Claims
- 1. A recording apparatus comprising:
- a recording medium having a recording layer having a characteristic in which a receding contact angle decreases when said recording layer is heated in a condition where said recording layer is in contact with a liquid;
- first heating means, coupled to said recording medium, for selectively heating said recording layer in accordance with image information; and
- first supplying means, coupled to said recording medium, for supplying a contact material to a surface of said recording layer, said contact material being selected from a liquid, a vapor and a solid which generates or changes to either a vapor or liquid under conditions of a temperature lower than a temperature at which the receding contact angle on said recording layer starts to decrease,
- wherein the receding contact angle on an area on the surface of said recording layer, where said contact material is supplied and said first heating means heats, decreases so that a latent image corresponding to said area is formed on the surface of said recording layer.
- 2. A recording apparatus as claimed in claim 1, wherein said first heating means has an optical source emitting a light beam which is projected onto the surface of said recording layer so that the light beam heats said recording layer.
- 3. A recording apparatus as claimed in claim 2, wherein the light beam emitted from said optical source is projected through the contact material in contact with said recording layer onto the surface of said recording layer.
- 4. A recording apparatus as claimed in claim 3 wherein said first supplying means has uniformity means for supplying said contact material to the surface of said recording layer so that a thickness of said contact material is uniform.
- 5. A recording apparatus as claimed in claim 1, wherein said first heating means has a heating portion which is in contact with said recording medium.
- 6. A recording apparatus as claimed in claim 5, wherein said recording medium has a base member on which said recording layer is provided, and wherein said heating portion is in contact with said base member, so that said heating portion heats said recording layer through said base member.
- 7. A recording apparatus as claimed in claim 1 further comprising second supplying means, coupled to said recording medium, for supplying a recording agent which includes a colorant to the surface of said recording layer, wherein said recording agent adheres to an area where the contact material is in contact and said first heating means heats so that a visible image corresponding to the area is formed on the surface of said recording layer.
- 8. A recording apparatus as claimed in claim 7 further comprising transferring means, coupled to said recording medium and an image forming medium, for transferring the recording agent, which adheres onto the surface of said recording layer, to said image forming medium, so that a visible image is formed on said image forming medium.
- 9. A recording apparatus as claimed in claim 8 further comprising second heating means, coupled to said recording medium, for heating the recording agent when the recording agent is transferred to said image forming medium or immediately before the recording agent is transferred to said image forming medium.
- 10. A recording apparatus as claimed in claim 9, wherein said recording medium has a base member on which said recording layer is provided, and wherein said second heating means has a heating portion which is in contact with said base member of said recording medium, so that said heating portion heats the recording agent through said recording medium.
- 11. A recording apparatus as claimed in claim 9, wherein said second heating means has an optical source irradiating the recording agent on the surface of said recording layer so that the recording agent is heated.
- 12. A recording apparatus as claimed in claim 8, wherein said recording layer also has a characteristic in which the receding contact angle which is decreased changes into an original value when said recording layer is heated in a condition where none of said liquid is in contact with said recording layer, said recording apparatus further comprising third heating means, coupled to said recording medium, for heating said recording medium after the the recording agent is transferred to said image forming medium,
- whereby the latent image formed on the surface of said recording layer is eliminated.
- 13. A recording apparatus comprising:
- a recording medium having a recording layer having a characteristic in which a receding contact angle decreases when said recording layer is heated in a condition where said recording layer is in contact with a liquid;
- first heating means, coupled to said recording medium, for selectively heating said recording layer in accordance with image information; and
- supplying means, coupled to said recording medium, for supplying a recording agent which includes a colorant to a surface of said recording layer,
- wherein the receding contact angle on an area on the surface of said recording layer, where said recording agent is supplied and said first heating means heats, decreases so that the recording agent adheres on said area and visible image corresponding to said area is formed on the surface of said recording layer.
- 14. A recording apparatus as claimed in claim 13, wherein said first heating means has an optical source emitting a light beam which is projected onto the surface of said recording layer so that the light beam heats said recording layer.
