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Recording method, recording apparatus, recorded article and method for manufacturing recorded article

Assignee: Canon Inc
•
Filing: 2002-05-06
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Granted: 2003-12-09
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Expires: 2022-05-06
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Abstract

Abstract The present invention provides a method and apparatus for allowing a high quality image to be recorded with good coloring, wherein M, D, Ka, tw and t satisfy the relation ofwherein M (pg/mum<2>) is the amount of the water based ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the water based ink, Ka (mum/msec<1/2>) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the water based ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied water based ink after the water-based ink is supplied to the recording medium.

Inventors

  • 👤 Fumitaka Goto
  • 👤 Katsuhiro Shirota
  • 👤 Koichiro Nakazawa
  • 👤 Masao Kato
  • 👤 Hiroshi Tomioka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 16:28
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; C09D11/40; C09D11/54

Claims Analysis

Total Claims: 41
Claim 1
Independent Claim 176 words
A recording method wherein, when record is performed on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material, the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium.
Claim 2
Dependent Claim 176 words
A recording method wherein, when record is performed on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material, the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium.
Claim 3
Independent Claim 229 words
A method of performing record on a recording medium by use of an ink containing a coloring material and a liquid composition to react with the coloring material in the ink, comprising: a step of allowing the ink to contact the liquid composition on the recording medium in liquid form in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μ 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein the coloring material is adsorbed on the surfaces of the fine particles in a monomolecular state by allowing the coloring material in the ink to contact fine particles in the liquid composition in the contact step, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 4
Independent Claim 229 words
A method of performing record on a recording medium by use of an ink containing a coloring material and a liquid composition to react with the coloring material in the ink, comprising: a step of allowing the ink to contact the liquid composition on the recording medium in liquid form in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μ 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein the coloring material is adsorbed on the surfaces of the fine particles in a monomolecular state by allowing the coloring material in the ink to contact fine particles in the liquid composition in the contact step, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 5
Independent Claim 230 words
A method of performing record on a recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, comprising: a step of causing the ink to contact the liquid composition on the recording medium in liquid form in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein the coloring material keeping a monomolecular state is adsorbed on the surfaces of the fine particles by allowing the coloring material in the ink to contact fine particles in the liquid composition in the contact step, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 6
Independent Claim 230 words
A method of performing record on a recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, comprising: a step of causing the ink to contact the liquid composition on the recording medium in liquid form in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein the coloring material keeping a monomolecular state is adsorbed on the surfaces of the fine particles by allowing the coloring material in the ink to contact fine particles in the liquid composition in the contact step, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 7
Dependent Claim 94 words
A recording method wherein, when record is performed on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material and the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, record is performed in such a way that fine particles having adsorbed the coloring material in a monomolecular state are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 8
Dependent Claim 94 words
A recording method wherein, when record is performed on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material and the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, record is performed in such a way that fine particles having adsorbed the coloring material in a monomolecular state are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 9
Dependent Claim 84 words
A recording method wherein, when record is performed on a recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, record is performed in such a way that aggregates formed by aggregation of the fine particles to each other, the fine particles being adsorbed by a coloring material in a monomolecular state, are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 10
Dependent Claim 84 words
A recording method wherein, when record is performed on a recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, record is performed in such a way that aggregates formed by aggregation of the fine particles to each other, the fine particles being adsorbed by a coloring material in a monomolecular state, are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 11
Dependent Claim 24 words
The recording method according to any one of claims 1 to 5 , wherein the concentration of the coloring material is 2.5% or more.
Claim 12
Dependent Claim 23 words
The recording method according to any one of claims 1 to 5 , wherein the absorption coefficient is 2 μm/ms ½ or smaller.
Claim 13
Dependent Claim 52 words
The recording method according to any one of claims 1 to 5 , wherein in a colored portion to be formed by the ink and the liquid composition, the coloring material contained in the ink is adsorbed in a monomolecular state onto the surfaces of fine particles contained in the liquid composition.
