Optimization of Sub-Assembly Condition of Circuit Board Using Micro-Dispenser

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  • マイクロ吐出機による基板実装法の最適化条件について
  • マイクロ トデバタ ニヨル キバン ジッソウホウ ノ サイテキカ ジョウケン

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Descriptions are made here on a micro-dispenser highly improved in accuracy and stability in the dispensed volume and dispensing time of viscous fluid. The improvement has been achieved by introducing a multi-pulse controlling system which is composed of a pulse generator containing a quartz-crystal oscillator. Various parameters in this system which govern the dispensed volume have been investigated in detail, and it has been proved that this system functions well with high acctiracy and stability. This system is applied to the sub-assembly of watch circuit boards, and is contributing in practice to the manufacturing process by combining high accuracy with low cost.

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