1 DemoSat Soldering DemoSat Training Boulder, Colorado December 7, 2002
Dec 23, 2015
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DemoSatSoldering
DemoSat Training
Boulder, ColoradoDecember 7, 2002
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SolderingSoldering
Circuit BoardCircuit Board
ResistorResistor
Solder PadsSolder Pads
Side ViewSide View
Top ViewTop View
PCBPCB – printed circuit boards – printed circuit boards
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SolderingSolderingIronIron
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Move soldering iron until tip isMove soldering iron until tip istouching wire & solder padtouching wire & solder pad
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Move solder to touch edge of tip. Move solder to touch edge of tip.
SolderSolder
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Hold until solder melts Hold until solder melts on tip by wireon tip by wire
SolderSolder
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Move solder back to touch wire onlyMove solder back to touch wire only
SolderSolder
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Move solder in to form a Move solder in to form a small pocketsmall pocket
SolderSolder
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Move soldering iron tip up. ThisMove soldering iron tip up. Thiswill drag solder up with it.will drag solder up with it.
SolderSolder
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Look for Look for shinny filletsshinny fillets
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Soldering TipsSoldering Tips
1. Make sure tip is hot
2. Clean & tin tip
3. Keep tip clean by using wet sponge and cloth
4. Heat until the parts are hot enough to melt solder
5. Hold until solder flashes around pad
6. Do not put too much solder on
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Top ViewTop View
Tinned Copper TracesTinned Copper Traces
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Top ViewTop View
SolderedSoldered
Solder bridge shorting two traces - bad, bad, badSolder bridge shorting two traces - bad, bad, badBut, can be fixed by reheating or using solder suckerBut, can be fixed by reheating or using solder sucker