ltoreq.0.25
- K.gtoreq.80
- wherein Tg is glass transition temperature (.degree.C.);
- A is equilibrium water content (%) after moisture conditioning at 25.degree. C. and 50% RH for 10 days;
- X is degree of crystallinity;
- S is stiffness (g) with a thickness of 70 .mu.m;
- T is average percent thermal resistance (%) in the transverse direction and the machine direction;
- and K is percent transmission (%) at a wavelength of 400 nm;
- wherein said silver halide photographic material further comprises on at least one side of the support a magnetic recording layer containing a ferromagnetic powder in an amount of 4.times.10.sup.-3 to 1 g per m.sup.2 of the support and having a coercive force of not less than 400 Oe coated over the surface of said side or coated in stripes, and said silver halide photographic material is a roll film in a cartridge system wherein the end of the roll film wound around a spool is fed out of a cartridge body from a film outlet by turning the spool rotatably attached to the cartridge body in the film feed direction;
- and
- wherein a pair of ribs are provided on the inner side of the cartridge body.
A silver halide photographic material comprising on a polyester film support at least one light-sensitive layer, wherein said polyester film support comprises a mixture of (i) polyethylene terephthalate and (ii) a polyester having a hydrophilic group;
- and
- wherein said silver halide photographic material further comprises on at least one side of the support a magnetic recording layer containing a ferromagnetic powder in an amount of 4.times.10.sup.-3 to 1 g per m.sup.2 of the support and having a coercive force of not less than 400 Oe coated over the surface of said side or coated in stripes, and said silver halide photographic material is a roll film in a cartridge system wherein the end of the roll film wound around a spool is fed out of a cartridge body from a film outlet by turning the spool rotatably attached to the cartridge body in the film feed direction.
A silver halide photographic material comprising on a polyester film support at least one light-sensitive layer, wherein said polyester film support is a laminate film composed of at least one layer comprising a polyester having a Tg of not lower than 63.degree. C. and at least one layer comprising a polyester having a hydrophilic group;
- and
- wherein said silver halide photographic material further comprises on at least one side of the support a magnetic recording layer containing a ferromagnetic powder in an amount of 4.times.10.sup.-3 to 1 g per m.sup.2 of the support and having a coercive force of not less than 400 Oe coated over the surface of said side or coated in stripes, and said silver halide photographic material is a roll film in a cartridge system wherein the end of the roll film wound around a spool is fed out of a cartridge body from a film outlet by turning the spool rotatably attached to the cartridge body in the film feed direction.
A silver halide photographic material comprising on a polyester film support at least one light-sensitive layer, wherein said support comprises polyester which is obtained by reacting a dibasic acid and a glycol, wherein either the dibasic acid or the glycol has a hydrophilic group, said silver halide photographic material further comprising on at least one side of the support a magnetic recording layer containing a ferromagnetic powder in an amount of from 4.times.10.sup.-3 to 1 g per m.sup.2 of the support and having a coercive force of not less than 400 Oe either coated over the surface of said side or coated in stripes, and said silver halide photographic material is a roll film in a cartridge system wherein the end of the roll film wound around a spool is fed out of a cartridge body from a film outlet by turning the spool rotatably attached to the cartridge body in the film feed direction;
- wherein a pair of ribs are provided on the inner side of the cartridge body.
A silver halide photographic material comprising on a polyester film support at least one light-sensitive layer, wherein said support comprises polyester which comprises a mixture of (i) polyethylene terephthalate and (ii) a polyester having a hydrophilic group, said silver halide photographic material further comprising on at least one side of the support a magnetic recording layer containing a ferromagnetic powder in an amount of from 4.times.10.sup.-3 to 1 g per m.sup.2 of the support and having a coercive force of not less than 400 Oe coated over the surface of said side or coated in stripes.
Dependencies are inferred from the claim text.