Claim 14
Dependent Claim 22 words
The recording method according to any one of claims 1 to 5 , wherein the fine particles are alumina or hydrated alumina.
Claim 15
Dependent Claim 177 words
A recording apparatus wherein, when record is performed on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material and the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium.
Claim 16
Dependent Claim 177 words
A recording apparatus wherein, when record is performed on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material and the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium.
Claim 17
Independent Claim 225 words
An apparatus for making a record on a recording medium by use of an ink containing a coloring material and a liquid composition to react with the coloring material in the ink, comprising: means for causing the ink to contact the liquid composition on the recording medium in liquid form in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein the coloring material is adsorbed on the surfaces of the fine particles in a monomolecular state by allowing the coloring material in the ink to contact fine particles in the liquid composition, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 18
Independent Claim 225 words
An apparatus for making a record on a recording medium by use of an ink containing a coloring material and a liquid composition to react with the coloring material in the ink, comprising: means for causing the ink to contact the liquid composition on the recording medium in liquid form in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein the coloring material is adsorbed on the surfaces of the fine particles in a monomolecular state by allowing the coloring material in the ink to contact fine particles in the liquid composition, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 19
Independent Claim 230 words
An apparatus for making a record on a recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, comprising: means for causing the ink to contact the liquid composition on the recording medium in liquid form in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein the coloring material keeping a monomolecular state is adsorbed on the surfaces of the fine particles by allowing the coloring material in the ink to contact fine particles in the liquid composition in the contact step, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 20
Independent Claim 230 words
An apparatus for making a record on a recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, comprising: means for causing the ink to contact the liquid composition on the recording medium in liquid form in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein the coloring material keeping a monomolecular state is adsorbed on the surfaces of the fine particles by allowing the coloring material in the ink to contact fine particles in the liquid composition in the contact step, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 21
Dependent Claim 94 words
A recording apparatus wherein, when record is performed on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material and the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, record is performed in such a way that fine particles having adsorbed a coloring material in a monomolecular state are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 22
Dependent Claim 94 words
A recording apparatus wherein, when record is performed on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material and the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, record is performed in such a way that fine particles having adsorbed a coloring material in a monomolecular state are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 23
Dependent Claim 84 words
A recording apparatus wherein, when record is performed on a recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, record is performed in such a way that aggregates formed by aggregation of the fine particles to each other, the fine particles being adsorbed by a coloring material in a monomolecular state, are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 24
Dependent Claim 84 words
A recording apparatus wherein, when record is performed on a recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, record is performed in such a way that aggregates formed by aggregation of the fine particles to each other, the fine particles being adsorbed by a coloring material in a monomolecular state, are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 25
Dependent Claim 22 words
The recording method according to any one of claims 10 to 14 , wherein the fine particles are alumina or hydrated alumina.
Claim 26
Independent Claim 192 words
A method of manufacturing a recorded article with an image being recorded on the recording medium thereof, wherein when an image is recorded on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material and the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium.
Claim 27
Independent Claim 192 words
A method of manufacturing a recorded article with an image being recorded on the recording medium thereof, wherein when an image is recorded on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material and the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium.
Claim 28
Independent Claim 252 words
A method of manufacturing a recorded article with an image being recorded on the recording medium thereof, comprising: when an image is recorded on a recording medium by use of an ink containing a coloring material and a liquid composition to react with the coloring material in the ink, a step of causing the ink to contact the liquid composition on the recording medium in liquid form to thereby form an image in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein in the image forming step, the coloring material is adsorbed on the surfaces of the fine particles in a monomolecular state by allowing the coloring material in the ink to contact fine particles in the liquid composition, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 29
Independent Claim 252 words
