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Quality Improvement of Punching Unit for LTCC
Pages: 175-177
Year: Issue:  3
Journal: Electronics Process Technology

Keyword:  LTCCpunching machinepunching unit;
Abstract: The green tape punching machine is one of the key equipment of the LTCC multi-layer substrate manufacture. Punching unit is the core component of the equipment. However, with the long-term application, it had been found that as the gap between the pin and the die decreased, the edge quality of the hole was getting worse. Through the experiment, the pin was damaged when it declined. The factors which causes needle damage were analyzed with fishbone diagrams. By improving the guidance stiffness, the processing technology, the stability of punching unit was improved greatly. At last, it was proved by field experiment that the improvements accorded with production requirement and the performances were also improved.
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