This paper proposes that: the deformation in stamping design prefabricated hole forming specific height fittings first tee is feasible, but needs to process parameter optimization.

本文主要研究以冲压变形规律设计的预制孔管件一次成形特定高度的三通管是可行的，但需对工艺参数优化。

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Hence, another key problem LTCC technology studies needs to tackle is to develop more efficient optimization methods whose target is to shorten the design period of LTCC circuits.

因此，研究具有针对性的高效优化方法，缩短LTCC电路设计周期，是当前LTCC技术研究的另一个重要内容。

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