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US 10,590,295 B2Granted
Inks containing metal precursors nanoparticles
AssigneeSingapore Asahi Chemical & Solder Ind. Pte. Ltd
InventorsMichael Grouchko, Shlomo Magdassi
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Abstract
Provided are novel ink formulations based on metal salts and metal complexes. The formulations include a sole metal precursor in the form of metal salt nanoparticles dispersed in a medium. In addition, the metal salt nanoparticles may include an anion. The novel ink formulations may be used for producing conducting patterns.
Claims20
A printing formulation consisting of
- at least one metal precursor in the form of metal salt nanoparticles dispersed in a medium;
- and
- optionally at least one printing carrier,
- wherein metal salt nanoparticles consist of metal and an organic and/or inorganic anion.
1 more element
A printing formulation consisting of:
- a medium;
- metal precursor;
- and
- optionally at least one printing carrier;
- wherein said metal precursor is dispersed in the medium;
- wherein said metal precursor consists of metal salt nanoparticles;
- wherein said metal salt nanoparticles consist of metal and an organic anion selected from the group consisting of acetate (CH3COO—), formate (HCOO—), citrate (C3H5O(COO)3-), acetylacetonate, lactate (CH3CH(OH)COO—), oxalate ((COO2-), and an derivative thereof;
- and wherein said metal of the metal salt nanoparticles is selected from the group consisting of Ni, Cu and Ag.
5 more elements
A printing formulation consisting of:
- a medium;
- metal precursor;
- and
- optionally at least one printing carrier;
- wherein said metal precursor is dispersed in the medium;
- wherein said metal precursor consists of metal salt nanoparticles;
- and
- wherein said metal salt nanoparticles consist of a member selected from the group consisting of:
- copper formate,
- nickel formate,
- silver lactate,
- silver oxalate, and
- a mixture of copper formate and nickel formate.
10 more elements
Dependencies are inferred from the claim text.