An apparatus to dispense a droplet of liquid, such as solder flux, onto the surface of a substrate, such as a printed circuit board, and thereafter flatten the droplet with a burst of pressurized air directed onto the droplet. A dispenser has a dispenser body, which has a liquid supply ...
aSoldering where required shall be done with solder consisting of 755 pure tin and 25% lead. Stainless steel requiring soldering shall be firs thoroughly cleaned of surface oxides and shall then have applied a suitable stainless steel soldering flux. After the soldering has been completed, excess ...
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Selective tinning of soldering lugs on printed circuits - where solder paste contg. flux is applied by screen printingProdn. of dosed amt. of tin in the form of a paste is applied to each individual soldering- lug or -eye, pref. by screen printing, and is then melted. The paste pref....
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Tubular solder production involves preparing a solder material and flux melting agent. A hollow rod is produced by filling the solder material in core filament made of flux melting agent. A continuous or regular stepwise testing of the hollow rod is accomplished with the flux melting agent by ...
A method of improving the solder flux resistance of a silicone gel, and a method of forming a silicone gel with excellent solder flux resistance, both methods using the above composition.doi:EP1852468 A1Masayuki IKENOMiyuki TanakaKazuyasu Sato...
PROBLEM TO BE SOLVED: To provide plated steel that includes a hot-dip Zn-Al plating layer of an Al concentration of 15% or less and is excellent in appearance, corrosion resistance, and machinability.SOLUTION: Plated steel includes a hot-dip plating layer composed of Al of 2-15 mass%, ...
Joining workpieces by solder preforms without using flux - where preform is shielded from oxidn. by thin coating of non:corrodible metal such as goldThe preform is made of a metal cpd. with a low m.pt., and which is oxidisable, so the preform is coated with a metal which neither ...
The flux coating has adequate strength so it can be formed onto and retained on the wire, despite the absence of organic materials. Wire made of solder is mechanically or chemically treated to assist the adhesion of the coating of flux.EIBECK,GUENTHER,DIPL.-ING.DR....