- 15. A recording apparatus as claimed in claim 14, wherein the light beam emitted from said optical source is projected through the recording agent in contact with said recording layer onto the surface of said recording layer.
- 16. A recording apparatus as claimed in claim 13 wherein said supplying means has uniformity means for supplying said recording agent to the surface of said recording layer so that the thickness of said recording agent is uniform.
- 17. A recording apparatus as claimed in claim 13, wherein said first heating means has a heating portion which is in contact with said recording medium.
- 18. A recording apparatus as claimed in claim 17, wherein said recording medium has a base member on which said recording layer is provided, and wherein said heating portion is in contact with said base member, so that said heating portion heats said recording layer through said base member.
- 19. A recording apparatus as claimed in claim 13 further comprising transferring means, coupled to said recording medium and a image forming medium, for transferring the recording agent, which adheres onto the surface of said recording layer, to said image forming medium, so that a visible image is formed on said image forming medium.
- 20. A recording apparatus as claimed in claim 19 further comprising second heating means, coupled to said recording medium, for heating the recording agent when the recording agent is transferred to said image forming medium or immediately before the recording agent is transferred to said image forming medium.
- 21. A recording apparatus as claimed in claim 20, wherein said recording medium has a base member on which said recording layer is provided, and wherein said second heating means has a heating portion which is in contact with said base member of recording medium, so that said heating portion heats the recording agent through said recording medium.
- 22. A recording apparatus as claimed in claim 20, wherein said second heating means has an optical source irradiating the recording agent on the surface of said recording layer so that the recording agent is heated.
- 23. A recording apparatus as claimed in claim 19, wherein said recording layer also has a characteristic in which the receding contact angle which is decreased changes into an original value when said recording layer is heated in a condition where none of said liquid is in contact with said recording layer, said recording apparatus further comprising third heating means, coupled to said recording medium, for heating said recording medium after the the recording agent is transferred to said image forming medium,
- whereby the latent image formed on the surface of said recording layer is eliminated.
- 24. The recording apparatus of claims 1 or 13, wherein said recording medium comprises:
- a base member; and
- a recording layer, provided on said base member, having a characteristic in which a receding contact angle decreases when said recording layer is heated in a condition where said recording layer is in contact with a liquid, said recording layer has an organic compound which includes a hydrophobic group, said hydrophobic group having a nature whereby it is oriented to a side open to air when said recording layer is heated in air.
- 25. The recording apparatus of claim 24, wherein said organic compound has a chain molecular structure which has a plurality of chains, said hydrophobic group being provided at ends of said chains, said chain molecules chains including an alkylene group having a carbon number which is equal to or greater than 4, and a surface energy of said organic compound being equal to or less than 50 dyn/cm.
- 26. The recording apparatus of claim 24, wherein said organic compound has a chain molecular structure which has a plurality of chains, said hydrophobic group being provide at ends of chains, said chain molecules chains including an alkylene group having a fluorine substituted for at least one hydrogen of said alkylene group and having a carbon number which is equal to or greater than 4, and a surface energy of said organic compound being equal to or less than 50 dyn/cm.
- 27. The recording apparatus of claim 24, wherein said organic compound includes an alkyl group having a carbon number which is equal to or greater than 4, and a surface energy of said organic compound being equal to or less than 50 dyn/cm.
- 28. The recording apparatus of claim 24, wherein said organic compound includes an alkyl group having a fluorine substituted for at least one hydrogen of said alkyl group and having a carbon number which is equal to or greater than 4, and a surface energy of said organic compound being equal to or less than 50 dyn/cm.
- 29. The recording apparatus of claim 24, wherein said organic compound includes an alkyl group having a chloride substituted for at least one hydrogen of said alkyl group and having a carbon number which is equal to or greater than 4, and a surface energy of said compound being equal to or less than 50 dyn/cm.
