Electronics Forum: coining 80/20 au/sn (Page 1 of 1)

80/20 Au/Sn Solder and Proper FLux Selection

Electronics Forum | Mon Jan 17 17:38:29 EST 2011 | bandjwet

All: I am reaching out to get some suggestions on the right flux to use as well as a recommended cleaning process for soldering a KOVAR RF shield using 80/20 Au/Sn solder to a ceramic hybrid. The recommended profile is 4-5 min at 280C and at least

lid soldering problems (CQFP, Au/Sn solder)

Electronics Forum | Thu Sep 17 07:06:15 EDT 1998 | joakim fagerlund

We have problems with voids when we solder lids to ceramic flatpackages. The sealring of the package is gold(100 micro inches or 2.5 micro meters)with a underlayer of Nickel The solder is attached to the lid (preform) and the solder material is Au/S

Lead Free solder

Electronics Forum | Sat Nov 21 12:28:00 EST 2009 | flipit

There is evidence of lead being used in soldering 5000 years ago in Mesopotamia. Not a big issue for most people doing SMT but the poster should also understand why percent metal is adjusted for different solder paste alloys. You print by volume b

Re: lid soldering problems (CQFP, Au/Sn solder)

Electronics Forum | Thu Sep 17 10:45:27 EDT 1998 | Justin Medernach

| We have problems with voids when we solder lids to | ceramic flatpackages. | The sealring of the package is gold(100 micro inches or 2.5 micro meters)with a underlayer of Nickel | The solder is attached to the lid (preform) and the solder material

Re: lid soldering problems (CQFP, Au/Sn solder)

Electronics Forum | Tue Sep 22 10:52:31 EDT 1998 | Wayne Bracy

| We have problems with voids when we solder lids to | ceramic flatpackages. | The sealring of the package is gold(100 micro inches or 2.5 micro meters)with a underlayer of Nickel | The solder is attached to the lid (preform) and the solder material

Re: lid soldering problems (CQFP, Au/Sn solder)

Electronics Forum | Fri Sep 18 08:49:12 EDT 1998 | Earl Moon

| | We have problems with voids when we solder lids to | | ceramic flatpackages. | | The sealring of the package is gold(100 micro inches or 2.5 micro meters)with a underlayer of Nickel | | The solder is attached to the lid (preform) and the solder

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