| http://www.w3.org/ns/prov#value | - On the other hand, when the volume ratio of the solder powders 38 charged in the first opening 34 is more than 99%, the pressure as high as 100 MPa must be applied on the solder powders, so that there is the possibility that the first single-sided substrate 30 may be cracked. [0085] In this solder powder 38 charging process, all operations, except the operation of removing the solvent 40 by drying
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