A method of manufacturing a recorded article with an image being recorded on the recording medium thereof, comprising: when an image is recorded on a recording medium by use of an ink containing a coloring material and a liquid composition to react with the coloring material in the ink, a step of causing the ink to contact the liquid composition on the recording medium in liquid form to thereby form an image in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein in the image forming step, the coloring material is adsorbed on the surfaces of the fine particles in a monomolecular state by allowing the coloring material in the ink to contact fine particles in the liquid composition, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 30
Independent Claim 253 words
A method of manufacturing a recorded article with an image being recorded on the recording medium thereof, comprising when an image is recorded on the recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, a step of causing the ink to contact the liquid composition on the recording medium in liquid form to thereby form an image in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein in the image forming step, the coloring material keeping a monomolecular state is adsorbed on the surfaces of the fine particles by allowing the coloring material in the ink to contact fine particles in the liquid composition, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 31
Independent Claim 253 words
A method of manufacturing a recorded article with an image being recorded on the recording medium thereof, comprising when an image is recorded on the recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, a step of causing the ink to contact the liquid composition on the recording medium in liquid form to thereby form an image in such a way that M, D, Ka, tw and t satisfy the relation of t ≤ ( 10 7 × M   D K   a ) 2 + t   w where M (pg/μm 2 ) is the amount of the ink supplied to the recording medium per unit area, D (%) is the concentration of the coloring material of the ink, Ka (μm/msec ½ ) is the absorption coefficient of the ink in the recording medium, tw (msec) is the time required for the ink to moisten in the recording medium, and t (msec) is the time required for the liquid composition to make contact with the supplied ink after the ink is supplied to the recording medium, wherein in the image forming step, the coloring material keeping a monomolecular state is adsorbed on the surfaces of the fine particles by allowing the coloring material in the ink to contact fine particles in the liquid composition, so that the fine particles having adsorbed the coloring material on the surfaces thereof aggregate to each other.
Claim 32
Independent Claim 109 words
A method of manufacturing a recorded article with an image being recorded on the recording medium thereof, wherein when an image is recorded on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material and the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, record is performed in such a way that fine particles having adsorbed a coloring material in a monomolecular state are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 33
Independent Claim 109 words
A method of manufacturing a recorded article with an image being recorded on the recording medium thereof, wherein when an image is recorded on a recording medium by use of an anionic or cationic ink and a liquid composition, the ink containing a coloring material and the liquid composition containing fine particles in a dispersed state, the surfaces of the fine particles being charged with a polarity opposite to that of the ink, record is performed in such a way that fine particles having adsorbed a coloring material in a monomolecular state are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 34
Independent Claim 99 words
A method of manufacturing a recorded article with an image being recorded on the recording medium thereof, comprising when an image is recorded on a recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, record is performed in such a way that aggregates formed by aggregation of the fine particles to each other, the fine particles being adsorbed by a coloring material in a monomolecular state, are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 35
Independent Claim 99 words
A method of manufacturing a recorded article with an image being recorded on the recording medium thereof, comprising when an image is recorded on a recording medium by use of an ink containing a coloring material and a liquid composition containing fine particles to be adsorbed on the coloring material, record is performed in such a way that aggregates formed by aggregation of the fine particles to each other, the fine particles being adsorbed by a coloring material in a monomolecular state, are present at least within a depth of 10 μm from the surface of the recording medium.
Claim 36
Independent Claim 26 words
The method of manufacturing the recorded article according to any one of claims 16 to 20 , wherein the fine particles are alumina or hydrated alumina.
Claim 37
Dependent Claim 41 words
A recorded article having an image on the recording medium thereof, wherein the image includes fine particles having adsorbed a coloring material in a monomolecular state, at least within a depth of 10 μm from the surface of the recording medium.
Claim 38
Dependent Claim 41 words
A recorded article having an image on the recording medium thereof, wherein the image includes fine particles having adsorbed a coloring material in a monomolecular state, at least within a depth of 10 μm from the surface of the recording medium.
Claim 39
Dependent Claim 53 words
A recorded article having an image on the recording medium thereof, wherein the image includes aggregates formed by aggregation of the fine particles to each other, the fine particles having adsorbed a coloring material in a monomolecular state, at least within a depth of 10 μm from the surface of the recording medium.
Claim 40
Dependent Claim 53 words
A recorded article having an image on the recording medium thereof, wherein the image includes aggregates formed by aggregation of the fine particles to each other, the fine particles having adsorbed a coloring material in a monomolecular state, at least within a depth of 10 μm from the surface of the recording medium.
Claim 41
Dependent Claim 19 words
The recorded article according to claim 22 or 23 , wherein the fine particles are alumina or hydrated alumina.

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