- 30. The recording apparatus of claim 24, wherein said organic compound includes an alkyl group having a chlorine and a fluorine substituted for at least two hydrogens of said alkyl group and having a carbon number which is equal to or greater than 4, and a surface energy of said organic compound being equal to or less than 50 dyn/cm.
- 31. The recording apparatus of claim 24, wherein said base member has a porous member, and said recording member layer is kept in said porous member so that the recording member is exposed on a surface of said porous member.
- 32. The recording apparatus of claim 24, wherein said base member has a rough surface, and said recording member layer is provided on said rough surface of said base member.
- 33. The recording apparatus of claims 1 or 13, wherein said recording medium comprises:
- a base member; and
- a recording layer, supported by said base member, having a characteristic in which a receding contact angle decreases when said recording layer is heated in a condition where said recording layer is in contact with a liquid, said recording layer containing a compound which has side chains having alkyl group that has a carbon number of 4 or more.
- 34. The recording apparatus of claim 33, wherein said compound is a polymer of a compound represented by the following general formula (I): ##STR38## wherein, R.sup.1 is either hydrogen --CH.sub.3 group or --C.sub.2 H.sub.5 group and R.sup.2 is --(CH.sub.2).sub.n CH.sub.3 (where n.gtoreq.3).
- 35. The recording apparatus of claim 33, wherein said compound is a polymer of a compound represented by the following general formula (II): ##STR39## wherein, R.sup.1 is either hydrogen, --CH.sub.3 group or --C.sub.2 H.sub.5 group, and
- R.sup.6 is --(CH.sub.2).sub.n CH.sub.3 (where n.gtoreq.3).
- 36. The recording apparatus of claim 33, wherein said compound is a polymer of a compound represented by the following general formula (III): ##STR40## wherein, R.sup.1 is either hydrogen, --CH.sub.3 group or --C.sub.2 H.sub.5 group and
- R.sup.11 is --(CH.sub.2).sub.n CH.sub.3 (where n.gtoreq.3).
- 37. The recording apparatus of claim 33, wherein said compound is a polymer of a compound represented by the following general formula (IV): ##STR41## wherein, R.sup.1 is either hydrogen, --CH.sub.3 group or --C.sub.2 H.sub.5 group and
- R.sup.13 is --(CH.sub.2).sub.n CH.sub.3 (where n.gtoreq.3).
- 38. The recording apparatus of claim 33, wherein said compound is a polymer of a compound represented by the following general formula (V): ##STR42## wherein, R.sup.1 is either hydrogen, --CH.sub.3 group or --C.sub.2 H.sub.5 group and
- R.sup.14 is --(CH.sub.2).sub.n CH.sub.3 (where n.gtoreq.3).
- 39. The recording apparatus of claim 33, wherein said base member has a porous member, and said recording member layer is kept in said porous member so that said recording layer is exposed on a surface of the porous member.
- 40. The recording apparatus of claim 33, wherein said base member has a rough surface, and said recording layer is provided on said rough surface of said base member.
- 41. The recording apparatus of claims 1 or 13, wherein said recording medium comprises:
- a base member; and
- a recording layer, supported by said base member, having a characteristic in which a receding contact angle decreases when said recording layer is heated in a condition where said recording layer is in contact with a liquid, said recording layer containing a compound which has side chains having fluorine.
- 42. The recording apparatus of claim 41, wherein said compound is a polymer of a compound represented by the following general formula (I): ##STR43## wherein, R.sup.1 is either hydrogen or --CH.sub.3 group, and R.sup.2 is either --(CH.sub.2)nR.sup.3 where n is an integer in a range between 1 and 10, R.sup.3 is linear chain or branching perfluoroalkyl group in which a carbon number is between 3 and 21, --CH.sub.2 CF.sub.2 CHFCF.sub.3, ##STR44## where R.sup.4 is linear chain of branching perfluoroalkyl group, ##STR45## where R.sup.5 is linear chain or branching perfluoroalkyl group in which a carbon number is between 1 and 8, or --CH(CH.sub.2 OCF(CF.sub.3).sub.2).sub.2.
