LIQUID COMPOSITION
A liquid composition includes copper particles, an organic acid, and a solvent. The copper particle has a particle size of 0.5 μm˜30 μm which falls in a micron scale. The liquid composition performs reaction sintering by redox reactions taken place between the copper particles and an organic acid so...
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| creator | CHEN, CHIH-HAO CHEN, HSIANGUAN WU, ALBERT T ZHONG, YUAN-HENG SHENG, RUEI-YING CHEN, CHEN-YI WANG, CHANG-MENG |
| description | A liquid composition includes copper particles, an organic acid, and a solvent. The copper particle has a particle size of 0.5 μm˜30 μm which falls in a micron scale. The liquid composition performs reaction sintering by redox reactions taken place between the copper particles and an organic acid solution at a low temperature of 150° C. in order to produce a dense copper layer and improve the conventional micron-scale copper particles that requires a protective atmosphere for the high-temperature sintering before achieving the required densification. This liquid composition also prevents an excessive oxidation of the nano copper particles during the low-temperature sintering process and a failure of the dense sintering. Due to the agglomeration of nano copper particles, some areas have to be sintered first, so that the sintered products have a good uniformity of tissue and a low resistance below 0.04 ohm per square (Ω/□). |
| format | Patent |
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The copper particle has a particle size of 0.5 μm˜30 μm which falls in a micron scale. The liquid composition performs reaction sintering by redox reactions taken place between the copper particles and an organic acid solution at a low temperature of 150° C. in order to produce a dense copper layer and improve the conventional micron-scale copper particles that requires a protective atmosphere for the high-temperature sintering before achieving the required densification. This liquid composition also prevents an excessive oxidation of the nano copper particles during the low-temperature sintering process and a failure of the dense sintering. 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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CASTING CHEMISTRY HETEROCYCLIC COMPOUNDS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER |
| title | LIQUID COMPOSITION |
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