This invention can prepare enclosed micro-channels by silicon chip and cover plate reversible packing, and do not need linkage process to finish the chip production, which improves the chip yield, decreases the production cost, and because the reversible packing is advantageous for chip cleaning, the chip can be repeatedly used, which extends the service life of the chip.
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Wearing test in laboratory and test in production show that service life of repaired parts is over two times longer than the new ones, and the work cost decreases by 49%-77%.
室内磨损试验及生产试验均证明了修复零件的使用寿命比新品提高一倍以上，作业成本降低49% - 77%。
It decreases die cost and increases production efficiency. The characteristics of die structure, work principle and DE - sign gist of every procedure are introduce further.
降低了模具成本，提高了生产效率，并进一步介绍了各成形工序的模具结构特点、工作原理及设计要点。
Compared with the prior art, the amount of the oxyful in use is greatly reduced, and the production cost remarkably decreases.
与已有技术相比，双氧水用量大为下降，生产成本明显下降。
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