Electronics Forum: dark tin (Page 1 of 2)

Tin

Electronics Forum | Wed Dec 21 21:24:59 EST 2005 | davef

Primary differences between Matte Tin plating and Bright Tin plating are: * Temperature compatibility ** Matte Tin is compatible with the elevated temperatures of lead-free, reflow processing (250-260C). ** Bright Tin has a tendency to discolor (turn

Propensity of Immersion Tin surface finish for whiskers

Electronics Forum | Fri Dec 09 13:07:15 EST 2005 | Amol Kane

looks like everyone is in dark on this one......and i thought it would be pretty intuitive

Re: Wave solder edge covers

Electronics Forum | Wed Jun 30 11:38:05 EDT 1999 | Brian Conner

| We are wave soldering some fabs with a lot of unmasked trace area along the edges. The trace area is solid copper covered with tin / lead, no masking, no components along the edges, same on solder side and component side (goofy board design). Ins

Re: Wave solder edge covers

Electronics Forum | Wed Jun 30 12:14:40 EDT 1999 | John Thorup

| | We are wave soldering some fabs with a lot of unmasked trace area along the edges. The trace area is solid copper covered with tin / lead, no masking, no components along the edges, same on solder side and component side (goofy board design). I

Re: REFLOWING WHITE TIN PLATED PADS

Electronics Forum | Wed Aug 18 12:35:41 EDT 1999 | Earl Moon

| | WE ARE CURRENTLY HAVING PROBLEMS REFLOWING BOARDS WITH WHITE TIN PLATING. WE ARE NOT GETTING GOOD WETTING ON THE PADS. | | WE HAVE CHECKED THE REFLOW PROFILE AND TRIED DIFFERENT PASTE'S. | | WE THINK THERE MAY BE CONTAMINATION OR OXIDATION ON THE

Re: Wave solder edge covers

Electronics Forum | Fri Jul 02 05:28:13 EDT 1999 | Vinesh gandhi

| | | We are wave soldering some fabs with a lot of unmasked trace area along the edges. The trace area is solid copper covered with tin / lead, no masking, no components along the edges, same on solder side and component side (goofy board design).

Re: Wave solder edge covers

Electronics Forum | Fri Jul 02 09:54:02 EDT 1999 | John Thorup

| | | | We are wave soldering some fabs with a lot of unmasked trace area along the edges. The trace area is solid copper covered with tin / lead, no masking, no components along the edges, same on solder side and component side (goofy board design)

Re: Wave solder edge covers

Electronics Forum | Fri Jul 02 10:06:17 EDT 1999 | John Thorup

| | | | We are wave soldering some fabs with a lot of unmasked trace area along the edges. The trace area is solid copper covered with tin / lead, no masking, no components along the edges, same on solder side and component side (goofy board design)

Re: Solderability on Immersion Gold

Electronics Forum | Thu Mar 02 16:06:32 EST 2000 | eLDON sANDERS

Gentlemen, I too have been atacked by that "soldering to gold" and will add my 2 cents. I also had parts that would pop off the board when the fillet looked perfect. After lots of pain, experimentation, and sleepless nights, I solved it through a

Re: Solderability on Immersion Gold

Electronics Forum | Thu Mar 02 16:06:32 EST 2000 | eLDON sANDERS

Gentlemen, I too have been atacked by that "soldering to gold" and will add my 2 cents. I also had parts that would pop off the board when the fillet looked perfect. After lots of pain, experimentation, and sleepless nights, I solved it through a

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