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  Soldering Techniques• Torch Soldering (TS)*

• Furnace Soldering (FS)*

• Iron Soldering (INS) (use soldering iron)

• Induction Soldering (IS)*

• Resistance Soldering (RS)*

• Dip Soldering (DS)*

• Infrared Soldering (IRS)*

• Ultrasonic Soldering

• Reo (paste) Soldering (RS)

• !a"e Soldering (!S)

* Si#ilar to the equi"alent $ra%ing technique

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Ultrasonic Soldering

 & transducer su'ects the #olten solder toultrasonic ca"itation

a"itation re#o"es the o+ide ,l#s fro# thesurfaces to 'e oined

Since no o+ides present- then do not need au+ (.Flu+less Soldering/)

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Reo Soldering

Solder pastes are solder0#etalparticles held together '1 u+-'inding- and etting agents

Solder pastes are se#isolid- ha"e high"iscosit1- #aintain shape o"er ti#e

2aste is applied o"er the oint

2roduct is heated in furnace incontrolled

  #anner for proper soldered oint

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!a"e Soldering

& co##on technique for attaching circuit

  co#ponents to 'oards

 Note that solder does not et all surfaces

 & standing la#inar a"e of #olten solder is

  generated '1 a pu#p

 2reheated 3 preu+ed 'oards pass o"er the

  #olten solder a"e

 The solder ets the e+posed #etal surfaces'ut does not adhere to pol1#er surfaces

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 Soldera'ilit1

Copper, Silver & Gold are easy tosolder 

 Iron & Nickel more difcult 

  Aluminum & Stainless Steelsdifcult 

 Steels, Cast Irons, Titanium,

Magnesium,  Ceramics, Graphite can e

soldered y 

  ,rst coating ith a #etallic