JPS6478880A - Reusable thermal reversible multicolor projecting drafting film - Google Patents
Reusable thermal reversible multicolor projecting drafting filmInfo
- Publication number
- JPS6478880A JPS6478880A JP62237867A JP23786787A JPS6478880A JP S6478880 A JPS6478880 A JP S6478880A JP 62237867 A JP62237867 A JP 62237867A JP 23786787 A JP23786787 A JP 23786787A JP S6478880 A JPS6478880 A JP S6478880A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- transparency
- coloring
- projecting
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
PURPOSE:To obtain a multicolor projecting image having excellent contrast and high resolution by reversably varying transparency of a thermal sensitive layer by temperature, and setting the spectral transmittance of the maximum absorption wavelength of a coloring layer to a specific value. CONSTITUTION:A base 1, a coloring layer 2, a thermal sensitive layer 3 and a protective layer 4 are provided. The layer 3 contains as main ingredients resin base material and organic low molecular substance dispersed in the base material, its transparency is reversibly varied by temperature, and the light transmittance when the transparency is minimum is 30% or less. The layer 2 is made by forming a stripelike or matrixlike regular array pattern on the base 1 or at least one layer, thereby coloring two or more colors on each array pattern in such a manner that, when a light of 450-700nm of wavelength band is radiated, its spectral transmittance of the maximum absorption wavelength is 20% or more.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237867A JPS6478880A (en) | 1987-09-22 | 1987-09-22 | Reusable thermal reversible multicolor projecting drafting film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237867A JPS6478880A (en) | 1987-09-22 | 1987-09-22 | Reusable thermal reversible multicolor projecting drafting film |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6478880A true JPS6478880A (en) | 1989-03-24 |
Family
ID=17021593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62237867A Pending JPS6478880A (en) | 1987-09-22 | 1987-09-22 | Reusable thermal reversible multicolor projecting drafting film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6478880A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03180389A (en) * | 1989-12-11 | 1991-08-06 | Tomoegawa Paper Co Ltd | Thermal recording medium |
JPH03180388A (en) * | 1989-12-11 | 1991-08-06 | Tomoegawa Paper Co Ltd | Thermal recording medium |
US5364829A (en) * | 1991-08-30 | 1994-11-15 | Matsushita Electric Industrial Co., Ltd. | Rewritable recording medium and a method of recording in the same |
-
1987
- 1987-09-22 JP JP62237867A patent/JPS6478880A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03180389A (en) * | 1989-12-11 | 1991-08-06 | Tomoegawa Paper Co Ltd | Thermal recording medium |
JPH03180388A (en) * | 1989-12-11 | 1991-08-06 | Tomoegawa Paper Co Ltd | Thermal recording medium |
US5364829A (en) * | 1991-08-30 | 1994-11-15 | Matsushita Electric Industrial Co., Ltd. | Rewritable recording medium and a method of recording in the same |
US5543381A (en) * | 1991-08-30 | 1996-08-06 | Matsushita Electric Industrial Co., Ltd. | Rewritable recording medium and a method of recording in the same |
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