- 43. The recording apparatus of claim 41, wherein said compound is a polymer of a compound represented by the following general formula (II): ##STR46## wherein, R.sup.1 is either hydrogen, --CH.sub.3 group and R.sup.6 is either --(CF.sub.2).sub.n F where n is equal to I or an integer in a range between 3 and 17, --(CH.sub.2).sub.n R.sup.7 where n is an integer in a range between 1 and 10 and R.sup.7 is linear chain or branching perfluoroalkyl group, or --R.sup.8 N(R.sup.9)SO.sub.2 R.sup.10 where R.sup.8 is alkylene group in which a carbon number is between 1 and 12, R.sup.9 is either hydrogen or normal or branching alkyl group in which a carbon number is between 1 and 6, and R.sup.10 is linear chain of branching perfluoroalkyl group in which a carbon number is between 4 and 12.
- 44. The recording apparatus of claim 41, wherein said compound is a polymer of a compound represented by the following general formula (III): ##STR47## wherein, R.sup.1 is either hydrogen, or --CH.sub.3 group, and R.sup.11 is either 4-fluorophenyl, --SCH.sub.2 CH.sub.2 R.sup.12 where R.sup.12 is normal or branching perfluoroalkyl group in which a carbon number is between 5 and 13, or CH.sub.2 F.
- 45. The recording apparatus of claim 41, wherein said compound is a polymer of a compound represented by the following general formula (IV): ##STR48## wherein, R.sup.1 is either hydrogen or --CH.sub.3 group, and R.sup.13 is either 4-fluorophenyl, --CF(CF.sub.3).sub.2, ##STR49## where n.sup.1 and n.sup.2 are respectively integers in a range between 0 and 10, --CF(CF(CF.sub.3).sub.2).sub.2, ##STR50## where n.sup.3 is an integer in range between 0 and 18, ##STR51## where n.sup.4 and n.sup.5 are respectively integers in a range between 1 and 18, ##STR52## where n.sup.6 and n.sup.7 are respectively integers in a range between 1 and 18, or ##STR53## where n.sup.8 is an integer in a range between 1 and 18.
- 46. The recording apparatus of claim 41, wherein said compound is a polymer of a compound represented by the following general formula (V): ##STR54## wherein, R.sup.1 is either hydrogen or --CH.sub.3 group, and R.sup.14 is either --CH.sub.2 CF.sub.2 H, --CH.sub.2 CF.sub.2 CH.sub.3, --CHCF.sub.3, --(CH.sub.2).sub.3 CF.sub.3, or --(CH.sub.2 CF.sub.2 H).sub.2.
- 47. The recording apparatus of claim 41, wherein said compound is a copolymer containing at least one of compounds represented by the following general formulas (I), (II), (III), (IV) and (V): ##STR55## wherein, R.sup.1 is either hydrogen or --CH.sub.3 group, and R.sup.2 is either --(CH.sub.2)nR.sup.3 where n is an integer in a range between 1 and 10, R.sup.3 is linear chain or branching perfluoroalkyl group in which a carbon number is between 3 and 21, --CH.sub.2 CF.sub.2 CHFCF.sub.3, ##STR56## where R.sup.4 is linear chain of branching perfluoroalkyl group, ##STR57## where R.sup.5 is linear chain or branching perfluoroalkyl group in which a carbon number is between 1 and 8, or --CH (CH.sub.2 OCF(CF.sub.3).sub.2).sub.2, ##STR58## wherein, R.sup.1 is either hydrogen, --CH.sub.3 group and R.sup.6 is either --(CF.sub.2).sub.n F where n is equal to 1 or an integer in a range between 3 and 17, --(CH.sub.2).sub.n R.sup.7 where n is an integer in a range between 1 and 10 and R.sup.7 is linear chain or branching perfluoroalkyl group, or --R.sup.8 N(R.sup.9)SO.sub.2 R.sup.10 where R.sup.8 is alkylene group in which a carbon number is between 1 and 12, R.sup.9 is either hydrogen or normal or branching alkyl group in which a carbon number is between 1 and 6, and R.sup.10 is linear chain of branching perfluoroalkyl group in which a carbon number is between 4 and 12, ##STR59## wherein, R.sup.1 is either hydrogen, --CH.sub.3 group and R.sup.11 is either 4-fluorophenyl, --SCH.sub.2 CH.sub.2 R.sup.12
