Electronics Forum: (4) (Page 436 of 630)

Lead-Free qualification process

Electronics Forum | Mon Aug 22 10:01:17 EDT 2005 | rlackey

The list is not yet completed but I picked few > different component that our supplier are not > able to get in Lead-Free or problem to get > leadtime: Mfg Part : Zener Diodes BZG03 - MFG : > Phillips Mfg Part : PME271Y447M - MFG: > Evox-Rifa Mf

Viscosity Solder Paste for SMT Production

Electronics Forum | Mon Aug 22 09:01:09 EDT 2005 | iwan

Well guys, I just buy a brand new solder paste softener Malcom type SPS2, I've tried with this with this viscosity result. I Use Almit Solder Paste Lead Free LFM-52X 1 min : 264 pas. 2 min : 272 pas. 3 min : 277 pas. I use standard for Viscosity 20

delamination test

Electronics Forum | Tue Aug 23 16:57:29 EDT 2005 | HOSS

50% of seeing it in a single pass. The only time we do this is if we have a board off the line that has delaminated. We'll run a sample of boards through bare to confirm that we have a bad batch. Even if we see no failures on the bare boards, we'l

ERSA versa as alternative to wave soldering in low vol high mix

Electronics Forum | Mon Aug 29 12:52:21 EDT 2005 | pr

We have 2 dual head Versa-flows in line. We use them mainly for doublesided reflow jobs that have connectors and axial parts. I have about 15 jobs currently running on them. The advantage of having 2, is some of our boards have through hole on 1 side

HMP Lead free solder?

Electronics Forum | Wed Aug 31 06:33:04 EDT 2005 | Slaine

if a solder has over 85% lead its classed as RoHS complient because its difficult to achive the same melting point with anything else (298degrees). a few other alloys with a similar range are ; % % 266E266 82.6 Cd 17.4 Zn 271MP 100 Bi 280E2

solder strength

Electronics Forum | Wed Sep 07 10:41:24 EDT 2005 | D.B. Cooper

We've seen the same thing - leads of QFPs not as strong as we'd like them to be. In the past 4 years no problem, this Spring they start failing. Touch a solder iron to it and it solders fine. After crunching some data, we found that both QFPs fail

Servo alarm X2-axis (FIP-3)

Electronics Forum | Wed Oct 12 22:22:31 EDT 2005 | zl3vlf

Hi all! Well installing the servo card has fixed the status LED issue....however there is a new problem :( When a production program is executed at the IP3 (pressing AUTO or START) the machine says 'communicating with the VP' (which is normal). Wh

Etchback

Electronics Forum | Wed Oct 19 07:44:33 EDT 2005 | davef

When a hole is drilled during board fabrication, it can transfer resin from the base material (eg, FR4 core or prepreg) to cover the exposed edge of conductive material in the wall of a drilled hole. This is called resin smear. Etchback is a control

RoHS parts - leaded solder

Electronics Forum | Wed Oct 26 10:40:43 EDT 2005 | patrickbruneel

Jimmy, We've been soldering tin plated components and Ni/Sn (100% Tin) boards with leaded solder in the 80's in hirel and military applications. We never experienced reliability issues with the mechanical or electrical properties of the solder joint

Quad 1000, looking for opinion

Electronics Forum | Tue Nov 01 08:33:40 EST 2005 | bobpan

Dave, Dont mind Ken.....in the past he just hired the wrong ex-quad guy previously that couldnt get his machines working right......anyways.....if you want to keep the same feeders you would need a 2c or 4c....the centering should be a quad-align but


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