有活性的金属表面容易被熔融焊料浸湿。
Activated metal surface is easily wetted by the molten solder.
该装置(1)可使溶出于包含以锡作为主成分的无铅焊料中的铜作为金属间化合物析出以分离铜。
The apparatus (1) enables copper which has dissolved in a lead-free solder comprising tin as the main ingredient to precipitate as an intermetallic compound to separate the copper.
结果表明，添加微量高熔点金属对焊料的熔融特性影响小于2%。
The results indicated that small amount of high melting point metals had less than 2% effect on melting properties of previous lead-free solders.
纯锡焊料凸块和含钴底部凸块金属焊层结合可延长无铅焊接倒装片的寿命。
The cost of wire bonding chips and solder bumped flip chips on boards or on organic substrates is stated.
文章通过试验证明：纯锡焊料凸块和含钴底部凸块金属焊层结合可延长无铅焊接倒装片的寿命。
In the article experiment prove:combination with feine tin-solder-bumps and underbump-metalliza with cobalt be able to longthen life of leadless flip-chip-solderng.
根据本发明，不含树脂的焊膏由一种金属粉末，特别是软焊料和一种凝胶体制成，其中，根据本发明的凝胶体在重熔金属粉末的过 程中，不在金属表面上留下残留物。
The invention relates to a nonresinous solder paste made of a metal powder, especially soft solder, and a gel which leaves no residues on the metal surface when the metal powder is melted down.
某些情况下有必要用一种高熔融温度的强锌焊料来连接金属表面。
In some cases it may be necessary to connect metal surfaces by means of a hard spelter solder which fuses at hight temperature.
某些情况下有必要用一种高熔融温度的强锌焊料来连接金属表面。
In some cases it may be necessary to connect metal surfaces by means of a hard spelter solder which fuses at hight temperature.
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