- where R.sup.12 is normal or branching perfluoroalkyl group in which a carbon number is between 5 and 13, or CH.sub.2 F, ##STR60## wherein, R.sup.1 is either hydrogen or --CH.sub.3 group, and R.sup.13 is either 4-fluorophenyl, --CF(CF.sub.3).sub.2, ##STR61## where n.sup.1 and n.sup.2 are respectively integers in a range between 0 and 10, --CF(CF(CF.sub.3).sub.2).sub.2, ##STR62## where n.sup.3 is an integer in range between 0 and 18, ##STR63## where n.sup.4 and n.sup.5 are respectively integers in a range between 1 and 18, ##STR64## where n.sup.6 and n.sup.7 are respectively integers in a range between 1 and 18, or ##STR65## where n.sup.8 is an integer in a range between 1 and 18, ##STR66## wherein, R.sup.1 is either hydrogen, --CH.sub.3 group, and R.sup.14 is either --CH.sub.2 CF.sub.2 H, --CH.sub.2 CF.sub.2 CH.sub.3, --CHCF.sub.3, --(CH.sub.2).sub.3 CF.sub.3, or --(CH.sub.2 CF.sub.2 H).sub.2.
- 48. The recording apparatus of claim 41, wherein said base member has a porous member, and said recording member is kept in said porous member so that the recording member is exposed on a surface of the porous member.
- 49. The recording apparatus of claim 41, wherein said said base member has a rough surface, and said recording member layer is provided on said rough surface of said base member.
- 50. The recording apparatus of claims 1 or 13, wherein said recording medium comprises:
- a recording film having a characteristic in which a receding contact angle decreases when said recording film is heated in a condition where said recording film is in contact with a liquid, said recording film has an organic compound which includes a hydrophobic group, said hydrophobic group having a nature whereby it is oriented to a side open to air when said recording film is heated in air.
- 51. The recording apparatus of claims 1 or 13, wherein said recording medium comprises:
- a recording film having a characteristic in which a receding contact angle decreases when said recording film is heated in a condition where said recording film is in contact with a liquid, said recording film containing a compound which has side chains having alkyl group that has a carbon number of 4 or more.
- 52. The recording apparatus of claims 1 or 13, wherein said recording medium comprises:
- a recording film having a characteristic in which a receding contact angle decreases when said recording film is heated in a condition where said recording film is in contact with a liquid, said recording film containing a compound which has side chains having fluorine.
Priority Claims (4)
Number |
Date |
Country |
Kind |
1-81181 |
Mar 1989 |
JPX |
|
1-232019 |
Sep 1989 |
JPX |
|
2-43599 |
Feb 1990 |
JPX |
|
2-209398 |
Aug 1990 |
JPX |
|
CROSS-REFERENCE TO RELATED APPLICATIONS
This is a division of application Ser. No. 07/620,570, filed on Dec. 3, 1990, now U.S. Pat. No. 5,278,126, which is a continuation-in-part of Ser. No. 07/601,871, filed on Mar. 29, 1990 and abandoned on Apr. 21. 1992.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
5175568 |
Oyamaguchi et al. |
Dec 1992 |
|
5177506 |
Katano |
Jan 1993 |
|
5200762 |
Katano et al. |
Apr 1993 |
|
5278126 |
Katano et al. |
Jan 1994 |
|
Divisions (1)
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Number |
Date |
Country |
Parent |
620579 |
Dec 1990 |
|
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
501871 |
Mar 1990 |
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