Electronics Forum: alpha and 600smd (Page 2 of 4)

Re: MoonMan and Tetras

Electronics Forum | Tue Apr 27 09:26:43 EDT 1999 | Chrys Shea

Hey MoonMan, Did I catch in one of your fabulous threads that you're using Tetra stencils? I'm anxious to find out how you're liking them. We we're all set up to go to Tetras, then mgt decided to close down our factor

Quick Frame and Dek 265GS

Electronics Forum | Wed May 20 07:13:15 EDT 1998 | smd

Does anyone use the "Quick Frame" with their Dek printer? The threads on the screws keep stripping, so we thought maybe we'd send our frames to a machine shop for heftier screws. Has anyone done this? Is there a better way? Isn't it weird how Alpha k

Re: solder balls and flux

Electronics Forum | Tue Feb 29 21:53:46 EST 2000 | Kelvin Chow

Dear Robert, On PBGA assembly, BGA sphere shrinkage number depends to the following factors, a. BGA Sphere size (before reflow) b. Solder mask opening diameter As far as I know, no formular has been established yet. Most of my friends just collect

Re: solder balls and flux

Electronics Forum | Tue Feb 29 21:53:46 EST 2000 | Kelvin Chow

Dear Robert, On PBGA assembly, BGA sphere shrinkage number depends to the following factors, a. BGA Sphere size (before reflow) b. Solder mask opening diameter As far as I know, no formular has been established yet. Most of my friends just collect

Wave Cassettes and Heat convection

Electronics Forum | Mon Jan 15 09:19:29 EST 2007 | tk380514

We use Alpha EF-2202 low-VOC No-Clean flux Selective wave soldering cassettes Bottom pre-heating wave soldering machine We have one component that will not solder properly: http://www.epcos.com/web/generator/Web/Sections/ProductCatalog/Capacitors/Ul

UPDATE: Quick Frame and Dek 265GS

Electronics Forum | Thu Jun 11 07:28:12 EDT 1998 | smd

Before risking screwing up the alignment of the frame, and upon the advice of several SMTNET users, I decided to see if I could get away W. just changing the screws. I found screws with 2x the pull strength as Alpha's. But they didn't fit!! The Alph

Mixing No-clean and water soluble processes

Electronics Forum | Wed Feb 24 11:28:09 EST 2010 | vleasher

I apologize for being so vague. It is a standard leaded process using ALPHA OM-5100 for the SMT. So would a reduction in wash temp result in less white residue?

Re: Quick Frame and Dek 265GS

Electronics Forum | Wed May 20 19:35:59 EDT 1998 | Rin Or

Does anyone use the "Quick Frame" with their Dek printer? The threads on the screws keep stripping, so we thought maybe we'd send our frames to a machine shop for heftier screws. Has anyone done this? Is there a better way? Isn't it weird h

Re: Quick Frame and Dek 265GS

Electronics Forum | Thu May 28 21:35:12 EDT 1998 | Soeurn Ses Top Line

Does anyone use the "Quick Frame" with their Dek printer? The threads on the screws keep stripping, so we thought maybe we'd send our frames to a machine shop for heftier screws. Has anyone done this? Is there a better way? Isn

Quad ZCR 941 and Lead Free?

Electronics Forum | Mon Jun 20 10:59:18 EDT 2005 | Jason Fullerton

Extra cooling is better (Alpha recommends -3 to -7 degC/sec) for cosmetics. Less chance of s o called 'cooling lines' that look similar to 'cold' tin-lead joints. (Seems a bit steep to me - I worry about the risk of cracking ceramic caps.) Might be


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