研究目的
Investigating the improvement of conductivity of ink-jet printed microwave components on polymer substrates through laser sintering techniques.
研究成果
Laser sintering significantly improves the conductivity of ink-jet printed microwave components on polymer substrates, with the first sintering method showing an 80% to 100% improvement in conductivity. The technique is a viable alternative to conventional sintering methods for temperature-sensitive substrates.
研究不足
The study was limited by the potential for laser ablation phenomena causing damage to the polymer substrate and metal layer, necessitating defocusing of the laser beam to mitigate these effects.
1：Experimental Design and Method Selection:
The study involved printing microwave components on a Kapton substrate using a DOD ink jet printer with silver nanoparticle ink and applying two different laser sintering strategies.
2：Sample Selection and Data Sources:
Samples were square ring resonators printed on Kapton substrates.
3：List of Experimental Equipment and Materials:
A DOD ink jet printer, silver nanoparticle ink, Kapton substrate, and an infrared laser for sintering were used.
4：Experimental Procedures and Operational Workflow:
After printing, samples were dried and then subjected to laser sintering with varying parameters.
5：Data Analysis Methods:
The conductivity of the printed ink was extracted by measuring the quality factor of the resonators at three frequencies.
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