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US 10,293,627 B2Granted
Printed matter, printing method, and printing device
AssigneeRicoh Company, Ltd.
InventorsTatsuya Tomura, Yoshimasa Miyazawa, Takuya Fujita
Life of this patent
Estimating the term…
Abstract
A printed matter is provided. The printed matter includes a porous printing medium and a printed layer. The printed layer contains silver and has a printed surface having an image clarity (2 mm), defined in Japanese Industrial Standards H8686-2, of 5.0 or more and a b* value in the range of from −7.0 to +4.0.
Claims14
A printed matter comprising:
- a porous printing medium;
- and
- a printed layer containing silver, the printed layer having a printed surface having an image clarity (2 mm), defined in Japanese Industrial Standards H8686-2, of 5.0 or more and a b* value in the range of from −7.0 to +4.0.
A printing method comprising:
- applying thermal or mechanical energy to an ink containing silver particles;
- and
- jetting the ink onto a porous printing medium to obtain a printed matter, wherein the porous printing medium has pores having an average pore diameter in the range of from 100 to 400 nm, and the silver particles in the ink have an average particle diameter in the range of from 15 to 100 nm.
A printing device comprising:
- an ink containing 1.0% to 15.0% by mass of silver particles having an average particle diameter in the range of from 15 to 100 nm;
- a porous printing medium having pores having an average pore diameter in the range of from 100 to 400 nm;
- and
- a discharger to discharge the ink onto the porous printing medium.
1 more element
An inkjet printing device comprising:
- an ink container containing an ink containing 1.0% to 15.0% by mass of silver particles having an average particle diameter in the range of from 15 to 100 nm;
- a porous printing medium having pores having an average pore diameter in the range of from 100 to 400 nm;
- and
- a recording unit to discharge liquid droplets of the ink by an action of energy.
1 more element
Dependencies are inferred from the claim text.