Development of UV-Curable Nanoalumina Ceramic Ink and Its Application in Inkjet-Printed Multilayer Ceramic-Metal Substrates

IF 4.7 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

ACS Applied Electronic Materials Pub Date : 2025-08-14 DOI:10.1021/acsaelm.5c01180

Chunlai Li, and , Liang Guo*,

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Abstract

The conventional fabrication of multilayer ceramic-metal substrates, constrained by high-cost molding equipment and intricate manufacturing processes, faces limitations in high-frequency electronic applications. To address this challenge, this study proposes an innovative approach utilizing UV-curable nanoalumina ceramic ink integrated with inkjet printing technology. Through systematic screening of dispersants (oleic acid, stearic acid, BYK-111, and Xinnuo LD 1129), it was demonstrated that the polymeric dispersant Xinnuo LD 1129 significantly enhances colloidal stability via synergistic steric hindrance and electrostatic repulsion mechanisms. The optimized ink exhibited a viscosity of 14.5 mPa·s (at 60 s^–¹ shear rate), surface tension of 33.7 mN/m, and inverse Ohnesorge number Z = 2.0593, fulfilling the operational requirements of piezoelectric printheads. Remarkably, the ink maintained a sedimentation rate below 5% over a 7 week storage period, enabling continuous high-resolution patterning. This work establishes a critical material foundation for inkjet-printed multilayer ceramic-metal substrates and validates their potential in 5G communication systems and power electronics.

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紫外光固化纳米氧化铝陶瓷油墨的研制及其在多层陶瓷金属基板喷墨印刷中的应用

传统的多层陶瓷-金属基板制造受到高成本成型设备和复杂制造工艺的限制，在高频电子应用中面临限制。为了解决这一挑战，本研究提出了一种利用uv固化纳米氧化铝陶瓷油墨与喷墨打印技术相结合的创新方法。通过系统筛选油酸、硬脂酸、BYK-111和新诺LD 1129等分散剂，发现新诺LD 1129通过协同位阻和静电斥力机制显著提高胶体稳定性。优化后的油墨粘度为14.5 mPa·s（剪切速率为60 s - 1时），表面张力为33.7 mN/m， Ohnesorge逆数Z = 2.0593，满足压电打印头的工作要求。值得注意的是，在7周的存储期内，油墨的沉降率保持在5%以下，从而实现了连续的高分辨率图案。这项工作为喷墨印刷多层陶瓷-金属基板奠定了关键的材料基础，并验证了其在5G通信系统和电力电子领域的潜力。

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567

期刊介绍： ACS Applied Electronic Materials is an interdisciplinary journal publishing original research covering all aspects of electronic materials. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials science, engineering, optics, physics, and chemistry into important applications of electronic materials. Sample research topics that span the journal's scope are inorganic, organic, ionic and polymeric materials with properties that include conducting, semiconducting, superconducting, insulating, dielectric, magnetic, optoelectronic, piezoelectric, ferroelectric and thermoelectric. Indexed/Abstracted： Web of Science SCIE Scopus CAS INSPEC Portico